Browsing Academic by Title
Now showing items 6957-6976 of 25460
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Effect of microwave sintering on the properties of copper oxide doped Y-TZP ceramics
( Elsevier Ltd , 2018 , Article)The effect of various amounts of copper oxide (CuO) up to 1 wt% on the densification behaviour and mechanical properties of 3 mol% yttria-tetragonal zirconia polycrystal (Y-TZP) were studied by using microwave (MW) sintering ... -
Effect of mixing duration on flexural strength of multi walled carbon nanotubes cementitious composites
( Elsevier Ltd , 2016 , Article)This paper investigates the effect of mixing duration on the flexural strength of multi-walled carbon nanotubes (MWCNTs) reinforced cementitious composites. Each batch containing 0.03%, 0.08%, 0.15% or 0.25% MWCNT to cement ... -
Effect of mobile text messages on antiretroviral medication adherence and patient retention in early HIV care: An open-label, randomized, single center study in south Florida
( BioMed Central Ltd. , 2020 , Article)Background People with HIV (PHIV) with limited access to health services often experience suboptimal antiretroviral therapy (ART) adherence. We investigated whether a daily text messaging intervention improves ART adherence ... -
The effect of moderate and high-intensity fatigue on groundstroke accuracy in expert and non-expert tennis players
( PMC , 2013 , Article)Exploring the effects of fatigue on skilled performance in tennis presents a significant challenge to the researcher with respect to ecological validity. This study examined the effects of moderate and high-intensity fatigue ... -
Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in Qatar.
( Massachusetts Medical Society , 2022 , Article)Waning of vaccine protection against coronavirus disease 2019 (Covid-19) and the emergence of the omicron (or B.1.1.529) variant of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have led to expedited ... -
Effect of multi-pass friction stir processing on the microstructure, mechanical and wear properties of AA5083/ZrO2 nanocomposites
( Elsevier Ltd , 2017 , Article)In this study, multi-pass friction stir processing using zirconia nanoparticles was performed on AA5083 sheets to fabricate surface nanocomposites. Effect of using different number of passes on the microstructure, ... -
Effect of multilayer windings on five-phase interior PM machines
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Thanks to their higher power density and efficiency, the interior permanent magnet (IPM) machines equipped with a fractional slot concentrated winding (FSCW) layout have shown potentials in electric vehicle applications. ... -
Effect of Multilayer Windings with Different Stator Winding Connections on Interior PM Machines for EV Applications
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)The interior permanent magnet (IPM) machine equipped with a fractional-slot concentrated winding (FSCW) has met an increasing interest in electric vehicle applications due to its higher power density and efficiency. Torque ... -
Effect of multiple freeze–thaw cycles on the detection of anti-SARS- CoV- 2 IgG antibodies
( Microbiology Society , 2021 , Article)Several studies have investigated the effect of repeated freeze-thaw (F/T) cycles on RNA detection for severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). However, no data are available regarding the effect of ... -
Effect of nanostructured polyhedral oligomeric silsesquioxane on the physical properties of poly(vinyl alcohol)
( John Wiley and Sons Inc. , 2017 , Article)An effective amphiphilic polyhedral oligomeric silsesquioxane (POSS) encapsulated poly(vinyl alcohol) (PVA) nanocomposite was successfully fabricated by solution blending method. Anionic octa(tetramethylammonium) (Octa-TMA) ... -
Effect of near-infrared and blue laser light on vero E6 cells SARS-CoV-2 infection model
( Wiley , 2022 , Other)Photobiomodulation therapy (PBMT) employing laser light has been emerging as a safe strategy to challenge viruses. In this study the effect of blue and near-infrared (NIR) laser light was assessed in an in vitro model of ... -
The Effect of New and Traditional Sources of Financing on the Performance of Small and Entrepreneurship Businesses: The Case of Qatar
( Taylor & Francis , 2023 , Article)Purpose: This paper investigates how entrepreneurial finance in Qatar affects the performance of small and entrepreneurship businesses (SEB). It is the first study examining the financial decisions of SEB in Qatar, ... -
Effect of Ni incorporation in cobalt oxide lattice on carbon formation during ethanol decomposition reaction
( Elsevier B.V. , 2019 , Article)In this work, we report the results of catalytic decomposition of ethanol over a porous mixed metal oxide of Ni-Co (NiCoO2) and analyze the effect of Ni incorporation in Co3O4 lattice on the activity and hydrogen selectivity ... -
Effect of nickel on combustion synthesized copper/fumed-SiO2 catalyst for selective reduction of CO2 to CO
( John Wiley and Sons Ltd , 2022 , Article)In this study, we explore the effect of nickel incorporation in Cu/fumed-SiO2 catalyst for CO2 reduction reaction. Two catalysts, Cu and CuNi supported on fumed silica were synthesized using a novel surface restricted ... -
The effect of novel nitrogen-based chalcone analogs on colorectal cancer cells: Insight into the molecular pathways
( Elsevier , 2024 , Article)In colorectal cancer (CRC), aberrations in KRAS are associated with aggressive tumorigenesis and an overall low survival rate because of chemoresistance and adverse effects. Ergo, complementary, and integrative medicines ... -
The effect of nuts consumption on circulating oxidized low-density lipoproteins: A systematic review and meta-analysis of randomized controlled trials.
( Wiley , 2023 , Article Review)This systematic review and meta-analysis evaluated the effect of nuts in decreasing circulating levels of oxidized low-density lipoproteins (ox-LDL). A literature search was performed of major electronic databases ... -
Effect of octylphenol polyethylene oxide on the corrosion inhibition of steel in 0.5 M H2SO4
( Elsevier , 2004 , Article)A non-ionic surfactant, octylphenol polyethylene oxide (OPPEO), was evaluated as an inhibitor for corrosion of low-carbon steel in 0.5M H 2SO4. Potentiodynamic and potentiostatic methods and scanning electron microscopy ... -
Effect of Omega-3 Polyunsaturated Fatty Acids on Inflammatory Biomarkers in Chronic Obstructive Pulmonary Disease
( Qatar University Press , 2020 , Poster)Chronic obstructive pulmonary disease (COPD) is a chronic progressive inflammatory disease characterised by airflow limitation. Several pro-inflammatory markers are thought to be involved in the pathogenesis of COPD. ... -
Effect of operational parameters on distillate flux in direct contact membrane distillation (DCMD): Comparison between experimental and model predicted performance
( Elsevier B.V. , 2014 , Article)Membrane distillation (MD) is a thermally driven process where hydrophobic membranes are used to separate saline hot feed solution and cold stream of water and allow water to evaporate due to temperature difference. This ... -
Effect of Operational Parameters on the Behavior of Phosphorus and Sulfur in Aluminum Reduction
( John Wiley & Sons, Inc. , 2015 , Book chapter)
