研究実績 - achievement

  • 2019 articles

    J.Rachmadetin, S. Tanaka, N. Watanabe, T. Kozaki, Calcium carbonate precipitation in compacted bentonite using electromigration reaction method and its application to estimate the ion activity coefficient in the porewater, Journal of Nuclear Science and Technology (in printing).
    T. Ohnuki, F. Sakamoto, N. Kozai, K. Nanba, H. Neda, Y. Sasaki, T. Niizato, N. Watanabe and T. Kozaki, Role of filamentous fungi in migration of radioactive cesium in the Fukushima forest soil environment, Environmental Science: Processes & Impacts (in printing)

  • 2018 article

    N. Watanabe, R. Miyoshi, T. Kozaki, S. Tanaka, S. Yanagihara, Cost analysis for decomissioning of nuclear power plants with uncertainties, Proceedings of 26th International Conference on Nuclear Engineering (ICONE26) ICONE26-82572, (2018).

  • 2016 articles

    Yamaji K., Nagata S., Haruma T., Ohnuki T., Kozaki, T., Watanabe N., Nanba K., Root endophytic bacteria of a 137Cs and Mn accumulator plant, Eleutherococcus sciadophylloides, increase 137Cs and Mn desorption in the soil. Journal of Environmental Radioactivity 153, 112-119 (2016).
    T. Ohta, Y. Mahara, S. Fukutani, T. Kubota, H. Matsuzaki, Y. Shibahara, T. Igarashi, R. Fujiyoshi, N. Watanabe, T. Kozaki Speciation of 137Cs and 129I in Soil After the Fukushima NPP Accident, Radiological Issues for Fukushima’s Revitalized Future, Editors: Takahashi, Tomoyuki (Ed.) , Springer,P13-24 (2016),DOI 10.1007/978-4-431-55848-4_2,ISBN: 978-4-431-55847-7

  • 2015 articles

    Toshihiko Ohnuki, Fuminori Sakamoto, Shinya Yamasaki, Hiroyuki Shiotsu, Satoshi Utsunomiya, Naoko Watanabe, Tamotsu Kozaki, Effect of minerals on accumulation of Cs by fungus Saccaromyces cerevisiae,Journal of Environmental Radioactivity 144, 127-133 (2015).
    H. Takiya, N. Watanabe, T. Kozaki, S. Sato, Effects of water-to-cement ratio and temperature on diffusion of water in hardened cement pastes, Journal of Nuclear Science and Technology 52, 728–738 (2015).
    S. Tanaka, H. Yokota, H. Ohno, M. Nakayama, T. Fujita, H. Takiya, N. Watanabe, T. Kozaki, Dipole tracer migration and diffusion tests in fractured sedimentary rock at Horonobe URL,Proceedings of 23th International Conference on Nuclear Engineering (ICONE23),ICONE23-1860, (2015).

  • 2014 articles

    小崎完,生田誉宗,渡辺直子,岩田佳代子,田上恵子,環境放射能に関する原子力人材育成,第15回環境放射能研究会 Proceedings (KEK Proceedings 2014-7) 361-367 (2014).
    .岩田佳代子,田上恵子,生田誉宗,渡辺直子,小崎完,福島県飯舘村における除染実習のための木本植物汚染の現状把握,第15回環境放射能研究会 Proceedings (KEK Proceedings 2014-7) 261-267 (2014).

  • 2013 articles

    Seo E., Jeong C., Sato S., Kozaki, T. An optimal model of the representative habit data for complex environmental exposure systems. Journal of Nuclear Science and Technology 50, 534-545 (2013).

  • 2012 articles

    Eun-Jin Seo, Chan Woo Jeong, Seichi SATO: Application of risk-based approach to post-closure safety assessment in radioactive waste disposal: An integration of complex radiation exposure situations, Annals of Nuclear Energy 49, 96–101 (2012).

