نتایج جستجو برای: nanopowder

تعداد نتایج: 621  

Journal: :Nanotechnologies in Construction: A Scientific Internet-Journal 2015

Journal: :Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases 2021

Journal: :International Journal of Chemical Engineering 2022

Producing items that are of both high quality and long lasting is a difficult task for companies right now. There huge need wide range engineering materials in today’s technologically advanced globe. The strength qualities the material determine amount may be used. Due to its excellent mechanical low density, aluminum-7075 alloy mostly employed transportation applications such as aerospace, mar...

Journal: :Journal of physics 2021

In the present work, a mesoporous multiphase amorphous crystal nanopowder Bi2O3 with specific surface area of up to 23 m2/g was produced by pulsed electron beam evaporation in vacuum. Influence thermal annealing (200-500 °C) powders air is investigated. The formation droplets size 3-5 nm on all large nanoparticles constituting framework 3D agglomerates found due extrusion liquid bismuth from vo...

Journal: :international journal of nanoscience and nanotechnology(ijnn 0
z. s. arabshahi department of solid state physics, faculty of basic science, university of mazandaran, p. o. box 47416-95447, babolsar, iran m. akbarzadeh pasha 1department of solid state physics, faculty of basic science, university of mazandaran, p. o. box 47416-95447, babolsar, iran f. shahi department of solid state physics, faculty of basic science, university of mazandaran, p. o. box 47416-95447, babolsar, iran

in this research carbon nanotubes were produced by chemical vapor deposition of acetylene over a mixture of iron and cobalt catalysts supported on nanometric tio2 and the influences of two synthesis parameters: growth temperature and catalyst composition ratio on properties of end-product carbon nanotubes were investigated. the catalytic basis was prepared by wet impregnation method with differ...

Journal: :Journal of the Ceramic Society of Japan 2010

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