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Transparent Armor Cost Benefit Study. Automatic Ammunition Identification Technology Project. The project objective is to evaluate new two-dimensional bar code symbologies for potential use in ammunition logistics systems and automated reloading equipment. These new symbologies are a significant improvement over typical linear bar codes since machine-readable alphanumeric messages up to characters long are achievable. The results will be increased throughout capability, better inventory control, reduction of human error, lower operation and support costs, and a more timely re-supply of various weapon systems.

Armor Plate Ballistic Testing. However, it is one of the most important factors involved, and when the type of steel , its soundness and its Such a comparison can be made only by examining Pierced Lasso Proteins. Entanglement and knots are naturally occurring, where, in the microscopic world, knots in DNA and homopolymers are well characterized.

The most complex knots are observed in proteins which are harder to investigate, as proteins are heteropolymers composed of a combination of 20 different amino acids with different individual biophysical properties. As new-knotted topologies and new proteins containing knots continue to be discovered and characterized, the investigation of knots in proteins has gained intense interest.

Efforts to study the fully untied and unfolded chain indicate that the knot is highly stable, remaining intact in the unfolded state orders of magnitude longer than first anticipated. Our discovery of a new class of knotted proteins, the Pierced Lassos PL loop topology, simplifies the knotting approach. While PLs are not easily recognizable by the naked eye, they have now been identified in many proteins in the PDB through the use of computation tools.

Many of these PL topologies are secreted proteins, extracellular proteins, as well as, redox sensors, enzymes and metal and co-factor binding proteins; all of which provide a favorable environment for the formation of the disulphide bridge. In the PL. Armor in Vietnam. French contingents were present in Tndo Chinh P-w early as , but it was not until Light Armor Plate Development. Only oarburized specimens were suboted to the double- quenching treatment see table IV. The purpose of this Waq to.

The Need to Mobilize Armor in Afghanistan. Estes, Marines Under Armored garment for protecting. A lightweight, armored protective garment for protecting an arm or leg from blast superheated gases, blast overpressure shock, shrapnel, and spall from a explosive device, such as a Rocket Propelled Grenade RPG or a roadside Improvised Explosive Device IED. The garment has a ballistic sleeve made of a ballistic fabric, such as an aramid fiber e.

Additionally, the garment has two or more rigid armor inserts that cover the upper and lower arm and protect against high-velocity projectiles, shrapnel and spall. Glass matrix armor. An armor system which utilizes glass. A plurality of constraint cells are mounted on a surface of a substrate, which is metal armor plate or a similar tough material, such that the cells almost completely cover the surface of the substrate.

Each constraint cell has a projectile-receiving wall parallel to the substrate surface and has sides which are perpendicular to and surround the perimeter of the receiving wall. The cells are mounted such that, in one embodiment, the substrate surface serves as a sixth side or closure for each cell. Each cell has inside of it a plate, termed the front plate, which is parallel to and in contact with substantially all of the inside surface of the receiving wall.

The balance of each cell is completely filled with a projectile-abrading material consisting of glass and a ceramic material and, in certain embodiments, a polymeric material. The glass may be in monolithic form or particles of ceramic may be dispersed in a glass matrix. The ceramic material may be in monolithic form or may be in the form of particles dispersed in glass or dispersed in said polymer.

Buckling in armored droplets. The buckling mechanism in droplets stabilized by solid particles armored droplets is tackled at a mesoscopic level using dissipative particle dynamics simulations. We consider one spherical water droplet in a decane solvent coated with nanoparticle monolayers of two different types: Janus particles whose surface shows two regions with different wetting properties and homogeneous.

The chosen particles yield comparable initial three-phase contact angles, selected to maximize the adsorption energy at the interface. We study the interplay between the evolution of droplet shape, layering of the particles, and their distribution at the interface when the volume of the droplets is reduced. We show that Janus particles affect strongly the shape of the droplet with the formation of a crater-like depression. This evolution is actively controlled by a close-packed particle monolayer at the curved interface.

We discuss how these buckled armored droplets might be of relevance in various applications including potential drug delivery systems and biomimetic design of functional surfaces. Lacking whitewash, they often resorted to commandeering white bed linen to drape over their vehicles.

Both techniques proved Is chronic nipple piercing associated with hyperprolactinemia? It is unclear if chronic nipple stimulation from a piercing alone can cause sustained elevations of serum prolactin. Nipple piercing is emerging as a more mainstream societal form of body art, and the answer to this clinical question would potentially alter patient management. Our aim was to assess serum prolactin levels in subjects with nipple piercing. Exclusion criteria included: women who are pregnant, lactating or piercings.

The median interval from nipple piercing to blood draw was 4. None of the subjects had hyperprolactinemia. Median range prolactin levels for men and women were 5. Our results suggest that in the absence of any concomitant infection, chronic nipple piercing is not associated with hyperprolactinemia. Research focuses on the Indian River Lagoon and the offshore waters of.

Electroencephalogram, circulation, and lung function after high-velocity behind armor blunt trauma. Behind armor blunt trauma BABT is defined as the nonpenetrating injury resulting from a ballistic impact on personal body armor.

The protective vest may impede the projectile, but some of the kinetic energy is transferred to the body, causing internal injuries and occasionally death. Eight anesthetized pigs, wearing body armor including a ceramic plate on the right side of their thorax, were shot with a 7. EEG and several physiologic parameters were thereafter monitored during a 2-hour period after the shot. All animals survived during the experimental period. Five of the exposed animals showed a temporary effect on EEG.

Furthermore, exposed animals displayed decreased cardiac capacity and an impaired oxygenation of the blood. Postmortem examination revealed subcutaneous hematomas and crush injuries to the right lung. The results in our animal model indicate that high-velocity BABT induce circulatory and respiratory dysfunction, and in some cases even transient cerebral functional disturbances.

Earlobe piercing is a common office room procedure done by a plastic surgeon. Various methods of ear piercing have been described. In this article, we describe a novel method of laser ear piercing using the diode laser. An year-old female patient underwent an ear piercing using a diode laser with a power of 2.

The diode laser was fast, safe, easy to use and highly effective way of ear piercing. The advantages we noticed while using the diode laser over conventional methods were more precision, minimal trauma with less chances of hypertrophy and keloids, no bleeding with coagulation effect of laser, less time taken compared to conventional method and less chance of infection due to thermal heat effect of laser.

No person shall transport or Armor and Anesthesia. For many civilians, the high-tech weapons, armor , and military medicine with which U. But, as this article explores, soldiers themselves just as often associate the life-sustaining technology of modern warfare with feelings that range from a pragmatic ambivalence about exposure to harm all the way to profoundly unsettling vulnerability.

This article, based on fieldwork among soldiers and military families at the U. I argue that modern military discipline and technology conspire to cultivate soldiers as highly durable, capable, unfeeling, interchangeable bodies, or what might be called, after Susan Buck-Morss , anesthetic subjects. But for soldiers themselves, their training, combat environment, protective gear, and weapons are a rich font of both emotional and bodily feeling that exists in complex tension with the also deeply felt military imperative to carry on in the face of extreme discomfort and danger.

Advantages from Mixed Storage of Ammunition. Below is listed a step-by-step procedure for determining benefits to be derived. Step 1. Body piercing medical concerns with cutting-edge fashion. To review the current information on medical complications, psychological implications, and legislative issues related to body piercing , a largely unregulated industry in the United States.

We also conducted an Internet search for "body piercing " on the World Wide Web. In this manuscript, we review the available body piercing literature. We conclude that body piercing is an increasingly common practice in the United States, that this practice carries substantial risk of morbidity, and that most body piercing in the United States is being performed by unlicensed, unregulated individuals. Primary care physicians are seeing growing numbers of patients with body pierces.

Practitioners must be able to recognize, treat, and counsel patients on body piercing complications and be alert to associated psychological conditions in patients who undergo body piercing. Background: Health concerns of body piercing include infection, scarring, allergic reactions, pain, and disease.

Current gaps in the research include students' perceived piercing risks and safe piercing practices. Purpose: The purpose of this study was to examine university students' involvement in body piercing , risk consideration and adherence…. Transient sheath overvoltages in armored power cables. This paper is concerned with methods of limiting the build-up of transient voltages between sheath and armor in long armored power cables. Calculations by a frequency dependent cable model demonstrate that this voltage can be efficiently limited to an acceptable level by introducing sheath- armor bondings at regular intervals, or by using a semiconductive sheath- armor interlayer.

The paper investigates the required minimum length between bondings, as well as the required conductivity of the sheath- armor interlayer if the use of bondings is to be avoided. The ins and outs of body piercing. The need to prepare these patients for surgery while promoting safety, preserving body image, and respecting cultural values has gone beyond the routine practice of jewelry removal. It was used then, as it is now, for many purposes, including personal expression, rite of passage, and fashion trends.

This article provides perioperative nurses with the proper tools to deliver culturally sensitive care to patients with body piercings. Broderick , L. Rip-rap stability scale effects. Technical Paper 3. Vicksburg, MS: U. Army Engineer Waterways. Oblique view of rear and south sides of ammunition storage Oblique view of rear and south sides of ammunition storage buildings and , view towards the north without scale - Fort McClellan Ammunition Storage Area, Building No.

Oblique view of rear and south sides of ammunition storage buildings and , view towards the north with scale - Fort McClellan Ammunition Storage Area, Building No. Oblique view of front east and south sides of ammunition Oblique view of front east and south sides of ammunition storage buildings and , view towards the northwest without scale - Fort McClellan Ammunition Storage Area, Building No. For additional requirements relating to imported firearms, see Customs regulations at Any part defined as a machine gun The Director may authorize other means of identification of parts defined as machine guns other ATF, 60 FR High power microwave hazard facing smart ammunitions.

The battle field of the present and even more the one in future will be characterized by the use of weapon systems with a high degree of electronics, computers, and sensors, designed and built to keep not only the man out of the loop. But the higher the technology used for smart weapon systems, the more these systems are endangered by numerous sources of hazard.

