真空技术又开拓了一新的应用领域,最近美国国会图书馆求助于美国国家航空和航天局,利用宇航真空模拟试验装置处理书籍已获成功。自从十九世纪中叶以来,出版的大部分书都是印刷在木质纸浆造的纸张上的,一般经过25～100年,这种纸就慢慢变脆,很容易破碎。真空处理书籍的主要目的就是去掉书籍中的 Vacuum technology has opened up a new field of application, the recent US Congress Library turned to the United States National Aeronautics and Space Administration, the use of aerospace vacuum simulation test device to deal with books has been successful. Since the mid-nineteenth century, most of the books published have been printed on paper made from wood pulp. Generally, after 25 to 100 years, the paper becomes brittle and easily broken. The main purpose of vacuuming books is to get rid of the books