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地震氡观测计量溯源初步探究

Earthquake(2019)

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Abstract
根据氡观测仪的氡室校准和氡气固体源校准两种校准方式的实验结果,讨论了使用标准仪器校准氡观测仪器的可靠性问题.用国际公认的计量传递仪器AlphaGUARD P2000Pro或AlphaGUARD P2000F测氡仪作为氡气溯源仪器,对九江地震台FD-125氡钍分析器的三个闪烁室进行了氡室校准、氡气固体源校准和仪器校准三种方法实验,得到标准仪器校准、氡气固体源校准得出K值相对氡室校准结果偏差均小于6%,结果表明,三种方法的校准结果均符合目前氡观测计量溯源技术要求,能达到与国家氡计量刻度相统一目的.
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Key words
Radon observation,Radon solid source calibration,Radon chamber calibration,Alpha GUARD measuring system
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