15 hasil untuk "Masayoshi Fuji"
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Artikel Jurnal
Synthesis and Fabrication of Inorganic Porous Materials: From Nanometer to Millimeter Sizes
In recent years, the functions of porous ceramics such as light weight, thermal insulation, permeability, separation, adsorption, and sound absorption have been paid attention. They are applied to materials for environmental improvement, materials for energy system, biomechanical materials, spatial…
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Artikel Jurnal
Synthesis and Applications of Hollow Particles
Hollow particle is a promising material with the special properties of low densities, thermal insulation and distinct optical activity. Due to their potential promising applications in the fields of drug delivery, catalysis and optics, a great effort has been devoted to develop new preparation…
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Artikel Jurnal
NMR as a Tool to Characterize the Aggregation Structure of Silica Nanoparticles in a Liquid
The NMR-based solvent relaxation technique, a non-invasive tool to characterize the surface of particles, which are dispersed in a liquid, was applied to characterize the nanoparticles’ aggregation structure. The liquid molecules in a dispersion undergo a rapid exchange between the bound states at…
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Artikel Jurnal
High-Pressure Torsion for Highly-Strained and High-Entropy Photocatalysts
Nowadays, the environmental crisis caused by using fossil fuels and CO2 emissions has become a universal concern in people’s lives. Photocatalysis is a promising clean technology to produce hydrogen fuel, convert harmful components such as CO2, and degrade pollutants like dyes in water. There are…
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Artikel Jurnal
Structure and Wettability of Various Silica Surfaces: Evaluation on the Nano and Macro Levels [Translated]†
Microscopic and macroscopic wettabilities of various silica surfaces modified with trimethylsilyl groups were studied, focusing on the effect of their surface geometrical structures. Micro and macro geometrical structures were investigated by water vapor adsorption. Microscopic wettability was…
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Artikel Jurnal
Experimental study of particle concentration under electric field
It is difficult to remove well dispersed fine particles from dilute slurry, because filtration and evaporation process requires a lot of time and energy. Electrophoresis is known as a method of moving fine particles. Therefore, the electrophoresis technique is used to collect fine particles from…
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Artikel Jurnal
Surface Structure and Photocatalytic Activity of Ti Supported on Alumina Powder [Translated]†
Surface modified alumina powder that has photocatalytic activity was studied. To control the amount of Ti introduced on the surface at the molecular level, the powder was prepared by chemical surface modification with a monofunctional titanate-based coupling agent, followed by partial oxidation of…
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Artikel Jurnal
Impact of TiO2-II phase stabilized in anatase matrix by high-pressure torsion on electrocatalytic hydrogen production
Electrocatalysis using renewable energy sources provides a clean technology to produce hydrogen from water. Titanium oxide is considered as a potential electrocatalyst not only for hydrogen production but also for CO2 conversion. In this study, to enhance the cathodic electrocatalytic activity of…
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Artikel Jurnal
Transforming black liquor waste into nanoporous carbon support of tungsten phosphide catalyst for green diesel production
This study presents an innovative approach for utilizing black liquor, a byproduct from the pulp and paper industry, to prepare nanoporous carbon support for synthesizing a metal phosphide catalyst for production of green diesel. Advanced characterization techniques were employed to fully…
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Artikel Jurnal
Valorization of horse manure conversion to magnetic carbon nanofiber for dye adsorption by hydrothermal treatment coupled with carbonization
Pollution of water resources has recently increased as a result of expanded industrial activity. Recycling waste biomass into bio-adsorbent material offers a cheap, easy, and eco-friendly solution. In this study, magnetic carbon nanofibers (MCNF) with a highly porous structure were developed from…
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Artikel Jurnal Teks lengkap
Nanomaterials by severe plastic deformation: review of historical developments and recent advances
IMPACT STATEMENT This article comprehensively reviews recent advances on development of ultrafine-grained and nanostructured materials by severe plastic deformation and provides a brief history regarding the progress of this field.Severe plastic deformation (SPD) is effective in producing bulk…
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Artikel Jurnal Teks lengkap
Severe plastic deformation for producing superfunctional ultrafine-grained and heterostructured materials: An interdisciplinary review
Ultrafine-grained and heterostructured materials are currently of high interest due to their superior mechanical and functional properties. Severe plastic deformation (SPD) is one of the most effective methods to produce such materials with unique microstructure-property relationships. In this…