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γ能谱法确定CTBT国际比对样品的零时 被引量:5

Dating Zero Time of CTBT Intercomparison Sample by Gamma Spectrometry
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摘要 文章介绍利用不同质量链上两种裂变产物或同一质量链上母子体裂变产物的活度比来确定CT—BT国际比对样品零时的方法。通过2001至2004年度CTBT放射性核素实验室滤材样品的国际比对对方法进行了检验,零时的计算值与参考值在不确定度范围内一致。 The paper introduces the method of dating the zero time by utilizing the activity ratio of two fission products in no-isobaric or parent-daughter fission products in isobaric. The method was applied to determine the zero time of filter sample in the CTBT radionuclide laboratories intercomparison from 2001 to 2004. The calculated results are very good agreement with referent values in the range of uncertainty.
出处 《原子能科学技术》 EI CAS CSCD 北大核心 2006年第B09期117-121,共5页 Atomic Energy Science and Technology
关键词 零时 活度比 裂变产物 CTBT国际比对 zero time activity ratio fission products CTBT intercomparison
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参考文献8

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同被引文献16

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