One of those sources is the threat caused by induced or natural electromagnetic fields. These threat factors can be generated by natural, civil and military environment. In principle there are two main applications which must be considered in military applications: Firstly, weapon systems, that is, high power microwave sources as well as intelligent electromagnetic radiation systems to defeat ammunition on the battle field and secondly, the hardening of the own smart ammunition systems and missiles against the interference sources created by the different types of electromagnetic fields.

This report will discuss the possible electromagnetic coupling effects on smart ammunition and missiles and their typical interference caused on the electronics and sensor level. Real time 6-DOF simulations show the flight mission which may be compromised depending on the coupled electromagnetic fields. The German MOD has established a research program where smart ammunitions with different seeker systems are investigated in respect of the coupling effects on smart ammunition caused by high power microwaves.

This program considers all available resources and know how in Germany. The systems are investigated by analytical, numerical, and experimental methods with passive and activated missiles. Margetan, Frank J. Some prototype armor panels are fabricated from several layers of dissimilar material bonded together. These may include ceramics, graphite composites, fiberglass composites and rubber. The ultrasonic properties of these layers influence inspections for armor defects. In this paper we describe measurements of ultrasonic velocity, attenuation, sound beam distortion and signal fluctuations for the individual layers comprising one armor prototype.

In our case an effective inspection frequency near 1. The utility of this approach is demonstrated using armor panels containing artificial disbonds at selected interfaces. Ammunition Island, Port Valdez, Alaska. Ammunition in this group contains fillers which are spontaneously flammable when exposed to the atmosphere.

Examples are WP Group J. Ammunition containing both explosives and flammable. The identification of two unusual types of homemade ammunition. Illegal homemade ammunition is commonly used by criminals to commit crimes in Taiwan. Two unusual types of homemade ammunition that most closely resembling genuine ammunition are studied here.

Their genuine counterparts are studied as the control samples for the purpose of comparison. Unfired ammunition is disassembled, and the morphological, dimensional, and compositional features of the bullet and cartridge case are examined.

Statistical tests are employed to distinguish the dimensional differences between homemade and genuine ammunitions. Manufacturing marks on head stamps of the cartridge case are carefully examined. Compositional features of propellant powders, primer mixtures, and gunshot residues are also analyzed.

The results reveal that the morphological, dimensional, and compositional features of major parts of the ammunition can be employed to differentiate homemade cartridges from genuine ones. Among these features, tool marks on the head stamps left by the bunter can be used to trace the origin of ammunition. Rules of Appointment at Franklin Pierce College. This memorandum sets forth the regulations and procedures affecting appointments to the instructional faculty of Franklin Pierce College.

Part A: General Provisions, includes information on faculty ranks, the procedure of appointment, the regular review, and normal retirement. Part B deals with the terms and conditions of appointment, including…. As a result, ADCs did not consistently include component items that make up the ammunition , and Requests for Resupply. Weapon Systems. Body piercing : complications and prevention of health risks. Body and earlobe piercing are common practices in the USA today.

Minor complications including infection and bleeding occur frequently and, although rare, major complications have been reported. Healthcare professionals should be cognizant of the medical consequences of body piercing. Complications vary depending on the body- piercing site, materials used, experience of the practitioner, hygiene regimens, and aftercare by the recipient.

Localized infections are common. Systemic infections such as viral hepatitis and toxic shock syndrome and distant infections such as endocarditis and brain abscesses have been reported. Other general complications include allergic contact dermatitis e. Site-specific complications have been reported. Oral piercings may lead to difficulty speaking and eating, excessive salivation, and dental problems.

Oral and nasal piercings may be aspirated or become embedded, requiring surgical removal. Piercing tracts in the ear, nipple, and navel are prone to tearing. Galactorrhea may be caused by stimulation from a nipple piercing. Genital piercings may lead to infertility secondary to infection, and obstruction of the urethra secondary to scar formation. In men, priapism and fistula formation may occur. Women who are pregnant or breastfeeding and have a piercing or are considering obtaining one need to be aware of the rare complications that may affect them or their child.

Though not a 'complication' per se, many studies have reported body piercing as a marker for high-risk behavior, psychopathologic symptoms, and anti-social personality traits. When it comes to piercing complications, prevention is the key. Body piercers should take a complete medical and social history to identify conditions that may predispose an individual to complications, and candidates should choose a.

Kenneth W. Estes, Kenneth W. Annapolis, Maryland: Naval. Heavy Wrought The results of the investi- gation indicated the ESE , Environmental Science and Engineering, Inc. Production Board under the chairmanship of merchandising executive, Robert Nelson, and the apppointment of William Knudsen, President of General Motors, as William K. Barbara W. Tuchman, The Guns of Hearings before the Preparedenss Subcommittee No. William O. Lighter and less expensive polymer composites reinforced with natural fibers have been investigated as possible components of a multilayered armor system MAS for personal protection against high-velocity ammunition.

Thus, the objective of this work is to evaluate the ballistic performance of epoxy composites reinforced with 30 vol. The results using high-velocity 7. Armored spring-core superconducting cable and method of construction. An armored spring-core superconducting cable 12 is provided.

The armored spring-core superconducting cable 12 may include a spring-core 20 , at least one superconducting strand 24 wound onto the spring-core 20 , and an armored shell 22 that encases the superconducting strands The spring-core 20 is generally a perforated tube that allows purge gases and cryogenic liquids to be circulated through the armored superconducting cable 12 , as well as managing the internal stresses within the armored spring-core superconducting cable The armored shell 22 manages the external stresses of the armored spring-core superconducting cable 12 to protect the fragile superconducting strands The armored spring-core superconducting cable 12 may also include a conductive jacket 34 formed outwardly of the armored shell Injuries caused by fragmenting rifle ammunition.

Although penetrating injuries are encountered on a regular basis in high volume trauma centres, most civilian trauma teams will be unfamiliar with the treatment of patients with injuries caused by fragmenting ammunition. The terrorist attacks in Norway on July 22, included a shooting spree causing 69 deaths and 60 injured.

One of the weapons used was a semi-automatic rifle, calibre 5. The aim of the present study was to describe the characteristic injury patterns and lessons learned from the treatment of multiple patients admitted at the regional trauma centre with injuries from this type of ammunition.

We undertook an observational study of patients admitted at Oslo University Hospital, Ulleval after the shooting spree at Utoya on July 22, Data on demographics, injuries, injury severity, surgical procedures and outcome were collected prospectively. Of the 21 patients admitted after the shooting incident, 18 were identified with injuries caused by fragmenting ammunition and included in the study. They had been hit by a total of 38 projectiles, of which 32 were fragmenting bullets.

Of the seven patients who sustained injuries to the head, neck and face, one patient required a craniotomy and one patient had a non-survivable head injury. Of the 11 patients with torso injuries, six of the eight patients with chest injuries had intra-thoracic injuries that could be treated with chest tubes only.

One patient had cardiac tamponade, requiring thoracotomy. Six patients underwent laparotomy, four of them more than one. Of the 10 patients with extremity injuries, two had nerve injuries and six patients had fractures. Five amputations were performed within the first nine days. A total of operations were required within the first four weeks. The majority of these were repeated soft tissue debridements due to progressive necrosis. NDE of hybrid armor structures using acoustography.

The US Army is investigating the use of composite materials to deliver lightweight and more effective armor protection systems to soldiers and other army assets. However, widespread use of such hybrid armor will require a reliable but fast NDE methodology to ensure integrity of these components during manufacturing and while in service. Traditional ultrasonic inspection of such hybrid armor structures may prove to be very effective, but point-by-point ultrasonic scanning is inherently time-consuming and manufacturing slowdowns could develop in high-volume production of such armor systems.

Acoustography differs from conventional ultrasonic testing in that test objects are inspected in full field, analogously to real time x-ray imaging. The approach uses a novel, super high resolution large area acousto-optic AO sensor, which allows image formation through simple ultrasound shadow casting, analogous to x-ray image formation.

This NDE approach offers significant inspection speed advantage over conventional point-by-point ultrasonic scanning procedures and is well-suited for high volume production. We will report initial results on a number of hybrid armor plate specimens employing composite materials that are being investigated by the US Army.

Composite structural armor for combat vehicle applications. Several projects that have demonstrated the advantages of using thick composite armor technology for structural applications in armored combat vehicles are discussed. Another was a demonstration composite turret that offered a weight reduction of The advantages of this composite armor compared to metallic armors used for combat vehicle hull and turret applications are reduced weight at equal ballistic protection; reduced back armor spall; excellent corrosion resistance; reduced production costs by parts consolidation; and inherent thermal and acoustic insulative properties.

Based on the encouraging results of these past programs, the Demonstration Composite Hull Program was started in September To demonstrate this composite armor technology, the Army's newest infantry fighting vehicle, the Bradley Fighting Vehicle BFV , was selected as a model. A composite infantry fighting vehicle, designated the CIFV for this program, has been designed and fabricated and is currently undergoing a mile field endurance test.

Current body armor. Obituary: A. Keith Pierce , - Keith Pierce was a solar astronomer who will be remembered for bringing the physics lab to the telescope and for his design of the world's largest solar telescope, the 1. Born in Lincoln, Nebraska, he died of cancer in Tucson on 11 March He was eighty-six. His father, Tracy Pierce , had gone to graduate school in Berkeley, California, with a major in mathematics and a minor in astronomy.

Fellow students of his class included Seth Nicholson and Donald Shane, people who were later to influence young Keith's life. Tracy Pierce received an appointment as an instructor, later Professor, of mathematics at the University of Nebraska in Lincoln. In his spare time dad Tracy became something of a telescope nut, following "the bible" —Albert Ingall's A.

M Amateur Telescope Making. His enthusiasm rubbed off on his son. Seth Nicholson, who became a famous Mt. After two years at Lincoln, followed by two more at Berkeley, Keith had earned his bachelor's degree in astronomy. Shane became personnel director at the E. Lawrence Radiation Lab and arranged for Keith to work there at the cyclotron.

A crash program to produce U from U was under way. At a crucial point in the cyclotron turned out the sought-after material. Much celebration ensued among the Rad Lab leaders. During this gala, Keith was on the night-shift and pretty much on his own. It was then that he turned a valve to the right, when left was called for, and the entire system went down. Shortly thereafter he was sent to Oak Ridge for the duration of the war. He cannot have been thought of badly, however, because he was invited to the Trinity test in New Mexico.

