Papers - AKATA Naofumi
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Development of field estimation technique and improvement of environmental tritium behavior model
Sumi Yokoyama, Tomoyuki Takahashi, Masakazu Ota, Hideki Kakiuchi, Shinji Sugihara, Sigekazu Hirao, Noriyuki Momoshima, Toshiya Tamari, Nagayoshi Shima, Mariko Atarashi-Andoh, Satoshi Fukutani, Syunya Nakasone, Masahide Furukawa, Masahiro Tanaka, Naofumi Akata
Plasma and Fusion Research 14 2019.6
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Radiation control in LHD and radiation shielding capability of the torus hall during first campaign of deuterium experiment
Makoto Kobayashi, Takuya Saze, Hitoshi Miyake, Kunihiro Ogawa, Mitsutaka Isobe, Masahiro Tanaka, Naofumi Akata, Kiyohiko Nishimura, Hiroshi Hayashi, Takashi Kobuchi, Mitsuhiro Yokota, Masaki Osuna, Hideya Nakanishi, Masaki Osakabe, Yasuhiko Takeiri
Fusion Engineering and Design 143 180 - 187 2019.6
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Determination of non‑exchangeable organically bound tritium concentration in reference material of pine needles (NIST 1575a)
AKATA Naofumi, KAKIUCHI Hideki, SHIMA Nagayoshi, TAMARI Toshiya, Kovacs Tibor
Journal of Radioanalytical and Nuclear Chemistry 319 ( 3 ) 1359 - 1363 2019.3
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Concentrations of iodine-129 in livestock, agricultural, and fishery products around spent nuclear fuel reprocessing plant in Rokkasho, Japan, during and after its test operation
Yuhi Sato, Hideki Kakiuchi, Shinji Ueda, Naofumi Akata, Shun'ichi Hisamatsu
Environmental Monitoring and Assessment 191 2019.2
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Determination of Non-Exchangeable Organically Bound Tritium concentration in reference material of pine needles (NIST 1575a)
Naofumi Akata, Hideki Kakiuchi, Nagayoshi Shima, Toshiya Tamari, Tibor Kovacs
Journal of Radioanalytical and Nuclear Chemistry 319 ( 3 ) 1359 - 1363 2019.1
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Evaluating anthropogenic and environmental tritium effects using precipitation and Hokkaido snowpack at selected coastal location in Asia
Gusyev, M.A., Morgenstern, U., Nishihara, T., Hayashi, T., Akata, N., Ichiyanagi, K., Sugimoto, A., Hasegawa, A., Stewart, M.K.
Science of the Total environment 659 1307 - 1321 2019.1
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Natural radiation exposure to the public in the uranium bearing region of Poli, Cameroon: From radioactivity measurements to external and inhalation dose assessment
Saïdou, Tokonami, S., Hosoda, M., Flore, T., Joseph, N., Akata, N., Bobbo, O., Joseph, P.
Journal of Geochemical Exploration 205 16350 2019.1
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Comparative study on performance using five different gamma-ray spectrometers for thyroid monitoring under nuclear emergency situations
Hosoda, M, Iwaoka, K, Tokonami, S, Tamakuma, Y, Shiroma, Y, Fukuhara, T, Imajyo, Y, Taniguchi, J, Akata, N, Osanai, M, Tsujiguchi, T, Yamaguchi, M, Kashiwakura, I
Health Physics 116 81 - 87 2019.1
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Jyuhyo(Ice Monster) in Mt.Zao (2) -Determining Sources of Cross Border Air Pollutants Using Images from Artificial Satellite-
Hobara Yuta, Akata Naofumi, Yanagisawa Fumitaka
Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 2019 ( 0 ) 229 2019
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Jyuhyo (Ice Monster) in Mt.Zao (3) - Influence from Stratosphere to Mt.Zao Using Beryllium-7 -
Asahiro Yuya, Sato Katsuki, Akata Naofumi, Yanagisawa Fumitaka
Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 2019 ( 0 ) 230 2019
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Expiratory testing as a simple and effective bioassay method for screening workers for tritium exposure in fusion test facilities
N. Akata, C. Iwata, H. Miyake, M. Tanaka
Plasma and Fusion Research 13 1305076 2018.6
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Development of rapid sampling system of atmospheric water vapor for tritium measurement
Akata, N, Kakiuchi, H, Tanaka, M, Shima, N, Shiroma, Y, Tokonami, S, Hosoda, M, Ishikawa, Y, Furukawa, M, Sanada, T
Plasma and Fusion Research 13 3405064 2018.6
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沖縄島における陸水中トリチウム濃度
仲宗根峻也，石津裕二，池本憲弘，城間吉貴，赤田尚史，田中将裕，古川雅英
保健物理 53 65 - 71 2018.6
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Air absorbed dose rate measurements and external dose assessment by car-norne survey in the gold mining areas of Betare-Oya, Eastern Cameroon, Jpn
Engola, L.N, Ndjana Nkoulou II, J. E, Hosoda, M, Bongue, D, Saidou, Akata, N, Heya, R. K, Kwato Njock, M. G, Tokonami, S
Health Phys 53 5 - 11 2018.6
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Concentrations of chemical components, including 210Pb, present in aerosols collected at Naha, Okinawa Prefecture, a sub-tropical region of Japan
Akata, N., Shiroma, Y., Furukawa, M., Kato, A., Kakiuchi, H., Hosoda, M., Kanai, Y., Yanagisawa, F.
Japanese Journal of Health Physics 53 17 - 22 2018.3
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Atmospheric concentration and deposition flux of cosmogenic beryllium-7 at Toki, located at the central part of Japan
Akata, N., Shiroma, Y., Ikemoto, N., Kato, A., Hegedus, M., Tanaka, M., Kakiuchi, H., Kovacs, T.
Radiation Environment and Medicine 7 47 - 52 2018.3
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Air absorbed dose rate measurements and external dose assessment by car-norne survey in the gold mining areas of Betare-Oya, Eastern Cameroon
Engola, L.N., Ndjana Nkoulou II, J. E., Hosoda, M., Bongue, D., Saidou, Akata, N., Heya, R. K., Kwato Njock, M. G., Tokonami, S.
Jpn. J. Health Phys. 53 5 - 11 2018.3
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Air Absorbed Dose Rate Measurements and External Dose Assessment
Louis Ngoa Engola, Joseph Emmanuel Ndjana, Nkoulou II, Masahiro Hosoda, Daniel Bongue, Saidou, Naofumi Akata, Rosalie Koukong Heya, Mo?se Godfroy, Kwato Njock, Shinji Tokonami
Japanese Journal of Health Physics 53 ( 1 ) 200 - 209 2018.1
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Determination of tritium activity and chemical forms in the exhaust gas from a large fusion test device
Tanaka, M., Kato, H., Suzuki, N., Iwata, C., Akata, N.
Journal of Radioanalytical and Nuclear Chemistry 318 877 - 885 2018
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Impacts of anthropogenic source from the nuclear fuel reprocessing plants on global atmospheric iodine-129 cycle: a model analysis
Kadowaki, M., Katata, G., Terada, H., Suzuki, T., Hasegawa, H., Akata, N., Kakiuchi, H.
Atmospheric Environment 184 278 - 291 2018