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| 1 | Experimental study of bullet-proofing capabilities of Kevlar, of different weights and number of layers, with 9mm projectiles显示文摘Kevlar is the most commonly used material as armour for protection against bullets used in hand guns because of its impact resistance, high strength and low weight. These properties make Kevlar an ideal material to be used in bullet-proof vests as compared to other materials. In the present study, different numbers of layers of Kevlar with different weights are tested to determine the weights and the number of layers needed to design a safe bullet-proof vest. For this purpose, several ballistic tests were performed on combinations of ballistic gel and Kevlar layers of different weights. Ballistic impacts are generated by 9 mm Parabellum ammunition. The objective is to assess the characteristics of high-speed ballistic penetration into a combination of a gel and Kevlar and determine the number of layers needed to safely stop the 9 mm bullet and thereby contribute to the design of safe bullet-proof vests. The tests provide information on the distances the bullets can travel in a gel/Kevlar medium before they are stopped and to identify the resistance capabilities of Kevlar of different grams per square meter(GSM). The tests were conducted with the use of a chronograph in a controlled test environment. Specifically, results identify the number of layers of Kevlar required to stop a 9 mm Parabellum projectile, and the effectiveness of using different number of layers of GSM Kevlar material. | Riaan Stopforth Sarp Adali | 2019 | Defence Technology(防务技术)2019，15，2： | 2 |
| 2 | Modeling the effect of inoculum size and acid adaptation on growth/no growth interface of Escherichia coli O157:H7显示文摘 | Skandamis P N Stopforth J D Kendall P A | 2007 | International Journal of Food Microbiology2007，120，3： | 1 |
| 3 | Escherichia coli O157: H7 survival, hiofilm forma- tion and acid tolerance under simulated slaughter plant moist and dry conditions显示文摘 | Skandamis P N Stopforth J D AshtonL V | 2009 | Food Microbiolo- gy2009，26，1： | 1 |
| 4 | Customizable rehabilitation lower limb exoskeleton system显示文摘 | Stopforth R | 2012 | International Journal of Advanced Robotic Systems2012，26，9： | 1 |
| 5 | Growth andstress resistance variation in culture broth amongListeria monocytogenes strains of various serotypesand origins显示文摘 | Lianou A Stopforth JD Yoon Y | 2006 | Journal of Food Protection2006，69，11： | 1 |
| 6 | , Growth and stress resistance variation in culture broth among Listeria monoeytogenes strains of various serotypes and origins 显示文摘 | Lianou A Stopforth JD Yoon Y | 2006 | Journal of Food Protection2006，69，11： | 1 |
| 7 | Validation of individual and multiple-sequential interventions for reduction of microbial populations during processing of poultry carcasses and parts 显示文摘 | STOPFORTH J D OCONNOR R LOPES M | 2007 | J Food Prot2007，70，6： | 1 |
| 8 | Modeling the effect ofstorage atmosphere on growth - no growth interface of Listeria monocytogenesas a function of temperature, sodium lactate, sodium diacetate and NaQ显示文摘 | SKANDAMIS P N STOPFORTH J D YOON Y | 2007 | Journal of Food Protection2007，70，10： | 1 |
| 9 | Modeling the effect of inoculum size and acid adaptation on growth/no growth inter- face of Escherichia coli O157: H7显示文摘 | Skandamis P Stopforth J Kendall P | 2007 | International Journal of Food Microbiology2007，120，3： | 1 |
| 10 | Validation of individual and multiple-sequential interventions for reduction of microbial populations during processing of poultry carcasses and parts显示文摘 | STOPFORTH J D O'CONNOR R LOPES M | 2007 | Journal of Food Protection2007，70，6： | 1 |
| 11 | Modeling the effect of inoculum size and acid adaptation on growth/no growth interface of Escherichia coli O157:H7显示文摘 | P.N. Skandamis J.D. Stopforth P.A. Kendall K.E. Belk J.A. Scanga G.C. Smith J.N. Sofos | 2007 | International Journal of Food Microbiology2007，，3： | 1 |
| 12 | Modeling the effect of inoculum size and acid adaptation on growth/no growth interface of Escherichia coli O157:H7显示文摘 | Skandamis P N Stopforth J D Kendall P A | 2007 | International Journal of Food Microbiology2007，120，3： | 1 |
| 13 | Modeling the effect of inocnlum size and acid adaptation on growth/no growth interface of Escherichia coli O157 : H7显示文摘 | Skandamis P N Stopforth J D Kendall P A | 2007 | International Journal of Food Microbiology2007，120，3： | 1 |
| 14 | The analysis of estrone and 17-estradiol by stir bar sorptive extraction thermal desorption gas chromatograph mass spectrometry: Application to urine samples after oral administration of conjugated equine estrogens 显示文摘 | Stopforth A Burger B V Crouch A M | 2007 | J Chromatogr B2007，856，： | 1 |
| 15 | Influence of organic acid concentration on survival of Listeria monocytogenes and Escherichia coli 0157:H7 in beef carcass wash water and on model equipment surfaces 显示文摘 | Stopforth J D Samelis J Sofos J N | 2003 | Food Microbiology2003，20，6： | 1 |
| 16 | Modeling the effect of inoculum size and acid adaptation on growth / no growth interface of Escherichia coli O 157:H7显示文摘 | Skandamis P N Stopforth J D Kendall P A | | 0，，03： | 1 |
| 17 | The analysis of estrone and 17beta-estradiol by stir bar sorptive extraction-thermal desorption-gas chromatography/mass spectrometry: application to urine samples after oral administration of conjugated equine estrogens显示文摘 | Stopforth A Burger BV Crouch AM et at | 2007 | 1 Chromatogr B Analyt Technol Biomed Life Sci2007，856，12： | 1 |
| 18 | Quad-rotor unmanned aerial vehicle helicopter modeling and control 显示文摘 | NAIDOO Y STOPFORTH R BRIGHT G | 2011 | International Journal of Advanced Robotic Systerm2011，8，4： | 1 |
| 19 | 创意新生代——2018伦敦New Designers展览显示文摘New Designers 2018展览将于今年的6月27日至7月7日在伊斯灵顿商业设计中心举办。作为已有33年历史的"New Designers"是英国最前沿的设计展览之一,每年都有许多英国的设计新星从中崭露头角。今年夏天,New Designers将会精心挑选3000多位年轻的在读设计师的作品呈现给观众,有大部分是从未面世的毕业生作品。展会旨在挖掘新生代的优秀设计师,让大众了解新生代设计师的想法与理念,通过创意的碰撞让灵感迸发。 | Alice Funge Angie Packer Azmy Anything Anna Manfield Alex O'Connor Silver Bronwen Grieves Dominika Kupcova Laura-Jane Atkinson Leszek Sikon Vlajeda Clarke Verity Howard Vanessa Stopforth Yeshen Venema 范嘉苑 | 2018 | 现代装饰2018，0，5： | 0 |
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