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السجلات المعروضة 589 -- 608 من 1347
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Graphite powder mixed with black paint on the absorber plate of the solar still to enhance yield: An experimental investigation
( Elsevier B.V. , 2021 , Article)The main goal of present article is to see how adding graphite powder and black paint to the absorber plate can increase solar still yield. Therefore, two identical in size solar stills called modified solar still (MSS) ... -
Graphitic Carbon Nitride Nanosheets Decorated with Zinc-Cadmium Sulfide for Type-II Heterojunctions for Photocatalytic Hydrogen Production
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)In this study, we fabricated graphitic carbon nitride (g-C3N4) nanosheets with embedded ZnCdS nanoparticles to form a type II heterojunction using a facile synthesis approach, and we used them for photocatalytic H2 production. ... -
Green energy powered - vapor, thermal and UV light assisted disinfection technology
( Elsevier , 2023 , Article)Infectious diseases are responsible for an immense global burden of disease that impacts public health systems and economies worldwide. The rapid increase in the use of protective items has introduced an urge for their ... -
Green Synthesis of Silver Nanoparticles from Pterocarpus santalinus Leaf Broth and Their Antibacterial and Antioxidant Activities
( Wiley-VCH Verlag , 2020 , Article)In this study, metallic silver nanoparticles (AgNPs) are synthesized through a simplistic, single-step method, which is a green and eco-friendly process, as it includes medicinal plant aqueous leaf extracts of Pterocarpus ... -
Green synthesized materials for sensor, actuator, energy storage and energy generation: a review
( Taylor and Francis Inc. , 2020 , Article)Green synthesis methods have attracted enormous research interest as replacements for dangerous chemicals due to their abundance and eco-friendliness. The remarkable properties of green synthesized materials include ... -
Ground water treatment using solar radiation-vaporization & condensation-techniques by solar desalination system
( Taylor and Francis Ltd. , 2020 , Article)Solar Desalination unit with three basins system used for groundwater treatment. The incoming rate of water was measured in Solar based Distillation collected water during the morning to evening (8:00 am to 6:00 pm). In ... -
Growth of MAPbBr3 perovskite crystals and its interfacial properties with Al and Ag contacts for perovskite solar cells
( Elsevier B.V. , 2017 , Article)In this work, the MAPbBr3 perovskite crystals were grown and the interfacial properties of the poly-crystalline MAPbBr3 with Aluminum (Al) and Silver (Ag) contacts has been investigated. MAPbBr3 crystals are turned into ... -
Halloysite Nanotube as Multifunctional Component in Epoxy Protective Coating
( American Chemical Society , 2016 , Article)The current research explores the use of halloysite nanotube as a multifunctional filler in epoxy coating for carbon steel. Epoxy monomer loaded halloysite was incorporated into epoxy coating along with amine hardener ... -
Halogen-free flame-retardant compounds. Thermal decomposition and flammability behavior for alternative polyethylene grades
( MDPI AG , 2019 , Article)The effect of six halogen-free flame retardant (FR) formulations was investigated on the thermal stability of two low-density polyethylenes (LDPE) and one linear low-density polyethylene (LLDPE), by means of thermogravimetric ... -
Heat transfer performance of paraffin wax based phase change materials applicable in building industry
( Elsevier Ltd , 2016 , Article)Thermal characterization of phase change materials (PCMs) compose of linear low-density polyethylene (LLDPE), paraffin wax (W) with a melting point of 25 °C, and expanded graphite (EG), that are highly effective in thermal ... -
Heterogeneous Catalysts for Conversion of Biodiesel-Waste Glycerol into High-Added-Value Chemicals
( MDPI , 2022 , Article)The valuable products produced from glycerol transformation have become a research route that attracted considerable benefits owing to their huge volumes in recent decades (as a result of biodiesel production as a byproduct) ... -
Heterogeneous growth mechanism of ZnO nanostructures and the effects of their morphology on optical and photocatalytic properties
( Royal Society of Chemistry , 2017 , Article)Zinc oxide (ZnO) nanoflowers have huge potential for various applications. However, the growth mechanism of ZnO nanoflowers is still under debate despite various growth mechanisms having been proposed. The aim of this study ... -
Heterointerface engineered and highly dual-functional N-doped carbon dot /N-rich g-C3N4 hybrid photocatalysts
( Elsevier Ltd , 2022 , Article)Coupled oxidation and reduction of 4-nitrophenol (4NP) and Cr(VI) offer unique advantages for wastewater treatment. In this study, nitrogen-doped carbon dots (NCDs) were decorated on the surface of nitrogen-rich g-C3N4 ... -
Hierarchical Porous Carbon Nitride-Crumpled Nanosheet-Embedded Copper Single Atoms: An Efficient Catalyst for Carbon Monoxide Oxidation
( American Chemical Society , 2022 , Article)Rational design of metal single-site embedded porous graphitic carbon nitride (P-g-C3N4) nanostructures exploiting maximum atom utilization is warranted to enhance the thermal CO oxidation (COOx) reaction. Herein, a facile, ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference Paper)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
High Dispersion of Platinum Nanoparticles over Functionalized Zirconia for Effective Transformation of Levulinic Acid to Alkyl Levulinate Biofuel Additives in the Vapor Phase
( MDPI , 2022 , Article)In recent years, functionalized metal oxides have been gaining popularity for biomass conversion to fuels and chemicals due to the global energy crisis. This study reports a novel catalyst based on noble metal immobilization ... -
High electrocatalytic performance of CuCoNi@CNTs modified glassy carbon electrode towards methanol oxidation in alkaline medium
( MDPI AG , 2017 , Article)A novel non-precious multiwalled carbon nanotubes (CNTs)-supported metal oxide electrocatalyst was developed for methanol electrooxidation in alkaline medium. The catalyst was fabricated by simultaneous electrodeposition ... -
High electrocatalytic performance of nitrogen-doped carbon nanofiber-supported nickel oxide nanocomposite for methanol oxidation in alkaline medium
( Elsevier B.V. , 2017 , Article)Nitrogen-Doped Carbon Nanofiber (N-CNF)–supported NiO composite was prepared by electrospinning a sol-gel mixture of graphene and polyaniline (PANi) with aqueous solutions of Polyvinylpyrrolidone (PVP) followed by a ... -
High performance sulfonic acid doped polyaniline–polystyrene blend ammonia gas sensors
( Springer Nature , 2016 , Article)In this work, we present a method of preparation and sensing measurement of four camphorsulfonic acid (CSA) doped polyaniline–polystyrene blends (PANI–PS), where PANI is obtained by dispersion polymerization and blending ... -
High-Efficiency Solar Desalination Accompanying Electrocatalytic Conversions of Desalted Chloride and Captured Carbon Dioxide
( American Chemical Society , 2019 , Article)The sustainability of conventional water- and energy-associated systems is being examined in terms of water-energy nexus. This study presents a high-efficiency, off-grid solar desalination system for saline water (salinities ...