枪支对多层和组合障碍物进行转移的事实和特殊性

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论证目前确定一个人是否通过某一特定类型的障碍物或由于障碍物反跳被枪支受伤,以及识别障碍物材料的问题几乎没有研究。

研究目的——确定用卡拉什尼科夫特殊缩短型步枪的5.45×39子弹发射时,枪支对多层和组合障碍物(三合物、陶瓷花岗岩和泡沫混凝土组合障碍物)进行转移的事实和特殊性。

材料与方法。从5米远的地方通过各种类型的障碍物向一个生物人体模拟器进行了射击。用Sony RX0摄像机以1000帧/秒的速度对所有的试验进行了高速视频记录。对从弹夹或生物目标组织中回收的子弹和子弹碎片进行处理后用Leica M125显微镜、Hitachi FlexSem 1000 II扫描电子显微镜和Bruker Quantax 80能量色散光谱仪进行了检查。

结果。对穿透障碍物的射弹进行的光镜检查显示,当子弹穿透所检查的每种类型的障碍物时,都有一种特有的变形。扫描电子显微镜(SEM)和能量色散分析(EDX)显示,在每一种情况下,变形的子弹及其弹壳和弹芯的碎片的所有表面都存在颗粒覆盖层。

结论。进行的试验研究证明,通过扫描电子显微镜(SEM/EDX),有可能可靠地检测出穿过多层和组合的障碍物人类枪伤的事实。

作者简介

Vera A. Kuzmina

Chief State Center for Forensic Medicine and Forensic Expertise 111

Email: kuzminava@yandex.ru
ORCID iD: 0000-0003-0694-673X
SPIN 代码: 1167-4112
俄罗斯联邦, Moscow

Pavel V. Pinchuk

Chief State Center for Forensic Medicine and Forensic Expertise 111; The Russian National Research Medical University named after N.I. Pirogov

Email: pinchuk1967@mail.ru
ORCID iD: 0000-0002-0223-2433
SPIN 代码: 7357-3038

MD, Dr. Sci. (Med.), Associate Professor

俄罗斯联邦, Moscow; Moscow

Sergey V. Leonov

Chief State Center for Forensic Medicine and Forensic Expertise 111; Moscow State University of Medicine and Dentistry named after A.I. Evdokimov

编辑信件的主要联系方式.
Email: Sleonoff@inbox.ru
ORCID iD: 0000-0003-4228-8973
SPIN 代码: 2326-2920

MD, Dr. Sci. (Med.), Professor

俄罗斯联邦, Moscow; Moscow

Marina A. Suhareva

Moscow State University of Medicine and Dentistry named after A.I. Evdokimov

Email: suha@yandex.ru
ORCID iD: 0000-0003-3422-6043
SPIN 代码: 4692-0197

MD, Cand. Sci. (Med.)

俄罗斯联邦, Moscow

参考

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  2. Isakov VD. On the issue of the interaction of a bullet with an obstacle. In: Current issues of the theory and practice of forensic medicine: Materials of the scientific and practical conference dedicated to the 40th anniversary of the lifting of the siege of Leningrad and the complete liberation of the Leningrad region from the German-fascist invaders. Leningrad; 1986. (In Russ).
  3. Gusentsov AO. Forensic diagnostics of entrance bullet gunshot injuries resulting from ricochet [dissertation abstract]. Minsk; 2013. 23 р. (In Russ).
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  8. Thornton JI, Cashman PJ. The effect of tempered glass on bullet trajectory. J Forensic Sci. 1986;31(2):743–746.
  9. Kerkhoff W, Alberink I, Mattijssen EJ. An empirical study on the relation between the critical angle for bullet ricochet and the properties of wood. J Forensic Sci. 2015;60(3):605–610. doi: 10.1111/1556-4029.12738
  10. Vermeij E, Rijnders M, Pieper P, Hermsen R. Interaction of bullets with intermediate targets: material transfer and damage. Forensic Sci Int. 2012;223(1-3):125–135. doi: 10.1016/j.forsciint.2012.08.016

补充文件

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1. JATS XML
2. Fig. 1. Type of bullets of the 5.45×39 cartridge: а ― after breaking through the triplex barrier; b ― after breaking through the combined barrier of porcelain stoneware with foam concrete, as well as a biological target.

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3. Fig. 2. Frame-by-frame reproduction of the passage of a firearm projectile through an obstacle and a biological target: а ― triplex; b ― a combined barrier of granite and foam concrete.

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4. Fig. 3. Electronogram of overlays on the bullet shell after its passage through a triplex (a) and a combined barrier of porcelain stoneware with foam concrete and a biological target (b) with visualization of the distribution of chemical elements.

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