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兰州大学
Published:01 February 1997
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[1]孔祥忠,李公平,杨景康,梁国照,董俊明,秦广成,阎爱邦.反符合屏蔽4πβ计数器~3He中微量~3H_2分析装置[J].核技术,1997(02):60-63.
Kong Xiangzhong Li Gongping Yang Jingkang Liang Guozhao Dong Junming Qin Guangcheng Yan Aibang. A microanalytic anticoincidence 4πβ counter for 3H 2 in 3He[J]. Nuclear techniques, 1997, (2).
介绍了一种低本底微量气态氚测量装置的结构、性能以及2He中微量3H2的分析结果。它具有结构简单、动态精度高等优点,定量测量下限为N(3H2)/N(3He)<10-11。
A microanalytic 4πβ counter with anticoincidence shield for 3H 2 in 3He is introduced. As a low background microanalysis device of gaseous tritium
this instrument has advantages such as simple structure
high accuracy and low detection limit [N ( 3H 2) /N( 3He)<10 -11 ]. In this paper the structure and main performance of the counter is described and the test results for 3H 2 in 3He are given.
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