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某铀尾矿库中放射性核素对环境的影响

Journal of East China Institute of Technology(Natural Science)(2011)

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Abstract
铀尾矿是铀矿水冶工艺的产物,通常存放于铀尾矿库中。铀尾矿库的放射性核素不仅有如氡及其子体以气态方式扩散进入环境,而且还能随着铀尾矿水在土壤中进行横向和纵向渗透迁移,从而对土壤、地表水和地下水等产生严重的放射性污染。通过对尾矿库、尾矿坝下游不同深度,不同距离的土壤中放射性核素(238U,232Th,226Ra,40K等)比活度(HPGeγ谱仪测量)的探讨,分析铀尾矿库对环境的放射性影响。
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Key words
tailings dam,specific activity,radionuclides,tailings
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