塑料制品上锉除文字的显现研究及原理讨论  

The Development of Characters Filed away on Plastic Products and Its Principles

作　　者：丁斌[1] 李重阳[1] 杨洪国[1] 

机构地区：[1]甘肃政法学院公安分院,甘肃兰州730070

出　　处：《中国司法鉴定》2012年第1期38-41,共4页Chinese Journal of Forensic Sciences

基　　金：甘肃省教育厅研究生导师项目(1107-02)

摘　　要：目的研究塑料制品上损毁文字的加热显现方法,探讨显现原理;方法将盗窃案涉及的常见塑料客体上的凸面文字进行锉除,对文字消除部位进行加热显现;结果清晰显现了几种常见塑料客体上的消除字迹;结论在利用加热法显现塑料客体上消除的文字时,塑料表面损毁程度、客体材质、生产工艺等因素对显现结果产生重要影响。Objective A heating method of developing characters filed away on plastic products was researched and the corresponding principles were discussed. Methods Convex characters were filed away on common plastic materials, then developed by heating with the alcohol lamp. Results The filed characters were clearly developed in the experiment. Conclusion Factors such as damaging degree of characters, properties of plastic materials and manufacture techniques, affect the results of development.

关 键 词：塑料制品 文字 显现 原理 

分 类 号：D918.91[政治法律—法学]