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本文研究了围板对堆芯中子经济的影响，通过不同厚度的围板的零功率反应堆物理实验，验证了理论预计的结果．介绍了秦山核电厂物理启动模拟试验，验证了方案的可行性、安全性，并为物理启动方案的深化提供了有价值的依据．
In this paper, the influence of coaming on the core neutron economy is studied. The theoretical experiments are validated through physical experiments of zero-power reactor with different thickness of coaming. The Qinshan Nuclear Power Plant physical start simulation test is introduced to verify the feasibility and safety of the program and provide a valuable basis for the deepening of the physical start-up plan.