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Oral presentation

Measurement of radiation doses in J-PARC facilities using DARWIN

Sato, Tatsuhiko; Satoh, Daiki; Endo, Akira; Hagiwara, Masayuki*; Masukawa, Fumihiro; Nakashima, Hiroshi

no journal, , 

Radiation doses were measured in J-PARC facilities using DARWIN. The results will be presented at the meeting.

Oral presentation

Evaluation of protection factors provided by breath responsive powered air purifying respirator

Nakagawa, Masahiro; Nojima, Shun; Fujii, Katsutoshi; Shishido, Nobuhito; Sakai, Toshiya; Umehara, Takashi; Shimizu, Isamu

no journal, , 

no abstracts in English

Oral presentation

Effective dose conversion coefficients for radionuclides exponentially distributed in the ground

Saito, Kimiaki; Ishigure, Nobuhito*; Petoussi-Henss, N.*; Schlattl, H.*

no journal, , 

no abstracts in English

Oral presentation

Development of the server system for Personal Dose Management

Miyauchi, Hideaki; Yoshitomi, Hiroshi; Akazaki, Tomohiko; Tachibana, Haruo; Suzuki, Takashi

no journal, , 

In the Nuclear Science Research Institute in the Japan Atomic Energy Agency (JAEA), the registration management of exposure dose data for radiation workers has been carried out using the "Personal dose Management System" that is took over from the old Japan Atomic Energy Research Institute. In accordance with the result of the discussion which of unification of a radiation control system, or rationalization in JAEA, development of the server system for Personal Dose Management was gradually advanced from 2006, all functions were ready in 2010, and the server system started formal operation in 2011. By the development of the server system, work efficiency and the accuracy of data improved, and more precise management of exposure dose was enabled.

Oral presentation

Accelerator neutron dosimetry using composite-gas-filled proportional counting tube

Usui, Toshihide; Mikami, Satoshi; Nakayama, Naoto; Hashimoto, Makoto; Suzuki, Chihiro*; Yamasaki, Keizo*; Misawa, Tsuyoshi*

no journal, , 

no abstracts in English

Oral presentation

Radiation management for removing of radioactive liquid waste pipeline

Takahashi, Teruhiko; Niinuma, Shinichi; Futagawa, Kazuo; Otsuka, Yoshikazu; Muto, Yasushi; Sakai, Toshiya; Umehara, Takashi; Shimizu, Isamu; Umino, Takaaki; Yamada, Satoshi; et al.

no journal, , 

no abstracts in English

Oral presentation

Personal monitoring for assistance staff to Fukushima

Suzuki, Takehiko; Murayama, Takashi; Miyauchi, Hideaki; Sato, Yoshitaka; Oi, Yoshihiro; Tachibana, Haruo; Yoshitomi, Hiroshi

no journal, , 

Nuclear Science Research Institute is assisting activities concerning the accident of the Fukushima No.1 Nuclear Power Station including the environmental monitoring and the resident's house decontamination, etc. In these assistance, we executing the personal monitoring to assistance staff, because there was fear of the external exposure and the internal exposure. We did by the measurement and the evaluation method of the personal monitoring in consideration of the rise of the environmental background level. We introduce the method of use to evaluate the exposed dose etc.

Oral presentation

Measurement evaluation of $$beta$$-rays tissue absorbed dose rate in $$beta$$-ray reference fields made by PTB

Shimizu, Shigeru; Nemoto, Hisashi*; Kajimoto, Yoichi; Tatebe, Yosuke; Takahashi, Hiroshi*

no journal, , 

We were researched and developed in German federal physical engineering laboratory (PTB) and established the standard field of the $$beta$$ ray tissue absorbed dose rate corresponding to Series 1 of ISO6980-1(2006) to the Facility of Radiation Standard of Japan Atomic Energy Agency (JAEA) in February, 2010. We measured $$beta$$ ray tissue absorbed dose rate of this standard field using an extrapolation ionization chamber made in PTB. By the comparison between this result and standard value of PTB, both agreed well. In this announcement, we speak these evaluation results and comparison result. In addition, we speak that the $$beta$$ ray tissue absorbed dose rate at the time of the standard field use comes under a big influence by a change of the air density of the examination environment.

Oral presentation

Improvement of the analysis method of radioactive strontium in environmental samples

Kawasaki, Masatsugu; Watanabe, Yoko; Yamamoto, Hideaki

no journal, , 

no abstracts in English

Oral presentation

Feasibility of OSL dosimeter for environmental $$gamma$$-ray monitoring

Okura, Takehisa; Oishi, Tetsuya; Miyauchi, Hideaki; Yoshitomi, Hiroshi; Tachibana, Haruo; Higashi, Daisuke; Suzuki, Akifumi*; Kobayashi, Ikuo*

no journal, , 

no abstracts in English

Oral presentation

Radiation control in decommissioning of nuclear facilities

Higashi, Daisuke; Kawarai, Kunio; Yasu, Katsuji; Kinase, Susumu; Hiraga, Hayato

no journal, , 

no abstracts in English

Oral presentation

Radiation monitoring during medical and animal irradiation in research reactor facility

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

no journal, , 

no abstracts in English

Oral presentation

Radiation protection practices at the nuclear science research institute under the influence of Fukushima nuclear accident, 4; Environmental radiation monitoring

Oishi, Tetsuya; Kikuchi, Masamitsu; Takahashi, Kenichi; Okura, Takehisa; Akino, Hitoshi; Kawasaki, Masatsugu; Kikuta, Yasuaki; Saegusa, Jun; Shibanuma, Yukio; Yamamoto, Hideaki

no journal, , 

no abstracts in English

Oral presentation

Testing of commercially available neutron electronic personal dosemeters

Tsujimura, Norio; Yoshida, Tadayoshi; Takada, Chie

no journal, , 

no abstracts in English

Oral presentation

Radiation protection practices at the nuclear science research institute under the influence of Fukushima nuclear accident, 2; Radiation control of nuclear facilities

Kikuchi, Masamitsu; Umehara, Takashi; Shishido, Nobuhito; Kuramochi, Akihiko; Fujii, Katsutoshi; Nakajima, Junya

no journal, , 

no abstracts in English

Oral presentation

Development of a hand-held fast neutron survey meter

Yoshida, Tadayoshi; Tsujimura, Norio; Yamano, Toshiya*

no journal, , 

no abstracts in English

Oral presentation

Development and installation of new criticality accident alarm systems, 1; Historical background and design philosophy

Tsujimura, Norio; Yoshida, Tadayoshi

no journal, , 

no abstracts in English

Oral presentation

Development and installation of new criticality accident alarm systems, 2; Performance tests

Yoshida, Tadayoshi; Tsujimura, Norio

no journal, , 

no abstracts in English

Oral presentation

Consideration of the rising count rate of the water monitor at rainfall time

Haba, Risa; Yamada, Junya; Seya, Natsumi; Muto, Yasunobu; Shimizu, Takehiko; Takasaki, Koji

no journal, , 

no abstracts in English

Oral presentation

Use and the effect of surface contamination survey meter simulation program

Onuma, Isamu; Kobayashi, Makoto; Umehara, Takashi; Shimizu, Isamu

no journal, , 

no abstracts in English

54 (Records 1-20 displayed on this page)