A method to simultaneously and continuously measure the 222Rn and 220Rn exhalation rates of soil in an open loop
A method to simultaneously and continuously measure the 222Rn and 220Rn exhalation rates of soil in an open loop
复制标题
开环同时连续测量土壤222Rn和220Rn呼气速率的方法
DOI：
10.1080/10256016.2014.916705
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发表时间：
2014-10
影响因子：
1.3
通讯作者：
Jian Shan
中科院分区：
文献类型：
--
作者：
Yanliang Tan;Detao Xiaob;HongzhiYuan;Jian Shan
本文介绍了一种基于静电收集法的氡监测仪，采用通风式累积室同时连续测量222 Rn和220 Rn的析出率的方法。氡析出率一般可用累积法测量，但不能连续测量。这种使用通风式积聚室的方法的优点是可以连续测量氡气呼出率。即使环境空气被吸入室内，氡和钍射气的低大气值也不影响测量精度。本实验中环境空气中222Rn和220Rn的析出率误差小于5%。
This paper presents a process in which a radon monitor based on the electrostatic collection method is used to measure the 222Rn and 220Rn exhalation rates simultaneously and continuously employing a ventilation-type accumulation chamber. Generally, the radon exhalation rate can be measured by accumulation technique, but cannot be measured continuously. The advantage of this method using a ventilation-type accumulation chamber is that the radon exhalation rates can be measured continuously. Even though the environmental air is drawn into the chamber, the low atmospheric values of radon and thoron do not influence the measurement accuracy. The 222Rn and 220Rn exhalation rates error from the environmental air is less than 5% in this experiment.
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影响因子：
5
作者：
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通讯作者：
J. Malathi;S. Selvasekarapandian;G. M. Brahmanandhan;D. Khanna;V. Meenakshisundaram;S. Santhanam;S. Balasundar;B. Dhanalakshmi;T. Ramachandran
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DOI：
10.1016/j.apradiso.2005.07.016
发表时间：
2006-02
期刊：
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
影响因子：
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作者：
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通讯作者：
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