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Now showing items 8175-8194 of 48073
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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 ... -
Effect of copper-nickel interlayer thickness on laser welding-brazing of Mg/Ti alloy
( Elsevier Ltd , 2019 , Article)Dissimilar lap joining of AZ31B Mg alloy to Cu-Ni coated Ti-6Al-4V was carried out by laser welding-brazing method. The effect of Cu and Ni contents on interfacial reaction and joint fracture load were analyzed. For the ... -
Effect of corona treatment on adhesion enhancement of LLDPE
( Elsevier B.V. , 2018 , Article)Polymers/metal laminates are often used to improve physical and mechanical properties, especially those required in building applications. A flat aluminum composite panel (ACP) consisted mainly of two thin metal sheets ... -
Effect of coronavirus-19 restrictions in male handball players: Physical activity, sedentary behavior, and satisfaction with life
( MDPI , 2021 , Article)This experiment examined physical activity (PA), sitting time, and satisfaction with life (SL) in European (45%) and Middle Eastern and North African (MENA; 55%) handball players (n = 418; age: 25.6 ± 6.8 years; body mass: ... -
The effect of corporate branding dimensions on consumers' product evaluation: A cross-cultural analysis
( Emerald Group Publishing Limited , 2006 , Article)Purpose - The paper aims to investigate both Western and Eastern corporate branding thoughts and examine the interrelation among four corporate branding dimensions (i.e. corporate name, image, reputation and loyalty) and ... -
THE EFFECT OF CORPORATE SOCIAL RESPONSIBILITY ON FINANCIAL PERFORMANCE OF QATARI BANKS
(2018 , Professional Masters Project)Recently, Qatar has witnessed a wide growth and expansion in all fields. International companies are working on having a branch in Qatar due to being the fastest developing country in GCC region. This fact has increased ... -
Effect of corrosion damage on the flexural performance of RC beams strengthened with FRCM composites
( Elsevier Ltd , 2017 , Article)This paper reports on the flexural behavior of corrosion-damaged reinforced concrete (RC) beams strengthened with different fabric-reinforced cementitious matrix (FRCM) composites. Three groups of beams were subjected to ... -
Effect of corrosion on mechanical properties of the joining of materials
( Universiti Malaysia Pahang , 2020 , Article)The effect of corrosion behavior in critical environmental conditions on the mechanical properties of composite/metal materials joints was investigated by immersing metalic materials into 5wt% hydrochloric acid solutions. ... -
Effect of crushable blockouts on a full-scale guardrail system
( Taylor and Francis Ltd. , 2017 , Article)Since the performance of the guardrail system depends in part on the compatibility of vehicle-to-roadside hardware, it is important to improve the interaction of the vehicle with the guardrail system by adding more compliance ... -
Effect of Cuff Design on Auscultatory and Oscillometric Blood Pressure Measurements
( Oxford University Press , 2016 , Article)Two-piece blood pressure (BP) cuffs are the historical cuff standard. Use of 1-piece cuffs is increasing. Substituting 1-piece for 2-piece cuffs has an unknown effect on measurement accuracy. We compared these cuff ... -
Effect of cultivation parameters and heat management on the algae species growth conditions and biomass production in a continuous feedstock photobioreactor
( Elsevier Ltd , 2020 , Article)The sunshine heat flux is having an essential impact on the photobioreactor system temperature. However, optimal algae growth rates have gained if the algal growth media temperature located between 25 and 30 °C, for most ... -
Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis
( Qatar University , 1996 , Article)It was proposed to find out the optimum environmental conditions and nutritional requirements for highest growth regulating substance and enzyme production by Streptomyces olivaceoviridis. The optimum oc-amylase and ... -
The Effect of Curcumin on Inflammation and Oxidative Stress Post Traumatic Brain Injury- A Systematic Review and Meta-Analysis
(2024 , Master Thesis)Traumatic Brain Injury (TBI) stands as a significant cause of mortality and impairment among young individuals. Its sophisticated pathophysiology intensifies this burden. Curcumin, a potent anti-inflammatory, and antioxidant ... -
Effect of Curing on the Deterioration of RC Structures in the Arabian Gulf
(2020 , Master Thesis)The deterioration of concrete in the Arabian Gulf is responsible for reduced service life of reinforced concrete structures. The reasons for degradation are attributed to the harsh environmental conditions and the ... -
Effect of current harmonic injection on constant rotor volume multiphase induction machine stators: A comparative study
( IEEE , 2012 , Article)Although torque enhancement in multiphase induction machines using harmonic current injection has been addressed in the literature, a detailed assessment of the effect of this enhancement on the design parameters of ... -
The Effect of Cutting Height on Forage Yield and Performance of Alfalfa Cultivars
( Qatar University , 1999 , Article)Six exotic alfalfa (Medicago sativa L.) cultivars were evaluated for their forage yield performance and persistency under different cuttings heights during 1991/1992 in UAE. Cultivars revealed a highly significant difference ... -
Effect of CYP2C19 genetic variants on bleeding and major adverse cardiovascular events in a cohort of Arab patients undergoing percutaneous coronary intervention and stent implantation
( Lippincott Williams and Wilkins , 2022 , Article)Introduction One-third of patients have clopidogrel resistance that may lead to major adverse cardiac events (MACEs). By contrast, it was found that some clopidogrel-treated patients have hyperresponsive platelets that are ... -
Effect Of Daily Alcohol Injection Of Pregnant Rats On The Developing Embryos
( Qatar University , 1989 , Article)In the present investigation; three doses; 0.002 (group I), 0.004 (group II) and 0.006 (group III) ml/gm body weight of 25%ethanol were used. Continuous IP injection of alcohol from day 7 through day 15 caused a significant ... -
Effect of DC-Link Voltage Limitation on Postfault Steady-State Performance of Asymmetrical Six-Phase Induction Machines
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)The asymmetrical six-phase induction machine represents the most common multiphase machine type used in many high-power industrial applications. While a body of research covering control of the machine under fault conditions ...
