Browsing Academic by Title
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Effect Of Cationic And Anionic Surfactants On Electrokinetic Potentials Of Cassiterite And Quartz In Presence Of Polyvalent Cations
( Qatar University , 1994 , Article)The effect of different polyvalent electrolytes (FeCl3, AICI3, LaCl3, CeCl3 and TI1CI4) on adsorption of different surfactants (primary amine hydrochloride, sodium oleate, sodium dodecyl sulfate and phenyl disodium ... -
Effect of cell-phone radiofrequency on angiogenesis and cell invasion in human head and neck cancer cells.
( Wiley , 2018 , Article)Today, the cell phone is the most widespread technology globally. However, the outcome of cell-phone radiofrequency on head and neck cancer progression has not yet been explored. The chorioallantoic membrane (CAM) and human ... -
Effect of cerium doping on the optical and photocatalytic properties of ZnO nanoflowers
( Indian Academy of Sciences , 2019 , Article)Photocatalytic performances of the synthesized cerium doped (Ce-doped) ZnO nanoflowers are reported in this work. A microwave-assisted sol–gel method is adopted for the synthesis of the nanomaterial and its structural and ... -
Effect of chain structure on the properties of Glass fibre/polyethylene composites
( Elsevier, Ltd , 2013 , Article)Three types of polyethylenes (low density: LDPE, medium density: MDPE, and high density: HDPE) were used to investigate the effect of chain branching on the dispersion and adhesion in Glass fibre reinforced polymer composites. ... -
The Effect of Change-Order Management Factors on Construction Project Success: A Structural Equation Modeling Approach
( American Society of Civil Engineers , 2022 , Article)Managing change order is a critical area of concern in the construction industry, owing to the resulting disputes, claims, productivity losses, delays, and cost repercussions. There have been various studies proposing both ... -
Effect of charge type and density of polyacrylamide on the electrokinetics behavior of flocculated bentonite suspensions
( AIChE , 2016 , Conference Paper)The study of electrokinetics behavior of clay suspensions is of fundamental importance in many industrial applications. This paper addresses the electrokinetics behavior of polyacrylamide (PAM)- bentonite suspensions. The ... -
Effect of chemical grafting on the surface structure of porous bentonite as a support in gas chromatography
( Qatar University , 1994 , Article)The effect of thermal and chemical treatments on the variation of specific surface area of porous bentonite as a support was studied. The surface area of bare bentonite thermally treated at 950°C and then washed with ... -
Effect of Chemicals on Compressive Strength of Plastic-Laterite Interlock Paving Blocks
( Qatar University Press , 2023 , Conference Paper)This research centres on the need to develop a simple but sustainable material for the utilization of the quantum of plastic wastes that litter our environment. The research uses waste plastics and laterite soil and converts ... -
The Effect of Citizenship status on Satisfaction with Healthcare Services: Implications for Policymaking in Qatar
(2015 , Presentation)Objectives Using data collected before the roll out of the Qatar National Health Insurance Scheme, this study explores the role of citizenship as a predictor of general satisfaction with healthcare services and its potential ... -
The effect of clopidogrel and aspirin on the severity of traumatic brain injury in a rat model
( Elsevier , 2022 , Article)Traumatic Brain Injury (TBI) is one of the leading causes of death and disability worldwide. Aspirin (ASA) and clopidogrel (CLOP) are antiplatelet agents that inhibit platelet aggregation. They are implicated in worsening ... -
Effect of CO2 adsorption on enhanced natural gas recovery and sequestration in carbonate reservoirs
( Elsevier B.V. , 2018 , Article)In this study, CO2 injection for the purpose of Enhanced Gas Recovery (EGR) and sequestration after primary recovery is investigated on Pink Desert limestone from Edwards Plateau formation in central-west Texas. In this ... -
Effect of CO2 content on the natural gas production from tight gas sandstone reservoirs
( Society of Petroleum Engineers (SPE) , 2017 , Conference Paper)The simulation of the gas flow in tight sandstone reservoir is a very complicated process. Several mechanisms contributed to the natural gas production in tight sandstone reservoirs. One of the main mechanisms is the gas ... -
Effect Of Cobra Naja Haje Venom On The Adrenal Activity In Rabbits
( Qatar University , 1989 , Article)Injection of rabbits with a sublethal dose (0.2mg/kg) of Naja haje venom induced an increase in serum cortisol, free cholesterol, glucose and potassium ions. A decrease in total cholesterol and sodium ions was observed ... -
Effect of codeposition of mixed nanoparticles (V2O5 and ZrO2) on the structure and properties of Ni-B nanocomposite coating
( Elsevier Ltd , 2018 , Article)In the present research, Ni-B-V2O5/ZrO2 hybrid composite coating is prepared from an aqueous electrolyte using direct current. The properties of the hybrid composite is compared to that of the Ni-B coating in order to ... -
Effect of cold and hot compactions on corrosion behavior of p- and n-type bismuth telluride-based alloys developed through microwave sintering process
( Elsevier , 2023 , Article)Bismuth Telluride (BiTe) based p-type and n-type alloys exhibit superior thermoelectric (TE) performance covering energy requirements for specialized and home utilization. The main challenge nowadays is the sustainability ... -
EFFECT OF COMPATIBILIZER ON MECHANICAL AND PHYSICAL PROPERTIES OF GREEN COMPOSITES BASED ON HIGH DENSITY POLYETHYLENE AND DATE PALM FIBER
( DEStech Publications , 2013 , Conference Paper)Date palm leaves and wood are common wastes in the middle east. These natural fibers can be used as additives for polymers to develop new desired properties; they also have important economic and environmental advantages. ... -
Effect of composite intramedullary nails (IM) on healing of long bone fractures by means of reamed and unreamed methods
( Elsevier Ltd , 2017 , Article)Complications are common during bone fracture healing owing to incompatibility of the implants. Flexible fibrous composite materials are promising materials that offer excellent biomechanical compatibility. Flexible composite ... -
Effect of concentration of calcium and sulfate ions on gypsum scaling of reverse osmosis membrane, mechanistic study
( Elsevier Editora Ltda , 2020 , Article)In seawater reverse osmosis, membrane scaling is one of the major issues affecting its widespread application in the desalination industry. In this paper, the effect of concentration of calcium and sulfate ions from 20 to ... -
Effect of concentration of DOC loaded TiO 2 nanotubes on the corrosion behavior of smart coatings
( Elsevier Ltd , 2019 , Article)The present work focuses on synthesis and characterization of novel polymeric based smart coatings containing various amount of titania nanotubes (TiO2) encapsulated with dodecylamine (DOC). The novelty of the current ... -
Effect of concentration of TiC on the properties of pulse electrodeposited Ni-P-TiC nanocomposite coatings
( Elsevier Ltd , 2021 , Article)Ni-P/TiC nanocomposite coatings, including different concentrations of TiC nanoparticles (TCNPs) were developed on HSLA (high strength low alloy steel) substrates through the pulse electrodeposition (PED) process. The ...