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应用以溴化硒蒸馏和元素硒沉淀为主要步骤的放化流程,从高放废液1AW中分离出纯的~(79)Se。应用低本底液闪谱仪测量~(79)Se,得到了1AW中~(79)Se的含量。
Separation of pure 79 Se from high-level liquid waste 1AW was carried out by using the radiochemical process with the main steps of selenium bromide distillation and elemental selenium precipitation. The content of ~ (79) Se in 1AW was obtained by measuring the concentration of ~ (79) Se using a low background liquid-crystal flash spectrometer.