論文 - 赤田 尚史
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Variation analysis of atmospheric (7)Be activity concentrations with respect to precipitation.
Narazaki Y, Sakoda A, Akata N, Itoh H, Momoshima N
Journal of environmental radioactivity 277 107432 - 107432 2024年07月
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六ケ所再処理工場のアクティブ試験時における環境放射能 —放出された放射性物質の環境への影響について—
植田真司，長谷川英尚，柿内秀樹，大塚良仁，阿部康一，赤田尚史，落合伸也
RADIOISOTOPES 73 81 - 99 2024年03月
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Temporal variation of tritium concentration in monthly precipitation collected at a Difficult-to-Return Zone in Namie Town, Fukushima Prefecture, Japan.
Yamada R, Hasegawa H, Akata N, Kakiuchi H, Ochiai S, Kuwata H, Kheamsiri K, Tokonami S, Ueda S
Environmental science and pollution research international 31 ( 5 ) 7818 - 7827 2024年01月
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Assessing the variability of tissue-free water tritium and non-exchangeable organically bound tritium in pine needles in Fukushima using atmospheric tritrated water vapor
Shigekazu Hirao, Hideki Kakiuchi, Naofumi Akata, Toshiya Tamari, Shinji Sugihara, Nagayoshi Shima, Masahiro Tanaka
Science of The Total Environment 907 2024年01月
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Uranium Isotope Characterization in Volcanic Deposits in a High Natural Background Radiation Area, Mamuju, Indonesia
Ilsa Rosianna, Eka Djatnika Nugraha, Hirofumi Tazoe, Heri Syaeful, Adi Gunawan Muhammad, I Gde Sukadana, Frederikus Dian Indrastomo, Ngadenin, Fadiah Pratiwi, Agus Sumaryanto, Sucipta Sucipta, Hendra A. Pratama, Deni Mustika, Leli Nirwani, Nurokhim, Yasutaka Omori, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
Geosciences 13 388 2023年12月
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Calibration experiments for radon in drinking water measurements using portable-type electrostatic-collection radon monitors
Masahiro Hosoda, Yasutaka Omori, Hiroki Hashimoto, Maho Matsumoto, Yumi Yasuoka, Tetsuya Sanada, Yuki Oda, Mizuki Kiso, Aoi Sampei, Chutima Kranrod, Hirofumi Tazoe, Naofumi Akata, Yasuyuki Taira, Yuki Tamakuma, Ryohei Yamada, Hiromi Kudo, Mayumi Shimizu, Shinji Tokonami
Radiation Protection Dosimetry 199 ( 18 ) 2203 - 2206 2023年11月
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Tritium concentration in bottled drinking water and internal dose assessment
Khemruthai Kheamsiri, Naofumi Akata, Haruka Kuwata, Masahiro Tanaka, Masahiro Hosoda, Michiya Sasaki, Yoshitaka Shiroma, Shinji Tokonami, Ryohei Yamada, Chutima Kranrod, Kazuki Iwaoka, Tibor Kovάcs
Journal of Radioanalytical and Nuclear Chemistry 2023年07月
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Environmental radioactivity measurements in soil using inductively coupled plasma mass spectrometry and gamma-ray spectrometry in various areas in Cameroon
Modibo Oumar Bobbo, Guosheng Yang, Saïdou, Hirofumi Tazoe, Naofumi Akata, Chutima Kranrod, Masahiro Hosoda, Shinji Tokonami
Journal of Radioanalytical and Nuclear Chemistry 2023年07月
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弘前大学高度被ばく医療支援センターにおける内部被ばく線量評価のためのバイオアッセイへの取り組み
山田 椋平, 小山内 理, 赤田 尚史, 田副 博文, 辻口 貴清, 伊藤 勝博, 花田 裕之, 床次 眞司, 柏倉 幾郎
保健物理 58 ( 1 ) 27 - 30 2023年04月
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Tritium Concentration in Natural Spring Water Collected at Hirosaki, Japan
Naofumi AKATA, Kazusa OKADA, Haruka KUWATA, Khmruthai KHEAMSIRI, Masahiro HOSODA, Hirofumi TAZOE, Ryo YASUHARA, Shinji SUGIHARA, Ryohei YAMADA, Masahiro TANAKA
Plasma and Fusion Research 18 2405030 - 2405030 2023年04月
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Spatial variations of 10Be in surface snow along the inland traverse route of Japanese Antarctic Research Expeditions
Kazuho Horiuchi, Shinji Kato, Kou Ohtani, Naoyuki Kurita, Shun Tsutaki, Fumio Nakazawa, Hideaki Motoyama, Kenji Kawamura, Hirofumi Tazoe, Naofumi Akata, Takeyasu Yamagata, Hiroyuki Matsuzaki
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 533 61 - 65 2022年12月
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LEVELS OF ATMOSPHERIC TRITIUM IN THE SITE OF FUSION TEST FACILITY.
