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本文描述了放射性核素活度计量的用途,国际权度局组织的历次国际比对,统一活度计量的工作。介绍了测量放射性核素活度主要方法,研究方向;常用的医用核素和传递比对情况。
This article describes the use of radionuclide activity measurements, the International Authorities’ previous international comparisons and harmonization of activity measurements. The main methods and research directions for measuring radionuclide activity are introduced. Commonly used medical radionuclides and transmission comparison are introduced.