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Volume 10 (1975)
- Issue 4 Pages 193-
- Issue 3 Pages 131-
- Issue 2 Pages 73-
- Issue 1 Pages 1-
Volume 10, Issue 1
Displaying 1-7 of 7 articles from this issue
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Hideo YAMAGISHI, Seiichi MIZUSHITA, Akira YASE1975 Volume 10 Issue 1 Pages 1-7
Published: 1975
Released on J-STAGE: February 25, 2010
JOURNAL FREE ACCESSA portable whole-body counter has been constructed from the over 10 years experience of routine operation of a heavily shielded whole-body counter. The portable counter is designed to operate automatically when a subject is seated in an upholstered chair lined with 12mm thick lead. The detector has a 3φ×3 in. sodium iodide scintillation crystal mounted in a 50mm thick lead shield which is opened only in direction of the chair.
Signals from the detector are analyzed with a three channel pulse hight analyzer the covered energy ranges of which can be varied with the objective nuclide.
Minimum detectable amounts are 34nCi for Cs-137 and 17nCi for Co-60 for 10 minutes counting with the three channel pulse hight analyzer, 12nCi and 13nCi for 40 minutes with a multi-channel. Those values are well below the investigation levels given by ICRP Publication 10.View full abstractDownload PDF (806K) -
Keizo TAMURA, Yasuo YOSHIZAWA1975 Volume 10 Issue 1 Pages 9-11
Published: 1975
Released on J-STAGE: February 25, 2010
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Yasuo YOSHIZAWA, Tomoko KUSAMA, Masayuki HOSHINO, Motoo ONO1975 Volume 10 Issue 1 Pages 13-16
Published: 1975
Released on J-STAGE: February 25, 2010
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Chuji MACHIDA, Masaki SUZUKI1975 Volume 10 Issue 1 Pages 17-21
Published: 1975
Released on J-STAGE: February 25, 2010
JOURNAL FREE ACCESSThe survey of material composition of the low level radioactive solid waste was performed in connection with the design work of the new incinerator in Tokai Establishment, JAERI.
Five large facilities were selected as the representation of more than 20 facilities, and 500 packages were chosen out of 2, 189 packages discharged during 2 months, June and July 1973. They consisted of the combustible and compressible waste but not included filters and contaminated equipments.
The survey showed following result; plastics 33%, waste cloth 24%, paper 18%, rubber 9%, clothes 5%, timber 1% (total of above mentioned materials 89%), metal 7%, glass 2%, concrete and sand 2%.
Eighty-nine % of the total quantity is combustible material in principle, then it will be expected that the incineration treatment get a wider application to reduce the volume of final disposal.View full abstractDownload PDF (589K) -
Toyohide ISHIHARA, Katsunosuke KAMEGAYA1975 Volume 10 Issue 1 Pages 23-27
Published: 1975
Released on J-STAGE: February 25, 2010
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Atsushi KASAI, Kazuhiko IMAI, Shigeru MORIUCHI1975 Volume 10 Issue 1 Pages 29-40
Published: 1975
Released on J-STAGE: February 25, 2010
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Ikuro ANZAI1975 Volume 10 Issue 1 Pages 41-44
Published: 1975
Released on J-STAGE: February 25, 2010
JOURNAL FREE ACCESSDownload PDF (563K)
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