- Toxic Organic Pollutants Impact
- Solar and Space Plasma Dynamics
- Fluid Dynamics and Turbulent Flows
- Aluminum Alloy Microstructure Properties
- Geomagnetism and Paleomagnetism Studies
- Environmental Toxicology and Ecotoxicology
- Metallurgy and Material Forming
- Advanced Thermodynamics and Statistical Mechanics
- Per- and polyfluoroalkyl substances research
- Geophysics and Gravity Measurements
- Effects and risks of endocrine disrupting chemicals
- Aluminum Alloys Composites Properties
- Magnesium Alloys: Properties and Applications
- Pharmaceutical and Antibiotic Environmental Impacts
- Computational Fluid Dynamics and Aerodynamics
- Metal Forming Simulation Techniques
- Cosmology and Gravitation Theories
- Pesticide and Herbicide Environmental Studies
- Odor and Emission Control Technologies
- Tribology and Lubrication Engineering
- Atmospheric chemistry and aerosols
- Gear and Bearing Dynamics Analysis
- Indoor Air Quality and Microbial Exposure
- Gas Dynamics and Kinetic Theory
- Intermetallics and Advanced Alloy Properties
National Institute for Environmental Studies
2009-2025
Hayashibara (Japan)
2017-2024
Kobe Steel (Japan)
2002-2022
Tokyo University of Agriculture and Technology
2014-2015
Inoue Hospital
2012-2014
Gifu University
2012
Institute for Materials Research, Tohoku University
2011
Tohoku University
1993-2011
Advanced Institute of Materials Science
2011
Yokohama National University
1998-2010
The adsorption of ${\mathrm{C}}_{60}$ and ${\mathrm{C}}_{84}$ on the Si(100)2\ifmmode\times\else\texttimes\fi{}1 surface is investigated by using scanning tunneling microscope (STM) spectroscope (STS). Both molecules occupy trough surrounded four neighboring dimers. results show that both form strong bonds with Si substrate. Multiple-layer in formation ordered crystalline islands fcc(111) configuration. internal structures have also been observed for first layer adsorbed Si(100) surface. In...
We consider axisymmetric steady centrifugally driven thermal convection in a compressible fluid rapidly rotating circular cylinder. The Boussinesq approximation is not used, because it valid for the case of practical interest. clarify importance effect flow-induced volume change particle, and propose widely applicable method solution.
The spatial distribution, partitioning, and time trends of perfluorooctane sulfonate (PFOS) perfluorooctanoate (PFOA) were investigated in the water column bottom sediment Tokyo Bay, Japan, during 2004-2006. A total 480 60 samples obtained by regular 20-station samplings ascertained three-dimensional distributions these compounds changes seawater structure whole bay. median volume-based average water-borne concentrations PFOS PFOA was 3.7 12 ng/L, respectively. 0.61 0.20 ng/g-dry. Vertical...
A response of viscous heat-conducting compressible fluid to an abrupt change angular velocity a containing thermally insulated circular cylinder under the existence stable distribution temperature is investigated within framework Boussinesq approximation for time duration order homogeneous-fluid spin down in resolve Holton-Pedlosky controversy. The explicit expression solution obtained by standard method and Holton's conclusion confirmed. secondary meridional current induced Ekman layers...
A spatially resolved and geo-referenced dynamic multimedia environmental fate model, G-CIEMS (Grid-Catchment Integrated Environmental Modeling System) was developed on a geographical information system (GIS). The case study for Japan based the air grid cells of 5 × km resolution catchments with an average area 9.3 km2, which corresponds to about 40 000 38 river segments/catchment polygons, were performed dioxins, benzene, 1,3-butadiene, di-(2-ethyhexyl)phthalate. averaged concentration model...
Isomaltodextrin (IMD), a highly branched α-glucan, is type of resistant starch. Earlier studies have indicated that polysaccharides could prevent inflammation and can be effective in reducing the complications chronic gastrointestinal diseases such as inflammatory bowel disease (IBD). Therefore, aim present study was to evaluate anti-inflammatory effect IMD dextran sodium sulfate (DSS)-induced colitis mouse model. (0.5, 1.0, 2.5, 5.0% (w/v)) given orally for 23 days female Balb/c mice, then...
