Search Results - Usui, H

Particle‐in‐cell modeling of spacecraft‐plasma interaction effects on double‐probe electric field measurements by Miyake, Y., Usui, H.

“…The double‐probe technique, commonly used for electric field measurements in magnetospheric plasmas, is susceptible to environmental perturbations caused by…”
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The effect of surfactants on the morphology and optical properties of precipitated wurtzite ZnO by Usui, Hiroyuki

“…Wurtzite ZnO crystals were prepared in aqueous solutions with additive-free and additives of sodium dodecyl sulfate (SDS), hexamethylenetetramine (HMT),…”
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Plasma particle simulations of wake formation behind a spacecraft with thin wire booms by Miyake, Y., Cully, C. M., Usui, H., Nakashima, H.

“…Double‐probe electric field sensors installed on scientific spacecraft are often deployed using wire booms with radii much less than typical Debye lengths of…”
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Large Enhancement of Thermoelectric Efficiency Due to a Pressure-Induced Lifshitz Transition in SnSe by Nishimura, T, Sakai, H, Mori, H, Akiba, K, Usui, H, Ochi, M, Kuroki, K, Miyake, A, Tokunaga, M, Uwatoko, Y, Katayama, K, Murakawa, H, Hanasaki, N

“…The Lifshitz transition, a change in Fermi surface topology, is likely to greatly influence exotic correlated phenomena in solids, such as high-temperature…”
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Visual feedback is an efficient method for increasing physical activity: the results of a randomized control trial by Usui, H

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Plasma particle simulations on stray photoelectron current flows around a spacecraft by Miyake, Y., Usui, H., Kojima, H., Nakashima, H.

“…In tenuous space plasmas, photoelectron flows produce complex current paths among multiple conducting elements of spacecraft, which may influence the…”
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Polymeric film deposition by ionization-assisted method for optical and optoelectronic applications by Usui, H

“…This paper reviews the deposition of polymeric thin films by using the ionization-assisted deposition (IAD) method. Three methods for polymer film formation…”
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Low-load Slow Movement Squat Training Increases Muscle Size and Strength but Not Power by Usui, S, Maeo, S, Tayashiki, K, Nakatani, M, Kanehisa, H

“…We tested a hypothesis that low-load squat training with slow movement and tonic force generation (LST) would increase muscle size and strength but not…”
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Dependence of Generation of Whistler Mode Chorus Emissions on the Temperature Anisotropy and Density of Energetic Electrons in the Earth's Inner Magnetosphere by Katoh, Y., Omura, Y., Miyake, Y., Usui, H., Nakashima, H.

“…We carry out a series of self‐consistent electron hybrid code simulations for the dependence of chorus generation process on the temperature anisotropy and…”
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Effects of the guard electrode on the photoelectron distribution around an electric field sensor by Miyake, Y., Usui, H., Kojima, H.

“…We have developed a numerical model of a double‐probe electric field sensor equipped with a photoelectron guard electrode for the particle‐in‐cell simulation…”
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Functional comparison of pacifiers using finite element analysis by Tesini, David A, Hu, Linda C, Usui, Brent H, Lee, Christopher L

“…Pacifiers have been shown to affect maxillary growth related to the anatomic structure of the palate and forces placed upon it during sucking. This study…”
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Photoluminescence of ZnO Nanoparticles Prepared by Laser Ablation in Different Surfactant Solutions by Usui, Hiroyuki, Shimizu, Yoshiki, Sasaki, Takeshi, Koshizaki, Naoto

“…ZnO nanoparticles were prepared by laser ablation of a zinc metal plate in a liquid environment using different surfactant (cationic, anionic, amphoteric, and…”
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Preventing agglomeration and growth of ice particles in water with suitable additives by Inaba, Hideo, Inada, Takaaki, Horibe, Akihiko, Suzuki, Hiroshi, Usui, Hiromoto

“…The present paper reviews the technologies on preventing the agglomeration and the growth of ice particles in water with a very small amount of suitable…”
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Incommensurate spin fluctuations in hole-overdoped superconductor KFe2As2 by Lee, C H, Kihou, K, Kawano-Furukawa, H, Saito, T, Iyo, A, Eisaki, H, Fukazawa, H, Kohori, Y, Suzuki, K, Usui, H, Kuroki, K, Yamada, K

“…A neutron scattering study of heavily hole-overdoped superconducting KFe2As2 revealed a well-defined low-energy incommensurate spin fluctuation at [π(1 ± 2…”
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Arase Observation of Simultaneous Electron Scatterings by Upper‐Band and Lower‐Band Chorus Emissions by Kazama, Y., Miyoshi, Y., Kojima, H., Kasahara, Y., Kasahara, S., Usui, H., Wang, B.‐J., Wang, S.‐Y., Tam, S. W. Y., Chang, T. F., Asamura, K., Matsuda, S., Kumamoto, A., Tsuchiya, F., Kasaba, Y., Shoji, M., Matsuoka, A., Teramoto, M., Takashima, T., Shinohara, I.

“…This study reports a relation between electron flux modulations and chorus emissions by using correlation analysis. On April 18, 2017, Arase observed an…”
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Thermoelectric Properties of La1-xSrxZnAsO by Kimura, Y., Kunioka, H., Kihou, K., Nishiate, H., Usui, H., Tokunaga, Y., Iida, T., Kuroki, K., Lee, C. H.

“…Polycrystalline La 1 - x Sr x ZnAsO (0.00 ≤ x ≤ 0.075 ) was synthesized by solid-state reactions followed by hot pressing. The sign of the Seebeck coefficient…”
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Extremely Collimated Electron Beams in the High Latitude Magnetosphere Observed by Arase by Kazama, Y., Kojima, H., Miyoshi, Y., Kasahara, Y., Kasahara, S., Usui, H., Wang, B.‐J., Wang, S.‐Y., Tam, S. W. Y., Chang, T.‐F., Asamura, K., Kasaba, Y., Matsuda, S., Shoji, M., Matsuoka, A., Teramoto, M., Takashima, T., Shinohara, I.

“…This report describes electron beams observed at high latitudes in the magnetosphere by the Arase satellite. According to fine angular channel measurements,…”
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The risk of post-molar gestational trophoblastic neoplasia is higher in heterozygous than in homozygous complete hydatidiform moles by Baasanjav, B., Usui, H., Kihara, M., Kaku, H., Nakada, E., Tate, S., Mitsuhashi, A., Matsui, H., Shozu, M.

“…BACKGROUND Complete hydatidiform mole (CHM) is a high-risk pregnancy for gestational trophoblastic neoplasia (GTN). Patients with CHM have a 10–30% chance of…”
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HMG‐CoA reductase inhibitor ameliorates diabetic nephropathy by its pleiotropic effects in rats by Usui, Hitomi, Shikata, Kenichi, Matsuda, Mitsuhiro, Okada, Shinichi, Ogawa, Daisuke, Yamashita, Tetsuji, Hida, Kazuyuki, Satoh, Minoru, Wada, Jun, Makino, Hirofumi

“…Background. An inflammatory process may be one of the critical factors that contribute to the development of diabetic nephropathy (DN). We reported previously…”
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Simulating Secondary Electron and Ion Emission from the Cassini Spacecraft in Saturn’s Ionosphere by Zhang, Z., Desai, R. T., Shebanits, O., Johansson, F. L., Miyake, Y., Usui, H.

“…Abstract The Cassini spacecraft’s Grand Finale flybys through Saturn’s ionosphere provided unprecedented insight into the composition and dynamics of the gas…”
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