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医院中子照射器装料启动后,反应堆为其仅有的源项。且反应堆水池加满水后,其屏蔽达到设计状态。开堆时厂区内剂量率分布必然以堆为中心由近及远呈发散递减趋势。在满功率之前对其厂房内进行剂量率监测可定性了解整个厂区包括办公区域的剂量率情况。结合日后将做的满功率状态下的全区域剂量率测量,可更细致了解反应堆对周围的影响。
After the hospital neutron irradiation device is loaded, the reactor is the only source item. After the reactor pool is filled with water, the shield reaches its design state. In the open reactor, the distribution of dose rate inevitably takes the heap as the center and diverges declining trend from near to far. Dosing rate monitoring of the plant before full power gives qualitative insight into the dose rate throughout the plant, including the office area. Combining the full-area dose rate measurements at full power to be done in the future, the impact of the reactor on the surroundings can be seen more closely.