环境地表γ辐射剂量率测量仪器间比对评价与研究  

Comparative Evaluation and Research of Environmental Terrestrial Gamma Radiation Dose Rate Measurement Instruments

作　　者：张鹏 郑兴国 赵幽竹 何泽勇 Zhang Peng;Zheng Xingguo;Zhao Youzhu;He Zeyong(Ecological Environment Monitoring and Emergency Support Center of Shanxi Province,Taiyuan 030027,China)

机构地区：[1]山西省生态环境监测和应急保障中心,太原030027

出　　处：《核安全》2021年第3期98-103,共6页Nuclear Safety

摘　　要：本文针对山西省环境地表γ辐射剂量率监测能力评估的需求,组织开展了全省环境地表γ辐射剂量率测量仪器间比对。本文分别采用Grubbs准则剔除离群值经典统计、标准化四分位距稳健统计和迭代稳健统计3种不同统计方式的z比分数法,对测量比对数据进行评价,其结果具有较好的一致性。参加综合评估的14台参比仪器中,仅有1台MPR200监测仪的比对结果为“不合格”,这可能与仪器自身能量响应范围太窄有关,比对结果表明,参加比对的γ辐射剂量率监测仪器整体性能良好。In order to meet the needs of the evaluation of environmental terrestrial gamma radiation dose rate monitoring capability in Shanxi Province,the comparison of environmental terrestrial gamma radiation dose rate measuring instruments was carried out.Grubbs criterion for eliminating outliers classical statistics,stan⁃dardized quartile robust statistics and iterative robust statistics are used respectively to analyse the measure⁃ment and comparison datas.The evaluation results have good consistency.In the comprehensive evaluation of 14 equipment metrical data,the MPR200 detector only had unqualified evaluation results related to its own small energy response range.The comparison results show that the overall performance of the gamma radiation dose rate monitoring instruments is good.

关 键 词：Γ辐射剂量率 比对评价 z比分数 宇宙射线响应 

分 类 号：TL751+1[核科学技术—辐射防护及环境保护]