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放射性标准源
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放射性标准源
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radioactive standard source
放射性标准源
性质和活度在某一确定的时间内均为已知,能作为对比标准用的放射性核素,也可作为放射性基准的放射源。又称标准(放射)源。
Chemistry
>放射化学与辐射化学>基础放射化学>释义
radioactive standard source
放射性标准源
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experimental social psychology
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Experimental Study on the Four Tones
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Experimental Theatre of the Shanxi Opera Troupe in Taiyuan City
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Experiments,Models,Paper Tools:cultures of Organic Chemistry in the Nineteenth Century
experiments of turbulent flow
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