单页烧毁文件摊平软化效果研究
, 张逢振Exploration into Flattening and Softening the Burnt Single-sheet Paper to Retrieve Document
HUANG Liyan1 , ZHANG Fengzhen2
, ZHANG Fengzhen
单页烧毁文件摊平软化效果研究 |
|
黄李彦, 张逢振 |
Exploration into Flattening and Softening the Burnt Single-sheet Paper to Retrieve Document |
|
HUANG Liyan
, ZHANG Fengzhen |
| 12%丙三醇水溶液作为软化剂时票据纸上不同工具书写痕迹的显现效果（a：黑色签字笔;b：蓝色圆珠笔;c：红色签字笔;d：2B铅笔） |
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