Papers - AKATA Naohumi
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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
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Integrated radiation monitoring and interlock system for the LHD deuterium experiments
Nakanishi, H., Yokota, M., Aoyagi, M., Ohsuna, M., Ito, T., Imazu, S., Nonomura, M., Ogawa, K., Isobe, M., Akata, N., Tanaka, M., Saze, T., Nishimura, K., Hayashi, H., Miyake, H., Ogawa, H., Maeno, H., Emoto, M., Yoshida, M., Kawamura, T., Sakakibara, S, Ishiguro, S., Osakabe, M.
Fusion Engineering and Design 129 259 - 262 2018
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Monitoring of tritium concentration by simplified active sampler in a fusion test facility
Tanaka, M., Yamamoto, Y., Iwata, C., Akata, N.
Plasma and Fusion Research 13 2018
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Consideration on the Necessity of Tritium Limit in Foods in Japan - Perspective on the Current Food Regulation
Iwaoka Kazuki, Akata Naofumi, Hosoda Masahiro, Tokonami Shinji
PLASMA AND FUSION RESEARCH 12 2017.7
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A survey of a high natural radiation spot in Tono area, Japan
Akata, N., Ikeda, T., Minato, S., Shiroma, Y., Shimo, M.
Radiation Environment Medicine 6 34 - 38 2017.2
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Weak size dependence of resuspended radiocesium adsorbed on soil particles collected after the Fukushima nuclear accident
Kaneyasu, N., Ohashi, H., Suzuki, F., Okuda, T., Ikemori, F., Akata, N., Kogure, T.
Journal of Environmental Radioactivity 172 65 - 73 2017
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Absorbed dose rate in air at the NIFS Site before the deuterium plasma experiment in LHD
Shiroma, Y., Akata, N., Miyake, H., Hayashi, H., Saze, T., Tanaka, M., Nishimura, K.
Plasma and Fusion Research 12 2017
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Regional and global contributions of anthropogenic iodine-129 in monthly deposition samples collected in North East Japan between 2006 and 2015
Hasegawa, H., Ohtsuka, Y., Kakiuchi, H., Akata, N., Hisamatsu, S.
Journal of Environmental Radioactivity 2017
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Measurement system for alpha and beta emitters with continuous air sampling under different exposure situations
Yamada, R., Tamakuma, Y., Iwaoka, K., Hosoda, M., Shiroma, Y., Akata, N., Mizuno, H., Yamada, K., Kuroki, T., Tokonami, S.
Applied Radiation and Isotopes 126 79 - 82 2017
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2016年の日本大学郡山キャンパス内における放射性セシウムの蓄積量
加藤愛佳, 加藤一美, 齋藤祐峻, 大竹修平, 佐藤寛朗, 田村美樹, 渡邊瑞左, 渡部夏菜, 奥山克彦, 赤田尚史
放地研特別寄稿シリーズ，放射線地学研究所，SCS-120 1 - 4 2017
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Temporal variation of post-accident atmospheric Cs-137 in an evacuated area of Fukushima Prefecture: Size-dependent behaviors of Cs-137-bearing particles
Shinya Ochiai, Hidenao Hasegawa, Hideki Kakiuchi, Naofumi Akata, Shinji Ueda, Shinji Tokonami, Shun'ichi Hisamatsu
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 165 131 - 139 2016.12
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A simple method for sampling and analysis of particulate, inorganic gaseous and organic gaseous halogens in the atmosphere
Akata, N, Tsukada, H, Takahashi, T, Fukutani, S
Radiation Environment Medicine 5 ( 2 ) 29 - 32 2016.8
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Investigation of absorbed dose rate in air by car-borne survey in Namie Town, Fukushima Prefecture
Pornnumpa, C, Iwaoka, K, Akata, N, Hosoda, M, Sorimachi, A, Tokonami, S
Health Phys 51 115 - 121 2016.8
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Spatial and temporal changes of Cs-137 concentrations derived from nuclear power plant accident in river waters in eastern Fukushima, Japan during 2012-2014
Shinya Ochiai, Shinji Ueda, Hidenao Hasegawa, Hideki Kakiuchi, Naofumi Akata, Yoshihito Ohtsuka, Shun'ichi Hisamatsu
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 307 ( 3 ) 2167 - 2172 2016.3
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Long-Term Monitoring of Tritium Concentration in Environmental Water Samples Collected at Tono Area, Japan
Akata Naofumi, Tanaka Masahiro, Kato Hiromi, Yamanishi Hirokuni, Kakiuchi Hideki, Hayashi Hiroshi, Miyake Hitoshi, Nishimura Kiyohiko
PLASMA AND FUSION RESEARCH 11 13050302 2016.3
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A new pretreatment technique for environmental tritium analysis with microwave heating method
Naofumi Akata, Masahiro Tanaka, Sadatsugu Takayama, Hideki Kakiuchi, Toshiya Tamari, Saburo Sano
Plasma and Fusion Research 11 ( 1 ) 2016
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The Study of Natural Radiation Exposure in Cameroon
AKATA Naofumi, HOSODA Masahiro, TOKONAMI Shinji
Japanese Journal of Health Physics 51 ( 4 ) 204a - 204a 2016
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TRITIUM ACTIVITY CONCENTRATIONS AND RESIDENCE TIMES OF GROUNDWATER COLLECTED IN ROKKASHO, JAPAN
Hidenao Hasegawa, Shinji Ueda, Naofumi Akata, Hideki Kakiuchi, Shun'ichi Hisamatsu
RADIATION PROTECTION DOSIMETRY 167 ( 1-3 ) 201 - 205 2015.11