【作者】 涂国荣； 党海军； 成曦； 王旭辉； 刘文元； 倪惠云； 张利兴； 马锋；

【Author】 TU Guo-rong,DANG Hai-jun,CHENG Xi,WANG Xu-hui,LIU Wen-yuan, NI Hui-yun,ZHANG Li-xing,MA Feng (Northwest Institute of Nuclear Technology,Xi’an 710024,China)

【机构】 西北核技术研究所；

【摘要】 高效、安全、洁净的核能给人类带来了极大的效益,但核能生产中的高水平放射性废物同时也给人类和环境带来了潜在的威胁。如何安全、有效、经济地处置这些高放废物,如何评价上万年甚至更长时间尺度下高放废物处置系统的安全性与可靠性,一直是一个世界性的难题。对放射性核素迁移行为和规律的研究是实现高放废物安全处置的关键基础问题之一。天然类比物和人为类比物更接近于废物处置库的实际,是公认的有价值的研究对象。文章论述了核素迁移类比研究对评估高放废物处置库的长期安全性与可行性的重要作用,并简要介绍中国试验场区地下水中放射性核素迁移的早期研究概况。更多还原

【Abstract】 As an efficient,safe and clean energy,nuclear energy has already brought us enormous profits.However,the high-level radwaste produced,meanwhile,give birth to potential threatens to man and his environment.It’s a world-wide perplexing problem how to dispose these radwastes in a safe,efficient and economical way and how to evaluate the safety and reliability of the disposal system in a time scale of 10 thousand years or longer.Study on the behaviors and intrinsic rules of radioactive nuclide migration are very important to the safety of high-level radwaste disposal.Natural and artificial analogies are considered to be valuable approaches for their high similarity to the actual state of radwaste repository.In this paper,the importance of analogy study on nuclide migration for the long-term safety and feasibility of radwaste repository is discussed,and early studies on nuclide migration in groundwater at the nuclear test site of China are briefly summarized.更多还原