| BG2015R与P2000型测氡仪在气氡连续观测中的比测实验 |
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| 引用本文： | 邱永平.BG2015R与P2000型测氡仪在气氡连续观测中的比测实验[J].内陆地震,2020,34(2):174-179. |
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| 作者姓名： | 邱永平 |
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| 作者单位： | 浙江省地震局宁波地震台,浙江宁波315029 |
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| 摘 要： | 利用浙江宁波地震台ZK03井气氡观测系统,将集气室出气口与BG2015R型测氡仪进气口连接,排气口与P2000型测氡仪的进气口连接,再从其排气口出气,形成2套仪器作串联比测实验。通过近3个月的观测,并对10分钟值数据作相关系数分析,发现它们具有显著的相关性,BG2015R观测资料的客观性和科学性可以初步得到验证。也说明BG2015R采样器(闪烁室)受到氡污染后,3个月内"累积背景值"的动态变化基本稳定。P2000因为有自动扣除本底"累积背景"的功能,所以其观测平均值比前者略低,约为92.7%,但动态变化幅度明显大于前者。2套仪器能同步记录到气氡潮汐现象。因此BG2015R型测氡仪在地下流体观测中,基本能够记录到气氡的动态变化过程。
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| 关 键 词： | 气氡连续观测 BG2015R型测氡仪 P2000型测氡仪 对比观测实验 |
BG2015R AND P2000 RADON MEASURING INSTRUMENT IN GAS RADON CONTINUOUS COMPARISON EXPERIMENT IN OBSERVATION |
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| QIU Yong-ping.BG2015R AND P2000 RADON MEASURING INSTRUMENT IN GAS RADON CONTINUOUS COMPARISON EXPERIMENT IN OBSERVATION[J].Inland Earthquake,2020,34(2):174-179. |
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| Authors: | QIU Yong-ping |
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| Institution: | (Ningbo seismic station of zhejiang Earthquake Agency,Ningbo 315029,Zhejiang,China) |
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| Abstract: | By using the gas radon observation system of ZK03 well in Ningbo seismic station,Zhejiang Province,the gas outlet of the gas collection chamber is connected with the air inlet of BG2015 R radon meter,the air outlet is connected with the air inlet of P2000 radon meter,and then the gas is discharged from the air outlet,that is,two sets of instruments are used for series comparison test.Through the observation in the past three months and the correlation coefficient analysis of 10 minute value data,it is found that they have significant correlation,which shows that the objectivity and scientificity of BG2015 R observation data can be preliminarily verified.It also shows that the dynamic change of"cumulative background value"of BG2015 R sampler(scintillation chamber)is basically stable within three months after being polluted by radon.Because P2000 has the function of automatically deducting background"accumulation background",its average observation value is slightly lower than the former,about 92.7%,but the dynamic change amplitude is significantly larger than the former.The two sets of instruments can simultaneously record the phenomenon of gas radon tide.Therefore,BG2015 R radon detector can basically record the dynamic change process of radon in the observation of underground fluid. |
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| Keywords: | Continuous observation of air radon BG2015R radon meter P2000 radon meter Comparative observation experiment |
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