Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Ryo Hirasawa"'
Autor:
Hiroka Inoue, Yuzuru Karouji, Tatsuaki Hashimoto, Yoji Shirasawa, Hiroyasu Mizuno, Ryo Hirasawa, Hitoshi Morimoto, Hiroaki Shiraishi, Takeshi Hoshino, Makiko Ohtake, Takahiro Hayashi, Sachiko Wakabayashi, Hiroshi Kanamori, Takanobu Shimada
Publikováno v:
Acta Astronautica. 176:52-58
Currently, several polar explorations of the Moon are planned, because it has been suggested that water ice might be present in the lunar polar region based on remote sensing observation of the lunar surface using a neutron spectrometer and visible t
Autor:
Shinji Konishi, Souichi Kubota, Hikaru Isozaki, Junichirou Oosawa, Yousuke Kawano, Ryo Hirasawa
Publikováno v:
Procedia Engineering. 165:583-592
Tokyo Metro Co., Ltd. is operating nine railroad lines (195.1 km) forming a network mainly consisting of subways in Tokyo, the capital of Japan. Good maintenance of tracks is essential to the safety of passengers. However, rail breakage due to electr
Publikováno v:
AIAA Guidance, Navigation, and Control Conference.
A new attitude estimation method for a spacecraft is derived. This method employs a receding-horizon strategy to use a time window and constraint. A conventional constrained filter, the receding-horizon nonlinear Kalman filter (RNKF), propagates the
Publikováno v:
Life-Cycle of Civil Engineering Systems ISBN: 9781138001206
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::244531cdfc66dc97295a8034384e89d2
https://doi.org/10.1201/b17618-97
https://doi.org/10.1201/b17618-97
Publikováno v:
Journal of Construction Management, JSCE. 9:91-100
The Prestressed Concrete (PC) construction industry has grown in parallel with thedevelopment of social infrastructure and PC technology over the past half a century, producing sales of 500 billion yenper year. However, nowadays, the construction mar
Autor:
Hiroaki Tagawa, Takuya Hashimoto, Hidefumi Hirai, Hideki Tanaka, Takehisa Kobayashi, Ryo Hirasawa
Publikováno v:
Solid State Ionics. 108:371-376
Dependence of oxygen deficiency of BaBiO 3-δ on temperature and oxygen partial pressure at a state of equilibrium was investigated by thermogravimetry. Two phases, one with 0.00 ≤ δ < 0.03 (phase I) and the other with 0.43 < δ ≤ 0.50 (phase II
Autor:
Hiroaki Tagawa, Yasukazu Saito, Takuya Hashimoto, Masayuki Dokiya, Yoshihiro Kimura, Ryo Hirasawa
Publikováno v:
Journal of the Ceramic Society of Japan. 106:778-781
The improvement of the sintering properties of a superconducting BaPb0.75Bi0.25O3 ceramic by the introduction of point defects was examined. In order to introduce Ba vacancies into the structure, a mixture of BaCO3, Pb3O4 and Bi2O3, with Ba-deficient
Autor:
Michiyoshi Tanaka, Hidefumi Hirai, Hiroaki Tagawa, Tsunetoshi Kobayashi, Junichiro Mizusaki, H. Toraya, Ryo Hirasawa, K. Ohsumi, Takuya Hashimoto
Publikováno v:
Solid State Communications. 102:561-564
Crystal symmetry and lattice constants of BaPb1−xBixO3 were analyzed by X-ray diffraction using synchrotron radiation as a light source. Measurements with high resolution could be carried out and crystal system of BaPb1−xBixO3 could be determined
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 39:69-77
Various drugs and nucleic acids containing a urea unit were synthesized from [13C]urea. The 13C-isotope effect in the infrared spectra of these compounds was examined. © 1997 John Wiley & Sons, Ltd.
Autor:
Yoichi Tanaka, Ryo Hirasawa
Publikováno v:
Research Policy. 25:999-1011
The aim of this paper is to elucidate the features of the policy-making mechanism of Japan's Council for Science and Technology (CST) focusing on the policy-making processes of comprehensive recommendations. The CST is the highest decision-making org