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Journal Articles

Effect of topsoil removal and selective countermeasures on radiocesium accumulation in rice plants in Fukushima paddy field

Yang, B.*; Onda, Yuichi*; Omori, Yoshihiro*; Sekimoto, Hitoshi*; Fujiwara, Toru*; Wakiyama, Yoshifumi*; Yoshimura, Kazuya; Takahashi, Junko*; Sun, X.*

Science of the Total Environment, 603-604, p.49 - 56, 2017/12

https://doi.org/10.1016/j.scitotenv.2017.06.026
 Times Cited Count：2 Percentile：6.75(Environmental Sciences)

Journal Articles

Design of neutron beamline for fundamental physics at J-PARC BL05

Mishima, Kenji*; Ino, Takashi*; Sakai, Kenji; Shinohara, Takenao; Hirota, Katsuya*; Ikeda, Kazuaki*; Sato, Hiromi*; Otake, Yoshie*; Omori, Hitoshi*; Muto, Suguru*; et al.

Nuclear Instruments and Methods in Physics Research A, 600, p.342 - 345, 2009/02

https://doi.org/10.1016/j.nima.2008.11.087
 Times Cited Count：29 Percentile：86.47(Instruments & Instrumentation)

A new beamline for a fundamental physics experiment is under construction at BL05 port in the Materials and Life Science Facility (MLF) at Japan Proton Accelerator Research Complex (J-PARC), this beamline is designed using novel techniques of neutron optics and it is termed "Neutron Optics and Physics". The beam from the moderator is deflected by multi-channel supermirrors and split into three branches for individual experiments. In this study, we have optimized the design of the beam optics and shields using the Monte Carlo simulation package PHITS. The neutron fluxes of beams are expected to be $$9.2 times 10^5/$$cm$$^2/mu$$str$$/$$s$$/$$MW, $$1.2 times 10^9/$$cm$$^2/$$s$$/$$MW, $$4.0 times 10^8/$$cm$$^2/$$s$$/$$MW, with polarization of 99.8%.

Journal Articles

Development of optical devices based on neutron refractive optics

Oku, Takayuki*; ; ; Yamagata, Yutaka*; Omori, Hitoshi*; Adachi, Tomohiro*; Shimizu, Hirohiko*; ; Hirota, T.*; Iwasa, Hirokatsu*; et al.

JAERI-Conf 2001-002, p.537 - 541, 2001/03

https://jopss.jaea.go.jp/pdfdata/JAERI-Conf-2001-002-Part1.pdf

no abstracts in English

Oral presentation

Study of pelletizing and sintering technologies of secondary wastes produced from contaminated water treatment, 3; Leach test of sintered pellets

Mori, Koichi*; Komori, Hideyuki*; Kitami, Katsunobu*; Sato, Junya; Nakazawa, Osamu; Meguro, Yoshihiro; Ueda, Hiroshi*; Kurosaki, Fumio*; Matsukura, Minoru*; Mimura, Hitoshi*

no journal, , 

no abstracts in English

Oral presentation

Study of pelletizing and sintering technologies of secondary wastes produced from contaminated water treatment, 1; Overview of the wastes and the sintering technology

Sato, Junya; Suzuki, Shinji*; Kato, Jun; Sakakibara, Tetsuro; Nakazawa, Osamu; Meguro, Yoshihiro; Ueda, Hiroshi*; Kurosaki, Fumio*; Yoneyama, Takashi*; Matsukura, Minoru*; et al.

no journal, , 

no abstracts in English

Oral presentation

Nitridation of dysprosium and zirconium metals in liquid cadmium

Sato, Takumi; Hayashi, Hirokazu; Nakamura, Hitoshi*; Omori, Takashi*

no journal, , 

In pyrochemical reprocessing of spent nitride fuel for transmutation of MA using ADS, actinides are recovered in a liquid cadmium cathode and converted to nitrides again by heating in N$$_{2}$$ gas stream. Nitridation of actinide-Cd alloys has been achieved on 1 to 10 g-Cd scale. However, experimental data of a larger scale test is required to design an industrial scale equipment. Furthermore, understanding the nitridation behaviour of Zr in Cd is necessary to determine the process condition because Zr is recovered in a liquid cadmium cathode with actinides at high current density in the electrorefining process. In the present study, the apparatus for 100 g-Cd scale tests is developed and the nitride formation reactions of Dy-Cd and Zr-Cd alloys have been studied in the temperature range of 973-1073 K in N$$_{2}$$ gas stream. Dy was used as a surrogate material of MAs and Pu. Most of Dy and Zr in Cd were converted to nitride at 1073 and 973 K, respectively.

Oral presentation

In situ observation of corrosion process on steels using XAFS technique

Komori, Daisuke*; Yamashita, Masato*; Konishi, Hiroyuki; Hanaki, Satoshi*; Uchida, Hitoshi*; Mizuki, Junichiro

no journal, , 

no abstracts in English

Oral presentation

Study of pelletizing and sintering technologies of secondary wastes produced from contaminated water treatment, 2; Evaluation of the pelletized and the sintered products

Kurosaki, Fumio*; Ueda, Hiroshi*; Yoneyama, Takashi*; Matsukura, Minoru*; Mimura, Hitoshi*; Sato, Junya; Nakazawa, Osamu; Meguro, Yoshihiro; Mori, Koichi*; Komori, Hideyuki*

no journal, , 

no abstracts in English

8 (Records 1-8 displayed on this page)
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