We consider steady non-axisymmetric source-sink flow of a perfect gas in rapidly rotating circular cylinder for the case which sources and sinks are distributed on top bottom. apply linearized analysis to small perturbation from state rigid-body rotation. show that radial pressure gradient plays an important role determination axisymmetric part field effects viscosity thermal conductivity govern overall configuration part. also transport main inner is axial confined horizontal boundary layers.
The effect of pre-straining in combination with pre-aging on bake-hardening behavior an Al-0.6 mass%Mg-1.0 mass%Si alloy was investigated by means Vickers hardness test, electrical conductivity measurement, differential scanning calorimetry (DSC) and transmission electron microscopy (TEM). Hardness change DSC analysis revealed that only 3% pre-strain suppresses the formation clusters; i.e. cluster(1), during single aging below 343 K. On other hand, combining at K, found to improve response...
Spatial distributions and partitioning of polychlorinated biphenyls (PCBs) in Tokyo Bay, Japan, were evaluated by measuring the concentrations all 209 PCB congeners surface bottom waters sediment at 10 locations. The dissolved + particulate summed congener (ΣPCB [sum congeners]) ranged from 120 to 1100 pg L−1 (median 250 L−1) 83 910 230 L−1), respectively. did not statistically differ between two layers, possibly because vertical mixing water column. ΣPCB 2.7 110 ng g−1-dry weight. highest...
We estimated inflow rates of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) to Tokyo Bay, Japan, between February 2004 2011 by a receptor-oriented approach based on quarterly samplings the bay water. Temporal trends in these are an important basis for evaluating changes PFOS PFOA emissions Bay catchment basin. A mixing model average concentrations compounds freshwater bay, which were then multiplied obtain compounds. The enabled us comprehensively cover including via direct...
The existence of a new time scale t = σ- ¼ ( L 2 / kN ) ½ , where σ, k, and N are the Prandtl number, thermometric conductivity, typical length Brunt-Väisälä frequency, respectively, is clarified for temperature adjustment process Boussinesq fluid in circular cylinder.
:The purpose of this study was to identify the anti-inflammatory activity and mechanism isomaltodextrin (IMD) in a C57BL/6NCrl mouse model with lipopolysaccharide (LPS)-induced systemic low-grade chronic inflammation effect on inflammation-induced potential risk metabolic disorders. Pre-treatment IMD decreased production pro-inflammatory mediators, TNF-α MCP-1, stimulated mediator, adiponectin by increasing protein expression peroxisome proliferator-activated receptor gamma (PPAR-γ) white...
Performances of an oil-lubricated spiral-grooved journal bearing are investigated in this paper with special attention paid to cavitation occurrence. The “equivalent flow model,” which is a theoretical scheme for taking the occurrence into hydrodynamic lubrication theory, applied analyses by finite difference treatment Reynolds equation that deals geometry number grooves. calculated results compared experimental under eccentric states, and verified terms map pressure distribution. cavitated...
The impulsive linear spin-down of a stably stratified Boussinesq fluid in circular cylinder is analyzed under the assumption that Prandtl number P = ν/κ small (ν kinematic viscosity, κ thermal diffusivity). nature process depends on ordering with respect to Ekman E. For < E ½ , similar an unstratified fluid. > for O (1). distinctive case ( ) detail. it shown N [Gt ] Ω, asymptotic state rigid rotation reached time order /Ω) 2 τ, where Brunt-Väisälä frequency, Ω angular velocity and τ...
The population in Japan is aging at a faster rate than other countries the world. It speculated that number of patients with late-onset amyotrophic lateral sclerosis (ALS) will increase even more future. However, few studies have been undertaken on characteristics ALS Japan. This study sought to investigate clinical features compared those early-onset using progression (ΔFS).Forty-five sporadic were divided into 2 groups: 23 (<65 years; early onset) and 22 (≥65 late onset). Every patient was...