Zobrazeno 1 - 10 of 84 pro vyhledávání: '"Yuichi Takaku"'
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Akademický článek
Reconstructing the chronology of the natural and anthropogenic uranium isotopic signals in a marine sediment core from Beppu Bay, Japan
Autor: Hodaka Takahashi, Aya Sakaguchi, Karin Hain, Andreas Wiederin, Michinobu Kuwae, Peter Steier, Yuichi Takaku, Shinya Yamasaki, Keisuke Sueki
Publikováno v: Heliyon, Vol 9, Iss 4, Pp e14153- (2023)
The long-lived U isotopes, 233U and 236U, have been used increasingly in recent years as marine circulation tracers and for identifying sources of uranium contamination in the environment. The sedimentation histories of these two U isotopes in combin
Externí odkaz: https://doaj.org/article/f8cb5713e1a24f65b265f6d5b99c8aac
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2
DISTRIBUTION OF IODINE-127 IN MARINE ORGANISMS FROM COASTAL WATERS AROUND AOMORI, JAPAN
Autor: Shoko Imai, Kensaku Matsushita, Yuichi Takaku, Yoshio Ishikawa
Publikováno v: Radiation Protection Dosimetry. 198:1066-1070
We measured the concentrations and determined the distribution of the stable isotope 127I in the marine organisms. Marine fish were collected from the Pacific Ocean near Aomori, Japan. The mean 127I concentrations in the muscle of marine fish ranged
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2faac36b637b5f494bb9c2c3633b75ec
https://doi.org/10.1093/rpd/ncac054
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5
IODINE ABSORPTION BY APPLE LEAF SURFACES
Autor: Masumi Yanai, Hitoshi Kawabata, Yuichi Takaku
Publikováno v: Radiation protection dosimetry. 198(13-15)
Apple is an important agricultural product in Aomori Prefecture, Japan, where the first commercial nuclear fuel reprocessing plant is currently under construction. As the behavior of radioiodine deposited on the surface of apple leaves is not well kn
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccee7e605b68e0931f4bb7810f8a1733
https://pubmed.ncbi.nlm.nih.gov/36083769
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6
INVESTIGATION OF SHORT-TERM CHEMICAL CHANGE IN STABLE RUTHENIUM ADDED TO RAINWATER THROUGH X-RAY ABSORPTION FINE STRUCTURE ANALYSIS
Autor: Yusuke Unno, Akira Takeda, Yuichi Takaku
Publikováno v: Radiation protection dosimetry. 198(13-15)
Radioactive ruthenium may be accidentally released from spent nuclear fuel reprocessing plants to the surrounding environment. To obtain basic information regarding the effect of radioactive ruthenium on the environment, we investigated changes in th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7923018c0456ad0897436595af7054b4
https://pubmed.ncbi.nlm.nih.gov/36083728
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7
TRANSFER OF CESIUM AND IODINE FROM THE SURFACE TO THE INTERIOR OF APPLE FRUIT
Autor: Hitoshi Kawabata, Masumi Yanai, Yuichi Takaku, Shun’ichi Hisamatsu
Publikováno v: Radiation protection dosimetry. 198(13-15)
We investigated the transfer of stable Cs + and I− applied as droplets directly on the fruit surface of 3-y-old plumleaf crab apple trees to the fruit interior at different developmental stages. The proportions of Cs and I transferred to the fruit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd436597268478012ce661783b3fb8a4
https://pubmed.ncbi.nlm.nih.gov/36083737
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10
Quaternion-based Discrete-time Nonlinear Attitude Tracking Control of Spacecraft
Autor: Yuichi Ikeda, Yuichi Takaku
Publikováno v: ANZCC
Recent space programs require agile and large angle attitude maneuvers for applications in various fields such as observational astronomy. To achieve the agility for large angle attitude maneuvers, the controller design must be formulated as a nonlin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eec2a0e1ded5724cf0ba5c6ea7b30b25
https://doi.org/10.1109/anzcc50923.2020.9318390
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