He didn't go because of the pending birth of his first son, John. The year found Keith back in Berkeley working on his Ph. The overall objective of the FAAPS Project is the development and demonstration of an improved process to accomplish these goals. The concept evaluation consists of 1 identifying assumptions and requirements, 2 documenting the process flow, 3 identifying and evaluating technologies available to accomplish the necessary ammunition processing and storage operations, and 4 presenting alternative concepts with associated costs, processing rates, and manpower requirements for accomplishing the operation.

This study provides insight into the achievability of the desired objectives. Pursuant to 10 U. Previously, in those segments of America where "proper" behavior was valued, tattoos and body piercings were examples of what Goffman identified as "stigma"--they spoiled one's identity. Today, tattoos and piercings have become more mainstream. This study reports the survey of undergraduates at a large southeastern university. PM SEQ offered no. No person shall transfer One of the challenging objectives in studying the Mannesmann piercing process is to predict the fracture initiation, known as "Mannesmann effect", in order to design and optimize the working parameters of the piercing process.

The objective of the paper is to investigate the workability of a tube steel tested in the same conditions of the Mannesman piercing process. The stress and strain states as well as temperature fields arising during the process are identified through numerical simulations. The hot tensile test is chosen for fundamental studies on fracture initiation, as a tensile state of stress in the centre of the billet in the first stages of the piercing process before the plug arrival seems to be one of the main causes of the crack initiation.

The material constants of energy-based models implemented in FEM codes are calculated and numerical results are compared with non-plug piercing tests carried out on the industrial plant. The latest model, the M2A4 , weighed 12 tons and carried a 37mm main gun mounted in a single turret.

It also Second, armor was concentrated in sufficient mass at the point of the breakthrough. This enabled the armored units to blast their. Automated ammunition logistics for the Crusader program. A self-propelled howitzer and a resupply vehicle constitute the Crusader system, which will be designed for improved mobility, increased firepower, and greater survivability than current generation vehicles.

The resupply vehicle is intended to sustain the howitzer with ammunition and fuel and will significantly increase capabilities over those of current resupply vehicles. Ammunition is currently processed and transferred almost entirely by hand. Each of the critical technologies was then developed separately and demonstrated on discrete test platforms.

An integrated technology demonstrator, incorporating each of the individual technology components to realistically simulate performance of the selected vehicle concept, was developed and successfully demonstrated for the Army. Thermal modeling of W rod armor. Sandia has developed and tested mockups armored with W rods over the last decade and pioneered the initial development of W rod armor for International Thermonuclear Experimental Reactor ITER in the 's. We have also developed 2D and 3D thermal and stress models of W rod- armored plasma facing components PFCs and test mockups and are applying the models to both short pulses, i.

A new type of shotgun ammunition produces unique wound characteristics. On impact, the core is released to distribute over a small area, thereby disintegrating on impact to reduce the likelihood of exit or collateral damage on missed shots. After a brief review of shotgun slug ballistics and wound characteristics and a discussion of the mechanism of the Polyshok IRP, we report the first death in the United States from this ammunition.

Findings included a single entrance wound with plastic ammunition components and small lead particles recovered from the body, the combination of which normally would suggest a close-range shooting with birdshot. However, the characteristics of this ammunition create different patterns than are found with slugs or shot, so that a medical examiner unfamiliar with the Polyshok IRP could draw inaccurate conclusions about ammunition and range of fire.

Because the single projectile fired from this ammunition is composed of both plastic and lead, plastic components are likely to be found within the wound at any range of fire, unlike traditional shot or slug ammunition. Also, the small size of lead particles found spread through the wound cavity would ordinarily suggest a small-size shot, whereas the external appearance of the wound a single entrance with no dispersion of shot and the pattern of tissue destruction are more consistent with the patterns of injury associated with shotgun slugs.

Hunting with lead ammunition is not sustainable: European perspectives. Much evidence demonstrates the adverse effects of lead ammunition on wildlife, their habitats and human health, and confirms that the use of such ammunition has no place within sustainable hunting.

We identify the provisions that define sustainable hunting according to European law and international treaties, together with their guidance documents. We accept the substantial evidence for lead's actual and potential effects on wildlife, habitats and health as persuasive and assess how these effects relate to stated provisions for sustainability and hunting. We evaluate how continued use of lead ammunition negatively affects international efforts to halt loss of biodiversity, sustain wildlife populations and conserve their habitats.

We highlight the indiscriminate and avoidable health and welfare impacts for large numbers of exposed wild animals as ethically unsustainable. In societal terms, continued use of lead ammunition undermines public perceptions of hunting. Changing from lead ammunition to non-toxic alternatives will bring significant nature conservation and human health gains, and from the hunter's perspective will enhance societal acceptance of hunting.

Change will create opportunities for improved constructive dialogue between hunting stakeholders and others engaged with enhancing biodiversity and nature conservation objectives. Resonance and streaming of armored microbubbles. Under acoustic actuation, such bubble produces net streaming flows. In order to theoretically model the induced flow, we first extend classical models of free bubbles to describe the streaming flow around a spherical body for any known axisymmetric shape oscillation.

A potential flow model is then employed to determine the resonance modes of the armored microbubble. We finally use a more detailed viscous model to calculate the surface shape oscillations at the experimental driving frequency, and from this we predict the generated streaming flows. This report discusses the Army reporting of conventional ammunition , which is a material part of the Army operating materials and supplies. In general, conventional ammunition consists of any item containing explosives.

The overall objective of our audit was to obtain. We examined the potential of these light armor designs closely, but did not compare them with the MBT designs. The main problem in Three-man remote turret des :6n: side view Three-man remote turret Section V describes some light armored vehicle de - signs, including two.

October 30, Project No. DFJ — The audit was performed in support of. Herbivore exploits chink in armor of host. Mites in the genus Raoiella Hirst are obligate plant parasites that feed via stylet-like mouthparts adapted to pierce plant tissues. A species of particular interest in this genus, the red palm mite, R. Transparent armor is a material or system of materials designed to be optically transparent, yet protect from fragmentation or ballistic impacts.

Although engineered to defeat specific threats, or a range of threats, there are general requirements common to all of these designs. The primary requirement for a transparent armor system is to not only defeat the designated threat but also provide a multi-hit capability with minimized distortion of surrounding areas. Ground platforms have several parameters that must be optimized, such as weight, space efficiency, and cost versus performance.

An axiom arising from those effects is a greater amount of allowable deflection i. Therefore, the interpretation and management of those tensile-failure-stress dependencies shall ultimately improve ballistic resistance and its predictability of transparent armor. Each of those three dependencies size, side, and location in a soda-lime silicate glass is described.

Chapter 44, and Part of View captioned General view of Shipbuilding Dock with Ammunition Analysis of behind the armor ballistic trauma. The impact response of body armor composed of a ceramic plate with an ultrahigh molecular weight polyethylene UHMWPE fiber-reinforced composite and layers of UHMWPE fibers shielding a block of ballistic gelatin has been experimentally and numerically analyzed.

It is a surrogate model for studying injuries to human torso caused by a bullet striking body protection armor placed on a person. Photographs taken with a high speed camera are used to determine deformations of the armor and the gelatin. The Johnson-Holmquist material model has been used to simulate deformations and failure of the ceramic. The gelatin is modeled as a strain-rate dependent hyperelastic material.

Values of material parameters are taken from the open literature. The computed evolution of the temporary cavity formed in the gelatin is found to qualitatively agree with that seen in experiments. Furthermore, the computed time histories of the average pressure at four points in the gelatin agree with the corresponding experimentally measured ones. The maximum pressure at a point and the depth of the temporary cavity formed in the gelatin can be taken as measures of the severity of the bodily injury caused by the impact; e.

Buildings and are shaded and located left of center near top of map. Breast abscess after nipple piercing : sonographic findings with clinical correlation. The purpose of this series was to review the spectrum of clinical and sonographic features associated with infection after nipple piercing. Between and , 6 patients presented to our breast center with a breast abscess after nipple piercing. A retrospective analysis of the imaging findings was performed with clinical and pathologic correlation.

Patients with breast infections after nipple piercing tend to be young, and the timing since piercing varies from 2 weeks to 17 months. Sonography showed a complex or hypoechoic mass in 5 of 6 patients. Treatment of breast abscesses included surgical incision and drainage, percutaneous drainage, and antibiotic therapy. Surgical evacuation is commonly performed; however, sonographically guided aspiration may be an appropriate management strategy.

Should the U. Army Adopt New 5. The 5. External ballistics refers to all events concerning a projectile after it leaves the launcher, or barrel , and before achieves. Constrained ceramic-filled polymer armor. An armor system is disclosed in which a plurality of constraint cells are mounted on a surface of a substrate, which is metal armor plate or a similar tough material, such that the cells almost completely cover the surface of the substrate.

The balance of each cell is completely filled with a projectile-abrading material, which is a ceramic material in particulate form dispersed in a polymeric matrix. An armor system in which a plurality of constraint cells are mounted on a surface of a substrate, which is metal armor plate or a similar tough material, such that the cells almost completely cover the surface of the substrate.

CDtargeted chimeric antigen receptor CAR T cells are currently being tested in the clinic with very promising outcomes. However, limitations to CAR T cell therapy exist. These include lack of efficacy against some tumors, specific targeting of tumor cells without affecting normal tissue and retaining activity within the suppressive tumor microenvironment. Studies investigating the expression of cytokine transgenes, combination therapy with small molecule inhibitors or monoclonal antibodies are aimed at improving the anti-tumor efficacy of CAR T cell therapy.

Other strategies aimed at improving CAR T cell therapy include utilizing dual CARs and chemokine receptors to more specifically target tumor cells. Whereas promising clinical trials are in progress, preclinical development is focused on optimizing CAR design, to generate " armored CAR T cells," which are protected from the inhibitory tumor microenvironment. Studies investigating the expression of cytokine transgenes, combination therapy with small molecule inhibitors, or monoclonal antibodies, are aimed at improving the antitumor efficacy of CAR T cell therapy.

