Naoki Matsunaga

ORCID: 0000-0003-2133-4926
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Research Areas
  • Advancements in Solid Oxide Fuel Cells
  • Advanced ceramic materials synthesis
  • Catalytic Processes in Materials Science
  • Phase Equilibria and Thermodynamics
  • Adsorption, diffusion, and thermodynamic properties of materials
  • Aluminum Alloys Composites Properties
  • Electronic and Structural Properties of Oxides
  • Chemical Thermodynamics and Molecular Structure
  • Gas Sensing Nanomaterials and Sensors
  • Advanced materials and composites
  • Catalysis and Oxidation Reactions
  • Advanced Chemical Sensor Technologies
  • Electrocatalysts for Energy Conversion
  • Magnetic and transport properties of perovskites and related materials
  • Fuel Cells and Related Materials
  • Analytical Chemistry and Sensors
  • Analytical Chemistry and Chromatography
  • Combustion and flame dynamics
  • Material Properties and Applications
  • Ferroelectric and Piezoelectric Materials
  • Carbohydrate Chemistry and Synthesis
  • Atomic and Subatomic Physics Research
  • Advanced Combustion Engine Technologies
  • Gas Dynamics and Kinetic Theory
  • Glycosylation and Glycoproteins Research

Yokohama National University
2006-2024

University of Miyazaki
2012-2023

Kobe University Hospital
2022

Takushoku University
2007-2021

Saitama University
2018

Graduate School USA
2018

Ono Pharmaceutical (Japan)
2002-2017

Engineering (Italy)
2016

Faculty (United Kingdom)
2016

Kanazawa University
2015

In view of the importance air in science and technology abundance experimental data, we present this report a consistent set critically evaluated data an up-to-date correlation viscosity thermal conductivity gaseous phase over wide range temperature pressure. This is especially important for viscosity, since recent show systematic differences compared with old standard value used many years. The paper was written order to document critical evaluation latest sets new correlations air. covered...

10.1063/1.555744 article EN Journal of Physical and Chemical Reference Data 1985-10-01

SnO2 nanotubular materials were prepared by using a natural cellulosic substance (filter paper) as template, and their morphologies determined scanning electron microscopy (SEM) transmission (TEM). Cellulose fibers first coated with gel layers the surface sol−gel process Sn(OiPr)4 precursor, followed calcination in air to give hollow replicas of cellulose fibers. The nanotubes obtained at 450 °C amorphous-like composed fine particles sizes smaller than ca. 5 nm. outer diameters are tens two...

10.1021/cm047819m article EN Chemistry of Materials 2005-06-01

Data for the viscosity and thermal conductivity of dense gaseous liquid heavy water (D2O) have been reviewed critically evaluated. Selected data were fitted to equations, from which tables values generated temperatures up 500 °C pressures 100 MPa 550 conductivity. The uncertainties tabular estimated. present paper is intended explain background International Representations Viscosity Thermal Conductivity Heavy Water Substance Association Properties Steam. With aid correlations, kinematic...

10.1063/1.555694 article EN Journal of Physical and Chemical Reference Data 1983-10-01

Abstract A microaerophilic Gram-stain-negative bacilliform bacterial strain, FB-5 T , was isolated from activated sludge in Yokohama, Japan, that exhibited filamentous growth and formed a microtube (sheath). Cells were motile using single polar flagellum. The optimum temperature pH 30 °C 7.5, respectively. Strain catalase-negative. Peptides amino acids utilized as energy carbon sources. Sugars organic not utilized. Vitamin B 12 enhanced the of strain . Sulfur-dependent lithotrophic possible....

10.1007/s00203-024-03991-9 article EN cc-by Archives of Microbiology 2024-05-10

A detailed chemical kinetic modeling investigation of n-butane and n-pentane oxidation interaction with NO to NO2 conversion is presented. The model was validated against experiments obtained in an atmospheric-pressure, quartz flow reactor, which used examine the behavior for temperature range 600−1100 K residence times 0.16−1.46 s. Probe measurement species concentrations performed reactor using a mixture (20 ppm)/air/hydrocarbon (10 ppm). In calculation, time evolution NO, NO2,...

10.1021/ef050047b article EN Energy & Fuels 2005-07-07

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPrediction of the transport properties gaseous water and its isotopes at high temperaturesN. Matsunaga A. NagashimaCite this: J. Phys. Chem. 1983, 87, 25, 5268–5279Publication Date (Print):December 1, 1983Publication History Published online1 May 2002Published inissue 1 December 1983https://pubs.acs.org/doi/10.1021/j150643a042https://doi.org/10.1021/j150643a042research-articleACS PublicationsRequest reuse permissionsArticle...

10.1021/j150643a042 article EN The Journal of Physical Chemistry 1983-12-01

The hydrogen sensor using CaZr<sub>0.95</sub>Mn<sub>0.05</sub>O<sub>3</sub>as electrolyte depends only on the potential of working electrode when air was used as reference gas.

10.1039/c5ra23560j article EN RSC Advances 2016-01-01

A Gd-doped ceria powder (GDC, Ce0.8Gd0.2O1.9) prepared from an oxalate precursor was hot-pressed at 1173-1273 K in Ar atmosphere and annealed air 1273-1473 to control the bulk density grain size. Complex impedance of GDC microstructures 0.29-5.6 μm average size 95-98% theoretical were measured 573-1073 frequency range 100 Hz 2 MHz. The conductivity (σi(b)) independent activation energy for migration oxide ions 85-88 kJ/mol. boundary (σi(g)) far small as compare with σi(b) (σi(g)=1/40-1/700...

10.2109/jcersj2.116.291 article EN Journal of the Ceramic Society of Japan 2008-01-01

A thin film (60 μm thick) of a gadolinium‐doped ceria (GDC) electrolyte was prepared by the doctor blade method. This laminated with freeze‐dried 42 vol% NiO–58 GDC mixed powder and pressed uniaxially or isostatically under pressure 294 MPa. laminate cosintered at 1100 °–1500 °C in air for 4–12 h. The warped because difference shrinkage electrode during sintering. higher measured °–1200 1300 °C. increase thickness anode effective decreasing warp increasing density composite. maximum electric...

10.1111/j.1551-2916.2008.02646.x article EN Journal of the American Ceramic Society 2008-10-06

We succeeded in the synthesis of an anionic stannaferrocene by reaction a dilithiostannole with Fe(III) reagent, which cannot be achieved use cyclopentadienyl (Cp) and its relate...

10.1246/cl.180880 article EN Chemistry Letters 2018-11-30
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