| Gamma radiation levels in the ambient environment of the QNPP Base |
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| 作者姓名： | WENG Jianqing HE Jun XIANG Yuanyi WANG Kan LI Xia HAN Zhengdong |
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| 作者单位： | Zhejian g Province Environmental Radiation Monitoring Center，Hangzhou 310012，China |
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| 摘 要： | Monitoring results of gamma dose rate level in 1992～2004 in the ambient environment of the Qinshan Nuclear Power Plants(QNPP)Base,the northeast of Zhejiang Province,are reported in this paper.It is shown that the gamma dose rate of five monitoring sites of 2.5 km to QNPP Base is 84～113 nGy/h,with an average of 96 nGy/h in the 13 years.The average value is close to the background level of 93 nGy/h prior to operation of the QNPP Base,and is lower than the monitoring result of 101 nGy/h at the reference site in Hangzhou City.Within 50 km from the QNPP Base,the cumulative dose rate of the thermoluminescent dosimeter(TLD)is 90 nGy/h,which is lower than the back- ground level of 111 nGy/h.
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| 关 键 词： | α射线 环境辐射 监测系统 辐射污染 |
| 收稿时间： | 7 March 2007. |
Gamma radiation levels in the ambient environment of the QNPP Base |
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| WENG Jianqing HE Jun XIANG Yuanyi WANG Kan LI Xia HAN Zhengdong.Gamma radiation levels in the ambient environment of the QNPP Base[J].Nuclear Science and Techniques,2007,18(6):366-371. |
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| Authors: | WENG Jianqing HE Jun XIANG Yuanyi WANG Kan LI Xia HAN Zhengdong |
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| Affiliation: | Zhejiang Province Environmental Radiation Monitoring Center, Hangzhou 310012, China |
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| Abstract: | Monitoring results of gamma dose rate level in 1992-2004 in the ambient environment of the Qinshan Nuclear Power Plants(QNPP)Base,the northeast of Zhejiang Province.are reported in this paper.It is shown that the gamma dose rate of five monitoring sites of 2.5 km to QNPP Base is 84-113 nGy/h.with an average of 96 nGy/h in the 13 years.The average value is close to the background level of 93 nGy/h prior to operation of the QNPP Base,and is lower than the monitoring result of 101 nGy/h at the reference site in Hangzhou City.Within 50 km from the QNPP Base,the cumnlative dose rate of the thermoluminescent dosimeter(TLD)is 90 nGy/h,which is lower than the background level of 111 nGy/h. |
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| Keywords: | Gamma dose rate Environmental radiation monitoring Qinshan NPP HPIC TLD Base environment ambient levels radiation dosimeter reference site Hangzhou City lower results prior operation value background average paper Zhejiang Province Monitoring |
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