Other strategies aimed at improving CAR T cell therapy include using dual CARs and chemokine receptors to more specifically target tumor cells. This review will describe the current clinical data and some novel armored CAR T cell approaches for improving antitumor efficacy therapy. Preliminary design of Viking Armored Gun System. In the spirit of our earlier AFV designs, our primary concern is to provide the AGS with sufficient firepower and survivability while utilizing off-the-shelf'' sub-systems and components in order to reduce developmental time and acquisition cost.

Ballistic Resistance of Body Armor. NIJ Standard Templeton1, Tara J The study had two primary Relevance of Armor in Counterinsurgency Operations. The report identified that U. This operation occurred in the wake of sporadic small arms contact during the movement of the Relationships between dismounted infantry and armor who had trained together would have solved this issue. Composite treatment of ceramic tile armor. An improved ceramic tile armor has a core of boron nitride and a polymer matrix composite PMC facing of carbon fibers fused directly to the impact face of the tile.

A polyethylene fiber composite backing and spall cover are preferred. The carbon fiber layers are cured directly onto the tile, not adhered using a separate adhesive so that they are integral with the tile, not a separate layer. AP armor Piercing Bullets at O deg. Jolmson- E Armored instrumentation cable for geothermal well logging. Multiconductor armored well-logging cable is used extensively by the oil and natural gas industry to lower various instruments used to measure the geological and geophysical parameters into deep wellbores.

Advanced technology in oil-well drilling makes it possible to achieve borehole depths of 9 km 30, ft. The higher temperatures in these deeper boreholes demand advancements in the design and manufacturing of wireline cable and in the electrical insulating and armoring materials used as integral components. Teflon materials presently used in wireline cables, however, are not capable of continuous operation at the anticipated higher temperatures.

Fort McClellan, ammunition storage building Planar view of rear Reducing impacts from ammunitions : A comparative life-cycle assessment of four types of 9mm ammunitions. Increase of environmental awareness of the population has pressured research activities in the defence area to cover environment and toxicity issues, where have been considered appropriate manners to reduce the environmental and toxicological impacts of ammunition.

One of the adopted approaches to achieve such goal involves the replacement of lead and other heavy metals by alternative materials. However, the consequences of using alternative materials in ammunitions manufacturing are uncertain for the other life-cycle phases and trade-offs can occur. The present paper describes the potential benefits from the replacement of lead in the primer and in the projectile of a 9mm calibre ammunition. For that purpose, it is assessed and compared the environmental and toxicological impacts associated with the life-cycle of four ammunitions : combination of two types of projectiles steel jacket and lead core; copper and nylon composite with two types of primers lead primer; non-lead primer.

In addition, some potential improvements for the environmental performance of small calibre ammunition are also presented. Results showed that the conclusion drawn for environmental and toxicological impact categories are distinct. In fact, ammunition production phase presents higher impacts for the environmental categories, whilst the operation phase has a higher impact to the toxicity categories. The substitution of lead in the primer and in the projectile provides a suitable alternative from a toxicology perspective; however, the composite projectile still presents some environmental concerns.

The conclusions drawn are important for the procurement and design of environmental responsible ammunitions , in order to avoid or decrease the impacts for their manufacture and the effects on human health e. The use of tattoos and piercings has increased, especially among adolescents in the last decades. To evaluate the prevalence of these behaviors in adolescents and their association with risk behaviors such as alcohol, tobacco and illicit drug use and sexual promiscuity.

An anonymous and confidential survey about tattooing and piercings was applied to randomly selected high school teenagers, attending municipal, private-subsidized and private schools, in four sectors of Santiago north-east, south-east, north-west, south-west.

The prevalence of tattoos was 1. The figure for piercings was A higher prevalence of tattooing and piercings was observed in groups with a history of psychiatric disorders, criminal records, alcohol, tobacco and illicit drug consumption and initiation of sexual activity p piercings are indicators of adolescent risk behaviors.

As prescribed in Customs and Border Protection shall Symptoms of musculoskeletal disorders among ammunition factory workers in Turkey. The aim of this study was to assess the prevalence of symptoms of work-related musculoskeletal disorders MSDs and to determine the risk factors among ammunition factory workers in Turkey.

This cross-sectional study was performed on ammunition factory workers. Potential risk factors were investigated with a questionnaire and multivariate logistic regression analysis was performed. During the previous year, It was found that both work-related conditions and personal and environmental factors are important for the development of occupational MSDs.

A life cycle assessment of destruction of ammunition. The Swedish Armed Forces have large stocks of ammunition that were produced at a time when decommissioning was not considered. This ammunition will eventually become obsolete and must be destroyed, preferably with minimal impact on the environment and in a safe way for personnel.

Data used are for the specific processes and from established LCA databases. Recycling the materials in the ammunition and minimising the spread of airborne pollutants during incineration were found to be the most important factors affecting the life cycle environmental performance of the compared destruction methods.

Open detonation with or without metal recycling proved to be the overall worst alternative from a life cycle perspective. The results for the static kiln and combination treatment indicate that the kind of ammunition and location of the destruction plant might determine the choice of method, since the environmental impacts from these methods are of little difference in the case of this specific grenade.

Different methods for destruction of ammunition have previously been discussed from a risk and safety perspective. This is however to our knowledge the first study looking specifically on environmentally aspect in a life cycle perspective. Tattoos, piercing , and sexual behaviors in young adults. Body piercing and tattooing are accepted by a growing number of teenagers and young adults as a way of self-expressing.

The aim of the study was to evaluate sexual behaviors among young adults with body modifications BMs --tattoos and piercings. One hundred twenty young healthy adults, ages between 20 and 35, were included in the population study. The research instrument was a self-prepared questionnaire containing 59 questions assessing socioepidemiological parameters, sexual behaviors, incidents of sexual harassment in the past, and self-attractiveness evaluation, as well as questions concerning tattoos and piercings.

Socioepidemiological variables and sexual behaviors were compared between subgroups. To assess and describe the correlation between having BM--tattoos and piercing --and sexual behaviors in the population of young adults by using the logistic regression model. Adults with BMs have had their first intercourse statistically earlier and were more sexually active compared with controls. There were no statically significant differences in sexual orientation, sexual preferences, engaging in risky sexual behaviors, frequency of masturbation, and history of sexual abuse between the groups.

In contrast, the frequency of sexual intercourses was statistically higher and oral sex was more likely to be a dominant sexual activity in adults with BM compared with controls. The multivariate logistic model revealed that adults with BM were four times less likely to participate in religious practices and twice more likely to have early sexual initiation.

Having BM is associated with early sexual initiation and more liberal attitudes toward sexual behaviors but not with engaging in. Singling and Troyes. The same can not be said of the foot infantryman because normally he was not associated with tanks. Such was the case in the previously.

Scientific evaluation of the Armor Guard mobile barrier system. The main purpose of this study is to perform a scientific evaluation of the utility of the Armor Guard system in A hypothetical orthotropic material model closely resembling that of A hypothetical orthotropic material model closely resembling that of Dyneema HB25 was derived based on Steel AISI Composite Plates.

Piercing the upper ear: a simple infection, a difficult reconstruction. Piercing the upper ear to retain jewellery is now commonplace. When infection ensues, devastating chondritis leads to collapse of the ear. To our knowledge, the surgical reconstruction of post- piercing deformities has not been documented in the literature.

We present five such cases referred for autogenous-tissue ear reconstruction. In four of these, the destroyed segments of ear cartilage were replaced with a carved costal-cartilage framework. One patient declined surgery.

The importance of preventing infection is stressed. Federal Register , , , , Nano characterization of gunshot residues from Brazilian ammunition. GSR particles are composed of spherical particles of several micrometers of diameter containing distinct amounts of lead, barium and antimony, along with other organic and inorganic elements arising from the primer, gunpowder, the gun and the bullet itself. This study was carried out to obtain additional information on the properties of GSR nanoparticles originated from different types of regular ammunition produced in Brazil by CBC.

Besides the SEM, we have used a TEM, exploring its high magnification capability and ability to explore internal structure and chemical composition of submicron particles. We observed that CBC ammunition generated smaller particles than usually reported for other ammunitions and that the three component particles are not a majority. The github issue tracker is only for bug reports and feature requests. Anything else, such as questions for help in using the library, should be posted in StackOverflow under tags promise and bluebird.

Thanks to BrowserStack for providing us with a free account which lets us support old browsers like IE8. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. Last updated 7 years ago by esailija. Join us on stackoverflow , the mailing list or chat on IRC Introduction Bluebird is a fully featured promise library with focus on innovative features and performance See the bluebird website for further documentation, references and instructions.

Note Promises in Node. Questions and issues The github issue tracker is only for bug reports and feature requests. Thanks Thanks to BrowserStack for providing us with a free account which lets us support old browsers like IE8. Current Tags 3.

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Environmental Science and Engineering, Inc. Production Board under the chairmanship of merchandising executive, Robert Nelson, and the apppointment of William Knudsen, President of General Motors, as William K. Barbara W. Tuchman, The Guns of Hearings before the Preparedenss Subcommittee No. William O. Lighter and less expensive polymer composites reinforced with natural fibers have been investigated as possible components of a multilayered armor system MAS for personal protection against high-velocity ammunition.

Thus, the objective of this work is to evaluate the ballistic performance of epoxy composites reinforced with 30 vol. The results using high-velocity 7. Armored spring-core superconducting cable and method of construction. An armored spring-core superconducting cable 12 is provided.

The armored spring-core superconducting cable 12 may include a spring-core 20 , at least one superconducting strand 24 wound onto the spring-core 20 , and an armored shell 22 that encases the superconducting strands The spring-core 20 is generally a perforated tube that allows purge gases and cryogenic liquids to be circulated through the armored superconducting cable 12 , as well as managing the internal stresses within the armored spring-core superconducting cable The armored shell 22 manages the external stresses of the armored spring-core superconducting cable 12 to protect the fragile superconducting strands The armored spring-core superconducting cable 12 may also include a conductive jacket 34 formed outwardly of the armored shell Injuries caused by fragmenting rifle ammunition.