  • 2011 articles

    Seichi Sato, Shingo Tanaka, "Experimental Electro-Osmosis Study of Water-Saturated, Compacted Clay using Tracers", in Advances in Chemistry Research, pp. 223~242, vol. 12, J. C. Tayler, ed., NOVA Publishers (2012).
    Fumio HIRANO, Seichi SATO, Tamotsu KOZAKI, Yaohiro INAGAKI, Tomohiko IWASAKI, Toshiaki OHE, Kazuyuki KATO, Kazumi KITAYAMA, Shinya NAGASAKI, Yuichi NIIBORI: Burning of MOX Fuels in LWRs; Fuel History Effects on Thermal Properties of Hull and End Piece Wastes and the Repository Performance, Journal of Nuclear Science and Technology,49, 310-319 (2012).

  • 2010 articles

    Shingo TANAKA, Natsuko NODA, Seichi SATO, Tamotsu KOZAKI, Haruo SATO and Koichiro HATANAKA: Electrokinetic study of migration of anions, cations and water in water-saturated compacted sodium montmorillonite, Journal of Nuclear Science and Technology,?48, 454-462(2011).
    Hiroshi ITO, Naoyuki MIYASAKA, Tamotsu KOZAKI and Seichi SATO: A Study on Hydraulic Properties of Compacted Fe(III)-montmorillonite, Journal of Nuclear Science and Technology,?47, 1005-1010(2010).
    Eun-Jin Seo, Chan Woo Jeong and Seichi SATO: An Integrated Approach to Risk-based Post-closure Safety Evaluation of Complex Radiation Exposure Situations in Radioactive Waste Disposal, Journal of Radiation Protection,?35, 6-11(2010).
    Tamotsu Kozaki, Takuma Sawaguchi, Atsushi Fujishima, Seichi Sato: Effect of exchangeable cations on apparent diffusion of Ca2+?ions in Na- and Ca-montmorillonite mixtures, Physics and Chemistry of the Earth,?35, 254-258(2010).
    Satoshi Tomioka, Tamotsu Kozaki, Hidenori Takamatsu, Natsuko Noda, Shunsuke Nishiyama, Naofumi Kozai, Satoru Suzuki, Seichi Sato: Analysis of microstructural images of dry and water-saturated compacted bentonite samples observed with X-ray micro CT, Applied Clay Science,?47, 65-71(2010).

  • 2009 articles

    Jayappa Manjanna, Tamotsu Kozaki, Seichi Sato: Fe(III)-montmorillonite: Basic properties and diffusion of tracers relevant to alteration of bentonite in deep geological disposal, Applied Clay Science?43, 208-217 (2009).
    Fumio Hirano, Seichi Sato, Tamotsu Kozaki, Yaohiro Inagaki, Tomohiko Iwasaki, Toshiaki Ohe, Kazuyuki Kato, Kazumi Kitayama, Seishi Torikai, Yuichi Niibori,Shinya Nagasaki: Thermal Impact on Geological Disposal of Hull and End Piece Wastes Resulting from High-Burn-up Operation of LWR and Introduction of MOX Fuels into LWR, Journal of Nuclear Science and Technology,?46(5), 443-452 (2009).
    Yaohiro Inagaki, Tomohiko Iwasaki, Seichi Sato, Toshiaki Ohe, Kazuyuki Kato, Seishi Torikai, Yuichi Niibori, Shinya Nagasaki, Kazumi Kitayama: LWR High Burn-Up Operation and MOX Introduction; Fuel Cycle Performance from the Viewpoint of Waste Management, Journal of Nuclear Science and Technology,?46(7), 667-689 (2009).

