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２２２Ｒｎ是由土壤及岩石中的铀系元素产生的放射性惰性气体，广泛分布在人类生活的环境中。国际学术团体一致认为，长期在高浓度氡的环境中生活，会导致肺癌发病率增加。氡危害问题，已引起各国学者的极大关注。为了解我省地下场所２２２Ｒｎ水平，作者于１９９２～１９...
222Rn is a radioactive, inert gas produced from uranium elements in soils and rocks and widely distributed in the environment of humankind. International academic community agreed that long-term living in high concentrations of radon environment, will lead to increased incidence of lung cancer. Radon hazard has caused great concern of scholars from all over the world. In order to understand the level of 222Rn underground sites in our province, the author in 1992 ~ 19 ...