多次测定法确定蓝色圆珠笔字迹形成时间

›› 2008 ›› Issue (04): 26-29.

多次测定法确定蓝色圆珠笔字迹形成时间

梁鲁宁;杨爱东;田丽丽;

公安部物证鉴定中心;

Dating of Ball Point Pen Ink Writings by Successive Measurements at Different Times

LIANG Lu-ning, YANG Ai-dong, TIAN Li-li (Institute of Forensic Science, Ministry of Public Security, Beijing 100038, China)

摘要/Abstract

摘要： 通过研究相隔一定时间的多次测定数据的变化规律与书写时间的内在关系,建立了部分近期书写的圆珠笔字迹形成时间的检验方法,确定了相隔一定时间的两次测定数据的变化规律与书写时间内在关系的判定阀值。形成了无需对照样本即可判定部分圆珠笔字迹是否近期书写的检验方法。

关键词: 圆珠笔字迹, 书写时间, 多次测定法

Abstract: The dissolving time of ball point pen inks of different age writings was measured at successive times and its relationship with the writing time was analyzed. The changing trend of the dissolving time was established and the threshold, which differentiates the freshness of writings, was determined. The method of successive measurements could be used to examine whether a ball point ink entry is written recently without comparison with standard samples.

Key words: ball point ink writing, writing time, successive measurement method

梁鲁宁;杨爱东;田丽丽;. 多次测定法确定蓝色圆珠笔字迹形成时间[J]. , 2008(04): 26-29.

LIANG Lu-ning;YANG Ai-dong;TIAN Li-li (Institute of Forensic Science;Ministry of Public Security;Beijing 000;China). Dating of Ball Point Pen Ink Writings by Successive Measurements at Different Times[J]. , 2008(04): 26-29.

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