  • 2008 articles

    Shingo Tanaka, Natsuko Noda, Tomohiro Higashihara, Seichi Sato, Tamotsu Kozaki, Haruo Sato, Koichiro Hatanaka: Kinetic behavior of water as migration media in compacted montmorillonite using H218O and applying electric potential gradient, Physics and Chemistry of the Earth,?33, S163-S168 (2008).
    Tomohiro Higashihara, Kumiko Kinoshita, Yorimasa Akagi, Seichi Sato, Tamotsu Kozaki: Transport number of sodium ions in water-saturated, compacted Na-montmorillonite, Physics and Chemistry of the Earth,?33, S142-S148 (2008).
    Fuminori Sato, Chikanori Miwata, Natsuko Noda, Seichi Sato, Tamotsu Kozaki, Tomohiro Higashihara, Michihiko Hironaga, Motoi Kawanishi: Diffusion of He in OPC Paste and Low-heat Portland Cement Paste Containing Fly-ash in Contact with Aqueous Phase, Proceeding of the 16th Pacific Basin Nuclear Conference, Aomori, Japan, Octber 13-18, 2008.?Akihiro Hara, Tamotsu Kozaki, Seichi Sato, Toshiyuki Nakazawa, Hiroyasu Kato: The effect of microbial activities on sorption behavior of organic?14C, Geochimica Et Cosmochimica Acta,?72(12), A352-A352 (2008)?
    Tetsuya Ishii, Junichi Nemoto, Takeo Asaga, Seichi Sato, Alexander A. Mayorshin, Oleg V. Shishalov, Fedor N. Kryukov: Development of a Performance Analysis Code for Vibro-Packed MOX Fuels, Journal of Nuclear Science and Technology,45, 263-273 (2008).
    Tamotsu Kozaki, Jinhong Liu, Seichi Sato: Diffusion mechanism of sodium ions in compacted montmorillonite under different NaCl concentration, Physics and Chemistry of the Earth,?33, 957-961 (2008).

  • 2007 articles

    Jayappa Manjanna, Tamotsu Kozaki, Naofumi Kozai, Seichi Sato: A New Method for Fe(II)-montmorillonite Preparation Using Fe(II)-nitrilotriacetate Complex, Journal of Nuclear Science and Technology,?44(7), 929-932 (2007).
    Naofumi Kozai, Koichi Inada, Yoshifusa Adachi, Sachi Kawamura, Yusuke Kashimoto, Tamotsu Kozaki, Seichi Sato, Toshihiko Ohnuki, Takuro Sakai, Takahiro Sato, Masakazu Oikawa, Fumitaka Esaka, Hisayoshi Mitamura: Characterization of homoionic Fe2+-type montmorillonite: Potential chemical species of iron contaminant, Journal of Solid State Chemistry,?180, 2279-2289 (2007).
    asahide Takano, Susumu Tagami, Kazuo Minato, Tamotsu Kozaki, Seichi Sato: Lattice thermal expansions of (Dy, Zr)N solid solutions, Journal of Alloys and Compounds,?439, 215-220 (2007).
    Kozo Katsuyama, Tsuyoshi Nagamina, Shin-ichiro Matsumoto, Seichi Sato: High energy X-ray CT study on the central void formations and the fuel pin deformations of FBR fuel assemblies, Nuclear Instruments and Methods in Physics Research,?B255, 365-372 (2007).
    Ken-ichi Shiramine, Shunichi Muto, Tamaki Shibayama, Norihito Sakaguchi, Hideki Ichinose, Tamotsu Kozaki, Seichi Sato, Yoshiaki Nakata, Naoki Yokoyama, Masafumi Taniwaki: Tip artifact in atomic force microscopy observations of InAs quantum dots grown in Stranski-Krastanow mode, Journal of Applied Physics,?101, 033527, (2007).

