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Journal Articles

Citizen science observation of a gamma-ray glow associated with the initiation of a lightning flash

Tsurumi, Miwa*; Enoto, Teruaki*; Ikkatai, Yuko*; Wu, T.*; Wang, D.*; Shinoda, Taro*; Nakazawa, Kazuhiro*; Tsuji, Naoki*; Diniz, G.*; Kataoka, Jun*; et al.

Geophysical Research Letters, 50(13), p.e2023GL103612_1 - e2023GL103612_9, 2023/07

 Times Cited Count:0 Percentile:0(Geosciences, Multidisciplinary)

Journal Articles

Multiple gamma-ray glows and a downward TGF observed from nearby thunderclouds

Hisadomi, Shohei*; Nakazawa, Kazuhiro*; Wada, Yuki*; Tsuji, Yuna*; Enoto, Teruaki*; Shinoda, Taro*; Morimoto, Takeshi*; Nakamura, Yoshitaka*; Yuasa, Takayuki*; Tsuchiya, Harufumi

Journal of Geophysical Research; Atmospheres, 126(18), p.e2021JD034543_1 - e2021JD034543_12, 2021/09

 Times Cited Count:15 Percentile:80.71(Meteorology & Atmospheric Sciences)

Journal Articles

Repeatability and reproducibility of measurements of low dissolved radiocesium concentrations in freshwater using different pre-concentration methods

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 $$^{137}$$Cs results were within $$pm$$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.

JAEA Reports

"Development of mutual separation technology of minor actinides by the novel hydrophilic and lipophilic diamide compounds" summary of the researches for three years (Contract research)

Sasaki, Yuji; Tsubata, Yasuhiro; Kitatsuji, Yoshihiro; Sugo, Yumi; Shirasu, Noriko; Ikeda, Yasuhisa*; Kawasaki, Takeshi*; Suzuki, Tomoya*; Mimura, Hitoshi*; Usuda, Shigekazu*; et al.

JAEA-Research 2014-008, 220 Pages, 2014/06

JAEA-Research-2014-008.pdf:41.81MB

The researches on Development of mutual separation technology of minor actinides by the novel hydrophilic and lipophilic diamide compounds, entrusted to Japan Atomic Energy Agency by the Ministry of Education, Culture, Sports, Science and Technology of Japan, from 2010 to 2012 are summarized. This project was composed of three themes, those are (1) Development of total recovery of MA+Ln: basic researches for new extractant, DOODA, (2) Development of mutual separation of Am/Cm/Ln: basic researches of Ln-complex, solvent extraction, and extraction chromatography, and (3) Evaluation of separation technique: process simulation. For topic (1), we summarized the information on characteristic of DOODA extractant. For topic (2), we summarized the information on structures of Ln-complexes, solvent extraction and chromatography. For topic (3), we summarized the information on conditions of mixer-settler and evaluation of each fraction separated.

JAEA Reports

Development of geological structure modeling technology based on regional tectonic process (Joint research)

Tagami, Masahiko*; Yamada, Yasuhiro*; Yamashita, Yoshihiko*; Miyakawa, Ayumu*; Matsuoka, Toshifumi*; Xue, Z.*; Tsuji, Takeshi*; Tsuruta, Tadahiko; Matsuoka, Toshiyuki; Amano, Kenji; et al.

JAEA-Research 2012-036, 110 Pages, 2013/02

JAEA-Research-2012-036.pdf:44.93MB

Northeast strike faults developed in and around the Mizunami Underground Research Laboratory (MIU) control groundwater flow. These faults were possibly formed as a part of pull-apart structure by the right lateral movement of the Tsukiyoshi fault distributed in the north of MIU site. But the formational mechanism of these faults is still uncertain. In this joint research, the analog experiment and the numerical simulation were used to restore the geological structures around MIU site. The paleo-stress analysis were exposed an ancient deformation mechanism, and the formation timing was presumed in the regional tectonics. The results are adopted for the design of the analog experiment and the numerical simulation. The results of obtained analog experiment and numerical simulation are verified three-dimensionally, and then compared to the current geological structure model. Then the geological structure in the uninvestigated area is estimated.

Journal Articles

Acoustic emission and disturbances in central solenoid model coil for international thermonuclear experimental reactor

Arai, K.*; Ninomiya, Akira*; Ishigooka, Takeshi*; Takano, Katsutoshi*; Nakajima, Hideo; Michael, P.*; Vieira, R.*; Martovetsky, N.*; Sborchia, C.*; Alekseev, A.*; et al.

Cryogenics, 44(1), p.15 - 27, 2004/01

 Times Cited Count:3 Percentile:15.47(Thermodynamics)

no abstracts in English

Journal Articles

The Summary report on engineering design activities in the International Thermonuclear Experimental Reactor (ITER) project

Mori, Masahiro; Shoji, Teruaki; Araki, Masanori; Saito, Keiji*; Senda, Ikuo; Omori, Junji*; Sato, Shinichi*; Inoue, Takashi; Ono, Isamu*; Kataoka, Takahiro*; et al.

Nihon Genshiryoku Gakkai-Shi, 44(1), p.16 - 89, 2002/01

no abstracts in English

Journal Articles

First test results for the ITER central solenoid model coil

Kato, Takashi; Tsuji, Hiroshi; Ando, Toshinari; Takahashi, Yoshikazu; Nakajima, Hideo; Sugimoto, Makoto; Isono, Takaaki; Koizumi, Norikiyo; Kawano, Katsumi; Oshikiri, Masayuki*; et al.

