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金属矿山井下氡问题指的是井下空气中氡及其子体浓度的高低和影响因素。凡井下有氡问题的矿山,都必须采取相应的防护措施。而所采取的防护措施能否收到良好的降氡效果,取决于它是否适合具体矿山井下氡问题的特点。从我们调查的三十个矿山来
Underground mine radon metal mine refers to the underground air in the concentration of radon and its daughters and the impact of factors. All underground mines with radon problems must take corresponding protective measures. Whether the protective measures taken can get a good radon lowering effect depends on whether it is suitable for the characteristics of concrete mine radon. From the thirty mines we surveyed