射击球形弹丸气枪的研究
The Research Globular-pellet Air Rifles
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- Keywords: Shooting; Globular-pellet; Air rifles射击; 球形弹丸; 气枪
- Abstract: This article has briefly introduced the characteristic, varieties, structure, motive power ways, working theory, pellet’s feature and the gas applied of the globular-pellet air rifles. These content come from “the research on distinguishing the globular-pellet air rifles” scientific research subject of the ministry of public security, and it is prepared for investigators to test air rifles and pellet.本文较详细地介绍了射击球形弹丸气枪的特征，射击弹丸的特点，使用的气体、动力方式，枪支的结构、工作原理，以及枪支种类等内容；这些内容出自《射击球形弹丸气枪识别的研究》公安部科研课题的研究成果，供枪弹检验及办案人员了解、使用。
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常用血、潜血手印显现液和紫外光对人血种属、DNA检验的影响及检验方法的研究
Effect and Testing Methods of DNA Analysis and Blood species identified after detected by common Detecting-latent blood/blood-fingerprint Reagents and Ultraviolet ray
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- Keywords: Latent blood fingerprint; Disclosing solution; Ultraviolet ray; Human blood species; DNA testing显现液; 紫外光; DNA; 影响; 检验方法
- Abstract: To explore the influences of latent blood/blood-fingerprint disclosing solutions on the following DNA analysis and human blood species identified, the team tested more than 3000 samples with two wavelength Ultraviolet ray and seven common methods of Detecting-latent blood/blood-fingerprint. The results showed that the 365nm Ultraviolet ray made on difference on the following DNA testing compared to the 254nm Ultraviolet ray. The six disclosing solutions made on difference on the following DNA testing of latent blood/bloodfingerprint after stored for ten months, expect for super-developer of latent blood fingerprint-blue. And the BBI, coomassie brilliant blue and amido black 10B should be priority selected because they had higher testing ability and fewer influences on DNA testing.本文重点介绍了七种常见血、潜血手印显现液及常见的254nm、365nm紫外光对人血种属、DNA检验的影响及检验方法的研究课题成果。
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