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通过对2005年美国国家辐射防护与测量委员会(NCRP)发布的151号报告中有关屏蔽设计相关内容的重点介绍,讨论我国当今核技术利用项目中有关医用电子加速器环境影响评价中几个容易忽略的问题,从而对今后医用电子加速器有关屏蔽的设计和审评提供参考,达到辐射屏蔽防护科学、合理、可行和经济的目的。
Through the introduction of the 151th report released by the National Commission on Radiological Protection and Measurement (NCRP) in 2005 on the key points of shielding design, this paper discusses several easily overlooked environmental impact assessments of medical electron accelerators used in current nuclear technology projects in China So as to provide a reference for future design and review of medical electron accelerators for shield design and achieve the goal of scientific, reasonable, feasible and economical radiation shield protection.