Although penetrating injuries are encountered on a regular basis in high volume trauma centres, most civilian trauma teams will be unfamiliar with the treatment of patients with injuries caused by fragmenting ammunition. The terrorist attacks in Norway on July 22, included a shooting spree causing 69 deaths and 60 injured. One of the weapons used was a semi-automatic rifle, calibre 5. The aim of the present study was to describe the characteristic injury patterns and lessons learned from the treatment of multiple patients admitted at the regional trauma centre with injuries from this type of ammunition.

We undertook an observational study of patients admitted at Oslo University Hospital, Ulleval after the shooting spree at Utoya on July 22, Data on demographics, injuries, injury severity, surgical procedures and outcome were collected prospectively. Of the 21 patients admitted after the shooting incident, 18 were identified with injuries caused by fragmenting ammunition and included in the study. They had been hit by a total of 38 projectiles, of which 32 were fragmenting bullets.

Of the seven patients who sustained injuries to the head, neck and face, one patient required a craniotomy and one patient had a non-survivable head injury. Of the 11 patients with torso injuries, six of the eight patients with chest injuries had intra-thoracic injuries that could be treated with chest tubes only. One patient had cardiac tamponade, requiring thoracotomy.

Six patients underwent laparotomy, four of them more than one. Of the 10 patients with extremity injuries, two had nerve injuries and six patients had fractures. Five amputations were performed within the first nine days. A total of operations were required within the first four weeks. The majority of these were repeated soft tissue debridements due to progressive necrosis.

NDE of hybrid armor structures using acoustography. The US Army is investigating the use of composite materials to deliver lightweight and more effective armor protection systems to soldiers and other army assets. However, widespread use of such hybrid armor will require a reliable but fast NDE methodology to ensure integrity of these components during manufacturing and while in service.

Traditional ultrasonic inspection of such hybrid armor structures may prove to be very effective, but point-by-point ultrasonic scanning is inherently time-consuming and manufacturing slowdowns could develop in high-volume production of such armor systems. Acoustography differs from conventional ultrasonic testing in that test objects are inspected in full field, analogously to real time x-ray imaging. The approach uses a novel, super high resolution large area acousto-optic AO sensor, which allows image formation through simple ultrasound shadow casting, analogous to x-ray image formation.

This NDE approach offers significant inspection speed advantage over conventional point-by-point ultrasonic scanning procedures and is well-suited for high volume production. We will report initial results on a number of hybrid armor plate specimens employing composite materials that are being investigated by the US Army.

Composite structural armor for combat vehicle applications. Several projects that have demonstrated the advantages of using thick composite armor technology for structural applications in armored combat vehicles are discussed. Another was a demonstration composite turret that offered a weight reduction of The advantages of this composite armor compared to metallic armors used for combat vehicle hull and turret applications are reduced weight at equal ballistic protection; reduced back armor spall; excellent corrosion resistance; reduced production costs by parts consolidation; and inherent thermal and acoustic insulative properties.

Based on the encouraging results of these past programs, the Demonstration Composite Hull Program was started in September To demonstrate this composite armor technology, the Army's newest infantry fighting vehicle, the Bradley Fighting Vehicle BFV , was selected as a model. A composite infantry fighting vehicle, designated the CIFV for this program, has been designed and fabricated and is currently undergoing a mile field endurance test.

Current body armor. Obituary: A. Keith Pierce , - Keith Pierce was a solar astronomer who will be remembered for bringing the physics lab to the telescope and for his design of the world's largest solar telescope, the 1. Born in Lincoln, Nebraska, he died of cancer in Tucson on 11 March He was eighty-six.

His father, Tracy Pierce , had gone to graduate school in Berkeley, California, with a major in mathematics and a minor in astronomy. Fellow students of his class included Seth Nicholson and Donald Shane, people who were later to influence young Keith's life. Tracy Pierce received an appointment as an instructor, later Professor, of mathematics at the University of Nebraska in Lincoln.

In his spare time dad Tracy became something of a telescope nut, following "the bible" —Albert Ingall's A. M Amateur Telescope Making. His enthusiasm rubbed off on his son. Seth Nicholson, who became a famous Mt. After two years at Lincoln, followed by two more at Berkeley, Keith had earned his bachelor's degree in astronomy. Shane became personnel director at the E. Lawrence Radiation Lab and arranged for Keith to work there at the cyclotron. A crash program to produce U from U was under way.

At a crucial point in the cyclotron turned out the sought-after material. Much celebration ensued among the Rad Lab leaders. During this gala, Keith was on the night-shift and pretty much on his own. It was then that he turned a valve to the right, when left was called for, and the entire system went down. Shortly thereafter he was sent to Oak Ridge for the duration of the war.

He cannot have been thought of badly, however, because he was invited to the Trinity test in New Mexico. He didn't go because of the pending birth of his first son, John. The year found Keith back in Berkeley working on his Ph. The overall objective of the FAAPS Project is the development and demonstration of an improved process to accomplish these goals. The concept evaluation consists of 1 identifying assumptions and requirements, 2 documenting the process flow, 3 identifying and evaluating technologies available to accomplish the necessary ammunition processing and storage operations, and 4 presenting alternative concepts with associated costs, processing rates, and manpower requirements for accomplishing the operation.

This study provides insight into the achievability of the desired objectives. Pursuant to 10 U. Previously, in those segments of America where "proper" behavior was valued, tattoos and body piercings were examples of what Goffman identified as "stigma"--they spoiled one's identity. Today, tattoos and piercings have become more mainstream.

This study reports the survey of undergraduates at a large southeastern university. PM SEQ offered no. No person shall transfer One of the challenging objectives in studying the Mannesmann piercing process is to predict the fracture initiation, known as "Mannesmann effect", in order to design and optimize the working parameters of the piercing process. The objective of the paper is to investigate the workability of a tube steel tested in the same conditions of the Mannesman piercing process.

The stress and strain states as well as temperature fields arising during the process are identified through numerical simulations. The hot tensile test is chosen for fundamental studies on fracture initiation, as a tensile state of stress in the centre of the billet in the first stages of the piercing process before the plug arrival seems to be one of the main causes of the crack initiation.

The material constants of energy-based models implemented in FEM codes are calculated and numerical results are compared with non-plug piercing tests carried out on the industrial plant. The latest model, the M2A4 , weighed 12 tons and carried a 37mm main gun mounted in a single turret. It also Second, armor was concentrated in sufficient mass at the point of the breakthrough. This enabled the armored units to blast their. Automated ammunition logistics for the Crusader program.

A self-propelled howitzer and a resupply vehicle constitute the Crusader system, which will be designed for improved mobility, increased firepower, and greater survivability than current generation vehicles. The resupply vehicle is intended to sustain the howitzer with ammunition and fuel and will significantly increase capabilities over those of current resupply vehicles.

Ammunition is currently processed and transferred almost entirely by hand. Each of the critical technologies was then developed separately and demonstrated on discrete test platforms. An integrated technology demonstrator, incorporating each of the individual technology components to realistically simulate performance of the selected vehicle concept, was developed and successfully demonstrated for the Army.

Thermal modeling of W rod armor. Sandia has developed and tested mockups armored with W rods over the last decade and pioneered the initial development of W rod armor for International Thermonuclear Experimental Reactor ITER in the 's. We have also developed 2D and 3D thermal and stress models of W rod- armored plasma facing components PFCs and test mockups and are applying the models to both short pulses, i.

A new type of shotgun ammunition produces unique wound characteristics. On impact, the core is released to distribute over a small area, thereby disintegrating on impact to reduce the likelihood of exit or collateral damage on missed shots. After a brief review of shotgun slug ballistics and wound characteristics and a discussion of the mechanism of the Polyshok IRP, we report the first death in the United States from this ammunition.

Findings included a single entrance wound with plastic ammunition components and small lead particles recovered from the body, the combination of which normally would suggest a close-range shooting with birdshot. However, the characteristics of this ammunition create different patterns than are found with slugs or shot, so that a medical examiner unfamiliar with the Polyshok IRP could draw inaccurate conclusions about ammunition and range of fire.

Because the single projectile fired from this ammunition is composed of both plastic and lead, plastic components are likely to be found within the wound at any range of fire, unlike traditional shot or slug ammunition. Also, the small size of lead particles found spread through the wound cavity would ordinarily suggest a small-size shot, whereas the external appearance of the wound a single entrance with no dispersion of shot and the pattern of tissue destruction are more consistent with the patterns of injury associated with shotgun slugs.

Hunting with lead ammunition is not sustainable: European perspectives. Much evidence demonstrates the adverse effects of lead ammunition on wildlife, their habitats and human health, and confirms that the use of such ammunition has no place within sustainable hunting.

We identify the provisions that define sustainable hunting according to European law and international treaties, together with their guidance documents. We accept the substantial evidence for lead's actual and potential effects on wildlife, habitats and health as persuasive and assess how these effects relate to stated provisions for sustainability and hunting. We evaluate how continued use of lead ammunition negatively affects international efforts to halt loss of biodiversity, sustain wildlife populations and conserve their habitats.

We highlight the indiscriminate and avoidable health and welfare impacts for large numbers of exposed wild animals as ethically unsustainable. In societal terms, continued use of lead ammunition undermines public perceptions of hunting. Changing from lead ammunition to non-toxic alternatives will bring significant nature conservation and human health gains, and from the hunter's perspective will enhance societal acceptance of hunting.

Change will create opportunities for improved constructive dialogue between hunting stakeholders and others engaged with enhancing biodiversity and nature conservation objectives. Resonance and streaming of armored microbubbles. Under acoustic actuation, such bubble produces net streaming flows. In order to theoretically model the induced flow, we first extend classical models of free bubbles to describe the streaming flow around a spherical body for any known axisymmetric shape oscillation.

A potential flow model is then employed to determine the resonance modes of the armored microbubble. We finally use a more detailed viscous model to calculate the surface shape oscillations at the experimental driving frequency, and from this we predict the generated streaming flows.

