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Natural geochemical concentrations and fluxes of Cu, Th and U in Finland

机译:芬兰的自然地球化学浓度和铜,Th和铀的通量

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摘要

Concentrations of U, Th and Cu were studied as a part of the coordinated IAEA (International Atomic Energy Agency) research project on ‘The use of selected safety indicators (concentrations; fluxes) in the assessment of radioactive waste disposal’. Uranium and Th served as analogues of radionuclides in the waste matrix (spent fuel) and Cu is a construction material in the Finnish disposal approach in granitic rock. Release and migration of these components through the geosphere to the biosphere is thought to be caused and influenced by corrosion, oxidation and dissolution and subsequent transport and retardation processes in groundwater in hydraulically conducting rock fractures.
机译:作为“国际原子能机构”(IAEA)协调研究项目的一部分,对铀,Th和铜的浓度进行了研究,该项目涉及“所选安全指标的使用(浓度; < 铀和Th用作废物 基质(废燃料)中放射性核素的类似物,而Cu为 芬兰花岗岩处理方法中的建筑材料。这些成分通过地球球向生物圈的释放和迁移 被认为是由腐蚀,氧化 以及溶解以及随后的运输和迁移引起的。导水岩石裂缝中地下水的延迟过程

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