Sunday, April 7, 2024
Sunday, April 7, 2024
问题:哪些因素影响银盐片银像的稳定性?照片发黄的主要原因是什么?怎样预防?...
Sunday, December 10, 2023
问题:纤维素的水解反应对档案纸张有什么危害?怎样减少或防止纸张发生纤维素水解?...
Tuesday, December 19, 2023
Sunday, April 7, 2024
问题:例题:某档案库房上午8时,测得库内温度为24℃,相对湿度为71%;库外温度为20℃,相对湿度为74%。问是否能通风降湿?...
Sunday, April 7, 2024
Monday, March 25, 2024
Sunday, April 7, 2024
问题:什么叫磁带的复印效应?产生复印效应的原因有哪些?怎样防止或减弱该效应的产生?...
Saturday, October 14, 2023
Monday, March 25, 2024
Monday, March 25, 2024
Sunday, April 7, 2024
Sunday, April 7, 2024
Monday, March 25, 2024
Sunday, April 7, 2024
Monday, March 25, 2024
Thursday, February 8, 2024
问题:档案修裱用纸应具备哪些性能?常用的修裱有哪几种?...
Tuesday, January 30, 2024
Tuesday, December 19, 2023
问题:什么叫磁带的复印效应?产生复印效应的原因有哪些?怎样防止或减弱该效应的产生?...
Sunday, March 17, 2024