نتایج جستجو برای: silicon dioxide based nanocomposites

تعداد نتایج: 3071441  

A. Nasiri M. Shariaty-Niasar Shariaty-Niasar Z. Akbari

Improving barrier properties through the use of nanocomposites is an important area of research, especially for the food packaging industry. In this work, Titanium dioxide (TiO2 )/Low density Poly Ethylene (LDPE) nanocomposites were synthesized as the oxygen barrier layers through the co-extrusion process. The Oxygen permeability of the nanocomposite with 4% of TiO2 decreased for about 16% comp...

Journal: :Proceedings of the Voronezh State University of Engineering Technologies 2019

Journal: :Materials advances 2021

We report the synthesis of Ni/SiOCN ceramic nanocomposites with high surface area as catalysts for carbon dioxide and methane conversion.

Journal: :Analytical chemistry 1996
M Hidalgo F Martín J J Laserna

Silicon photovoltaic cells have design and material requirements different from those of most other silicon electronic devices. Not only are nearly ideal silicon surfaces required, but also the bulk properties must be of uniform high quality for high-energy conversion efficiency. In this paper, emission spectra of laser-generated plasmas from titanium dioxide antireflection coatings in solar ce...

Journal: :Advances in Materials Science and Engineering 2022

This research work primarily focuses on enhancing the power conversion efficiency (PCE) of polycrystalline silicon solar cells by using a single-layer and double-layered antireflection coating deposited through electrospraying technique. The usage titanium dioxide as materials has shown significant increase in optical electrical properties under open controlled light sources. sample with TiO2 b...

Journal: :Journal of occupational health 2007
Fahrettin Talay Kamil Gurel Safiye Gurel Bahar Kurt Tuncer Tug

Free silica (silicon dioxide) is naturally found in amorphous and crystalline forms in many rocks in the Earth . Inhaled silicon dioxide is usually crystalline and most often quartz which is the most important form. Silicosis is an irreversible disease that results from workrelated exposures to dusts containing silica crystals, and is characterized by fibrotic tissue reaction caused by the pres...

2016

C17H17ClO 6 M.W. 352.77 Griseofulvin, USP occurs as a white to creamy white, odorless powder which is very slightly soluble in water, soluble in acetone, dimethylformamide, and chloroform and sparingly soluble in alcohol. Each Gris-PEG tablet contains: Active Ingredient: griseofulvin ultramicrosize................................................. 125 mg Inactive Ingredients: colloidal silicon d...

2013
J. H. Choi S. J. Kim M. S. Jung

There are a many of needs for the development of SiC-based hydrogen sensor for harsh environment applications. We fabricated and investigated Pd/Ta2O5/SiC-based hydrogen sensors with MOS capacitor structure for high temperature process monitoring and leak detection applications in such automotive, chemical and petroleum industries as well as direct monitoring of combustion processes. In this wo...

2010
Jiguo Chen

Eight titanium complex greases (i.e., benzoic acid/stearic acid and sebacic acid/stearic acid titanium complex greases, and greases containing PTFE, or nanotitanium dioxide, or nano-silicon dioxide) were synthesized using 3-L reaction vessel. Their physical characteristics were characterized and their tribological properties were evaluated by using a four-ball tester. Chemical compositions of t...

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