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活性炭法
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活性炭法
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活性碳法
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activated carbon method
活性炭法
利用活性炭将扩散或用泵抽入的氡及其子体吸附在活性炭孔隙内,通过测量活性炭内氡子体发射的γ射线来确定被测介质中氡浓度的累积氡测量方法。
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agricultural region
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Agricultural Rodent Pests in Southwest China
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agricultural soil environmental survey
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