Zobrazeno 1 - 10
of 152
pro vyhledávání: '"Naoki Shirai"'
Autor:
Alexander B. Verchovsky, Feargus A. J. Abernethy, Mahesh Anand, Ian A. Franchi, Monica M. Grady, Richard C. Greenwood, Simeon J. Barber, Martin Suttle, Motoo Ito, Naotaka Tomioka, Masayuki Uesugi, Akira Yamaguchi, Makoto Kimura, Naoya Imae, Naoki Shirai, Takuji Ohigashi, Ming-Chang Liu, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata, Hayato Yuzawa, Yuzuru Karouji, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Masahiro Nishimura, Toru Yada, Masanao Abe, Tomohiro Usui, Sen-ichiro Watanabe, Yuichi Tsuda, Consortium Phase2 curation team Kochi
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Abstract Ryugu is the C-type asteroid from which material was brought to Earth by the Hayabusa2 mission. A number of individual grains and fine-grained samples analysed so far for noble gases have indicated that solar wind and planetary (known as P1)
Externí odkaz:
https://doaj.org/article/dc7252fec5ba45439a179621e3f4409b
Autor:
Toru Yada, Masanao Abe, Masahiro Nishimura, Hirotaka Sawada, Ryuji Okazaki, Yoshinori Takano, Kanako Sakamoto, Tatsuaki Okada, Aiko Nakato, Miwa Yoshitake, Yuki Nakano, Kasumi Yogata, Akiko Miyazaki, Shizuho Furuya, Ayako S. Iwamae, Shunichi Nakatsubo, Kentaro Hatakeda, Yuya Hitomi, Kazuya Kumagai, Shino Suzuki, Yayoi N. Miura, Motoo Ito, Naotaka Tomioka, Masayuki Uesugi, Yuzuru Karouji, Kentaro Uesugi, Naoki Shirai, Akira Yamaguchi, Naoya Imae, Hiroshi Naraoka, Yuhji Yamamoto, Shogo Tachibana, Hisayoshi Yurimoto, Tomohiro Usui
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-32 (2023)
Abstract Developing a cleanroom and clean chambers (CCs) for Hayabusa2 returned samples has been discussed with the committee for Hayabusa2 sample curation facility since 2015. One major difference from the specifications of the CCs used for Itokawa
Externí odkaz:
https://doaj.org/article/da5bfa717a5f46b7b59c83790d8ea3c6
Publikováno v:
Minerals, Vol 14, Iss 3, p 213 (2024)
Fifteen Geological Survey of Japan (GSJ) geochemical reference materials were analyzed to determine the contents of three halogens (Cl, Br, and I) by using instrumental neutron activation analysis (INAA) and/or radiochemical NAA (RNAA). Two reference
Externí odkaz:
https://doaj.org/article/cc81232125f6456bb713fc8115b6ab4e
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 2, Pp 423-428 (2022)
Very low contents (in the range of 10−9 g/g) of Ir in mantle-derived rock samples (komatiites) were non-destructively determined by INAA coupled with coincidence gamma-ray spectrometry using 16 Ge detectors. Aliquots of the same samples were analyz
Externí odkaz:
https://doaj.org/article/d418897e4b714333a2e6f597d314dece
Autor:
Mitsuru Ebihara, Naoki Shirai, Yasuji Oura, Haruo Tsuruta, Hiroyuki Matsuzaki, Yuichi Moriguchi
Publikováno v:
Data in Brief, Vol 45, Iss , Pp 108621- (2022)
Data of the atmospheric activity concentrations (in Bq/m3) of 129I dispersed into the environment as aerosol immediately after the nuclear accident at Fukushima Daiichi Nuclear Power Plant in 2011 are presented. The radioactivity of 129I was determin
Externí odkaz:
https://doaj.org/article/67580c37733b4a4997763d611f47cf71
Autor:
Steven Goderis, Mehmet Yesiltas, Hamed Pourkhorsandi, Naoki Shirai, Manu Poudelet, Martin Leitl, Akira Yamaguchi, Vinciane Debaille, Philippe Claeys
Publikováno v:
Antarctic Record, Vol 65, Pp 1-20 (2021)
