Authors:
Chunli Liu Peking University Department of Technical Physics Beijing 100871 P.R. China

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Xiangyun Wang Peking University Department of Technical Physics Beijing 100871 P.R. China

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Shushen Li China Institute for Radiation Protection PO Box 120 Taiyuan, Shanxi 030006 P.R. China

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Zhiming Wang China Institute for Radiation Protection PO Box 120 Taiyuan, Shanxi 030006 P.R. China

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Jinsheng Wang China Institute for Radiation Protection PO Box 120 Taiyuan, Shanxi 030006 P.R. China

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Bing Li China Institute for Radiation Protection PO Box 120 Taiyuan, Shanxi 030006 P.R. China

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Ling Jiang China Institute for Radiation Protection PO Box 120 Taiyuan, Shanxi 030006 P.R. China

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Abstract  

As part of a co-operative research project between the China Institute for Radiation Protection (CIRP) and the Japan Atomic Energy Research Institute (JAERI) on safety assessment method for shallow land disposal of low level radioactive wastes, the migration of 85Sr in unsaturated Chinese loess under natural and artificial rainfall conditions was in-situ investigated. 3H was used for obtaining the migration velocity of the moisture water in the test zone. The result of the 2-year test indicated that under natural rainfall conditions, the migration of 85Sr is a combination of downward and upward movements. It moves down in summer and moves up in winter. Under artificial rainfall conditions the migration of 85Sr is a velocity-change process. It migrates down faster in summer and slower in winter. This phenomenon is considered to be caused by the dry winter and relatively wet summer.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)