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hu qi zhong zuo han liang ce ding de yan jiu
Author(s): 
Pages: 36-40
Year: Issue:  4
Journal: Radiation Protection

Keyword:  活性炭吸附法含量测定闪烁室活性炭管吸附系数干燥器测试装置气体流量计卫生研究所天然放射性元素;
Abstract: <正> 镭是一种毒性强的、亲骨性的天然放射性元素。确定人体内镭的含量,通常是根据被查者体内镭所产生的子体γ辐射和由镭所产生的氡来确定。第一种方法是利用局部和全身的γ计数装置进行测量,此方法设备复杂,装置困难,第二种方法是利用呼气中所含的氡进行测
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