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USE OF VARIOUS MICRODOSIMETRIC MODELS FOR THE PREDICTION OF RADON INDUCED DAMAGE IN HUMAN LUNGS

机译:各种微量计量模型用于预测RA引起的人体损伤

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摘要

Exposure to radon and radon decay products in some residential areas and at workplaces constitutes one of the greatest risks from natural sources of ionising radiation. Recently, increasing attention has been paid to the precise estimations of this health risk by numerous models. The compartmental model published in ICRP Publication 66 (HRTM) has been used for calculating alpha activity concentration in human lung. Energy deposition in the tissue was calculated by the Bethe-Bloch equation. The aim of this study was to check the performance and to compare the reliability of the microdosimetric models. In this work different thicknesses of mucus in the cases of non-smokers and smokers has been considered. Transformed cells were considered as the radiation risk parameters. The radiation risk evaluation for different exposure levels was based on homogeneous and heterogeneous distributions of target cells. The results of application of these procedures were compared with the epidemiological study of Czechoslovakian uranium miners.
机译:在某些居民区和工作场所暴露于ra和decay衰变产物构成了自然电离辐射源的最大风险之一。近来,越来越多的注意力被许多模型用于这种健康风险的精确估计。 ICRP出版物66(HRTM)中发布的间隔模型已用于计算人肺中的α活性浓度。通过Bethe-Bloch方程计算组织中的能量沉积。这项研究的目的是检查性能并比较微剂量模型的可靠性。在这项工作中,已考虑到非吸烟者和吸烟者的粘液厚度不同。转化细胞被认为是辐射风险参数。针对不同暴露水平的辐射风险评估基于靶细胞的均质和非均质分布。将这些程序的应用结果与捷克斯洛伐克铀矿工的流行病学研究进行了比较。

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  • 来源
    《Radiation Protection Dosimetry》 |2003年第2期|p.127-137|共11页
  • 作者

  • 作者单位

    Faculty of Mathematics and Physics, Comenius University Mlynska dolina F1 842 48 Bratislava, Slovak Republic;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TL72;
  • 关键词

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