Optimization of alpha energy spectrum method for measuring radon and thoron daughters in air

KANG Xi1 XIAO Detao2 LI Junli1 1

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Optimization of alpha energy spectrum method for measuring radon and thoron daughters in air

更新时间：2021-03-12

- Optimization of alpha energy spectrum method for measuring radon and thoron daughters in air
- NUCLEAR TECHNIQUES Vol. 31, Issue 12, (2008)
- 作者机构：
  
  1. 清华大学工程物理系
  2. 南华大学核科学与技术学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(10575049);湖南省科技计划重点项目(04FJ4046)资助
- DOI：
  CLC： X831
- Published：01 December 2008
- 稿件说明：
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[1]康玺,肖德涛,李君利.空气中~(222)Rn/~(220)Rn子体水平α能谱测量方法的优化[J].核技术,2008,31(12):925-930.

KANG Xi1 XIAO Detao2 LI Junli1 1. Optimization of alpha energy spectrum method for measuring radon and thoron daughters in air[J]. Nuclear techniques, 2008, 31(12): 925-930.
[1]康玺,肖德涛,李君利.空气中~(222)Rn/~(220)Rn子体水平α能谱测量方法的优化[J].核技术,2008,31(12):925-930. DOI：

KANG Xi1 XIAO Detao2 LI Junli1 1. Optimization of alpha energy spectrum method for measuring radon and thoron daughters in air[J]. Nuclear techniques, 2008, 31(12): 925-930. DOI：

摘要

通过222Rn/220Rn子体α能谱测量程序对222Rn/220Rn子体测量不确定度的分析

获得了有关采样时间、测量时间段、总测量时间与222Rn/220Rn子体测量不确定度的较清晰的关系。在此基础上

按照快速准确测量222Rn/220Rn子体的原则

优化了一种222Rn/220Rn子体α能谱测量程序

并通过和多种早先提出的222Rn/220Rn子体测量程序的实验对比

验证了该测量程序的合理性。

Abstract

Based on uncertainty analysis of the α spectroscopy program for measuring the 222Rn/220Rn daughters

the relationships among the sampling time

measurement intervals

and total measurement time and measurement uncertainty are studied in details

and an optimal measurement program was given for quick and accuracy determination of the 222Rn/220Rn daughter concentrations in air. The optimal program was also proved by comparing the results with several measurement programs by other researchers in theory and practice.

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