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- Kamen Kanev, Shigeo Kimura, Thomas Orr
- IJDET
- 2009

- T. Arai, Etsuo Tabo, Kazushi Takaishi, Takumi Nagaro, Shigeo Kimura
- Journal of Anesthesia
- 1989

• Nasotracheal intubation with the aid of a fiberoptic bronchoscope (FB) has been used in cases of difficult intubation since its introduction by Murphy". However, several problems exist in applying this method to infants and children under general anesthesia. First, ventilation during the procedure is difficult because of the smallness of the endotracheal… (More)

- Nobuyoshi Komatsu, Shigeo Kimura, Takahiro I. Kiwata
- Physical review. E, Statistical, nonlinear, and…
- 2009

Gravity-dominated systems have a negative specific heat. We investigate the negative specific heat of self-gravitating systems enclosed in a spherical container with reflecting walls by means of N-body simulations. To simulate nonequilibrium processes, a particle reflected at a nonadiabatic wall is cooled to mimic energy loss by reflecting walls, while an… (More)

- Kamen Kanev, Shigeo Kimura
- IEEE Computer Graphics and Applications
- 2002

We briefly describe our game design and simulation environment and integrate full-body dynamic motion into interactive 3D computer games and multimedia entertainment.

- Nobuyoshi Komatsu, Takahiro I. Kiwata, Shigeo Kimura
- Physical review. E, Statistical, nonlinear, and…
- 2010

By means of N -body simulations, we consider self-gravitating open systems enclosed in a spherical container with semipermeable reflecting walls, in order to investigate the thermodynamics of the evaporation process in self-gravitating N -body systems (such as the escape of stars from globular clusters). To simulate the evaporation process, when the energy… (More)

- Kamen Kanev, Shigeo Kimura
- 2016

This chapter is dedicated to Computer-Supported Collaborative Learning (CSCL) employing dynamic groups, where at different stages students work independently, interact with each other in pairs, and conduct joint work in larger groups with varying numbers of participants. A novel Dynamic Group Environment for Collaborative Learning (DGE/CL) that supports… (More)

- Takaaki Kono, Satoshi Nebucho, Tetsuya Kogaki, Takahiro I. Kiwata, Shigeo Kimura, Nobuyoshi Komatsu
- 2017

We have investigated the effects of the rotating blades of an upwind-type three-blade horizontal-axis wind turbine (HAWT) on the basic characteristics of aerodynamic forces acting on its tower by conducting improved delayed detached-eddy simulations (DESs). Three tip-speed ratios were considered for the operating conditions of the HAWT: λ = 3 (low), λ = 6… (More)

- Nobuyoshi Komatsu, Takahiro I. Kiwata, Shigeo Kimura
- Physical review. E, Statistical, nonlinear, and…
- 2012

By means of N-body simulations, we study the evolution of gravity-dominated systems from an early relaxation to a collapse, focusing on the velocity distributions and thermodynamic properties. To simulate the dynamical evolution, we consider self-gravitating small N-body systems enclosed in a spherical container with adiabatic or semipermeable walls. It is… (More)

- Shigekazu Ito, Shigeo Kimura, Masaaki Yoshifuji
- Organic letters
- 2003

[reaction: see text] Sterically protected (Z)-1-(2,4,6-tri-tert-butylphenyl)-2,5-dibromo-1-phosphapent-1-ene was allowed to react with potassium tert-butoxide to afford a cyclopropylidenephosphaethene, which was characterized spectroscopically and by X-ray crystallography. Construction of the cycloalkyl groups and isomerization of… (More)

- Shigeo Kimura, Shigekazu Ito, Masaaki Yoshifuji, T. Veszprémi
- The Journal of organic chemistry
- 2003

X-ray structural analysis for (Z)-2-cyclopropyl-1-(2,4,6-tri-tert-butylphenyl)-1-phosphaethene (2) was performed to confirm that the cyclopropyl group largely interacts with the P[double bond]C group compared with its carbon analogue, vinylcyclopropane (1). Absorption spectrum and redox properties of 2 were also studied to prove the conjugation. Theoretical… (More)