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Monitoring of airborne $^{14}$C discharge at RI facilities; A Comparison of collection and oxidation methods

Ueno Yumi, Koarashi Jun, Iwai Yasunori, Sato Junya, Takahashi Teruhiko, Sawahata Katsunori, Sekita Tsutomu, Kobayashi Makoto, Tsunoda Masahiko, Kikuchi Masamitsu

Hoken Butsuri, 49(1) 39-44, Mar, 2014 Peer-reviewed
Environmental radiation monitoring system in Tokai,JAERI

Tachibana Haruo, Sekita Tsutomu, Yamaguchi Takenori

Radioisotopes, 52(8) 383-388, Aug, 2003 Peer-reviewed

Development of the new environmental radiation monitoring system in JAEA Nuclear Science Research Institute

Takehara Kazuki*, Sasa Yoichi, Sekita Tsutomu

FAPIG, (173) 21-29, Jul, 2006
Isopleths of surface air concentration and surface air kerma rate due to a radioactive cloud released from a stack, 3

Tachibana Haruo, Kikuchi Masamitsu, Sekita Tsutomu, Yamaguchi Takenori, Oeda Mikihiro*, Kurosawa Naohiro*

JAERI-Data/Code 2004-010, 19, Jun, 2004
Statistics of meteorological data at Tokai Research Establishment in JAERI

Sekita Tsutomu, Tachibana Haruo, Matsuura Kenichi, Yamaguchi Takenori

JAERI-Data/Code 2003-017, 106, Dec, 2003
Development of statistical analysis code for meteorological data, W-View

Tachibana Haruo, Sekita Tsutomu, Yamaguchi Takenori

JAERI-Data/Code 2003-002, 46, Mar, 2003

Examination for confidence of quenched standard sources for liquid scintillation counter

Kawasaki Takayuki, Sekita Tsutomu, Kikuchi Masamitsu, Tsunoda Masahiko

日本保健物理学会第46回研究発表会
Examination of the liquid scintillator suitable for a radiation administrative task

Sekita Tsutomu, Kobayashi Toshiaki, Hiraga Hayato, Yasuda Takayuki, Kikuchi Masamitsu, Tsunoda Masahiko

日本保健物理学会第45回研究発表会
Radiation monitoring during medical and animal irradiation in research reactor facility

Kobayashi Toshiaki, Kawamatsu Yorimitsu, Yamasoto Kotaro, Yamada Katsunori, Sekita Tsutomu, Kabuto Masayuki

日本保健物理学会第44回研究発表会