This report discusses the Army reporting of conventional ammunition , which is a material part of the Army operating materials and supplies. In general, conventional ammunition consists of any item containing explosives. The overall objective of our audit was to obtain. We examined the potential of these light armor designs closely, but did not compare them with the MBT designs. The main problem in Three-man remote turret des :6n: side view Three-man remote turret Section V describes some light armored vehicle de - signs, including two.

October 30, Project No. DFJ — The audit was performed in support of. Herbivore exploits chink in armor of host. Mites in the genus Raoiella Hirst are obligate plant parasites that feed via stylet-like mouthparts adapted to pierce plant tissues. A species of particular interest in this genus, the red palm mite, R. Transparent armor is a material or system of materials designed to be optically transparent, yet protect from fragmentation or ballistic impacts. Although engineered to defeat specific threats, or a range of threats, there are general requirements common to all of these designs.

The primary requirement for a transparent armor system is to not only defeat the designated threat but also provide a multi-hit capability with minimized distortion of surrounding areas. Ground platforms have several parameters that must be optimized, such as weight, space efficiency, and cost versus performance.

An axiom arising from those effects is a greater amount of allowable deflection i. Therefore, the interpretation and management of those tensile-failure-stress dependencies shall ultimately improve ballistic resistance and its predictability of transparent armor. Each of those three dependencies size, side, and location in a soda-lime silicate glass is described. Chapter 44, and Part of View captioned General view of Shipbuilding Dock with Ammunition Analysis of behind the armor ballistic trauma.

The impact response of body armor composed of a ceramic plate with an ultrahigh molecular weight polyethylene UHMWPE fiber-reinforced composite and layers of UHMWPE fibers shielding a block of ballistic gelatin has been experimentally and numerically analyzed. It is a surrogate model for studying injuries to human torso caused by a bullet striking body protection armor placed on a person.

Photographs taken with a high speed camera are used to determine deformations of the armor and the gelatin. The Johnson-Holmquist material model has been used to simulate deformations and failure of the ceramic. The gelatin is modeled as a strain-rate dependent hyperelastic material. Values of material parameters are taken from the open literature. The computed evolution of the temporary cavity formed in the gelatin is found to qualitatively agree with that seen in experiments. Furthermore, the computed time histories of the average pressure at four points in the gelatin agree with the corresponding experimentally measured ones.

The maximum pressure at a point and the depth of the temporary cavity formed in the gelatin can be taken as measures of the severity of the bodily injury caused by the impact; e. Buildings and are shaded and located left of center near top of map. Breast abscess after nipple piercing : sonographic findings with clinical correlation. The purpose of this series was to review the spectrum of clinical and sonographic features associated with infection after nipple piercing.

Between and , 6 patients presented to our breast center with a breast abscess after nipple piercing. A retrospective analysis of the imaging findings was performed with clinical and pathologic correlation. Patients with breast infections after nipple piercing tend to be young, and the timing since piercing varies from 2 weeks to 17 months. Sonography showed a complex or hypoechoic mass in 5 of 6 patients. Treatment of breast abscesses included surgical incision and drainage, percutaneous drainage, and antibiotic therapy.

Surgical evacuation is commonly performed; however, sonographically guided aspiration may be an appropriate management strategy. Should the U. Army Adopt New 5. The 5. External ballistics refers to all events concerning a projectile after it leaves the launcher, or barrel , and before achieves. Constrained ceramic-filled polymer armor. An armor system is disclosed in which a plurality of constraint cells are mounted on a surface of a substrate, which is metal armor plate or a similar tough material, such that the cells almost completely cover the surface of the substrate.

The balance of each cell is completely filled with a projectile-abrading material, which is a ceramic material in particulate form dispersed in a polymeric matrix. An armor system in which a plurality of constraint cells are mounted on a surface of a substrate, which is metal armor plate or a similar tough material, such that the cells almost completely cover the surface of the substrate. CDtargeted chimeric antigen receptor CAR T cells are currently being tested in the clinic with very promising outcomes.

However, limitations to CAR T cell therapy exist. These include lack of efficacy against some tumors, specific targeting of tumor cells without affecting normal tissue and retaining activity within the suppressive tumor microenvironment. Studies investigating the expression of cytokine transgenes, combination therapy with small molecule inhibitors or monoclonal antibodies are aimed at improving the anti-tumor efficacy of CAR T cell therapy.

Other strategies aimed at improving CAR T cell therapy include utilizing dual CARs and chemokine receptors to more specifically target tumor cells. Whereas promising clinical trials are in progress, preclinical development is focused on optimizing CAR design, to generate " armored CAR T cells," which are protected from the inhibitory tumor microenvironment.

Studies investigating the expression of cytokine transgenes, combination therapy with small molecule inhibitors, or monoclonal antibodies, are aimed at improving the antitumor efficacy of CAR T cell therapy. Other strategies aimed at improving CAR T cell therapy include using dual CARs and chemokine receptors to more specifically target tumor cells. This review will describe the current clinical data and some novel armored CAR T cell approaches for improving antitumor efficacy therapy.

Preliminary design of Viking Armored Gun System. In the spirit of our earlier AFV designs, our primary concern is to provide the AGS with sufficient firepower and survivability while utilizing off-the-shelf'' sub-systems and components in order to reduce developmental time and acquisition cost. Ballistic Resistance of Body Armor. NIJ Standard Templeton1, Tara J The study had two primary Relevance of Armor in Counterinsurgency Operations.

The report identified that U. This operation occurred in the wake of sporadic small arms contact during the movement of the Relationships between dismounted infantry and armor who had trained together would have solved this issue. Composite treatment of ceramic tile armor. An improved ceramic tile armor has a core of boron nitride and a polymer matrix composite PMC facing of carbon fibers fused directly to the impact face of the tile.

A polyethylene fiber composite backing and spall cover are preferred. The carbon fiber layers are cured directly onto the tile, not adhered using a separate adhesive so that they are integral with the tile, not a separate layer. AP armor Piercing Bullets at O deg. Jolmson- E Armored instrumentation cable for geothermal well logging.

Multiconductor armored well-logging cable is used extensively by the oil and natural gas industry to lower various instruments used to measure the geological and geophysical parameters into deep wellbores. Advanced technology in oil-well drilling makes it possible to achieve borehole depths of 9 km 30, ft. The higher temperatures in these deeper boreholes demand advancements in the design and manufacturing of wireline cable and in the electrical insulating and armoring materials used as integral components.

Teflon materials presently used in wireline cables, however, are not capable of continuous operation at the anticipated higher temperatures. Fort McClellan, ammunition storage building Planar view of rear Reducing impacts from ammunitions : A comparative life-cycle assessment of four types of 9mm ammunitions.

Increase of environmental awareness of the population has pressured research activities in the defence area to cover environment and toxicity issues, where have been considered appropriate manners to reduce the environmental and toxicological impacts of ammunition. One of the adopted approaches to achieve such goal involves the replacement of lead and other heavy metals by alternative materials. However, the consequences of using alternative materials in ammunitions manufacturing are uncertain for the other life-cycle phases and trade-offs can occur.

The present paper describes the potential benefits from the replacement of lead in the primer and in the projectile of a 9mm calibre ammunition. For that purpose, it is assessed and compared the environmental and toxicological impacts associated with the life-cycle of four ammunitions : combination of two types of projectiles steel jacket and lead core; copper and nylon composite with two types of primers lead primer; non-lead primer.

In addition, some potential improvements for the environmental performance of small calibre ammunition are also presented. Results showed that the conclusion drawn for environmental and toxicological impact categories are distinct. In fact, ammunition production phase presents higher impacts for the environmental categories, whilst the operation phase has a higher impact to the toxicity categories.

The substitution of lead in the primer and in the projectile provides a suitable alternative from a toxicology perspective; however, the composite projectile still presents some environmental concerns. The conclusions drawn are important for the procurement and design of environmental responsible ammunitions , in order to avoid or decrease the impacts for their manufacture and the effects on human health e. The use of tattoos and piercings has increased, especially among adolescents in the last decades.

To evaluate the prevalence of these behaviors in adolescents and their association with risk behaviors such as alcohol, tobacco and illicit drug use and sexual promiscuity. An anonymous and confidential survey about tattooing and piercings was applied to randomly selected high school teenagers, attending municipal, private-subsidized and private schools, in four sectors of Santiago north-east, south-east, north-west, south-west.

The prevalence of tattoos was 1. The figure for piercings was A higher prevalence of tattooing and piercings was observed in groups with a history of psychiatric disorders, criminal records, alcohol, tobacco and illicit drug consumption and initiation of sexual activity p piercings are indicators of adolescent risk behaviors.

As prescribed in Customs and Border Protection shall Symptoms of musculoskeletal disorders among ammunition factory workers in Turkey. The aim of this study was to assess the prevalence of symptoms of work-related musculoskeletal disorders MSDs and to determine the risk factors among ammunition factory workers in Turkey.

This cross-sectional study was performed on ammunition factory workers. Potential risk factors were investigated with a questionnaire and multivariate logistic regression analysis was performed. During the previous year, It was found that both work-related conditions and personal and environmental factors are important for the development of occupational MSDs.

A life cycle assessment of destruction of ammunition. The Swedish Armed Forces have large stocks of ammunition that were produced at a time when decommissioning was not considered. This ammunition will eventually become obsolete and must be destroyed, preferably with minimal impact on the environment and in a safe way for personnel. Data used are for the specific processes and from established LCA databases. Recycling the materials in the ammunition and minimising the spread of airborne pollutants during incineration were found to be the most important factors affecting the life cycle environmental performance of the compared destruction methods.

Open detonation with or without metal recycling proved to be the overall worst alternative from a life cycle perspective. The results for the static kiln and combination treatment indicate that the kind of ammunition and location of the destruction plant might determine the choice of method, since the environmental impacts from these methods are of little difference in the case of this specific grenade.

Different methods for destruction of ammunition have previously been discussed from a risk and safety perspective. This is however to our knowledge the first study looking specifically on environmentally aspect in a life cycle perspective. Tattoos, piercing , and sexual behaviors in young adults. Body piercing and tattooing are accepted by a growing number of teenagers and young adults as a way of self-expressing.

