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首页> 外文期刊>Health Physics: Official Journal of the Health Physics Society >Preliminary Study on Application of Neutron Bubble Detectors as Personal Neutron Dosimeters in Nuclear Well Logging
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Preliminary Study on Application of Neutron Bubble Detectors as Personal Neutron Dosimeters in Nuclear Well Logging

机译：中子气泡探测器作为个人中子剂量计在核测井中的初步研究

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摘要

In order to assess the feasibility of neutron bubble detectors (NBD) for monitoring neutron doses in radiation fields of nuclear well logging, neutron dose levels at several positions inside and outside a truck transporting radiation sources for nuclear well logging have been measured and analyzed using both a NBD and a neutron ambient dose equivalent rate meter (NADERM). The relative difference of the sensitivities between a NBD calibrated by a certified ~(241)Am-Be radiation source and a standardized NADERM is 7.4%, well within the counting statistic uncertainties, indicating that the NBD response is similar to the NADERM for this neutron field, and thus is an appropriate dosimeter for this application. The results of statistical analysis show that NBD are reliable for neutron dose monitoring in both pure neutron and n-y mixed radiation fields of nuclear well logging.
机译：为了评估中子气泡检测器（NBD）监测核测井辐射场中的中子剂量的可行性，已经测量并分析了使用卡车运输辐射源进行核测井的卡车内部和外部几个位置的中子剂量水平。 NBD和中子环境剂量当量率仪（NADERM）。经认证的〜（241）Am-Be辐射源校准的NBD与标准NADERM之间灵敏度的相对差异为7.4％，这在计数统计不确定性之内，这表明该中子的NBD响应类似于NADERM。场，因此是适合此应用的剂量计。统计分析结果表明，NBD在核测井中的纯中子和n-y混合辐射场中均可可靠地监测中子剂量。

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