  • 2005 articles

    Tadahiko Mizuno, Tadashi Akimoto, Kazuhisa Azumi, Tadayoshi Ohmori, Yoshiaki Aoki, Akito Takahashi, Hydrogen Evolution by Plasma Electrolysis in Aqueous Solution, Jpn. J. Appl. Phys.,?44(1A), (2005).
    T.Sakuragi, S.Sawa, S.Sato, T.Kozaki, T.Mitugashira, M.Hara, Y.Suzuki, Intraction of Americium(III) with Hmic Acid over Wide pH Region, Journal of Radioanalytical and Nuclear Chemistry,?265(3),349-353, (2005).
    T.Higashihara, H.Shibuya, S.Sato, T.Kozaki: Activation Energy for Diffusion for Helium in Water-Saturated Compacted Na-Montmorillonite, Engineering Geology,?81,365-370(2005).
    S.Sato, Y.Inagaki, T.Iwasaki, T.Ohe, K.Kato, S.Torikai, Y.Niibori :Key Issues in Nuclear Fuel Cycle Concerning High Burn-up Strategy, in Proceedings of International Conference GLOBAL 2005, Paper No.547,Tsukuba International Congress Center, Tsukuba, Japan, Oct.9-13(2005).
    Tamotsu Kozaki, Atsushi Fujishima, Nobuhiko Saito, Seichi Sato and Hiroshi Ohashi, Effects of dry density and exchangeable cations on the diffusion process of sodium ions in compacted montmorillonite, Engineering Geology,?81, 246-254(2005).

  • 2004 articles

    T. Sakuragi, S. Sawa, S. Sato, T. Kozaki, T. Mitsugashira, M. Hara, Y. Suzuki: Complexation of Americium(III) with Humic Acid by Cation Exchange and Solvent Extraction, Journal of Radioanalytical and Nuclear Chemistry,?261, 309-314(2004).
    T. Higashihara, K. Kinoshita, S. Sato, T. Kozaki: Electromigration of Sodium Ions and Electro-Osmostic Flow in Water-Saturated, Compacted Na-Montmorillonite, Applied Clay Science,?26, 91-98(2004).
    Shigezo Shimokawa, Tetsuro Yokono, Tadahiko Mizuno, Hiroki Tamura, Tomoki Erata and Tsunehisa Araiso, Effect of Far-Infrared Light irradiation on Water as Observed by X-Ray Diffraction Measurements, Jpn. J. Appl. Phys.,?43(4B), L545-L547, 2004.
    Tetsuro Yokono, Shigezo Shimokawa, Tadahiko Mizuno, Makio Yokono and Toshio Yokokawa, Clathrate-like Ordering in Liquid Water induced by Infrared Irradiation, Jpn. J. Appl. Phys,?43(11A), L1436-L1438, 2004.
    T. Sakuragi, S. Sato, T. Kozaki, T. Mitsugashira, M. Hara, Y. Suzuki: Am(Ⅲ) and Eu(Ⅲ) Uptake on Hematite in the Presence of Humic Acid, Radiochimica Acta,?92, 697-702, 2004.

  • 2003 articles

    Jinhong Liu, Hiromichi Yamada, Tamotsu Kozaki, Seichi Sato and Hiroshi Ohashi, Effect of Silica Sand on Activation Energy for Diffusion of Sodium Ions in Montmorillonite and Silica Sand Mixture, Journal of Contaminant Hydrology,?61(1-4), 85-93(2003).
    Jinhong Liu, Tamotsu Kozaki, Yusuke Horiuchi and Seichi Sato, Microstructure of montmorillonite/silica sand mixture and its effects on the diffusion of strontium ions, Applied Clay Science,?23, 89-95(2003).
    K. Shiramine, S. Sato, T. Shibayama, H. Takahashi, T. Kozaki, S. Sato, Y. Nakata, N. Yokoyama: Size, density, and shape of InAs quantam dots in closely stacked multilayers grown by the Stranski-Krastanow mode, Journal of vacuum science & technology B,?21, 2054-2059(2003).
    Yukiko Mizuno and Tadahiko Mizuno, Photon emission accompanying deformation and fracture of ice, Can. J. Phys.,?81, 71-80, 2003.
    Tadayoshi Ohmori, Hiroshi Yamada, S. Narita, Tadahiko Mizuno and Yoshiaki Aoki, Enrichment of 41K isotope in potassium formed on and in rhenium electrode during plasma electrolysis in K2CO3/H2O and K2CO3/D2O solutions, J. Appl. Electrochem.,?33, 643-646, 2003.