Browsing Research Units by Title
Now showing items 2038-2057 of 5832
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Evaluation of in vitro activity of ceftazidime/avibactam and ceftolozane/tazobactam against MDR Pseudomonas aeruginosa isolates from Qatar
( Oxford University Press , 2019 , Article)Objectives: To investigate the in vitro activity of ceftazidime/avibactam and ceftolozane/tazobactam against clinical isolates of MDR Pseudomonas aeruginosa from Qatar, as well as the mechanisms of resistance. Methods: ... -
Evaluation of Loss Functions for Segmentation of Corneal Nerves
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)Corneal confocal microscopy (CCM) has been advocated as a non-invasive technique for objective diagnosis of very early neuropathy in patients by scanning the corneal subbasal nerve plexus. The obtained images provide a ... -
Evaluation of Metal-Organic Framework MIL-89 Nanoparticles Toxicity on Embryonic Zebrafish Development
( Elsevier , 2022 , Article)Metal-Organic Framework MIL-89 nanoparticles garnered remarkable attention for their widespread use in technological applications. However, the impact of these nanomaterials on human and environmental health is still ... -
Evaluation of native microalgae from Tunisia using the pulse-amplitude-modulation measurement of chlorophyll fluorescence and a performance study in semi-continuous mode for biofuel production
( BioMed Central Ltd. , 2019 , Article)Background: Microalgae are attracting much attention as a promising feedstock for renewable energy production, while simultaneously providing environmental benefits. So far, comparison studies for microalgae selection for ... -
Evaluation of Nitrogen and Water Management Strategies to Optimize Yield in Open Field Cucumber (Cucumis sativus L.) Production
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Countries in arid climates, such as Qatar, require efficient water-saving strategies and nitrogen treatment for vegetable production. Vegetable importation constituted approximately USD 352 million of Qatar’s 2019 GDP; ... -
Evaluation of parameters controlling calcium recovery and CO2 uptake from desalination reject brine: An optimization approach
( Elsevier Ltd , 2022 , Article)A multistage process scheme for extracting valuable minerals from desalination reject brine while simultaneously sequestering CO2 has been proposed. As a part of the proposed scheme, simultaneous removal of calcium ions ... -
Evaluation of pesticide residues of organochlorine in vegetables and fruits in Qatar: statistical analysis
( Springer Verlag , 2016 , Article)The study aimed to examine the residues of organochlorines pesticides (OCPs) in vegetables and fruits in Qatar. A total of 127 samples was studied. Ninety percent of the imported samples recorded residues above the maximum ... -
Evaluation of Petrophysical Characteristics of Mishrif and Yamama Reservoirs, in Garraf Oil Field, Southern Iraq, Based on Well-Logging Interpretation
( College of science/ University of Baghdad , 2022 , Article)The Mishrif and Yamama Formation are the main reservoirs in the Garraf oilfield, Nasiriyah city, of the Euphrates Subzone, Mesopotamian Basin, Southern Iraq. The Garraf oilfield structural pattern corresponds with the ... -
Evaluation of photothermal conversion performance of shape-stabilized phase change materials using a heat flux evolution curve
( Elsevier , 2023 , Article)Phase change materials are promising alternatives for solar energy harvesting by photothermal conversion and thermal energy storage. In this work, a shape-stabilized phase change material (PCM) was prepared by hot-melt ... -
Evaluation of polymeric adsorbents via fixed-bed columns for emulsified oil removal from industrial wastewater
( Elsevier Ltd , 2022 , Article)Polymeric adsorbents (PAs) have been gaining increased attention for application in industrial wastewater (WW) treatment. However, most studies on evaluating PAs specifically for emulsified oil removal are currently limited ... -
Evaluation of pretreatment and membrane configuration for pressure-retarded osmosis application to produced water from the petroleum industry
( Elsevier , 2021 , Article)Pressure-retarded osmosis (PRO) is a promising membrane technology for harnessing the osmotic energy of saline solutions. PRO is typically considered with seawater/river water pairings however greater energy can be recovered ... -
Evaluation of processed sludge as a sustainable and efficient soil conditioner and organic fertiliser for Qatari soil
( Inderscience Publishers , 2022 , Article)Qatar is implementing the use of treated sludge as a sustainable resource in the green infrastructure. The study employed an experimental research design where five samples (two kilograms each) of pelletised sludge of both ... -
Evaluation of Roholtiella sp. Extract on Bell Pepper (Capsicum annuum L.) Yield and Quality in a Hydroponic Greenhouse System
( Frontiers Media , 2022 , Article)This study was carried out to investigate the impacts of cyanobacteria (Roholtiella sp.) high-value product extract (HVPE) and water resuspended biomass WRB treatments on bell pepper production using the hydroponic system ... -
Evaluation of Satellite Retrievals of Chlorophyll-a in the Arabian Gulf
( MDPI , 2017 , Article)The Arabian Gulf is a highly turbid, shallow sedimentary basin whose coastal areas have been classified as optically complex Case II waters (where ocean colour sensors have been proved to be unreliable). Yet, there is no ... -
Evaluation of the current state and perspective of wastewater treatment and reuse in Qatar
( Desalination Publications , 2017 , Article)In Qatar, many freshwater resources have already been depleted due to the overconsumption as a result of the population and economic growth. Moreover, due to the lack of sufficient sewage treatment infrastructure, Qatar ... -
EVALUATION OF THE EARLY OUTCOMES OF STAGED REPAIR FOR PRIMARY BILATERAL CLEFT LIP WITH OR WITHOUT CLEFT PALATE IN INFANTS
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)Background : Bilateral cleft lip surgery is challenging for the paediatric plastic surgeon. Different surgical techniques are described for bilateral cleft lip repair either in on stage or multiple stages.The main limitation ... -
Evaluation of the Influence of Eggshell (ES) Concentration on the Degradation Behavior of Mg–2.5Zn Biodegradable Alloy in Simulated Body Fluid
( American Chemical Society (ACS) , 2023 , Article)Currently, permanent vascular stents are fabricated using titanium and stainless steel implants that are nondegradable and offer high stability, but they have certain disadvantages. For example, the prolonged exposition ... -
Evaluation of the mindray CL900i CLIA HIV Ag/Ab combo assay for sensitive and specific HIV screening compared to established methods.
( Springer Nature , 2024 , Article)Architect-HIV Ag/Ab combo chemiluminescence assay is globally recognized for its sensitivity but has a notable false-positive rate. In this study, we aim to evaluate the performance of a new cost-effective screening ... -
Evaluation of the Pitting Corrosion of Modified Martensitic Stainless Steel in CO2 Environment Using Point Defect Model
( MDPI , 2022 , Article)Pitting corrosion is a significant concern for the broader application of stainless steel in modern industries in which metal and metal alloy are detached preferentially from susceptible parts on the surface, resulting in ... -
Evaluation of the Reaction Kinetics of Diethylenetriaminepentaacetic Acid Chelating Agent and a Converter with Barium Sulfate (Barite) Using a Rotating Disk Apparatus
( American Chemical Society , 2018 , Article)Barium sulfate (barite) is a major oil and gas field scale formed inside the production equipment as well as in the reservoir. During drilling of oil and gas wells, barite serves as a weighting material in different drilling ...