This report summarizes the Belgian Antarctic Expedition (BELARE) 2019－2020 meteorite search and recovery expedition near the Sør Rondane Mountains of East Antarctica during the 2019－2020 field season. This expedition took place from 15 January t
Externí odkaz:
https://doaj.org/article/4bc687a495ae44c3875d3c4607fcc006
Autor:
Motoo Ito, Naotaka Tomioka, Kentaro Uesugi, Masayuki Uesugi, Yu Kodama, Ikuya Sakurai, Ikuo Okada, Takuji Ohigashi, Hayato Yuzawa, Akira Yamaguchi, Naoya Imae, Yuzuru Karouji, Naoki Shirai, Toru Yada, Masanao Abe
Publikováno v:
Earth, Planets and Space, Vol 72, Iss 1, Pp 1-11 (2020)
Abstract We developed universal sample holders [the Kochi grid, Kochi clamp, and Okazaki cell) and a transfer vessel (facility-to-facility transfer container (FFTC)] to analyze sensitive and fragile samples, such as extremely small extraterrestrial m
Externí odkaz:
https://doaj.org/article/892c0b4653c64703900bcaea8819e87e
Autor:
Akira Yamaguchi, Naotaka Tomioka, Motoo Ito, Naoki Shirai, Makoto Kimura, Richard C. Greenwood, Ming-Chang Liu, Kaitlyn A. McCain, Nozomi Matsuda, Masayuki Uesugi, Naoya Imae, Takuji Ohigashi, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata, Hayato Yuzawa, Yu Kodama, Kaori Hirahara, Ikuya Sakurai, Ikuo Okada, Yuzuru Karouji, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Masahiro Nishimura, Toru Yada, Masanao Abe, Tomohiro Usui, Sei-ichiro Watanabe, Yuichi Tsuda
Publikováno v:
Nature Astronomy. 7:398-405
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b32d48672ac9c4d55a6a05de71bb25d5
https://doi.org/10.1038/s41550-023-01925-x
https://doi.org/10.1038/s41550-023-01925-x
Autor:
Kaitlyn A. McCain, Nozomi Matsuda, Ming-Chang Liu, Kevin D. McKeegan, Akira Yamaguchi, Makoto Kimura, Naotaka Tomioka, Motoo Ito, Naoya Imae, Masayuki Uesugi, Naoki Shirai, Takuji Ohigashi, Richard C. Greenwood, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata, Hayato Yuzawa, Yu Kodama, Kaori Hirahara, Ikuya Sakurai, Ikuo Okada, Yuzuru Karouji, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Masahiro Nishimura, Toru Yada, Masanao Abe, Tomohiro Usui, Sei-ichiro Watanabe, Yuichi Tsuda
Publikováno v:
Nature Astronomy. 7:309-317
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1011b8c3fac735a2f6227095c544b1fa
https://doi.org/10.1038/s41550-022-01863-0
https://doi.org/10.1038/s41550-022-01863-0
Autor:
Richard C. Greenwood, Ian A. Franchi, Ross Findlay, James A. Malley, Motoo Ito, Akira Yamaguchi, Makoto Kimura, Naotaka Tomioka, Masayuki Uesugi, Naoya Imae, Naoki Shirai, Takuji Ohigashi, Ming-Chang Liu, Kaitlyn A. McCain, Nozomi Matsuda, Kevin D. McKeegan, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata, Hayato Yuzawa, Yu Kodama, Akira Tsuchiyama, Masahiro Yasutake, Kaori Hirahara, Akihisa Tekeuchi, Shun Sekimoto, Ikuya Sakurai, Ikuo Okada, Yuzuru Karouji, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Masahiro Nishimura, Toru Yada, Masanao Abe, Tomohiro Usui, Sei-ichiro Watanabe, Yuichi Tsuda
Publikováno v:
Nature Astronomy. 7:29-38
The delivery of water to the inner Solar System, including Earth, is still a debated topic. A preferential role for hydrated asteroids in this process is supported by isotopic measurements. Carbonaceous chondrite (CC) meteorites represent our main so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26044a44d1a21368c479ca079b114cd1
https://doi.org/10.1038/s41550-022-01824-7
https://doi.org/10.1038/s41550-022-01824-7