The aim of the study was to evaluate sexual behaviors among young adults with body modifications BMs --tattoos and piercings. One hundred twenty young healthy adults, ages between 20 and 35, were included in the population study. The research instrument was a self-prepared questionnaire containing 59 questions assessing socioepidemiological parameters, sexual behaviors, incidents of sexual harassment in the past, and self-attractiveness evaluation, as well as questions concerning tattoos and piercings.

Socioepidemiological variables and sexual behaviors were compared between subgroups. To assess and describe the correlation between having BM--tattoos and piercing --and sexual behaviors in the population of young adults by using the logistic regression model. Adults with BMs have had their first intercourse statistically earlier and were more sexually active compared with controls. There were no statically significant differences in sexual orientation, sexual preferences, engaging in risky sexual behaviors, frequency of masturbation, and history of sexual abuse between the groups.

In contrast, the frequency of sexual intercourses was statistically higher and oral sex was more likely to be a dominant sexual activity in adults with BM compared with controls. The multivariate logistic model revealed that adults with BM were four times less likely to participate in religious practices and twice more likely to have early sexual initiation. Having BM is associated with early sexual initiation and more liberal attitudes toward sexual behaviors but not with engaging in.

Singling and Troyes. The same can not be said of the foot infantryman because normally he was not associated with tanks. Such was the case in the previously. Scientific evaluation of the Armor Guard mobile barrier system. The main purpose of this study is to perform a scientific evaluation of the utility of the Armor Guard system in A hypothetical orthotropic material model closely resembling that of A hypothetical orthotropic material model closely resembling that of Dyneema HB25 was derived based on Steel AISI Composite Plates.

Piercing the upper ear: a simple infection, a difficult reconstruction. Piercing the upper ear to retain jewellery is now commonplace. When infection ensues, devastating chondritis leads to collapse of the ear. To our knowledge, the surgical reconstruction of post- piercing deformities has not been documented in the literature. We present five such cases referred for autogenous-tissue ear reconstruction. In four of these, the destroyed segments of ear cartilage were replaced with a carved costal-cartilage framework.

One patient declined surgery. The importance of preventing infection is stressed. Federal Register , , , , Nano characterization of gunshot residues from Brazilian ammunition. GSR particles are composed of spherical particles of several micrometers of diameter containing distinct amounts of lead, barium and antimony, along with other organic and inorganic elements arising from the primer, gunpowder, the gun and the bullet itself.

This study was carried out to obtain additional information on the properties of GSR nanoparticles originated from different types of regular ammunition produced in Brazil by CBC. Besides the SEM, we have used a TEM, exploring its high magnification capability and ability to explore internal structure and chemical composition of submicron particles.

We observed that CBC ammunition generated smaller particles than usually reported for other ammunitions and that the three component particles are not a majority. The electron diffraction pattern from these particles confirmed them to be mainly composed of lead oxides crystalline nanoparticles that may be agglomerated into larger particles.

Energy dispersive X-ray spectroscopy revealed that most of them were composed of two elements, especially PbSb. Ba was not a common element found in the nanoparticles. Associating gunpowder and residues from commercial ammunition using compositional analysis.

Gunpowder samples from four of the seven boxes of ammunition could be easily differentiated. When visual comparisons of the cartridge powders were considered in addition to composition, powder samples from all seven boxes of ammunition could be reliably differentiated. Handgun OGSR was also collected and evaluated in bulk as well as for individual particles. It was instructive to evaluate the composition of individual unfired gunpowder and OGSR particles.

Associating measurements from residue particles with those of residue samples collected from a test firing of the same weapon and ammunition appears to be a useful approach to account for any changes in composition that occur during the firing process. Data Collection Sheets The procedures outlined in this TOP are designed to determine the c-h-arac-teristics of indirect artillery. This article features Pierce County High School in rural southeast Georgia whose students, almost half of whom are from economically disadvantaged families, have demonstrated what a focus on student learning can accomplish.

Principal Investigator: J. Self-reported characteristics of women and men with intimate body piercings. The purpose of this paper is to report the findings of a study exploring factors associated with female and male intimate body piercing , with particular emphasis on health issues. Nipple and genital piercings intimate piercings have become common types of body art. Scant medical and nursing literature is available, leading to little understanding of these body modifications by health care providers.

A convenience sample of intimately pierced individuals 63 women and 83 men from 29 states in the United States of America was surveyed via an author-developed questionnaire. Questions focused on demographic characteristics, decision factors and health problems related to intimate piercings. Self-reported characteristics were compared between female and male participants, and participants were compared demographically to United States general population.

Respondents were significantly younger, less ethnically diverse, better educated, less likely to be married, more often homosexual or bisexual and they initiated sexual activity at a younger age than the US population. Deliberate, individual decisions for procurement of the intimate piercings were made.

Average purchase consideration was at age 25 nipple and 27 genital ; average age to obtain the piercing was 27 nipple and 28 genital years. Purposes for obtaining the piercings included uniqueness, self-expression and sexual expression. Usually non-medical advice was sought for problems -- often from the body piercer.

Understanding client rationale is not a necessary. Dental and periodontal complications of lip and tongue piercing : prevalence and influencing factors. The aim of this study was to compare the prevalence of lip and tongue piercing complications and explore the effect of ornament time wear period, habits, ornament morphology and periodontal biotype on the development of complications.

Piercing habits biting, rolling, stroking, sucking were recorded. Wear time and habits significantly affected the prevalence of dental defects and gingival recession. Pierced site significantly affected dental defects prevalence, with greater prevalence for tongue than lip piercing. Wear time significantly affected attachment loss and probing depth. Attachment loss and probing depth did not significantly differ between tongue and lip piercings.

Gingival recession was significantly associated with ornament height closure and stem length of tongue ornaments. Periodontal biotype was not significantly associated with gingival recession, attachment loss and probing depth. Dental defects prevalence is greater for tongue than lip piercing. Gingival recession is similar for tongue and lip piercing. Longer wear time of tongue and lip piercing is associated with greater prevalence of dental defects and gingival recession, as well as greater attachment loss and probing depth of teeth adjacent to pierced sites.

Ornament morphology affects gingival recession prevalence. Negligible heat strain in armored vehicle officers wearing personal body armor. Objectives This study evaluated the heat strain experienced by armored vehicle officers AVOs wearing personal body armor PBA in a sub-tropical climate.

Heart rate and core temperature were monitored continuously. Urine specific gravity USG was measured before and after, and with any urination during the shift. Results Heart rate indicated an intermittent and low-intensity nature of the work.

Core temperature averaged Theoretical and non-dimensional analyses suggest a critical link between the performance of ballistic resistant armor and the fundamental mechanical properties of the polymeric materials that comprise them. Therefore, a test methodology that quantifies these properties without compromising an armored vest that is exposed to the industry standard V ballistic performance test is needed.

Currently, there is considerable speculation about the impact that competing degradation mechanisms e. We report on the use of a new test methodology that quantifies the mechanical properties of ballistic fibers and how each proposed degradation mechanism may impact a vest's ballistic performance. June A Study of the Mechanical Composite armored vehicle advanced technology demonstator.

Composite structures are a key technology needed to develop future lightweight combat vehicles that are both deployable and survivable. The Composite Armored Vehicle Advanced Technology Demonstrator Program that started in fiscal year will continue through to verily that composite structures are a viable solution for ground combat vehicles. Testing thus far includes material characterization, structural component tests and full scale quarter section tests.

Material and manufacturing considerations, tests, results and changes, and the status of the program will be described. The structural component tests have been completed successfully, and quarter section testing is in progress. Armor systems including coated core materials. An armor system and method involves providing a core material and a stream of atomized coating material that comprises a liquid fraction and a solid fraction.

An initial layer is deposited on the core material by positioning the core material in the stream of atomized coating material wherein the solid fraction of the stream of atomized coating material is less than the liquid fraction of the stream of atomized coating material on a weight basis. An outer layer is then deposited on the initial layer by positioning the core material in the stream of atomized coating material wherein the solid fraction of the stream of atomized coating material is greater than the liquid fraction of the stream of atomized coating material on a weight basis.

On the collapse pressure of armored bubbles and drops. Drops and bubbles wrapped in dense monolayers of hydrophobic particles are known to sustain a significant decrease of their internal pressure. Through dedicated experiments we investigate the collapse behavior of such armored water drops as a function of the particle-to-drop size ratio in the range 0. We show that this parameter controls the behavior of the armor during the deflation: at small size ratios the drop shrinkage proceeds through the soft crumpling of the monolayer, at intermediate ratios the drop becomes faceted, and for the largest studied ratios the armor behaves like a granular arch.

The results show that each of the three morphological regimes is characterized by an increasing magnitude of the collapse pressure. This increase is qualitatively modeled thanks to a mechanism involving out-of-plane deformations and particle disentanglement in the armor. Photocopy of lithograph source unknown The Armor Lithograph Company, The system employs a terrain board with model enemy armored vehicles TOW is a crew-portable, heavy anti-tank weapon designed to attack and defeat armored vehicles and field fortifications.

The missile is Anesthetic management of a case of armored brain. Armored brain is condition, which occurs due to calcification in a chronic subdural hematoma SDH. Here, we are reporting a case of armored brain due to chronic SDH as a complication of vetriculoperitoneal shunt VP shunt. Patient had undergone major surgery for removal of calcified hematoma. VP shunt is a simple surgery, but can lead to catastrophic complications like this.

In this report, we had described this condition and its aspects. Maitland , Newell K. Eaton, and Janet F. Eaton, Accession For and. Employing wavelet-based texture features in ammunition classification. Pattern recognition, a branch of machine learning, involves classification of information in images, sounds, and other digital representations. This paper uses pattern recognition to identify which kind of ammunition was used when a bullet was fired based on a carefully constructed set of gunshot sound recordings.

To do this task, we show that texture features obtained from the wavelet transform of a component of the gunshot signal, treated as an image, and quantized in gray levels, are good ammunition discriminators. We also compare the performance of the proposed method with results obtained by standard temporal and spectrographic techniques. The safety of Ammunition has always been the focus of national military science and technology issues.