Fusion Engineering and Design, 56-57, p.59 - 70, 2001/10

 Times Cited Count:17 Percentile:74.85(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Acoustic emission in ITER CS model coil and CS insert coil

Ninomiya, Akira*; Arai, Kazuaki*; Takano, Katsutoshi*; Nakajima, Hideo; Michael, P.*; Martovetsky, N.*; Takahashi, Yoshikazu; Kato, Takashi; Ishigooka, Takeshi*; Kaiho, Katsuyuki*; et al.

Teion Kogaku, 36(6), p.344 - 353, 2001/06

no abstracts in English

Journal Articles

Progress of the ITER central solenoid model coil programme

Tsuji, Hiroshi; Okuno, Kiyoshi*; Thome, R.*; Salpietro, E.*; Egorov, S. A.*; Martovetsky, N.*; Ricci, M.*; Zanino, R.*; Zahn, G.*; Martinez, A.*; et al.

Nuclear Fusion, 41(5), p.645 - 651, 2001/05

 Times Cited Count:57 Percentile:83.02(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

X-ray diffraction study on structural change in liquid selenium under high pressure

Katayama, Yoshinori; Mizutani, Takeshi; Utsumi, Wataru; Shimomura, Osamu; Tsuji, Kazuhiko*

Physica Status Solidi (B), 223(2), p.401 - 404, 2001/01

 Times Cited Count:18 Percentile:66.81(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Monitoring of superconducting magnet system using fuzzy theorem

*; Ninomiya, Akira*; *; Shigoka, Takeshi*; Takahashi, Yoshikazu; Koizumi, Norikiyo; Nishi, Masataka; Tsuji, Hiroshi

IEEE Transactions on Applied Superconductivity, 5(2, Part1), p.469 - 472, 1995/06

no abstracts in English

Journal Articles

An Experimental study on current unbalance in high current capacity superconducting AC/pulse conductor

*; Shigoka, Takeshi*; Ninomiya, Akira*; Takahashi, Yoshikazu; Koizumi, Norikiyo; Tsuji, Hiroshi

Denki Gakkai Rombunshi, A, 115(3), p.233 - 238, 1995/02

no abstracts in English

Journal Articles

H mode of high toroidal field plasmas in JT-60U

Sato, Masayasu; Kikuchi, Mitsuru; Fukuda, Takeshi; *; Kamada, Yutaka; Mori, Masahiro; Shirai, Hiroshi; Takizuka, Tomonori; A.A.E.von-Blokland*; Ishida, Shinichi; et al.

IAEA-CN-60/A2-9, 0, p.265 - 274, 1995/00

no abstracts in English

Journal Articles

Internal transport barrier on q=3 surface and poloidal plasma spin up in JT-60U high-$$beta$$$$_{p}$$ discharges

Koide, Yoshihiko; Kikuchi, Mitsuru; Mori, Masahiro; Tsuji, Shunji; Ishida, Shinichi; Asakura, Nobuyuki; Kamada, Yutaka; Nishitani, Takeo; Kawano, Yasunori; Hatae, Takaki; et al.

Physical Review Letters, 72(23), p.3662 - 3665, 1994/06

 Times Cited Count:265 Percentile:98.52(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Improved divertor confinement and divertor characteristics

Tsuji, Shunji; Nakamura, Hiroo; Yoshida, Hidetoshi; Shimada, Michiya; Itami, Kiyoshi; Nishitani, Takeo; Kubo, Hirotaka; Fukuda, Takeshi; Sugie, Tatsuo; Shimizu, Katsuhiro; et al.

Kaku Yugo Kenkyu, 65(SPECIAL ISSUE), p.243 - 260, 1991/03

no abstracts in English

Journal Articles

Study of divertor heat flux in auxiliary heated discharges in JT-60

Itami, Kiyoshi; Fukuda, Takeshi; Ikeda, Yoshitaka; Imai, Tsuyoshi; Kawano, Yasunori; Kubo, Hirotaka; Nishitani, Takeo; Shimada, Michiya; Tsuji, Shunji; Ushigusa, Kenkichi

Journal of Nuclear Materials, 176-177, p.504 - 511, 1990/12

 Times Cited Count:6 Percentile:57.36(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

H-mode experiments with outer and lower divertors in JT-60

Nakamura, Hiroo; Tsuji, Shunji; ; Ozeki, Takahisa; Ishida, Shinichi; Azumi, Masafumi; Akiba, Masato; Ando, Toshiro; Fujii, Tsuneyuki; Fukuda, Takeshi; et al.

Nuclear Fusion, 30(2), p.235 - 250, 1990/02

 Times Cited Count:16 Percentile:53.11(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Observation of limiter H mode in the JT-60 tokamak with lower hybrid current drive

Tsuji, Shunji; Ushigusa, Kenkichi; Ikeda, Yoshitaka; Imai, Tsuyoshi; Itami, Kiyoshi; Nemoto, Masahiro; Nagashima, Keisuke; Koide, Yoshihiko; Kawano, Yasunori; Fukuda, Takeshi; et al.

Physical Review Letters, 64(9), p.1023 - 1026, 1990/02

 Times Cited Count:55 Percentile:88.38(Physics, Multidisciplinary)

no abstracts in English

JAEA Reports

Results of the H-mode experiments with outer and lower divertors

Nakamura, Hiroo; Tsuji, Shunji; ; Ozeki, Takahisa; Ishida, Shinichi; Azumi, Masafumi; Akiba, Masato; Ando, Toshiro; Fujii, Tsuneyuki; Fukuda, Takeshi; et al.

JAERI-M 89-106, 52 Pages, 1989/08

JAERI-M-89-106.pdf:1.27MB

no abstracts in English

23 (Records 1-20 displayed on this page)