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Hidaka, Akihide
Fission Product Behavior under Severe Accident, p.85 - 88, 2021/05
no abstracts in English
Onuki, Toshihiko*; Ozaki, Takuo*; Kozai, Naofumi; Utsunomiya, Satoshi*
Behavior of Radionuclides in the Environment I; Function of Particles in Aquatic System, p.67 - 92, 2020/00
It has been experimentally revealed that microorganisms transform radionuclides. For example, cells of microorganisms such as bacteria and yeast accumulate actinides on the surface. Phosphate ions released from microorganism cells precipitate actinides as phosphates. This chapter discusses the role of environmental microorganisms on migration of actinides in the groundwater around Lake Karachai where a lot of radioactive wastes from nuclear facilities of the Soviet Union.
Kobata, Masaaki; Okane, Tetsuo; Nakajima, Kunihisa; Suzuki, Eriko; Owada, Kenji; Kobayashi, Keisuke*; Yamagami, Hiroshi; Osaka, Masahiko
Journal of Nuclear Materials, 498, p.387 - 394, 2018/01
Times Cited Count：18 Percentile：86.32(Materials Science, Multidisciplinary)In this study, for the understandings of Cesium (Cs) adsorption behavior on structure materials in severe accidents at a light water nuclear reactor, the chemical state of Cs and its distribution on the surface of SUS304 stainless steel (SS) with different Si concentration were investigated by hard X-ray photoelectron spectroscopy (HAXPES) and scanning electron microscope / energy dispersive X-ray spectroscopy (SEM/EDX). As a result, it was found that Cs is selectively adsorbed at the site where Si distributes with high concentration. CsFeSiO
is a dominant Cs products in the case of low Si content, mainly formed, while Cs
SiO
and CsSiO
are formed in addition to CsFeSiO in the case of high Si content. The chemical forms of the Cs compounds produced in the adsorption process on the SS surface has a close correlation with the concentration and chemical states of Si originally included in SS.
Kobayashi, Kaoru*; Kaminaga, Masanori; Haga, Katsuhiro; Kinoshita, Hidetaka; Aso, Tomokazu; Teshigawara, Makoto; Hino, Ryutaro
JAERI-Tech 2002-005, 118 Pages, 2002/02
JAERI-Tech-2002-005.pdf:9.71MB
In order to examine the radiation safety of a spallation mercury target system, it is necessary to clarify the chemical forms of spallation products generated by spallation reaction with proton beam. As for the chemical forms of spallation products in mercury that involves large amounts of spallation products, these forms were estimated by using the binary phase diagrams and the thermochemical equilibrium calculation based on the amounts of spallation product. Calculation results showed that the mercury would dissolve Al, As, B, Be, Bi, C, Co, Cr, Fe, Ga, Ge, Ir, Mo, Nb, Os, Re, Ru, Sb, Si, Ta, Tc, V and W in the element state, and Ag, Au, Ba, Br, Ca, Cd, Ce, Cl, Cs, Cu, Dy, Er, Eu, F, Gd, Hf, Ho, I, In, K, La, Li, Lu, Mg, Mn, Na, Nd, Ni, O, Pb, Pd, Pr, Pt, Rb, Rh, S, Sc, Se, Sm, Sn, Sr, Tb, Te, Ti, Tl, Tm, Y, Yb, Zn and Zr in the form of inorganic mercury compounds.
C, and its application to surface and soil airAmano, Hikaru; Koma, T.*; Atarashi-Andoh, Mariko; Koarashi, Jun; Iida, Takao*
Journal of Radioanalytical and Nuclear Chemistry, 252(2), p.353 - 357, 2002/00
Times Cited Count：6 Percentile：39.48(Chemistry, Analytical)no abstracts in English
Tanaka, Tadao; Ogawa, Hiromichi; Muraoka, Susumu
Materials Research Society Symposium Proceedings, Vol.663, p.1169 - 1177, 2001/00
no abstracts in English
Yamanaka, Shinsuke*; Abe, Kazuyuki
JNC TY9400 2000-004, 78 Pages, 2000/03
JNC-TY9400-2000-004.pdf:2.39MB
no abstracts in English
Yamawaki, Michio*; Yamaguchi, Kenji*; Ono, Futaba*; Huang, J.*; Harada, Yuhei; Hidaka, Akihide; Sugimoto, Jun
JAERI-Tech 2000-015, p.38 - 0, 2000/03
JAERI-Tech-2000-015.pdf:1.31MB
no abstracts in English
Kawai, Katsuo; Endo, Akira; Kuwabara, Jun; Yamaguchi, Takenori; Mizushita, Seiichi
JAERI-Data/Code 2000-001, p.87 - 0, 2000/01
JAERI-Data-Code-2000-001.pdf:5.11MB
no abstracts in English
Sakamoto, Yoshiaki
KURRI-KR-44, p.68 - 77, 1999/11
no abstracts in English
Matsumoto, Junko; Bamba, Tsunetaka
Proc. of 7th Int. Conf. on Radioactive Waste Management and Environmental Remediation (ICEM'99)(CD-ROM), 5 Pages, 1999/00
no abstracts in English
JAERI-Research 98-066, 62 Pages, 1998/11
JAERI-Research-98-066.pdf:2.44MB
no abstracts in English
N and 
O induced in air of a high energy electron acceletrator roomEndo, Akira; J.Henshaw*; M.A.Mignanelli*
KEK-Proceedings, 0, p.32 - 39, 1996/11
no abstracts in English
Sakamoto, Yoshiaki; Nakamura, Haruto*; R.W.D.Killey*; D.R.Champ*
10th Pacific Basin Nuclear Conf. (10-PBNC), 2, p.1343 - 1350, 1996/00
no abstracts in English
Takeda, Seiji; Kimura, Hideo; Matsuzuru, Hideo
Int. Workshop Proc., Improvement of Environmental Transfer Models and Parameters, 0, p.257 - 266, 1996/00
no abstracts in English
Isobe, Hiroshi;
Genshiryoku Kogyo, 41(5), p.68 - 72, 1995/00
no abstracts in English
Sakamoto, Yoshiaki; Nagao, Seiya; Onuki, Toshihiko; ; *; Sato, Seichi*; Ohashi, Hiroshi*
Materials Research Society Symposium Proceedings, Vol.353, 0, p.997 - 1004, 1995/00
no abstracts in English
Hidaka, Akihide; Sugimoto, Jun; Muramatsu, Ken; *; *
PSA95: Proc. of Probabilistic Safety Assessment Methodology and Applications, 1, p.241 - 246, 1995/00
no abstracts in English
