关于土壤中氡浓度垂直分布与土壤表面氡呼出速率之间关系的实验室研究

IF 1.5 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-12 DOI:10.1007/s10967-024-09755-5

Jiulin Wu, Ruomei Xie, Haibo Yi, Tao Hu, Jiale Sun, Zhipeng Liu, Huiying Li, Shuaibin liu, Shuai Yuan, Yanliang Tan

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引用次数: 0

摘要

本文利用一个简单的装置模拟了氡在自然环境中的一维扩散。根据实验结果，结合菲克定律，可以拟合出本实验中土壤中氡的有效扩散系数De为1.8×10-6±6.6×10-7 m2s-1，土壤氡平衡浓度为25.1±2.4 kBq/m3，土壤表面氡呼出速率为47±17 mBqm-2 s-1。土壤表面的氡呼出速率由蓄积室测量两次，测量结果与计算结果相似。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Laboratory study on the relationship between the vertical distribution of radon concentration in soil and the exhalation rate of radon from the soil surface

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Laboratory study on the relationship between the vertical distribution of radon concentration in soil and the exhalation rate of radon from the soil surface

In this paper, One-dimensional diffusion of radon in the natural environment was used to simulate by a simple device. According to experimental results, combined with Fick’s law, it can be fitted that the effective diffusion coefficient D_e of radon in the soil in this experiment is 1.8 × 10^–6 ± 6.6 × 10^–7 m²s⁻¹, the soil radon equilibrium concentration is 25.1 ± 2.4 kBq/m³, the radon exhalation rate on the soil surface is 47 ± 17 mBqm⁻² s⁻¹. The radon exhalation rate of soil surface was measured twice by an accumulation chamber, the measured results are similar to the calculated results.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.