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      Determination and analysis of monitoring period and measuring duration of personal internal exposure dose

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          Abstract

          Objective To develop a reasonable plan of monitoring personal internal exposure dose.

          Methods This paper introduced the methods of monitoring the individual dose and direct measurement of three representative radionuclides.

          Results The maximum monitoring periods were determined according to the radionuclide retention characteristics and the reporting standards and requirements, which were m(1)/ m( T/2) ≤ 3 and m( T/2)/ m( T) ≤ 3. The lower detection limit of the instrument was derived from the monitoring periods and the annual radionuclide intake limit, which should be lower than the derived method detection limit of the corresponding radionuclide. Then the measuring duration of the instrument that meets the corresponding conditions was derived from the derived method detection limit of the instrument and the maximum monitoring period.

          Conclusion Our results provide a reference for the formulation of a plan of monitoring personal internal exposure dose.

          Abstract

          摘要: 目的 为了制定合理的内照射个人剂量监测计划; 方法 本文介绍内照射个人剂量监测、直接测量方式中, 具 有代表性的 3 类监测放射性核素及其配套监测方法; 结果 针对核素滞留特性和报告标准要求分析其相应的最大监 测周期, 达到 m(1)/ m( T/2) ≤ 3, m( T/2)/ m( T)≤ 3, 根据监测周期和核素的年摄入量限值推导出相应的仪器探测下限, 以满足其低于相应核素的导出探测下限 DMDL, 再由仪器导出探测下限及最大监测周期推导出满足相应条件的仪器 测量时间; 结论 为内照射个人剂量监测计划的制定提供了参考价值。

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          Author and article information

          Journal
          CJRH
          Chinese Journal of Radiological Health
          Chinese Preventive Medical Association (Ji’an, China )
          1004-714X
          01 June 2023
          01 July 2023
          : 32
          : 3
          : 316-321
          Affiliations
          [1] 1China Institute of Atomic Energy, Beijing 102413 China
          Article
          j.issn.1004-714X.2023.03.018
          10.13491/j.issn.1004-714X.2023.03.018
          7a8faaf0-f2f0-4276-bf66-54aca8729063
          © 2023 Chinese Journal of Radiological Health

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

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          Categories
          Journal Article

          Medicine,Image processing,Radiology & Imaging,Bioinformatics & Computational biology,Health & Social care,Public health
          Personal dose,Internal exposure monitoring,Monitoring period,Measurement duration

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