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801
Experimental study on effective placement of PCM packets in cooling vest to improve performance in warm environment
Published 2017“…The used PCM melting temperature is 28 °C with a coverage area of 642 cm2 and total weight of the vest of 1.19 kg including 8 PCM packets (87.5 grams each). …”
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802
Nanoclay compatibilization of phase separated polysulfone/polyimide films for oxygen barrier
Published 2017“…Thermal decomposition (TGA) measurements of PSF/PI films showed a decrease in thermal stability upon adding C30B due to its surfactant modification, while film mechanical tensile modulus properties improved slightly by adding low concentration of C30B (~ 1 mass%), but higher nanoclay loading decreased tensile strength and elongation at break. …”
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803
Co2 Removal Using Imidazolium-Based Ionic Liquid -Aspen Plus Modelling Study
Published 2023“…Additionally, a flow rate of 20,000 kg/h for the ionic liquid is optimized for the highest purity values of CO2 and CH4, and the total annualized cost for the process is 2.1 million dollars with operating expenses of 1.8 million dollars for a 20-year of plant life with a plant capacity of 4000 kg/h (0.035 Mt/year). …”
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804
The Impact of Multiple Autoclave Cycles on the Surface Roughness of Thermally Treated Nickel-Titanium Endodontic Files
Published 2022“…., 20 TN, 20 ETP, and 20 PTG files), and each group was divided into four equal subgroups of five files (n = 5). An unsterilized group was assigned as the pre-autoclaving group (Cycle 0), and the other three groups underwent various autoclave sterilization cycles (Cycles 1, 5, and 10). …”
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805
Barriers and Motivators of Appropriate Antibiotic Prescription at PHCC in Qatar: Perspective of Physicians and Pharmacists
Published 2020“…Two different interview guides were constructed; one for physicians and one for pharmacists. In-depth, face-to-face, five focus groups were conducted and transcribed verbatim. …”
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806
Barriers and motivators of appropriate antibiotic prescription at PHCC in Qatar: perspective of physicians and pharmacists
Published 2020“…Two different interview guides were constructed; one for physicians and one for pharmacists. In-depth, face-to-face, five focus groups were conducted and transcribed verbatim. …”
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807
Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate
Published 2020“…Sunlight-driven water-energy nexus technologies are receiving increasing attention. This study presents a hybrid electrochemical system that catalyzes the oxidation of As(III) to As(V) with a nanoparticulate TiO2 electrocatalyst (Ti/Ir1-xTaxOy/TiO2; denoted as an n-TEC) while simultaneously converting CO2 to formate on a Bi electrode in aqueous bicarbonate solutions at circum-neutral pH. …”
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808
Utilization of Emergency Services by Children with Asthma in Qatar
Published 2022“…Background: Asthma is a leading chronic disease in children worldwide, which if left untreated or poorly controlled, can lead to altered lung function and poor quality of life. 1 Early detection and improved control of asthma are recommended to decrease utilization of emergency services and hospitalizations. …”
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809
Bone benefits of fish oil supplementation depend on its EPA and DHA content
Published 2019“…The preventive effect of high-dose (9%) regular-fish oil (FO) against bone loss during aging has been demonstrated, but the effects of a low-dose (1%–4%) of a highly purified concentrated FO (CFO) has not been elucidated. …”
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810
Gas Driven Fracture during Gas Production using HeleShaw Cell
Published 2018“…The production of Methane from hydratebearing sediments requires hydrate dissociation for releasing mobile methane gas in sediments prior to gas production operation. Existence of even a small fraction of fines can greatly decrease the permeability of sandy sediments, which will affect the gas recovery process. …”
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811
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
Published 2022“…The study reveals significant decreasing trends in annual mean wind speeds, of the order of −2.0 to −2.5 cm·s−1·year−1, for the period 1979–2019. …”
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812
Symbiotic dinoflagellates associated with corals in Qatar: characterization and physiological response to environmental change
Published 2017“…Coral bleaching events witnessed during the last decades in the Arabian Gulf are believed to be the result of the effect of heat events occurring more frequently in the region as a result of the global ocean warming. When corals are under thermal stress, their symbiotic zooxanthellae are affected, and their photosynthetic activity decreases until the stress disappears or until the zooxanthellae are expelled from the coral. …”
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813
Effect of serum lipoproteins on stereoselective halofantrine metabolism by rat hepatocytes
Published 2012“…Experimental hyperlipidemia has shown to decrease cytochrome P450 3A4 and 2C11 expression and to increase liver concentrations and the plasma protein binding of halofantrine (HF) enantiomers. …”
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814
Pilot-scale spiral wound membrane assessment for THM precursor rejection from upland waters
Published 2016“…The dissolved organic carbon (DOC) passage decreased with decreasing molecular weight cut-off, with a less than one-third the passage recorded for the NF membranes than for the UF ones. …”
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815
Pilot-scale spiral wound membrane assessment for THM precursor rejection from upland waters
Published 2016“…The dissolved organic carbon (DOC) passage decreased with decreasing molecular weight cut-off, with a less than one-third the passage recorded for the NF membranes than for the UF ones. …”
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816
Vegetation Changes in the Long Abandoned Farms in Qatar
Published 1984“…It was found out that following total farm abandonment, the vegetation communities start to recover in a rather slow process. This recovery process is caused and at the same time paralleled by a steady decrease in soil salinity, as salts are washed away by rain water. …”
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817
Changes in the burden and underlying causes of heart failure in the Eastern Mediterranean Region, 1990–2019: an analysis of the Global Burden of Disease Study 2019
Published 2023“…FindingsIn contrast with the decreasing trend of HF burden globally, EMR showed an increasing trend. …”
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818
Concentrated solar power driven water splitting cycle using Zn-ferrite based thermochemical redox reactions
Published 2019“…It is understood that the decrease in the PO2 and increase in the TH directly results into higher levels of O2 release i.e. higher ? …”
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819
Optimal Energy Dispatch Engine for PV-DG-ESS Hybrid Power Plants Considering Battery Degradation and Carbon Emissions
Published 2023“…The test results revealed a 9.2% and 3.5% decrease in daily costs compared to the heuristic and stochastic methods, respectively, and a 29.4% decrease in carbon emission costs.…”
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820
Impact of Genetic Polymorphisms on Phenytoin Pharmacokinetics and Clinical Outcomes in the Middle East and North Africa Region
Published 2017“…Results Five studies met the inclusion criteria. CYP2C9, CYP2C19, and multidrug resistance protein 1 C3435T variants were evaluated. …”
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