辐射防护 ›› 2026, Vol. 46 ›› Issue (5): 377-386.doi: 10.27045/j.1000-8187.202605001

• 综述 • 上一篇    下一篇

天然氡同位素计量技术研究进展

肖德涛1, 梁珺成2, 何正忠1, 唐泉1   

  1. 1.南华大学 核科学技术学院/氡湖南省重点实验室,湖南 衡阳 421001;
    2.中国计量科学研究院 电离辐射计量科学研究所,北京 100029
  • 收稿日期:2026-06-15 发布日期:2026-10-28
  • 作者简介:肖德涛(1964—),男,2000年毕业于中国原子能科学研究院辐射防护及环境保护专业,博士,教授。E-mail:xiaodt@usc.edu.cn

Progress of metrological techniques for naturally occurring radon isotopes

XIAO Detao1, LIANG Juncheng2, HE Zhengzhong1, TANG Quan1   

  1. 1. School of Nuclear Science and Technology, Hunan Provincial Key Laboratory of Radon, University of South China, Hunan Hengyang 421001;
    2. National Institute of Metrology,Beijing 100029
  • Received:2026-06-15 Published:2026-10-28

摘要: 氡同位素计量技术是环境氡同位素及其子体测量结果可靠性的重要保证。本文介绍了氡同位素源、氡计量技术、钍射气计量技术和氡析出率计量技术研究现状,总结了各类氡同位素源、各国氡室、钍射气室和氡析出率标准装置的性能特点,指出了氡同位素计量技术存在的一些挑战。

关键词: 氡, 钍射气, 氡析出率, 计量技术

Abstract: Radon isotope metrological techniques are the important guarantee for the reliability of the measurement results of environmental radon isotopes and their daughters. This article introduces the current development status of radon isotope sources, and the metrological techniques of radon, thoron and radon exhalation rate, summarizes the performance characteristics of radon isotope sources, radon chambers, thoron chambers and radon exhalation rate standard devices in various countries, and points out some challenges in radon isotope metrological techniques.

Key words: radon, thoron, radon exhalation rate, metrological technique

中图分类号: 

  • TL84