文件人为老化的机理有纸张老化机理和色料老化机理。
The mechanism of artificial ageing are paper ageing and color ageing.
在48天的时间里，三个原色纸张样品在三个模拟不同环境条件的反应堆中迅速老化。
For 48 days, three unbleached paper samples aged rapidly in reactors that simulated different environmental conditions.
采用热重-质谱联用（TDG-MS）技术研究纸张上蓝色签字笔墨水在人为老化过程中组分的变化情况。
TDG-MS was applied to study the composition changing of blue gel pen inks on paper during artificial ageing at the time of this study.
如果文物本身就是污染物来源，例如酸性纸张、或者已经老化的醋酸纤维胶片，我们怀疑通风也不可能起到的很大作用。
It must be doubted that ventilation has any significant effect on the preservation of objects which themselves are the pollution source, such as stacks of acid paper, or decaying acetate film sheets.
如果文物本身就是污染物来源，例如酸性纸张、或者已经老化的醋酸纤维胶片，我们怀疑通风也不可能起到的很大作用。
It must be doubted that ventilation has any significant effect on the preservation of objects which themselves are the pollution source, such as stacks of acid paper, or decaying acetate film sheets.
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