Tanaka M, Iwata C, Nakada M, Kato A, Akata N
Radiation protection dosimetry 198 ( 13-15 ) 1084 - 1089 2022年09月
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INFLUENCE OF SAMPLING FLOW RATE ON THORON EXHALATION RATE MEASUREMENTS BY THE CIRCULATION METHOD.
Hosoda M, Yamada R, Kobyashi H, Tamakuma Y, Nugraha ED, Hashimoto H, Negami R, Kranrod C, Omori Y, Tazoe H, Akata N, Tokonami S
Radiation protection dosimetry 198 ( 13-15 ) 904 - 908 2022年09月
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TRITIUM CONCENTRATION IN MONTHLY PRECIPITATION NEAR THE FUSION TEST FACILITY IN JAPAN BEFORE AND AFTER THE DEUTERIUM PLASMA EXPERIMENT.
Akata N, Iwata C, Nakada M, Kato A, Okada K, Kuwata H, Nakasone S, Tanaka M
Radiation protection dosimetry 198 ( 13-15 ) 976 - 984 2022年09月
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TEMPORAL VARIATION OF POST-ACCIDENT 129I IN ATMOSPHERIC PARTICULATE MATTER COLLECTED FROM AN EVACUATED AREA OF FUKUSHIMA PREFECTURE, JAPAN.
Hasegawa H, Kakiuchi H, Ochiai S, Akata N, Ueda S, Tokonami S
Radiation protection dosimetry 198 ( 13-15 ) 1143 - 1149 2022年09月
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SPECIATION OF CESIUM ISOTOPES IN RIVER WATER: A CASE STUDY IN THE UKEDO RIVER.
Tazoe H, Tachizaki R, Tomisaka Y, Kuwata H, Akata N
Radiation protection dosimetry 198 ( 13-15 ) 1077 - 1083 2022年09月
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PERFORMANCE EVALUATION OF COMMERCIAL SCINTILLATION COCKTAILS FOR LOW-LEVEL TRITIUM COUNTING BY HIGH-CAPACITY LIQUID SCINTILLATION COUNTER.
Kuwata H, Tazoe H, Kranrod C, Fujiwara K, Terashima M, Matsueda M, Hirao S, Akata N
Radiation protection dosimetry 198 ( 13-15 ) 1014 - 1018 2022年09月
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Analysis of Factors Contributing to the Increase in (7)Be Activity Concentrations in the Atmosphere.
Narazaki Y, Sakoda A, Akata N, Itoh H, Momoshima N
International journal of environmental research and public health 19 ( 16 ) 10128 - 10128 2022年08月
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Monthly Precipitation Collected at Hirosaki, Japan: Its Tritium Concentration and Chemical and Stable Isotope Compositions
Haruka Kuwata, Naofumi Akata, Kazusa Okada, Masahiro Tanaka, Hirofumi Tazoe, Naoyuki Kurita, Nao Otashiro, Ryoju Negami, Takahito Suzuki, Yuki Tamakuma, Yoshitaka Shiroma, Masahiro Hosoda
Atmosphere 13 ( 5 ) 848 - 848 2022年05月
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222Rn and 226Ra Concentrations in Spring Water and Their Dose Assessment Due to Ingestion Intake
Ryohei Yamada, Masahiro Hosoda, Tomomi Tabe, Yuki Tamakuma, Takahito Suzuki, Kevin Kelleher, Takakiyo Tsujiguchi, Yoshiki Tateyama, Eka Djatnika Nugraha, Anna Okano, Yuki Narumi, Chutima Kranrod, Hirofumi Tazoe, Kazuki Iwaoka, Yumi Yasuoka, Naofumi Akata, Tetsuya Sanada, Shinji Tokonami
International Journal of Environmental Research and Public Health 19 ( 3 ) 1758 - 1758 2022年02月