放射性气体^(37)Ar监测方法与系统发展现状概述  

Summary of the monitoring method and system development status of radioactive gas^(37)Ar

作　　者：孔淑颖 拓飞[1] 杨宝路 KONG Shuying;TUO Fei;YANG Baolu(National Institute for Radiological Protection,Chinese Center for Disease Control and Prevention,Beijing 100088)

机构地区：[1]中国疾病预防控制中心辐射防护与核安全医学所,北京100088

出　　处：《辐射防护》2023年第2期114-121,共8页Radiation Protection

摘　　要：^(37)Ar属于地下核爆炸特征活化产物,是全面禁止核试验条约组织(CTBTO)规定的核爆试验现场视察的核查核素,因此对采集的^(37)Ar气体活度浓度进行精准的现场或实验室测量尤为关键。对^(37)Ar的特性、取样纯化技术与活度测量方法进行搜集整理,归纳了国内外现场或实验室测量的先进装置与技术现状,为^(37)Ar活度浓度相关监测等应用领域提供技术支撑。^(37)Ar is a characteristic activation product of underground nuclear explosion,and is a verification nuclide of on-site inspection stipulated by the Comprehensive Nuclear Test-Ban Treaty Organization(CTBTO).Therefore,accurate field measurement or laboratory measurement of the collected activity concentration of^(37)Ar are particularly critical.This paper collects and analyzes the characteristics,sampling and purification technology and^(37)Ar activity measurement methods,summarizes the advanced device and technology status of field or laboratory measurement in the world,with the aim to provide technical support for^(37)Ar activity concentration-related monitoring and other application fields.

关 键 词：^(37)Ar 活度浓度 正比计数器 现场监测 实验室测量 

分 类 号：TL81[核科学技术—核技术及应用]