Potential of High Thoron Exposure in China

Potential of High Thoron Exposure in China
复制标题

中国高钍暴露的潜力

DOI:
10.1080/18811248.2000.9714948
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发表时间:
2000-08
期刊:
J of Nuclear Science and Technology
影响因子:
--
通讯作者:
Qiuju Guo
Qiuju Guo
中科院分区:
其他
文献类型:
--
作者:
Qiuju Guo

文献摘要

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在天然辐射领域,与氡(222Rn)及其子体相比,Thoron(220Rn)及其子体还没有得到很好的研究。本文综述了影响中国室内氚及其子代水平的一些重要因素(土壤和建筑材料中的232Th含量以及建筑结构)。小规模调查的有限结果也被引用。这些事实表明,吸入钍的公众暴露量可能高于UNSCEAR 1993年报告中的代表性数值,在中国的一些地区或特定居民点,钍及其子体可能是一种重要的室内污染物。
Compared with radon (222Rn) and its progeny, thoron (220Rn) and its progeny have not been well studied in the natural radiation fields. In this paper, some important factors (232Th content in soil and building material as well as building structure) relating to the level of indoor thoron and its progeny in China are reviewed. Limited results of small-scale surveys are also cited. The facts indicate that the public exposure from the inhalation of thoron progeny may be higher than the representative value in the UNSCEAR 1993 report, and thoron and its progeny may be a significant indoor pollutant in some regions or specific dwellings in China.
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