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在反应堆的退役中,为了估算反应堆本体及附属结构材料中放射性的盘存量,为退役方案设计提供技术数据,并为环境影响评价提供基础数据,需要对反应堆元件储存水池的水及其底泥中存在的氚进行含量测定。氚在这些核设施中主要以HTO的形式存在,为此采用亚沸蒸馏的方法,从一些放射性废液中,快速而准确地获取了氚含量的数据,部分测量结果列于表1。
In the decommissioning of reactors, in order to estimate the radioactive stocks in the reactor body and ancillary structural materials, provide technical data for the decommissioning scheme design and provide basic data for the environmental impact assessment, and it is necessary to check the water in the reactor element storage pool and its sediment The presence of tritium for content determination. Tritium is mainly present in these nuclear facilities in the form of HTO. For this purpose, sub-boiling distillation is used to obtain tritium content data from some radioactive effluents quickly and accurately. Part of the measurement results are shown in Table 1.