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郑州部分地下人防工程内氡及其子体浓度与剂量估算孟繁卿，刘成，王建华，芦国甫，丁华光（河南省职业病防治所，郑州４５００５２）近年来，随着经济建设的发展，地下人防工程的利用日渐增多。据调查郑州市约有６０万平方米的地下空间，目前作为商场、饭店、旅社等使用的...
Concentration and Dose Estimation of Radon and Its Daughters in Some Civil Air Defense Projects in Zhengzhou Meng Fanqing, Liu Cheng, Wang Jianhua, Lu Guofu, Ding Huaguang (Henan Occupational Disease Prevention and Control Institute, Zhengzhou 450052) In recent years, with the development of economic construction, underground civil air defense works Increasing use of. According to a survey of Zhengzhou City, about 600,000 square meters of underground space, currently used as shopping malls, restaurants, hotels and other ...