油浸法鉴别汽车后视镜玻璃的研究 |
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引用本文: | 李磊,权养科,郭洪玲,陶克明. 油浸法鉴别汽车后视镜玻璃的研究[J]. 刑事技术, 2008, 0(3): 20-22 |
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作者姓名: | 李磊 权养科 郭洪玲 陶克明 |
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作者单位: | 1. 中国人民公安大学,北京,100038 2. 公安部物证鉴定中心,北京,100038 |
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摘 要: | 目的研究油浸法对汽车后视镜玻璃的鉴别能力。方法应用油浸法对20种汽车后视镜玻璃进行折射率值测定并用t检验法对数据进行处理。结果在置信度为95%时,20个后视镜玻璃样品的区分率为97.9%。结论油浸法对汽车后视镜玻璃有很好的区分能力,而且使用样品量少,可以达到微克级,是一种鉴别后视镜玻璃的有效方法。
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关 键 词: | 油浸法 后视镜玻璃 折射率 |
文章编号: | 1008-3650(2008)03-0020-03 |
修稿时间: | 2007-06-25 |
Discrimination of rear view mirror glass fragment by oil immersion method |
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Affiliation: | LI Lei, QUAN Yang-ke, GUO Hong-ling , et al. ( Chinese People's Public Security University, Beijing 100038, China) |
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Abstract: | Objective Rear view mirror glass is frequently encountered to forensic scientists in both criminal and civil cases.In our work,Twenty types of rear view mirror glass from different automobiles were investigated by GRIM(glass refractive index measurement). The results showed that most types of rear view mirror glass can be discriminated by refractive index. |
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Keywords: | oil immersion method rear view mirror glass refractive index |
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