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At the NIM a cylindrical cavity ionization chamber has been establishes as primary standard to measure air kerma for 137Cs γ rays.
AIR KERMA STANDARD OF THE NIM FOR 137CS RAYS
【摘 要】
：
At the NIM a cylindrical cavity ionization chamber has been establishes as primary standard to measure air kerma for 137Cs γ rays.
【机 构】
：
NATIONALINSTITUTEOFMETROLOGY,BEIJING,CHINANATIONALINSTITUTEOFMETROLOGY,BEIJING,CHINA;CHENGDUUNIVERIS
【出 处】
：
7th International Symposium on Radiation Safety and Detectio
【发表日期】
：
2013年7期
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