广东省部分地区土壤放射性核素的测定和剂量评估
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杨剑洲, 龚晶晶, 唐世新, 胡树起
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The determination of radioactivity concentrations in soil samples and dose assessment in parts of Guangdong Province
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Jian-Zhou YANG, Jing-Jing GONG, Shi-Xin TANG, Shu-Qi HU
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表2 土壤样品中主要放射性核素含量
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Table 2 The major activity concentration of soil samples
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| 测试地点 | 238U含量/(Bq/kg) | 232Th含量/(Bq/kg) | 226Ra含量/(Bq/kg) | 40K含量/(Bq/kg) | | 样品数 | 范围 | 均值±标准差 | 范围 | 均值±标准差 | 范围 | 均值±标准差 | 范围 | 均值±标准差 | | 广东(本次) | 49 | 17.9~209.1 | 84.3±52.9 | 10.6~263.8 | 103.0±67.5 | 12.0~206.0 | 77.7±52.4 | 15.3~1557.6 | 463.3±389.5 | | 广东 | 144 | 12.4~186.8 | 71.2 | 1.0~152.7 | 57.2 | 2.4~134.6 | 50.8 | 35.8~1131.5 | 414.5 | | 福建 | 143 | 13.9~136.0 | 55.2 | 19.5~260.0 | 96.3 | 18.0~201.0 | 62.0 | 24.0~627.0 | 609 | | 格鲁吉亚M.区 | 22 | 14.9~59.1 | 25.4 | 17.6~54.9 | 26.9 | | | 243~784 | 464 | | Rize省(土耳其) | 24 | 7.4~79.8 | 24.5 | 9.5~170.8 | 51.8 | 59.4~168.0 | 94.9 | 35.7~913.8 | 344.9 | | 中国 | 7759 | 1.8~520.0 | 38.5 | 1.0~437.8 | 54.6 | 2.4~425.8 | 37.6 | 11.5~2185.2 | 584.0 | | 世界 | | | 33 | | 45 | | 32 | | 412 |
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