Zobrazeno 1 - 10
of 240
pro vyhledávání: '"Masao Okamoto"'
Autor:
Hirotada Kittaka, Hiroshi Akimoto, Hitoshi Takeshita, Hiroyuki Funaoka, Hiroshi Hazui, Masao Okamoto, Hitoshi Kobata, Yasuo Ohishi
Publikováno v:
PLoS ONE, Vol 9, Iss 6, p e99915 (2014)
BACKGROUND: The level of intestinal fatty acid-binding protein (I-FABP) is considered to be useful diagnostic markers of small bowel ischemia. The purpose of this retrospective study was to investigate whether the serum I-FABP level is a predictive m
Externí odkaz:
https://doaj.org/article/21d0bee5983e441280f5b6c25cc0f947
Autor:
Hisashi Ohtsuka, Nobuyuki Amano, Sachio Hayama, Masao Okamoto, Masayoshi Nishimoto, Katsunori Mori
Publikováno v:
Nihon Kyukyu Igakukai Zasshi. 25:107-112
Publikováno v:
Journal of Plasma Physics. 72(Issue 6):1095
Direct numerical simulation of fully three-dimensional, compressible and nonlinear magnetohydrodynamic equations in the Large Helical Device is carried out in combination with the passive particle simulation. In the simulation. strong vortical motion
Publikováno v:
Journal of Plasma Physics. 72(Issue06):941
Large-amplitude waves associated with a relativistic ion beam in a magnetized plasma are investigated by means of relativistie electromagnetic particle simulations. In the simulations, it is shown that electromagnetic fields are induced by an ion bun
Extension of the Newcomb equation into the vacuum for the stability analysis of tokamak edge plasmas
Publikováno v:
Computer Physics Communications. 175:269-289
The formulation for solving numerically the two-dimensional Newcomb equation has been extended to calculate the vacuum energy integral by using a vector potential method. According to this extension, a stability code MARG2D has been adapted, and code
Publikováno v:
Nuclear Fusion. 45:1534-1543
Monte Carlo simulation based on test particle representation is carried out in order to investigate the neoclassical effect on a strike point pattern of ions on the local island divertor (LID) head in the Large Helical Device configuration. According
Autor:
Masao Okamoto, Masayuki Yokoyama, C. D. Beidler, Noriyoshi Nakajima, Shinsuke Satake, Hideo Sugama
Publikováno v:
Nuclear Fusion. 45:1362-1368
Neoclassical transport simulation code (FORTEC-3D) applicable to both axisymmetric and non-axisymmetric configurations is developed to investigate non-local effects on neoclassical transport phenomena. The time evolution of the radial electric field
Publikováno v:
Nuclear Fusion. 45:588-594
Magnetic islands with the toroidal mode number n = 1, e.g. m/n = 1/1 and 2/1 islands, in a Large Helical Device (LHD) equilibrium are studied using the three-dimensional MHD equilibrium code, HINT. In order to accomplish this purpose, the HINT code h
Publikováno v:
IPSJ Digital Courier. 1:634-642
A three-dimensional, relativistic, electromagnetic particle simulation code is developed using the “Exact Charge Conservation Scheme”on a vector-parallel supercomputer. This scheme is a method for calculating current densities. Applying this meth
Publikováno v:
Plasma Physics and Controlled Fusion. 46:1699-1721
The theory of the Newcomb equation has been applied to low-n external modes in a tokamak and a method has been developed for computing the stability matrix that gives the change of plasma potential energy due to external modes in terms of the surface