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首页> 外文期刊>Journal of Radioanalytical and Nuclear Chemistry: An International Journal Dealing with All Aspects and Applications of Nuclear Chemistry >A pilot study for dose evaluation in high-level natural radiation areas of Yangjiang, China
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A pilot study for dose evaluation in high-level natural radiation areas of Yangjiang, China

机译：阳江高空自然辐射区剂量评估的初步研究

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摘要

A pilot study to measure ambient gamma dose rate and radon and thoron progeny concentrations was made for eight dwellings selected in Yangjiang, China. Indoor and outdoor ambient gamma dose rates were 110-370 and 100-220 nGy h(-1), respectively. Doses received from indoor terrestrial radiation were estimated to be 0.6-1.8 mSv year(-1). Radon, thoron and thoron progeny concentrations were 19-98, 18-1120 and 0.4-10.3 Bq m(-3), respectively. This pilot study showed that the position of passive-type monitors to be placed and the deployment period should be carefully determined for estimating reliable annual average concentrations.
机译：对中国阳江市选定的8处住宅进行了一项测量环境伽马剂量率以及ra和tho子代浓度的试点研究。室内和室外环境伽玛剂量率分别为110-370和100-220 nGy h（-1）。从室内地面辐射接收到的剂量估计为0.6-1.8 mSv年（-1）。 ，和and的子代浓度分别为19-98、18-1120和0.4-10.3 Bq m（-3）。这项初步研究表明，应仔细确定要放置的被动式监视器的位置和部署时间，以估算可靠的年平均浓度。

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