国家废源库废放射源近地表处置活度限值研究
Derivation of Activity Limits of Disused Sealed Radioactive Sources Stored in the National Centralized Storage Facility for Near-surface Disposal
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摘要: 在统计分析国家废源库现存废放射源核素种类、数量、活度分布的基础上,对废放射源进行了分类筛选,以废放射源近地表处置为目的,从长期安全性的角度,推导了可近地表处置的主要核素的活度上限值。并以此限值估算了国家废源库废放射源近地表处置的减容效果。Abstract: On the basis of statistical analysis of radionuclide types, quantity and activity distribution of the existing disused sealed radioactive sources（DSRS） stored in the national centralized storage facility, DSRS were classified. Considering the near-surface disposal as a target, and considering the long-term safety, the activity limits of DSRS for near-surface disposal were derived. This limit is used to estimate the volume reduction effect of the national centralized storage facility.
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