Browsing Research Units by Title
Now showing items 2135-2154 of 4830
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Hybrid coagulation-NF membrane process for brackish water treatment: Effect of antiscalant on water characteristics and membrane fouling
( Elsevier B.V. , 2016 , Article)Antiscalants have been used to inhibit the formation of scales and reduce the risk of membrane scaling. However, issues such as the increased of biofouling tendency and contradictory observations of organic fouling propensity ... -
Hybrid coagulation-NF membrane processes for brackish water treatment: Effect of pH and salt/calcium concentration
( Elsevier B.V. , 2016 , Article)In order to reduce membrane fouling propensity, membrane technologies in water treatment and desalination processes have been coupled with coagulation process. However, the fouling issues still persisted. It is believed ... -
Hybrid effect of carbon nanotubes and polypropylene microfibers on fire resistance, thermal characteristics and microstructure of cementitious composites
( Elsevier , 2020 , Article)The current study experimentally investigates the hybrid effect of carbon nanotubes (CNTs) and polypropylene (PP) microfibers on fire resistance and thermal characteristics of cementitious composites. Cement mortar with ... -
Hybrid Halloysite Nanotubes as Smart Carriers for Corrosion Protection
( American Chemical Society , 2020 , Article)Novel hybrid halloysite nanotubes (HHNTs) were developed and used as smart carriers for corrosion protection of steel. For this purpose, as-received halloysite nanotubes (HNTs) were loaded with a corrosion inhibitor, ... -
Hybrid Multi-Objective Optimization Approach With Pareto Local Search for Collaborative Truck-Drone Routing Problems Considering Flexible Time Windows
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)The collaboration of drones and trucks for last-mile delivery has attracted much attention. In this paper, we address a collaborative routing problem of the truck-drone system, in which a truck collaborates with multiple ... -
Hybrid shell microcapsules containing isophorone diisocyanate with high thermal and chemical stability for autonomous self-healing of epoxy coatings
( John Wiley and Sons Inc. , 2019 , Article)Silica-polyurea/polyuretane hybrid shell microcapsules (MCs) loaded with isophorone diisocyanate (IPDI) with long shelf-life and high thermal and chemical stability are prepared via emulsification followed by interfacial ... -
Hydroacoustics to examine fish association with shallow offshore habitats in the Arabian Gulf
( Elsevier B.V. , 2018 , Article)In order to implement spatial fisheries management in the Arabian Gulf, a better understanding of the distribution of fish in relation to benthic habitats is required. To facilitate this, hydroacoustic fish surveys were ... -
Hydrocarbon-based fuel cell membranes: Sulfonated crosslinked poly(1,3-cyclohexadiene) membranes for high temperature polymer electrolyte fuel cells
( Elsevier , 2015 , Article)High temperature fuel cell membranes based on poly(1,3-cyclohexadiene) were prepared by a Polymerization-Crosslinking-Sulfonation (PCS) approach, and a broad range of membrane compositions were achieved using various ... -
Hydrogen bond coupling in sodium dihydrogen triacetate
( Springer Verlag , 2014 , Article)The coupling of hydrogen bonds is central to structures and functions of biological systems. Hydrogen bond coupling in sodium dihydrogen triacetate (SDHTA) is investigated as a model for the hydrogen bonded systems of the ... -
Hydrogen storage in gas reservoirs: A molecular modeling and experimental investigation
( Elsevier , 2023 , Article)Hydrogen is one of the clean energy sources that can be used instead of fossil fuel sources to reduce greenhouse emissions. However, hydrogen supply intermittency significantly reduces the deployment and reliability of ... -
Hydrogen storage in gas reservoirs: A molecular modeling and experimental investigation
( Elsevier , 2023 , Article)Hydrogen is one of the clean energy sources that can be used instead of fossil fuel sources to reduce greenhouse emissions. However, hydrogen supply intermittency significantly reduces the deployment and reliability of ... -
Hydrogen Underground Storage in Silica-Clay Shales: Experimental and Density Functional Theory Investigation
( American Chemical Society , 2023 , Article)In the context of reducing the global emissions of greenhouse gases, hydrogen (H2) has become an attractive alternative to substitute the current fossil fuels. However, its properties, seasonal fluctuations, and the lack ... -
Hydropriming with moringa leaf extract mitigates salt stress in wheat seedlings
( MDPI , 2021 , Article)Salinity is the major constraint that decreases the yield and production of crops. Wheat has a significant value in agricultural food commodities. The germination and growth of wheat seedlings are a big challenge in ... -
Hydrothermal liquefaction of marine microalgae biomass using co-solvents
( Elsevier B.V. , 2019 , Article)Hydrothermal liquefaction (HTL) of microalgae biomass is a promising conversion technology in which wet biomass is treated under high temperature (280–350 °C) and pressure (5–21 MPa), and the associated water in the wet ... -
Hydrothermally grown ZnO electrodes for improved organic photovoltaic devices
( Elsevier B.V. , 2018 , Article)Here we report a simple, solution based processing route for the formation of large surface area electrodes resulting in improved organic photovoltaic devices when compared with conventional planar electrodes. The ... -
Hyperhydration-induced decrease in urinary luteinizing hormone concentrations of Male athletes in doping control analysis
( Human Kinetics Publishers Inc. , 2019 , Article)Low urinary luteinizing hormone (LH) values have been discussed as a marker to detect steroid abuse. However, suppressed LH concentrations related to highly diluted urine samples could be a misleading indication of anabolic ... -
Hypertrophic cardiomyopathy-linked variants of cardiac myosin-binding protein C3 display altered molecular properties and actin interaction
( Portland Press Ltd , 2018 , Article)The most common inherited cardiac disorder, hypertrophic cardiomyopathy (HCM), is characterized by thickening of heart muscle, for which genetic mutations in cardiac myosin-binding protein C3 (c-MYBPC3) gene, is the leading ... -
Hypoxia in the central Arabian Gulf Exclusive Economic Zone (EEZ) of Qatar during summer season
( Elsevier , 2015 , Article)Abstract One of the most fascinating and unexpected discoveries during the Qatar University Marine Expeditions to the marine Exclusive Economic Zone (EEZ) of Qatar in 2000–2001, was the detection of a hypoxic water layer ... -
IBX/KI promoted synthesis of 2, 5-disubstituted 1, 3, 4-oxadiazoles
( Bentham Science Publishers B.V. , 2018 , Article)Background: Oxadiazoles are privileged scaffolds in different areas of medicinal, pesticidal, polymer and material science. They act as anticancer, benzodiazepine receptor agonists, antimicrobial, analgesic, diuretic and ... -
ICT sector, digitization and environmental sustainability: A systematic review of the literature from 2000 to 2022
( Elsevier , 2023 , Article Review)In line with an intensified call for reducing greenhouse emissions and curbing the effects of climate change, scientists and experts have looked to information communication technology (ICT) and digitization as critical ...