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qing de li zi tan zhen fen xi
Author(s): 
Pages: 193-196
Year: Issue:  3
Journal: Vacuum Science and Technology

Keyword:  离子束样品室二次离子真空度离子探针分析残余气体高密度液氮冷却氢离子动能;
Abstract: <正> 一、离子探针作氢分析的现状和发展氢是地球上相当丰富的天然生成元素,水和有机化合物中都含有大量的氢。它溶解于金属又会造成灾难性的氢脆,因此金属中局部地区氢含量的多少已成为人们十分
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