(4) of the paper when paper moisture content of exorbitance, dilative, softens and high tensile strength, ductility, Business card printing and membership card making during imprinting couldn't drying or moisture content is too low, paper brittle, shrinkage, delicate and fracture, and into the effects of static electricity, making cards and membership cards made to work correctly.
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An acidic chemical reaction is produced which turns the paper brittle and discolored.
会出现一种酸性化学反应。这种反应会使纸变脆和褪色。
According to fracture mechanics concepts, the essence of paper brittleness has been approached in this paper. Brittle constant-B is introduced to evaluate paper brittleness.
本文从断裂力学的角度探讨了纸张发脆的本质，提出了用脆性常数B来反映纸张脆性的大小。
In this paper, the experimental investigation is made on the grinding of single brittle materials.
对单晶硅脆性材料的超精密磨削加工作了大量的实验研究。
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