نتایج جستجو برای: cuo tio2 nanocomposite
تعداد نتایج: 39218 فیلتر نتایج به سال:
The purpose of this paper is to study the effects use boron nitride (BN) and other conventional nanoparticles (Al2O3, CuO TiO2) on pressure drop heat transfer in a microchannel. governing equations for forced fluid flow were worked out by using fluent computational dynamics (CFD) code. Computational results collected from CFD code Al2O3 as nano-particle compared with numerical values used liter...
Background and Objectives: Antimicrobial active packaging with metallic nanoparticles is used as antimicrobial agent in the packaging of food. This study considers the coliform retarding ability of antimicrobial packaging in ultra-filtrated (UF) cheese. Materials and Methods: Plastic films based on low-density polyethylene containing organoclay (cloisite 30B) and different percentages of Ag an...
Nanoparticles (NPs) have great potential for use in the fields of biomedicine, building materials, and environmental protection because of their antibacterial properties. However, there are few reports regarding the antifungal activities of NPs on plants. In this study, we evaluated the antifungal roles of NPs against Botrytis cinerea, which is a notorious worldwide fungal pathogen. Three commo...
the resource intensive human activities (such as mining and extraction of mineral oils for betterment of life and modernization of society) have increased environmental pollution several folds. products of mining and petrochemical industries are advantageous for the modern society. but waste generated such as btex from such industries are carcinogenic, toxic and causes adverse effects on enviro...
The crystal structures of different forms of TiO2 and those of BaTiO3, ZnO, SnO2, WO3, CuO, Fe2O3, Fe3O4, ZrO2 and Al2O3 nanoparticles have been deduced by powder X-ray diffraction. Their optical edges have been obtained by UV-visible diffuse reflectance spectra. The photocatalytic activities of these oxides and also those of SiO2 and SiO2 porous to oxidize iodide ion have been determined and c...
CuO/ZnO nanocomposites were greenly prepared and tested for the catalytic degradation of methyl orange. The XRD analysis confirmed existence CuO ZnO with crystallite sizes within range 15–30 nm. TEM SEM images showed different morphological properties. TGA revealed a good thermal stability nanocomposite, total loss less than 18% at temperature 700 °C. orange under mild conditions catalyst mass/...
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