Comparative analysis of radon, thoron and thoron progeny concentration measurements

被引：40
|
作者：
Janik, Miroslaw [1 ]
Tokonami, Shinji [2 ]
Kranrod, Chutima [3 ]
Sorimachi, Atsuyuki [2 ]
Ishikawa, Tetsuo [1 ]
Hosoda, Masahiro [4 ]
Mclaughlin, James [5 ]
Chang, Byung-Uck [6 ]
Kim, Yong Jae [6 ]
机构：
[1] Natl Inst Radiol Sci, Regulatory Sci Res Program, Chiba 2638555, Japan
[2] Hirosaki Univ, Dept Radiat Phys, Hirosaki, Aomori 0368564, Japan
[3] Chulalongkorn Univ, Fac Engn, Dept Nucl Engn, Bangkok, Thailand
[4] Hirosaki Univ, Grad Sch Hlth Sci, Aomori 0368564, Japan
[5] Univ Coll Dublin, Dublin 4, Ireland
[6] Korea Inst Nucl Safety, Taejon, South Korea
来源：
JOURNAL OF RADIATION RESEARCH | 2013年 / 54卷 / 04期
关键词：
radon; thoron; thoron progeny; thoron equilibrium factor; EQUILIBRIUM FACTOR; INTERNATIONAL INTERCOMPARISONS; RN-220; MEASUREMENTS; CAVE RESIDENTS; INDOOR RADON; DETECTORS; DWELLINGS; EXPOSURES; WINNIPEG; AREAS;
D O I：
10.1093/jrr/rrs129
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
This study examined correlations between radon, thoron and thoron progeny concentrations based on surveys conducted in several different countries. For this purpose, passive detectors developed or modified by the National Institute of Radiological Sciences (NIRS) were used. Radon and thoron concentrations were measured using passive discriminative radon-thoron detectors. Thoron progeny measurements were conducted using the NIRS-modified detector, originally developed by Zhuo and Iida. Weak correlations were found between radon and thoron as well as between thoron and thoron progeny. The statistical evaluation showed that attention should be paid to the thoron equilibrium factor for calculation of thoron progeny concentrations based on thoron measurements. In addition, this evaluation indicated that radon, thoron and thoron progeny were independent parameters, so it would be difficult to estimate the concentration of one from those of the others.
引用
收藏
页码：597 / 610
页数：14
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