| 金杰坤,张文涛.长沙市一居民小区室区内外环境氡水平调查[J].南华大学学报(自然科学版),2004,(2):99~102.[.The Investigantion of Indoor Rador Concentration in a Community of Changsha[J].Journal of University of South China(Science and Technology),2004,(2):99~102.] |
| 长沙市一居民小区室区内外环境氡水平调查 |
| The Investigantion of Indoor Rador Concentration in a Community of Changsha |
| 修订日期：2004-02-25 |
| DOI： |
| 中文关键词: 氡,氡浓度,相对贡献 |
| 英文关键词:radon,radon concentration,relative contribution, |
| 基金项目: |
| 金杰坤 张文涛 |
湖南省环保局辐射环境监督站 湖南长沙410007
(金杰坤)
，中国辐射防护研究院 山西太原030006(张文涛)
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| 中文摘要: |
| 报道了长沙市一居民小区几十间住户室内外环境中氡及其子体浓度,给出了不同类型房屋中不同电离辐射来源的相对贡献,调查结果表明:该小区不同类型住户地下室、平房、楼房内氡的主要来源是土壤和建材中的氡析出,分别占83.77%、59.78%、51.49%.室外空气、室内用水和液化气中的氡对室内氡浓度的贡献相对较少. |
| 英文摘要: |
| The author report the indoor and outdoor concentration of?(~(222)Rn) and it's decay products in tens of houses in a community of Changsha city,and gave the relative contribution of different ?(~(222)Rn) source in different kinds of houses.The results indicate that the main source of the indoor radon in the basements,the single-story houses and the houses of the buildings of two or more stories in this community are?(~(222)Rn) released from the earth and building materials.The rates are 83.77%,59.78% and 51.49% respectively.The indoor radon from outdoor air,the drinking water,and the liquefied gasoline gas are relatively low. |
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