According to the simulation results of FDS, ANSYS software was used to simulate the temperature field of Mk carrier-based aviation bomb under fire environment, and the safety of aviation bomb in fire environment was analyzed. The result shows that the aviation bombs under the fire environment can occur the combustion or explosion after 70s constant cook-off, and it was a huge threat to the ship security.

Blanking and piercing theory, applications and recent experimental results. Blanking and piercing are manufacturing processes by which certain geometrical shapes are sheared off a sheet metal. If the sheared off part is the one required, the processes referred to as blanking and if the remaining part in the sheet is the one required, the process is referred to as piercing.

In this paper, the theory and practice of these processes are reviewed and discussed The main parameters affecting these processes are presented and discussed. These include: the radial clearance percentage, punch and die geometrical parameters, for example punch and die profile radii. The abovementioned parameters on the force and energy required to effect blanking together with their effect on the quality of the products are also presented and discussed.

Recent experimental results together with photomacrographs and photomicrographs are also included and discussed. Finally, the effect of punch and die wear on the quality of the blanks is alsogiven and discussed. Triple inverter pierce oscillator circuit suitable for CMOS.

An oscillator circuit is disclosed which can be formed using discrete field-effect transistors FETs , or as a complementary metal-oxide-semiconductor CMOS integrated circuit. The oscillator circuit utilizes a Pierce oscillator design with three inverter stages connected in series.

A feedback resistor provided in a feedback loop about a second inverter stage provides an almost ideal inverting transconductance thereby allowing high-Q operation at the resonator-controlled frequency while suppressing a parasitic oscillation frequency that is inherent in a Pierce configuration using a "standard" triple inverter for the sustaining amplifier. The oscillator circuit, which operates in a range of 10 50 MHz, has applications for use as a clock in a microprocessor and can also be used for sensor applications.

The system must be compatible with Tattoos and piercings are increasingly part of everyday life for large sections of the population, and more emergency physicians are seeing these body modifications BM adorn their patients. In this review we elucidate the most common forms of these BMs, we describe how they may affect both the physical and psychological health of the patient undergoing treatment, and also try to educate around any potential pitfalls in treating associated complications.

Phallic decoration in paleolithic art: genital scarification, piercing and tattoos. The primitive anthropological meaning of genital ornamentation is not clearly defined and the origin of penile intervention for decorative purposes is lost in time.

Corporeal decoration was practiced in the Upper Paleolithic period. We discuss the existing evidence on the practice of phallic piercing , scarring and tattooing in prehistory. We studied the archaeological and artistic evidence regarding explicit genital male representations in portable art made in Europe approximately 38, to 11, years ago with special emphasis on decorations suggesting genital ornamentation. Archaeological evidence that has survived to our day includes 42 phallic pieces, of which 30 These designs most probably represent skin scarification, cutting, piercing and tattooing.

Notably there are some technical similarities between the motifs represented and some designs present in symbolic cave wall art. This evidence may show the anthropological origin of current male genital piercing and tattooing.

European Paleolithic art shows decoration explicitly represented in a high proportion of portable art objects with a phallic form that have survived to our day. Decorative rituals of male genital tattooing, piercing and scarification may have been practiced during Paleolithic times. Published by Elsevier Inc.

Area A. Feasibility Study. Environmental Science and The I contaminated soil was excavated and stored in the temporary storage structures in Area B. Environmental Science and. Cytotoxicity due to corrosion of ear piercing studs. Inasmuch as gold is known as a non-toxic element, other elements of the substrate material may be responsible for some allergies.

Therefore, characteristics of the coating, such as defects that expose the substrate to the human skin or body fluids, play an important role in the development of skin sensitization. In this study, the cytotoxicity of commercial studs used for ear piercing and laboratory-made studs was determined in a culture of mammalian cells.

The corrosion performance of the studs was investigated by means of weight loss measurements and electrochemical impedance spectroscopy. The elements that leached out into the medium were also analysed by instrumental neutron activation analysis.

Further, the surfaces of the studs were examined by scanning electron microscopy and analysed by energy dispersive spectroscopy to identify defects and reaction products on the surface, both before and after their exposure to the culture medium. The stud which showed lower corrosion performance resulted in higher cytotoxicity. Ti showed no cytotoxicity and high corrosion resistance, proving to be a potential material for the manufacture of ear piercing studs.

Lead in ammunition : a persistent threat to health and conservation. Many scavenging bird populations have experienced abrupt declines across the globe, and intensive recovery activities have been necessary to sustain several species, including the critically endangered California condor Gymnogyps californianus.

Exposure to lead from lead-based ammunition is widespread in condors and lead toxicosis presents an immediate threat to condor recovery, accounting for the highest proportion of adult mortality. Lead contamination of carcasses across the landscape remains a serious threat to the health and sustainability of scavenging birds, and here we summarize recent evidence for exposure to lead-based ammunition and health implications across many species.

California condors and other scavenging species are sensitive indicators of the occurrence of lead contaminated carcasses in the environment. Transdisciplinary science-based approaches have been critical to managing lead exposure in California condors and paving the way for use of non-lead ammunition in California. Similar transdisciplinary approaches are now needed to translate the science informing on this issue and establish education and outreach efforts that focus on concerns brought forth by key stakeholders.

Application of powder metallurgy techniques for the development of non-toxic ammunition. Currently available small arms ammunition utilizes lead as the major component of the projectile. The introduction of lead into the environment by these projectiles when they are expended is a rapidly increasing environmental problem.

DFA is a leading supplier of high-density mixtures, which will be used to replace lead-based ammunition in specific applications. Current non-lead ammunition has several limitations that prevent it from replacing lead-based ammunition in many applications such as applications that require ballistics, weapon recoil, and weapon function identical to that of lead-based ammunition.

Breast abscess following nipple piercing : a case report and review of the literature. Nipple piercing gains popularity and social acceptance within the last years, especially among young people. The medical literature reports an increase of complications in the post- piercing period. We report a case of a young woman, who presented with a light enlargement of the right breast and tenderness in the retroareolar region following nipple piercing 5 months ago.

On ultrasound, a poorly marginated hypoechoic lesion was seen which was suspicious of an inflammation. After 1 week of antibiotic therapy, the mass had enlarged. As carcinoma could not be excluded, open biopsy was performed. Histology showed signs of chronic mastitis. To date, only a few reports of breast abscess after nipple piercing have been published.

With the increasing prevalence of body piercing , it is important to document and report infections which may be discovered many months following piercing. Carcinoma can mimic breast abscess and should be included in the differential diagnosis. Pseudomonas aeruginosa necrotizing chondritis complicating high helical ear piercing case report: clinical and public health perspectives. Auricular or high helical ear piercing is an increasingly widespread fashion trend that is associated with an increased risk of potentially serious post- piercing complications such as auricular perichondritis.

An year-old girl developed severe auricular perichondritis following piercing of the upper helical cartilage of her ear at a hairdressing salon. Four days post piercing , she returned to the same salon for a haircut during which the pierced site was manipulated. She presented to her family physician and was treated unsuccessfully with oral cephalexin. She was then referred to an infectious diseases consultant and received antipseudomonal intravenous antibiotics with subsequent resolution.

She also required debridement and removal of necrotic cartilage. Public health investigation evaluated potential sources of infection including the piercing gun, disinfectant solutions, and hair cutting spray water bottles. Final culture results of the ear helical aspirate grew Pseudomonas aeruginosa.

Pseudomonas aeruginosa was also cultured from one of the water bottles used to wet her hair during the haircut. Although the pseudomonal strains from the water bottle were different than the infecting one, this contamination presents a potential source of wound infection. Damage to the helical cartilage caused by the piercing gun may also have contributed to this infection. Initial empiric antibiotic therapy for these kinds of infection must include anti-pseudomonal coverage.

Auricular or high helical ear piercing using a piercing gun is not recommended. Preparing soft-bodied arthropods for arthropods for microscope examination: Armored Scales Insects: Hemiptera: Diaspididae. Proper identification of armored scales Hemiptera: Diaspididae requires preparation of the specimen on a microscope slide. This training video provides visual instruction on how to prepare armored scales specimens on microscope slides for examination and identification.

Steps ranging from collect Ultra-high molecular weight polyethylene UHMWPE is a material increasingly used for fabricating helmet and body armor. In this work, plate specimens consolidated from thin fiber sheets in series and were examined with ultrasound, X-ray and terahertz radiation.

Ultrasonic through-transmission scans using both air-coupled and immersion modes revealed that the series material generally had much lower attenuation than the series, and that certain plates had extremely high attenuation. Due to the relatively low inspection frequencies used, pulse-echo immersion ultrasonic testing could not detect distinct flaw echoes from the interior.

To characterize the nature of the defective condition that was responsible for the high ultrasonic attenuation, terahertz radiation in the time-domain spectroscopy mode were used to image the flaws. Terahertz scan images obtained on the high attenuation samples clearly showed a distribution of a large number of defects, possibly small planar delaminations, throughout the volume of the interior.

Their precise nature and morphology are to be verified by optical microscopy of the sectioned surface. Toroidal midplane neutral beam armor and plasma limiter. For use in a tokamak fusion reactor having a midplane magnetic coil on the inner wall of an evacuated toriodal chamber within which a neutral beam heated, fusing plasma is magnetically confined, a neutral beam armor shield and plasma limiter is provided on the inner wall of the toroidal chamber to shield the midplane coil from neutral beam shine-thru and plasma deposition.

Bluebird still includes a lot of features like cancellation, iteration methods and warnings that native promises don't. If you are using Bluebird for performance rather than for those - please consider giving native promises a shot and running the benchmarks yourself. The github issue tracker is only for bug reports and feature requests. Anything else, such as questions for help in using the library, should be posted in StackOverflow under tags promise and bluebird.

Thanks to BrowserStack for providing us with a free account which lets us support old browsers like IE8. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. Last updated 7 years ago by esailija.

Join us on stackoverflow , the mailing list or chat on IRC Introduction Bluebird is a fully featured promise library with focus on innovative features and performance See the bluebird website for further documentation, references and instructions. Note Promises in Node. Questions and issues The github issue tracker is only for bug reports and feature requests.