| 远近夹持方式对凸齿钥匙上仿形刀痕迹倾斜角度的影响 |
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| 引用本文： | 陈兴全,马力,马元元,吴连魁. 远近夹持方式对凸齿钥匙上仿形刀痕迹倾斜角度的影响[J]. 中国司法鉴定, 2013, 0(3): 66-67,71 |
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| 作者姓名： | 陈兴全 马力 马元元 吴连魁 |
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| 作者单位： | 1. 重庆市公安局刑警总队,重庆,400021
2. 武汉市公安局 新洲分局 刑事技术室 湖北武汉430000 |
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| 摘 要： | 目的 探索远近两种夹持方式对凸齿钥匙上仿形刀痕迹倾斜角度的影响.方法 用铝板制作相同坡长、不同齿坡角的凸齿钥匙模型,在远近两种夹持方式下模拟增配过程,观察并总结钥匙上仿形刀痕迹倾斜角度的变化.结果 两种夹持方式下的仿形刀痕迹倾斜角相等.结论 远近夹持不影响仿形刀痕迹倾斜角度.
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| 关 键 词： | 凸齿钥匙 增配 仿形刀痕迹 倾斜角 |
The Influence of Clamping Distance on the Inclination Angle of Duplicated Trace on Convex Tooth Key |
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| CHEN Xing-quan,MA Li,MA Yuan-yuan,WU Lian-kui. The Influence of Clamping Distance on the Inclination Angle of Duplicated Trace on Convex Tooth Key[J]. Chinese Journal of Forensic Sciences, 2013, 0(3): 66-67,71 |
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| Authors: | CHEN Xing-quan MA Li MA Yuan-yuan WU Lian-kui |
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| Affiliation: | 1.Criminal Investigation Corps,Chongqing Public Security Bureau,Chongqing 400021,China;2.Xinzhou Branch,Wuhan Public Security Bureau,Wuhan 430000,China) |
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| Abstract: | Objective To explore the influence of the clamping distance on the inclination angle of duplicated trace on convex tooth key.Method Convex tooth key models of same slope length but different tooth slope angles were made with aluminum plate.The duplication of these model keys with two clamping distances was simulated.The change of the inclination angles of duplicated trace was summarized.Results The inclination angles of duplicated trace are equal with two clamping distances.Conclusion The clamping distance does not affect the duplicated trace’s inclination angle. |
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| Keywords: | convex tooth key duplication duplicated trace inclination angle |
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