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DAI Ke-jian, ZHU Li, JIANG Rang-rong. Measurement of 7Be Aerosol Activity Concentration and Its Application[J]. Atomic Energy Science and Technology, 2011, 45(4): 487-490. DOI: 10.7538/yzk.2011.45.04.0487
Citation: DAI Ke-jian, ZHU Li, JIANG Rang-rong. Measurement of 7Be Aerosol Activity Concentration and Its Application[J]. Atomic Energy Science and Technology, 2011, 45(4): 487-490. DOI: 10.7538/yzk.2011.45.04.0487
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Measurement of 7Be Aerosol Activity Concentration and Its Application

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  • The filtration efficiency of 7Be aerosol was measured by the method of three-layer membrane. The filtration efficiency of 7Be aerosol is 85.7% with amendment on decay effect. The annual change regularity of 7Be aerosol activity concentration around Hangzhou area was analyzed, and it is concluded that the main reason is the seasonal rainfall.
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