The charcoal coil monitor for radon 222 Rn in air is calculated and analysed. Radon charcoal coil monitor is practised at four different spots of three different places, which indicate that it is effective through using charcoal coil to collect and me
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俞义樵,柏本宣,陈佳慎.环境空气中氡的探测[J].重庆工商大学学报(自然科学版),1999,(4): YU Yi_qiao BAI Ben_xuan CHEN Jia_shen. Detection of Radon~(222)Rn Concentration in Air[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),1999,(4):