氡析出率快速测量的不确定度评定

李志强; 肖德涛; 赵桂芝; 单健; 吴喜军; 周青芝

doi:10.11889/j.0253-3219.2017.hjs.40.040201

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氡析出率快速测量的不确定度评定

低能加速器技术、射线技术及应用 | 更新时间：2021-05-19

- 氡析出率快速测量的不确定度评定
- Uncertainty evaluation of rapid measurement of radon exhalation rate
- 核技术 2017年40卷第4期文章编号：040201
- 作者机构：
  
  1.衡阳师范学院物理与电子工程学院衡阳 421008
  2.南华大学核科学技术学院衡阳 421001
- 作者简介：
  
  [ "李志强, 男, 1978年出生, 2016年南华大学获博士学位, 从事气载放射性测量及示踪技术研究", "LI Zhiqiang, male, born in 1978, graduated from University of South Chinese with a doctoral degree in 2016, focusing on airborne radioactivity measurement and tracer technique" ]
  肖德涛, E-mail:13307478601@189.cn XIAO Detao, E-mail:13307478601@189.cn
- 基金信息：
  
  国家自然科学基金(11475082);国家自然科学基金(11375083);湖南省教育厅重点项目(16A028);衡阳师范学院引进人才科研启动项目(16D02);衡阳师范学院产学研用项目(16CXYY05)
- DOI：10.11889/j.0253-3219.2017.hjs.40.040201
  中图分类号： TL816.2
- 收稿日期：2016-11-26，
  
  修回日期：2017-01-17，
  
  纸质出版日期：2017-04
- 稿件说明：
移动端阅览
李志强, 肖德涛, 赵桂芝, 等. 氡析出率快速测量的不确定度评定[J]. 核技术, 2017,40(4):040201

Zhiqiang LI, Detao XIAO, Guizhi ZHAO, et al. Uncertainty evaluation of rapid measurement of radon exhalation rate[J]. Nuclear techniques, 2017, 40(4): 040201
李志强, 肖德涛, 赵桂芝, 等. 氡析出率快速测量的不确定度评定[J]. 核技术, 2017,40(4):040201 DOI： 10.11889/j.0253-3219.2017.hjs.40.040201.

Zhiqiang LI, Detao XIAO, Guizhi ZHAO, et al. Uncertainty evaluation of rapid measurement of radon exhalation rate[J]. Nuclear techniques, 2017, 40(4): 040201 DOI： 10.11889/j.0253-3219.2017.hjs.40.040201.

摘要

氡析出率测量受外界环境因素影响较大，为科学合理地评定氡析出率快速测量结果的准确性。结合不确定度原理，建立氡析出率快速测量方法的理论分析模型，分析其不确定度来源，评定其不确定度。结果表明，快速测量方法在氡析出率0.39-2.62 Bq·m

-2

·s

-1

的标准装置上，105 min快速测量的结果其相对合成标准不确定度在12%以内。研究结果为氡析出率快速测量方法的置信程度评定提出了新的评价方法。

Abstract

Background

Rapid measurement of radon exhalation rate is influenced strongly by external environmental factors.

Purpose

This study aims to scientifically evaluate the accuracy of the measured result of radon exhalation rate according to the concept of uncertainty.

Methods

A theoretical analytical model was estimated to study the measurement method of radon exhalation rate. The origin of the uncertainty was analyzed and employed to evaluate the accuracy of the result.

Results

The result of the relative synthesis standard uncertainty diverges within 12% when the rapid measurement is applied on the standard device of the University of South China with a radon exhalation rate of 0.39-2.62 Bq·m

-2

·s

-1

in 105 min.

Conclusion

This study provides a new method to evaluate the rapid determination of radon exhalation standard device.

关键词

Keywords

references

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