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云南南部地区某村居民室内氡、钍射气浓度调查 被引量:4

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摘要 目的了解云南省南部地区某村居民室内氡、钍射气及其子体浓度及所致剂量。方法用氡-钍射气鉴别探测器测量室内氡、钍射气浓度,用沉积率装置测量钍射气子体浓度,连续暴露77d。结果调查的48户居民室内氡浓度为112Bq.m-3,钍射气浓度为2139Bq.m-3,平衡当量钍射气子体浓度为8.8Bq.m-3。氡、钍射气及其子体所致居民有效剂量为5.28mSv.a-1。结论云南省南部地区某村居民室内氡的暴露水平较高,同时钍射气及其子体的暴露水平也较高。
出处 《中国辐射卫生》 北大核心 2007年第2期194-195,共2页 Chinese Journal of Radiological Health
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参考文献5

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