Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Akira KIRISHIMA"'
Autor:
Ryutaro Tonna, Takayuki Sasaki, Yuji Kodama, Taishi Kobayashi, Daisuke Akiyama, Akira Kirishima, Nobuaki Sato, Yuta Kumagai, Ryoji Kusaka, Masayuki Watanabe
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 4, Pp 1300-1309 (2023)
Simulated debris was synthesized using UO2, Zr, and stainless steel and a heat treatment method under inert or oxidizing conditions. The primary U solid phase of the debris synthesized at 1473 K under inert conditions was UO2, whereas a (U, Zr)O2 sol
Externí odkaz:
https://doaj.org/article/acb6a4921a194ec4be7aa209be3aaf4f
Autor:
Takumi Yomogida, Daisuke Akiyama, Kazuki Ouchi, Yuta Kumagai, Kotaro Higashi, Yoshihiro Kitatsuji, Akira Kirishima, Naomi Kawamura, Yoshio Takahashi
Publikováno v:
Inorganic Chemistry. 61:20206-20210
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b96fe9dfec41b75d895c5d90b553b448
https://doi.org/10.1021/acs.inorgchem.2c03208
https://doi.org/10.1021/acs.inorgchem.2c03208
Autor:
McGrady, John, Yuta Kumagai, Yoshihiro Kitatsuji, Akira Kirishima, Daisuke Akiyama, Masayuki Watanabe
Publikováno v:
RSC Advances; 2023, Vol. 13 Issue 40, p28021-28029, 9p
Autor:
Yuta Kumagai, Ryoji Kusaka, Masami Nakada, Masayuki Watanabe, Daisuke Akiyama, Akira Kirishima, Nobuaki Sato, Takayuki Sasaki
Publikováno v:
Journal of Nuclear Science and Technology. 59:961-971
The fuel debris generated in the accident at the Tokyo Electric Power Company’s Fukushima Daiichi Nuclear Power Station has been subject to water and ionizing radiation for years and will be until retrieval. Therefore, we investigated the potential
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2335f69411e6d0d0a9fdcd65c248ba4
https://doi.org/10.1080/00223131.2021.2023055
https://doi.org/10.1080/00223131.2021.2023055
Publikováno v:
Journal of the Atomic Energy Society of Japan. 64:290-295
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c504e63b2bf49d39e4e923aa9b53d618
https://doi.org/10.3327/jaesjb.64.5_290
https://doi.org/10.3327/jaesjb.64.5_290
Publikováno v:
High Temperature Materials and Processes. 42
A powder mixture of UO2 and TiO2 was mechanochemically treated in a planetary ball mill under Ar atmosphere for 1 h using a tungsten carbide vial and balls as the milling medium. Such mechanochemical (MC) treatment reduced the crystallinity of UO2 an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0254e49c400aa5005a62707a23538515
https://doi.org/10.1515/htmp-2022-0268
https://doi.org/10.1515/htmp-2022-0268
Publikováno v:
Journal of Solution Chemistry. 50:1432-1442
The complex formation of protactinium(V) with ethylenediaminetetraacetic acid (EDTA) was studied at tracer concentration ([233Pa(V)] ~ 10−12 mol·L−1) by the solvent extraction technique at 25 °C, I = 1.0, and different acidities ([HClO4] = 1.0,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bf84765342d95beeb3da3cfe4e9b7d9
https://doi.org/10.1007/s10953-021-01126-y
https://doi.org/10.1007/s10953-021-01126-y
Autor:
Daisuke Akiyama, Tasuku Ishii, Yutaka Masaki, Tadashi Narabayashi, Akira Kirishima, Nobuaki Sato
Publikováno v:
Journal of Nuclear and Radiochemical Sciences. 21:1-6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea5362fff7cfc6e9a40fbea9ba91cedc
https://doi.org/10.14494/jnrs.21.1
https://doi.org/10.14494/jnrs.21.1
Autor:
Akira Kirishima, Shingo Kimuro, Yuta Kumagai, Akira Kitamura, Daisuke Akiyama, Masayuki Watanabe, John McGrady
Publikováno v:
RSC Advances. 11:28940-28948
In the event of nuclear waste canister failure in a deep geological repository, groundwater interaction with spent fuel will lead to dissolution of uranium (U) into the environment. The rate of U dissolution is affected by bicarbonate (HCO3−) conce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::563a499b23988f47dbd5c1a9cdbb414c
https://doi.org/10.1039/d1ra05580a
https://doi.org/10.1039/d1ra05580a
Autor:
Yuta Kumagai, Masayuki Watanabe, Akira Kirishima, Takumi Yomogida, Takayuki Sasaki, Daisuke Akiyama, Masahide Takano, Ryoji Kusaka, Nobuaki Sato
Publikováno v:
Journal of Nuclear Science and Technology. 58:629-634
Studtite and metastudtite are uranyl peroxides formed on nuclear fuel in water through the reaction with H2O2 produced by the radiolysis of water. However, it is unclear how the two types of uranyl peroxides are generated and distributed on the surfa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb66d8a3f422eaf2e0c01b20752e9cc3
https://doi.org/10.1080/00223131.2020.1854881
https://doi.org/10.1080/00223131.2020.1854881