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Now showing items 7365-7384 of 53319
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Designing a quick fix shutter for auto-disinfecting scan glass surface in biometric scanners
( Qatar University Press , 2020 , Poster)Fingerprint scanners are significant devices in professional life, and its contamination can be potential sources of COVID 19 transmission. Manual disinfection of the fingerprint scanner after every single use is time ... -
Designing a reference architecture for health information systems
( BioMed Central Ltd , 2021 , Article)Background: Healthcare relies on health information systems (HISs) to support the care and receive reimbursement for the care provided. Healthcare providers experience many problems with their HISs due to improper architecture ... -
Designing Air Intake Ducts for High Speed Flight
( Qatar University , 1988 , Article)A proven duct flow model is used to examine the influence of the intake duct geometric and inlet flow parameters on the pressure recovery performance of intake ducts for high speed flight. The geometric parameters include: ... -
Designing an Educational Multimedia System for Supporting Learning Difficulties in Arabic
( Springer Verlag , 2019 , Conference Paper)Nowadays, schools are highly encouraged to use information technology in unconventional manners and also be creative in combining the use of various tools, while maintaining high standards. In spite of the latent advantage ... -
Designing and performance evaluation of polyelectrolyte multilayered composite smart coatings
( Elsevier B.V. , 2019 , Article)This work reports the synthesis of polyelectrolyte microcapsules and its effect on the anti-corrosion performance of polymeric coating applied on steel substrates. In situ polymerization technique was used for the synthesis ... -
Designing carbon nanotube-based oil absorbing membranes from gamma irradiated and electrospun polystyrene nanocomposites
( MDPI AG , 2019 , Article)Carbon-based materials are outstanding candidates for oil spill clean-ups due to their superhydrophobicity, high surface area, chemical inertness, low density, recyclability, and selectivity. The current work deals with ... -
Designing Decision Support Systems for Humanitarian Organisations
( John Wiley & Sons, Inc. , 2015 , Book chapter)The first step to ensure the success of applications in a specific field consists in producing a complete and representative model of the studied system. This alignment with reality is not easy to achieve though. This is ... -
Designing dual phase sensing materials from polyaniline filled styrene-isoprene-styrene composites
( Elsevier Ltd , 2014 , Article)The demand for developing oil detectors is ever increasing since the cleanup and recovery from oil spill usually take long time. Here we propose oil sensors made of polyaniline (PANI) filled poly(styrene-isoprene-styrene) ... -
Designing Entrustable Professional Activities for Treatment Planning of Oral Cancer by Maxillofacial Surgery Residents: A Modified Delphi Study.
( Wiley , 2024 , Article)The aim of this study was to develop a competency framework based on entrustable professional activities (EPAs) in oral cancer management by postgraduate trainees in oral and maxillofacial surgery through expert consensus. ... -
Designing evaluation framework for the empirical assessment of COVID-19 mobile apps in Pakistan
( Elsevier , 2022 , Article)The significant proliferation in the mobile health applications (Apps) amidst Coronaviruses disease 2019 (COVID-19) resulted in decision making problems for healthcare professionals, decision makers and mobile users in ... -
Designing Flexible and Porous Fibrous Membranes for Oil Water Separation-A Review of Recent Developments
( Bellwether Publishing, Ltd. , 2020 , Article Review)Oil sorbent membranes are highly effective materials in combating oil spills. Recent technological advancements in membrane preparations permit higher oil-sorption efficiency and easier oil recoverability. This review ... -
Designing Flexible and Porous Polystyrene/Silver Doped Zinc Oxide Nanocomposite Fiber Sorbents for Oil/Water Separation
(2020 , Master Thesis)The aim of this work is to fabricate hydrophobic porous nanocomposite with enhanced oil adsorption capacity and multifunctional features including antibacterial and photocatalytic effect. Zinc oxide (ZnO) and silver doped ... -
Designing for food security in a dryland metropolis: Investigating productive landscapes in Doha
( International Society for Horticultural Science , 2016 , Article)This paper address the questions of Food Security in Qatar, and looks at how the disciplines of design can participate in creating "productive landscapes" that contribute to Qatar s food needs. Qatar is an arid country ... -
Designing high-resolution time–frequency and time–scale distributions for the analysis and classification of non-stationary signals: a tutorial review with a comparison of features performance
( Elsevier Inc. , 2018 , Article)This paper deals with the problem of extracting information from non-stationary signals in the form of features that can be used for effective decision-making in both data analysis and machine learning for automatic ... -
Designing ionic liquid solvents for carbon capture using property-based visual approach
( Springer Verlag , 2016 , Article)Recently, ionic liquids (ILs) have been introduced as potential carbon dioxide (CO2)-capturing solvents, as a substitute to conventional amine-based solvents. Conventional amine-based solvents that are used for CO2 capture ... -
Designing of polyethylene-based material modified by plasma discharge for water/oil separation
(2021 , Master Thesis)Produced water (PW) from petrochemical industries is one of the largest wastewaters generated in Qatar. Soluble and insoluble oil contaminants occur in this water and must be removed if water will be used or discharged ... -
Designing piezoelectric nanogenerator from PVDFHFP nanocomposite fibers containing cellulose nanocrystals and Fedoped ZnO
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Self-powering devices harvest energy from the environment and perform based on a maintenance free approach. These materials are of utmost significance as they solve the problems associated with the energy crisis and ... -
Desorption of chloramphenicol from ordered mesoporous carbon-alginate beads: Effects of operating parameters, and isotherm, kinetics, and regeneration studies
( Elsevier Ltd , 2021 , Article)This study has investigated the desorption of an emerging contaminant, known as chloramphenicol (CPC), from ordered mesoporous carbon (OMC)-alginate beads. The effects of initial concentration, operating temperature, and ... -
Destabilization and treatment of produced water-oil emulsions using anionic polyacrylamide with electrolyate of aluminum sulphate and ferrous sulphate
( Society of Petroleum Engineers , 2016 , Conference Paper)Surfactant and polymer flooding technology can greatly enhance the oil recovery through the expansion of sweeping and displacing efficiency. The recovered oil from surfactant and polymer flooding emulsifies the residual ... -
Destabilization of stable bentonite colloidal suspension using choline chloride based deep eutectic solvent: Optimization study
( Elsevier Ltd , 2021 , Article)Choline chloride (ChCl) based natural deep eutectic solvents (NADES) were synthesized and tested as coagulant for stable bentonite colloidal suspensions. In this work, three ChCl based natural deep eutectic solvent NADES ...