Thorium

  • 文章类型: Journal Article
    放射性核素摄入后的剂量评估需要应用生物动力学和剂量测定模型以及有关影响最终结果的因素的假设。2006年,发表了一份为这种评估提供指导的文件,通常被称为IDEAS指南。在其发表之后,在欧洲网络CONRAD和EURADOS内成立了一个工作组,以改进和更新IDEAS指南。这项工作产生了IDEAS指南的第2版,该报告于2013年以EURADOS报告的形式发布。保持了原始文件的总体结构;然而,包括了新的程序,例如,用于(3)H的直接剂量评估方法或应用NCRP伤口模型的伤口病例的特殊程序。此外,信息更新和扩展,例如,关于U的饮食排泄的数据,Th,尿液和粪便的Ra和Po或不同生物测定测量技术的检测限的典型值和可实现值。
    Dose assessment after intakes of radionuclides requires application of biokinetic and dosimetric models and assumptions about factors influencing the final result. In 2006, a document giving guidance for such assessment was published, commonly referred to as the IDEAS Guidelines. Following its publication, a working group within the European networks CONRAD and EURADOS was established to improve and update the IDEAS Guidelines. This work resulted in Version 2 of the IDEAS Guidelines, which was published in 2013 in the form of a EURADOS report. The general structure of the original document was maintained; however, new procedures were included, e.g. the direct dose assessment method for (3)H or special procedure for wound cases applying the NCRP wound model. In addition, information was updated and expanded, e.g. data on dietary excretion of U, Th, Ra and Po for urine and faeces or typical and achievable values for detection limits for different bioassay measurement techniques.
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