Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Toshiyuki Murayama"'
Publikováno v:
Antarctic Record, Vol 58, Iss 3, Pp 341-351 (2014)
The sun-tracking performance of a shipborne sky radiometer was improved to attain accurate aerosol optical thickness (AOT) from direct solar measurements on a pitching and rolling vessel. Improvements were made in the accuracy of sun-pointing measure
Externí odkaz:
https://doaj.org/article/ae90337367ec4860ba1e14abbfc0e00b
Publikováno v:
南極資料 = Antarctic Record. 58(3):341-351
動揺する船上においても太陽直達光を観測できるように,船舶用スカイラジオメータの太陽追尾性能を改良した.改良点は,太陽追尾精度の向上,測器視野角の拡大,太陽追尾速度の迅
Autor:
Kiyoto Hori, Toshiyuki Murayama, Hideo Shimizu, Takao Saito, Noboru Sayo, Tadamasa Ohmiya, Kazuhiko Matsumura, Xiaoyong Zhang
Publikováno v:
Organic Process Research & Development. 15:1130-1137
Practical and simple catalytic enantioselective hydrogenation reactions to synthesize N-unprotected β-amino esters have been developed: (1) asymmetric hydrogenation of N-unprotected β-enamine ester and (2) asymmetric direct reductive amination of
Autor:
Hideki Okajima, Youichi Tanimoto, Hiroki Tokinaga, Masami Nonaka, Toshiyuki Murayama, Shang-Ping Xie, Kohei Kai, Hisashi Nakamura
Publikováno v:
Journal of Climate. 22:1360-1374
The baiu and Kuroshio Extension (KE) fronts, both zonally oriented and nearly collocated east of Japan, are the dominant summertime features of the atmosphere and ocean, respectively, over the midlatitude northwest Pacific. An atmospheric sounding ca
Publikováno v:
Journal of Applied Meteorology and Climatology. 47:1248-1265
The eruption of the Mount Asama volcano on 16 September 2004 produced an ash cloud and led to ashfall in the Tokyo metropolitan area that lies on the Kanto Plain. Satellite images showed the ash cloud drifting toward the south in the morning but to t
Publikováno v:
Atmospheric Research. 86:76-87
Tropospheric aerosols were investigated with a multi-wavelength Raman lidar system during two measurement periods: March 15th–April 16th, 2004 and May 23rd–June 9th, 2005 at the Korea Global Atmospheric Watch Observatory (KGAWO, 36.32°N, 126.19
Autor:
Mitsuo Koizumi, Toru Nomura, I. Ogawa, Thomas Nilsson, Yoichi Nojiri, J. Pinard, J.R. Persson, M. Gustafsson, Masaru Shibata, Seishi Matsuki, H.T. Duong, O. Redi, P. Juncar, Toshiyuki Murayama, Sadao Momota, T. T. Inamura, H. Henry Stroke, D. Marescaux, Masanori Wakasugi, M. Tada, K. Kominato, Yasuaki Kishimoto
Publikováno v:
Nuclear Physics A. 753:3-12
The hfs separation Δν of 126Cs( T 1 / 2 = 1.63 m ) in the 6s S 1 / 2 2 ground state was obtained in a precision measurement near zero magnetic field by means of atomic beam magnetic resonance with laser optical pumping on-line with the CERN-PSB-ISO
Publikováno v:
Surface and Coatings Technology. :235-240
Recently, applications of aluminum (Al) use have extended into the area of the lightening of machine parts. However, the hardness of Al is lower than that of the steel mainly used for these machine parts at present. Therefore, it is necessary to carr
Publikováno v:
Journal of Geophysical Research: Atmospheres. 104:31781-31792
We intensively observed the atmospheric boundary layer with a polarization lidar, a Sun photometer, and a high-volume sampler at a coastal area of Tokyo Bay. The purpose of the observation is to investigate a phenomenon discovered in the past summer:
Publikováno v:
Tetrahedron Letters. 40:5043-5046
Asymmetric synthesis of ( S )- 5 has been accomplished with an excellent enantiomeric excess by hydrogenation of racemic 5 using ruthenium-BINAP-diamine-KOH system, followed by oxidation. Magnesium enolate of (2 S )-2-methoxycyclohexanone [( S )- 5 ]