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السجلات المعروضة 8394 -- 8413 من 48435
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EFFECT OF PHENOL AS A CONTAMINANT ON THE WILD PEARL OYSTER PINCTADA IMBRICATA RADIATA IN QATAR: ECOTOXICOLOGICAL APPROACH AND USE OF OYSTER SHELL STRUCTURE AS A POTENTIAL MITIGATION TOOL FOR PHENOLS REMOVAL FROM WATER
(06-2 , Master Thesis)Phenol removal is a vital environmental concern due to its toxicity and hazard effects. The current study investigates the removal of phenol by Pearl oyster Pinctada imbricata radiata for the first time in this region. The ... -
Effect of phosphorus on controlling and enhancing electrocatalytic performance of Ni–P–TiO2–MnO2 coatings
( Elsevier B.V. , 2018 , Article)Electroless Ni–P coatings have received profound interests in recent years for electrocatalytic Hydrogen Evolution Reaction (HER). Their performance can be significantly enhanced by incorporating metal oxides and tuning ... -
The effect of physical exercise on anxiety in people with parkinson's disease: A systematic review of randomized control trials
( IOS Press , 2023 , Article)BACKGROUND: Anxiety is a prominent disabling non-motor neuropsychiatric complication of Parkinson's disease (PD). Pharmacological treatments for PD and anxiety have drug interactions and negative side effects. Therefore, ... -
Effect of piezocision-assisted lower second molar protraction on periodontal tissues, alveolar bone height, and lower second molar root resorption.
( AllenPress , 2023 , Article)To assess the effect of piezocision on periodontal tissues and alveolar bone height and to detect lower second molar root resorption in piezocision-assisted mandibular second molar protraction compared to no-piezocision ... -
Effect of plain strain deformation on grain strengthening mechanism of Fe-Al2O3 metal matrix nanocomposites
( SAGE Publications Ltd , 2021 , Article)The present paper reports the effect of plain strain deformation on grain strengthening mechanism of iron (Fe) - alumina (Al2O3) Metal Matrix Nanocomposites (MMNCs) fabricated through powder metallurgical (P/M) processing. ... -
Effect of Plant Growth Regulators on Callus Induction from Leaf and Petiole explants of Hummeid (Rumex Vesicarius)
( Qatar University Press , 2021 , Poster)Advancement in plant cell culture technology has permitted the increasing interest in harvesting plant metabolites from cell cultures. This technique is based on in vitro propagation of plant callus which contains many ... -
Effect of plasma treatment on accelerated pla degradation
( BME-PT and GTE , 2021 , Article)Poly(lactic acid) (PLA) has been found to be important in various applications, such as in the medical, pharma-ceutical, and packaging industries. However, the long-term associated degradation process of PLA is a limiting ... -
Effect of plasma treatment on accelerated pla degradation
( BME-PT and GTE , 2021 , Article)Poly(lactic acid) (PLA) has been found to be important in various applications, such as in the medical, pharma-ceutical, and packaging industries. However, the long-term associated degradation process of PLA is a limiting ... -
Effect of plastic deformation on Corrosion of cadmium in 0.1 m sodium Sulphate solution
( Qatar University , 1993 , Article)The present investigation was carried out to study the influence of prior plastic deformation and surface finish on the corrosion behaviour of pure cadmium in 0.1 M Na2SC>4 solution at 25° C. Cylindrical specimens were ... -
The effect of political risk and corporate governance on bank stability in the MENA region: Did the Arab Spring uprisings matter?
( Cogent OA , 2023 , Article)This study examines the impact of political risk and corporate governance mechanisms (CGM) on bank stability. The research problem was addressed using a sample of 954 bank-year observations from 14 Middle East and North ... -
Effect of poly ethylene glycol (PEG) on structural, thermal and photoluminescence properties of CdO nanoparticles for optoelectronic applications
( Elsevier Ltd , 2019 , Conference Paper)Current study deals with capped/uncapped Cadmium Oxide Nanoparticles (CdO NPs) synthesized by chemical precipitation technique. Structural, morphological, thermal and optical properties of these samples were investigated ... -
Effect of poly(ε-caprolactone) and titanium (IV) dioxide content on the UV and hydrolytic degradation of poly(lactic acid)/poly(ε-caprolactone) blends
( John Wiley and Sons Inc , 2021 , Article)The effect of accelerated weathering degradation on the properties of poly(lactic acid) (PLA)/poly(ε-caprolactone) (PCL) blends and PLA/PCL/titanium (IV) dioxide (TiO2) nanocomposites are presented in this paper. The results ... -
Effect of polymaleic acid and microwave radiations on reverse osmosis membrane's performance and properties: A response surface methodology approach
( Elsevier , 2023 , Article)Polymaleic acid was tested for its ability to control inorganic fouling in reverse osmosis (RO) system for the first time as a membrane surface modifier. Using the design of experiments (DoE) based on the response surface ... -
Effect of post-activation potentiation induced by one, two or three half-squats on repeated sprint acceleration performance
( CIC Edizioni Internazionali s.r.l. , 2018 , Article)Introduction: The aim of this study was to analyze the effect of different post-activation potentiation (PAP) protocols on initial-acceleration (0-10 m) and late-acceleration phases (10 to 30 m) within a repeated sprint ... -
The effect of post-lunch napping on mood, reaction time, and antioxidant defense during repeated sprint exercice
( Institute of Sport , 2021 , Article)To compare the effects of two nap opportunities (20 and 90 min) to countermeasure the transient naturally occurring increased sleepiness and decreased performances during the post-lunch dip (PLD). Fourteen highly trained ... -
The effect of pre-emptive ibuprofen on post-operative pain after removal of lower third molar teeth: a systematic review
( Springer Nature , 2022 , Article Review)Objective To investigate the effect of pre-emptive ibuprofen on post-operative pain after lower third molar surgery. Methods A search for randomised controlled trials was undertaken across the databases Medline, Embase, ... -
Effect of pre-operative education on post-operative pain management among adult patients undergoing elective surgery: An integrative review
( Australian College of Perioperative Nurses , 2023 , Article)Introduction: Adequate pain control for surgical patients is an important aspect of their post-operative care. To manage pain, health care professionals use pharmacological and non-pharmacological strategies. A significant ... -
Effect of preparation method on the properties of poly(methyl methacrylate)/mesoporous silica composites
( Springer Nature , 2019 , Article)The preparation method of a polymer composite and the filler loading are amongst the factors that influence the properties of the final composites. This article studies the effect of these factors on the thermal stability ... -
Effect of prepregnancy maternal BMI on adverse pregnancy and neonatal outcomes: results from a retrospective cohort study of a multiethnic population in Qatar.
( BMJ Publishing Group , 2019 , Article)Given the small number of studies on the topic, we aimed to identify the impact of prepregnancy maternal body mass index (BMI) on adverse pregnancy outcomes (POs) in a low-risk, multiethnic population, and to calculate ... -
Effect Of Production Induced Stresses On Reservoir Productivity
( Qatar University , 2001 , Article)The importance of permeability sensitivity to the changes in pore pressure drop or effective overburden stress increase has been examined at laboratory using two types of rocks, sandstone and limestone. Whereas the ...
