【摘 要】
：
模拟处置条件下关键核素迁移研究可为我国高放废物处置库的选址和安全评价提供重要的参数,是高放废物深地质处置研究的关键内容之一。为研究镎、钚、锝在我国高放废物处置场
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模拟处置条件下关键核素迁移研究可为我国高放废物处置库的选址和安全评价提供重要的参数,是高放废物深地质处置研究的关键内容之一。为研究镎、钚、锝在我国高放废物处置场预选区中的迁移程度及迁移机制,着重测定了镎、钚在模拟处置条件下的溶解度,研究了锝在分米级膨润土中的扩散行为,并对花岗岩地下水中的天然胶体进行表征。1天然胶体的裹征利用超声震荡设备制备了花岗岩地下水天然胶体体系,并采用纳
The study on the migration of critical radionuclides under simulated conditions can provide important parameters for site selection and safety assessment of China’s high-level radioactive waste repository and is one of the key contents of the study on deep geological disposal of HLW. In order to study the migration degree and migration mechanism of plutonium, plutonium and technetium in the preselected area of China’s high-level radioactive waste disposal sites, the solubility of plutonium and plutonium under simulated disposal conditions was emphatically studied. The diffusion behavior of technetium in decimeter bentonite was studied. , And characterize the natural colloids in the granite groundwater. A natural colloidal wrapping the use of ultrasonic vibration equipment prepared granite groundwater natural colloidal system and adopted Na
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