Japanese Journal of Radiation Safety Management

Japanese Journal of Radiation Safety Management

Online ISSN : 1884-9512
Print ISSN : 1347-1503
ISSN-L : 1347-1503

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Volume 14, Issue 1

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[title in Japanese]

[in Japanese]

2015 Volume 14 Issue 1 Pages 1-2
Published: 2015
Released on J-STAGE: August 11, 2015

DOIhttps://ntrd-jsjc-gov-cn-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.11269/jjrsm.14.1

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[title in Japanese]

2015 Volume 14 Issue 1 Pages 3-26
Published: 2015
Released on J-STAGE: August 11, 2015

DOIhttps://ntrd-jsjc-gov-cn-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.11269/jjrsm.14.3

JOURNAL FREE ACCESS

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Simultaneous Measurement of Dispersal and Adhesion Rates of Tritium using Filter Paper and a Model Room

Hirokazu MIYOSHI, Takashi MORIWAKI, Yoshihiko KAWAGUCHI, Shintaro NAKA ...

2015 Volume 14 Issue 1 Pages 27-31
Published: 2015
Released on J-STAGE: August 11, 2015

DOIhttps://ntrd-jsjc-gov-cn-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.11269/jjrsm.14.27

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Tritium dispersal rate in the air and adhesion rate on the wall from a ³H-ATP aqueous solution were simultaneously measured using a model room having six pieces of filter paper attached on the wall. A distribution of tritium on each wall was obtained from the radioactivity of each filter paper divided into 9 pieces. During an exposure time of 2 h to 24 h both dispersal and adhesion rates indicated a similar behavior. With the passage time from the purchase until 13 months both dispersal and adhesion rates linearly increased and it was found that about 0.15% per one month increased as the total rates of dispersal and adhesion.

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