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Ohshima, Hiroyuki; Morishita, Masaki*; Aizawa, Kosuke; Ando, Masanori; Ashida, Takashi; Chikazawa, Yoshitaka; Doda, Norihiro; Enuma, Yasuhiro; Ezure, Toshiki; Fukano, Yoshitaka; et al.
Sodium-cooled Fast Reactors; JSME Series in Thermal and Nuclear Power Generation, Vol.3, 631 Pages, 2022/07
This book is a collection of the past experience of design, construction, and operation of two reactors, the latest knowledge and technology for SFR designs, and the future prospects of SFR development in Japan. It is intended to provide the perspective and the relevant knowledge to enable readers to become more familiar with SFR technology.
Kurihara, Momo*; Yasutaka, Tetsuo*; Aono, Tatsuo*; Ashikawa, Nobuo*; Ebina, Hiroyuki*; Iijima, Takeshi*; Ishimaru, Kei*; Kanai, Ramon*; Karube, Jinichi*; Konnai, Yae*; et al.
Journal of Radioanalytical and Nuclear Chemistry, 322(2), p.477 - 485, 2019/11
Times Cited Count：2 Percentile：21.58(Chemistry, Analytical)We assessed the repeatability and reproducibility of methods for determining low dissolved radiocesium concentrations in freshwater in Fukushima. Twenty-one laboratories pre-concentrated three of 10 L samples by five different pre-concentration methods (prussian-blue-impregnated filter cartridges, coprecipitation with ammonium phosphomolybdate, evaporation, solid-phase extraction disks, and ion-exchange resin columns), and activity of radiocesium was measured. The z-scores for all of the 
Cs results were within 
2, indicating that the methods were accurate. The relative standard deviations (RSDs) indicating the variability in the results from different laboratories were larger than the RSDs indicating the variability in the results from each separate laboratory.
CrMnO
thin filmsYoshimatsu, Kohei*; Ishimaru, Junya*; Watarai, Keisuke*; Yamamoto, Kohei*; Hirata, Yasuyuki*; Wadachi, Hiroki*; Takeda, Yukiharu; Horiba, Koji*; Kumigashira, Hiroshi*; Sakata, Osami*; et al.
Physical Review B, 99(23), p.235129_1 - 235129_8, 2019/06
Times Cited Count：10 Percentile：49.82(Materials Science, Multidisciplinary)Maekawa, Keisuke; Sawada, Atsushi; Ota, Kunio; Kurikami, Hiroshi; Kunimaru, Takanori; Funaki, Hironori; Hama, Katsuhiro; Takeuchi, Shinji; Amano, Kenji; Saegusa, Hiromitsu; et al.
JAEA-Review 2007-011, 8 Pages, 2007/03
JAEA-Review-2007-011.pdf:0.66MB
In the current programme for research and development on the technical aspects of geological disposal, it is of significance to establish techniques for evaluating solute transport with a direct link to surface-based investigations through the processes of data interpretation, modelling and parameter designation within the immediate five years following the H17 Project. This report presents a basic approach to promoting multidisciplinary research activities involving field investigations and relevant solute transport analysis.
Shimizu, Kazuhiko; Ishimaru, Tsuneari; Maekawa, Keisuke
Doboku Gakkai Rombunshu, (756), VI-62 Pages, 2004/03
no abstracts in English
Kagohara, Kyoko; Takada, Keita*; Goto, Hideaki*; Kurosawa, Hideki; Ishimaru, Tsuneari
no journal, ,
no abstracts in English
Niwa, Masakazu; Shimada, Koji; Aoki, Kazuhiro; Seshimo, Kazuyoshi; Tanaka, Yoshihiro; Okubo, Nariaki; Kondo, Keietsu; Yasue, Kenichi; Ishimaru, Tsuneari; Umeda, Koji
no journal, ,
Hydrothermal clay veins in granite show similar appearance to clay-rich fault gouge in field outcrops. Thus precise identification of earthquake-related fault gouge, including discrimination from aseismic clay veins, is important for a reliable seismic hazard assessment. In this study, in-depth description was carried out for samples of a fault gouge and a clay vein from the Kojaku Granite in the western part of the Tsuruga Peninsula, central Japan. Observation of the clay-rich gouge and vein using scanning electron microscope and transmission electron microscope revealed clear difference of their microscopic textures, regardless of their clay mineral compositions.
