提出了寒区混凝土防护层渠道最低衬砌厚度的计算方法。
The calculation method about the minimum lining thickness of concrete protective layer is given in the cold region.
整个反应都包裹在一层厚厚的混凝土防护层里面，避免辐射泄漏到外界环境中。
The whole reactor is encased in a thick concrete shield, which prevents radiation escaping into the environment.
针对单层混凝土靶板和三层混凝土靶板进行数值模拟分析，确定了防护层数对工程防护能力的影响。
The effect of deck number on the protection ability is presented by thesimulation between single deck concrete target and triple deck one.
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