Browsing Academic by Title
Now showing items 4688-4707 of 25460
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Controlling the biocorrosion of sulfate-reducing bacteria (SRB) on carbon steel using ZnO/chitosan nanocomposite as an eco-friendly biocide
( Elsevier Ltd , 2019 , Article)In this report, interlinked chitosan-ZnO nanocomposite at 10% ZnO (CZNC-10) is successfully used as green biocide for biofilm control and reduction of biocorrosion on carbon steel material. It was found that 250 g/mL CZNC-10 ... -
Controlling the Interfacial Charge Polarization of MOF-Derived 0D–2D vdW Architectures as a Unique Strategy for Bifunctional Oxygen Electrocatalysis
( American Chemical Society , 2022 , Article)The design of alternative earth-abundant van der Waals (vdW) nanoheterostructures for bifunctional oxygen evolution/reduction (OER/ORR) electrocatalysis is of paramount importance to fabricate energy-related devices. Herein, ... -
Controlling the sensing performance of rGO filled PVDF nanocomposite with the addition of secondary nanofillers
( Elsevier Ltd , 2018 , Article)This study reports the synthesis and characterization of polyvinylidene fluoride (PVDF) nanocomposites containing binary filler combination of reduced graphene oxide and titanium dioxide (TiO2) nanotubes. The PVDF nanocomposite ... -
Controlling the trajectory of a flexible ultrathin endoscope for fully automated bladder surveillance
( IEEE , 2014 , Article)During cystoscopy, the urologist manually steers a cyst scope inside a patient's bladder to visually inspect the inner surface. Cystoscopies are performed as part of surveillance for bladder cancer, making it the most ... -
Controversial debates about workforce nationalisation: Perspectives from the Qatari higher education industry
( Taylor and Francis Group , 2023 , Article)Workforce nationalisation in the Gulf Corporation Council (GCC) countries is a crucial challenge for their development plans. The current study explores controversial debates about workforce nationalisation to understand ... -
Controversy and Debate: Questionable utility of the relative risk in clinical research: Paper 1: A call for change to practice
( Elsevier , 2020 , Article)Background and Objectives In clinical trials, the relative risk or risk ratio (RR) is a mainstay of reporting of the effect magnitude for an intervention. The RR is the ratio of the probability of an outcome in an ... -
Convection In A Rotating Fluid Over A Sloping Bottom, With Application To The Arabian Gulf
( Qatar University , 1992 , Article)Convective motions over a sloping bottom driven by evaporation and freshening are investigated by integrating the complete momentum and mass conservation equations. The problem is posed as an initial value problem in a ... -
A convenient synthesis of Carbocyclic fused Thieno [2,3-b] Pyridines and Carbocyclic fused IH-Pyrazolo [3,4-b] Pyridines
( Qatar University , 2001 , Article)A synthesis of Carbocyclic fused thieno [2,3-b] pyridines and carbocyclic fused 1H- pyrazolo [3,4-b] pyridines utilizing car-bocyclic fused 2(lh)-pyridinethiones as starting components is described. The structures of the ... -
Conventional and Islamic Banks' Performance in the Gulf Cooperation Council Countries; Efficiency and Determinants
( Springer , 2019 , Article)This paper investigates the cost efficiency levels of the banking sectors of the Gulf Cooperation Council (GCC) countries for the period from 2001 to 2015 and provides a comparison of conventional and Islamic banks. We ... -
Conventional and Upcoming Sulfur-Cleaning Technologies for Petroleum Fuel: A Review
( Wiley-VCH Verlag , 2016 , Article Review)Environmental regulations on the quality of liquid fuels continue to create more requirements to produce a near-to-zero sulfur content. The hydrodesulfurization process has a high running cost and suffers from incomplete ... -
The ‘Conventions of The Arabs’ (Maʿhūd Al-ʿarab) As A Fundamental Principle of Tafsir
( Centre of Quranic Research (CQR), University of Malaya , 2022 , Article)This article aims to re-examine a rather neglected yet fundamental principle in the Islamic exegetical heritage, namely, ‘considering the conventions of the Arabs at the time of revelation of the Qurʾān’ - murāʿāt maʿhūd ... -
Convergence and divergence: the treatment of certain aspects of real property under the Civil Codes of Qatar and California
( Bloomsbury Qatar Foundation Journals , 2015 , Article)This paper compares and contrasts the treatment of certain aspects of real property under the civil codes of Qatar and California, two jurisdictions with very different histories and cultures but somewhat less different ... -
Convergence of RK-iterative process for generalized nonexpansive mappings in CAT(0) spaces
( World Scientific Publishing Co. Pte Ltd , 2019 , Article)In this paper, we introduce a new four-step iterative process and name it as RK-iterative process and prove some ?-convergence and strong convergence results using this process for generalized nonexpansive mappings in ... -
Convergence or Diversity in National Recruitment and Selection Practices:A Case Study of the State of Qatar
( North American Business Press , 2011 , Article)This paper examines the convergence and diversity in approaches to national HRM practices in Qatar. The sample of the study consists of 31 human resources managers working for different Qatari companies. Large companies ... -
Convergence theorems for nonself asymptotically nonexpansive mappings
( Elsevier B.V. , 2007 , Article)In this paper, we prove some strong and weak convergence theorems using a modified iterative process for nonself asymptotically nonexpansive mappings in a uniformly convex Banach space. This will improve and generalize the ... -
Convergent and construct validity and test–retest reliability of the Caen Chronotype Questionnaire in six languages
( Taylor and Francis Ltd , 2018 , Article)Chronotype questionnaires provide a simple and time-effective approach to assessing individual differences in circadian variations. Chronotype questionnaires traditionally focused on one dimension of chronotype, namely its ... -
Convergent and criterion-related validity of the short form of the International Physical Activity and the Incidental and Planned Physical Activity Questionnaires in people with multiple sclerosis
( IOS Press , 2021 , Article)BACKGROUND: Assessing physical activity (PA) in people with multiple sclerosis (PwMS) is essential to follow-up the recommended PA level. The International Physical Activity Questionnaire (IPAQ) and the Incidental and ... -
Conversion of a mixture of date palm wastes to mesoporous activated carbon for efficient dye adsorption
( Institute of Physics Publishing , 2023 , Article)In this study, we aimed to develop mixture activated carbon (MAC) from a mixture of date palm wastes (petiole, rachis and fiber) through hydrothermal carbonization and microwave-assisted H3PO4 activation and evaluate its ... -
CONVERSION OF FLARE GAS TO POWER USING SUPERCRITICAL CO2 POWER CYCLE – ENERGY, EXERGY, AND THERMOECONOMIC ANALYSES
(06-2 , Master Thesis)An increase in oil and gas production is associated with the increase in energy demand around the world. This increase in producing fuels is correlated with an increase in flaring process, which is a wasted energy unless ... -
Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Qatar is undergoing rapid economic growth fueled by its ambitious national vision 2030 which specifically aims to achieve sustainable development. To achieve the latter, durable and sustainable alternatives for municipal ...
