单页烧毁文件摊平软化效果研究
黄李彦1, 张逢振2

Exploration into Flattening and Softening the Burnt Single-sheet Paper to Retrieve Document
HUANG Liyan1, ZHANG Fengzhen2
票据纸不同摊平软化方法效果对比图(a:喷雾法;b:水漂法;c:气熏法;d:涂刷法)