两种方法校准BG2015R测氡仪对比研究

doi:10.12196/j.issn.1000-3274.2025.01.006

地震 ›› 2025, Vol. 45 ›› Issue (1): 81-92.doi: 10.12196/j.issn.1000-3274.2025.01.006

两种方法校准BG2015R测氡仪对比研究

周红艳¹, 宁洪涛¹, 吴玮莹¹, 姚玉霞²

1.江西省地震局, 江西南昌 330039;
2.甘肃省地震局, 甘肃平凉 744000

收稿日期:2024-04-14 接受日期:2024-10-08 发布日期:2025-04-15
通讯作者: 姚玉霞, 高级工程师。 E-mail: yyx@gssb.gov.cn
作者简介:周红艳(1979-), 女, 河北廊坊人, 高级工程师, 主要从事氡观测技术与测氡仪计量检测研究。E-mail: zhouhy_5258@163.com
基金资助:
江西省地震局“一站一中心”开放基金项目(SDGD202216); 国家自然科学基金项目(42274235)

Comparative Study on Calibration of BG2015R Radon Measuring Instrument by Two Methods

ZHOU Hong-yan¹, NING Hong-tao¹, WU Wei-ying¹, YAO Yu-xia²

1. Jiangxi Earthquake Agency, Nanchang 330039, China;
2. Gansu Earthquake Agency, Pingliang 744000, China

Received:2024-04-14 Accepted:2024-10-08 Published:2025-04-15

摘要/Abstract

摘要： 对同一套BG2015R测氡仪采用氡固体源和氡室两种校准方法的结果进行了对比分析。结果表明, 在3个不同测量点应用氡室对BG2015R测氡仪进行校准时, 所得校准系数(K值)较高, 比采用氡固体源校准的系数高出5%。氡室校准的重复性在低浓度测量点计算得到, 氡固体源校准因测量浓度较高, 重复性计算结果较小。在氡室校准中, 通过3个测量点的校准系数计算相对固有误差, 能够对仪器的响应线性进行评价; 而在氡固体源校准中, 通常只能在单一测点进行多次重复测量, 并通过多次校准结果计算相对误差, 无法进行线性评价。本研究结论为各监测点BG2015R测氡仪校准、结果分析及使用提供参考。

关键词: 测氡仪, 校准, 氡室, 氡固体源

Abstract: The calibration results of the BG2015R Radon measuring instrument using two different methods, namely the radon solid source and the radon chamber, were compared and analyzed. The results show that the calibration coefficient (K) obtained from calibrating the BG2015R Radon measuring instrument in the radon chamber at three different measuring points is 5%, larger than that obtained using the radon solid source. The repeatability of the radon chamber calibration was calculated at low concentration measurement points, while the repeatability of the radon solid source calibration was lower due to the higher measurement concentration. When calibrating the BG2015R Radon measuring instrument using the radon chamber, the relative inherent error was calculated using the calibration coefficients from three measurement points, allowing for a linear evaluation of the instrument’s response. However, when using the radon solid source calibration, repeated measurements were only made at a single measurement point, and the relative error was calculated from multiple calibration results, which did not allow for a linear evaluation.

Key words: Radon measuring instrument, Calibration, Radon chamber, Radon solid source

中图分类号:

P315.7

周红艳, 宁洪涛, 吴玮莹, 姚玉霞. 两种方法校准BG2015R测氡仪对比研究[J]. 地震, 2025, 45(1): 81-92.

ZHOU Hong-yan, NING Hong-tao, WU Wei-ying, YAO Yu-xia. Comparative Study on Calibration of BG2015R Radon Measuring Instrument by Two Methods[J]. EARTHQUAKE, 2025, 45(1): 81-92.

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两种方法校准BG2015R测氡仪对比研究

Comparative Study on Calibration of BG2015R Radon Measuring Instrument by Two Methods

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[1]	周红艳, 任宏微, 宁洪涛, 黄仁桂, 赵影, 姚玉霞. 采样方式对地震监测闪烁室法测氡仪校准结果的影响研究[J]. 地震, 2020, 40(4): 191-197.
[2]	黄仁桂, 赵影, 李雨泽, 汪世先, 罗齐彬, 肖健. 地震氡观测计量溯源初步探究[J]. 地震, 2019, 39(2): 183-190.
[3]	任宏微, 姚玉霞, 周红艳. 测氡仪标准仪器校准法的条件研究[J]. 地震, 2017, 37(3): 148-156.
[4]	任宏微, 姚玉霞, 黄仁桂, 陈兰庆, 王桂清. 地震监测氡观测仪器校准新方法研究[J]. 地震, 2016, 36(3): 46-54.