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xian chang yan jiu hai shui de zhong zi fang fa
Author(s): 
Pages: 88
Year: Issue:  3
Journal: Ocean Technology

Keyword:  现场研究海水热中子测量误差曝光时间方法苏联原理文献量子辐射;
Abstract: <正> 苏联文献介绍的现场研究海水用的中子法是以放对性同位素氯源和中子管为基础、以记录热中子和热中子的γ量子辐射为原理。借助于这种方法可以确定海水氯度,在几秒曝光时间内,其测量误差为0.02克/升。这种方法可测量海水中的氯、钠含量。其相对误差分别为0.5和0.01。根据这个低能γ辐射误
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