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阐述了消退文件所用消退剂的化学消退机理 ,对常见消退剂消退各种文字色料的效果及消退剂种类和成分的物理仪器检出进行了实验研究。
The chemical regressive mechanism of retarders used in extinction documents was expounded. The effects of common retarders on the extinction of various colored pigments and the detection of physical instruments for the types and components of dissipating agents were investigated.