Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar حسب Khaled, Salma M.

"…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …"
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Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles حسب Elmobarak W.F.

"…The as-synthetized Fe-MNP achieved a %ηdem ≥ 98% for Coil in the range of 200–660 mg/L. …"
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Phase change materials based on high-density polyethylene filled with microencapsulated paraffin wax حسب Krupa, Igor

"…The selected characteristic temperatures of degradation decreased by more than 200 °C compared with the related temperatures for neat high-density polyethylene. …"
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Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface حسب Filip, Jaroslav

"…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …"
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Flight Scheduling in the Airspace حسب Msakni, Mohamed Kais

"…This includes small (80 to 120 flights), medium (200 to 220 flights), and large (400 to 420 flights) instances. …"
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Foamed phase change materials based on recycled polyethylene/paraffin wax blends حسب Sobolčiak, Patrik

"…Differential Scanning Calorimetry was used to determine the specific enthalpies of melting (22.4–25.1 J/g) what is the latent heat of materials utilized during a heat absorption. A stability of samples during 10 heating/cooling cycles was demonstrated. …"
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Influenza prevalence and vaccine efficacy among diabetic patients in Qatar حسب Swapna, Thomas

"…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …"
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Influenza prevalence and vaccine efficacy among diabetic patients in Qatar حسب Swapna, Thomas

"…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …"
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Association Between Sleep Duration, Food Consumption Patterns and Obesity Among Adolescents in Qatar حسب Mohammed, Sara

"…Multiple regression analysis revealed that as the WC and BMI increased, consumption of healthy eating pattern decreased by 25% and 10 % respectively (p<0.001) Conclusion: Lack of sufficient sleep and decreased consumption of healthy foods have an association with increased risk of being obese among adolescents…"
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Effect Of Temperature On Hyalomma (Hyalomma) Impeltatum Schulze And Schlottke (Ixodoidea: Ixodidae) حسب Khalil, Galila M. [جليلة مصطفى خليل]

"…Also, the percentage loss in weight by larvae before feeding and during molting and by nymphs and females before feeding was not affected by temperature but nymphal loss in weight during molting was greater at 34°C than at 21-29"C. Fifty percent of the egg masses were deposited within 7.9, 6.8, 4.6 and 4.2 days, and 90% within 20.0, 18.0, 11.6 and 9.3 days at the tested temperatures, respectively. …"
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Fabrication and Investigation of Graphite-Flake-Composite-Based Non-Invasive Flex Multi-Functional Force, Acceleration, and Thermal Sensor حسب Fatima, Noshin

"…Sensor impedance was measured from DC to 200 kHz at up to 20 gf, 20 m/s2, and 26–60 °C. Sensor resistance and impedance to stretching force and acceleration at DC and 200 Hz rose 2.4- and 2.6-fold and 2.01- and 2.06-fold, respectively. …"
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The Optical and Electrical Properties of Low Density Polyethylene Films in CuSo4 Solution حسب Al Naimi, Sabah M. [صباح النعيمي]

"…The data of a.c. conductivity were analyzed. to obtain the d.c. conductivity (o'6") and the optical dielectric constant (e'-). …"
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Synthesis and electrochemical properties of nickel oxide/carbon nanofiber composites حسب Al-Enizi, Abdullah M.

"…These electrospun fibers were stabilized for 2 h at 200 °C and then carbonized at 800 °C for 5 h. Composites were prepared by depositing Ni(OH)2 on the carbon nanofibers (CNFs) and calcining them at different temperatures. …"
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Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst حسب Ashok, Anchu

"…Ethanol decomposition over bimetallic CuCo were conducted using in situ diffuse reflectance infrared fourier transform spectroscopy (DRIFT) study under N2 flow at different temperatures (50, 100, 200, 300, 400°C). Temperature-time profile of CuCo shows an increase in combustion temperature with increase in fuel ratio with maximum temperature at φ = 1 (stoichiometric ratio) and after that it decreases. …"
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Facile Electrochemical Synthesis of Highly Efficient Copper-Cobalt Oxide Nanostructures for Oxygen Evolution Reactions حسب Nath, Narayan Chandra Deb

"…An optimized nanopetal structure of CuxCo3-xO4 (x = 0.95, annealed at 200 °C) shows a considerably high Faradaic efficiency (∼93%) with a remarkably low overpotential (∼230 mV) at a benchmark current density (J) of 10 mA cm-2; at the same J in an alkaline solution (1 M KOH) for OER, it also exhibits high durability (up to 100 h). …"
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Effect of zirconia nanotube coating on the hydrophilicity and mechanochemical behavior of zirconium for biomedical applications حسب Nezhad, Erfan Zal

"…Biocompatibility tests revealed that cell attachment to the surface of the ZrO2 NTs decreased due to the presence of F−; however, the cell viability increased after the ZrO2 NT-coated samples were annealed at 200 and 400 °C.…"
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Enhancing effect of chia seeds on heterocyclic amine generation in meatball حسب Elbir, Zeynep

"…The impact of using chia seeds at different rates (0%, 0.5%, 1%, and 1.5%) in meatball on the water content, pH and lipid oxidation (thiobarbituric acid reactive substances, TBARS), cooking loss and heterocyclic aromatic amines (HAAs) content of meatballs cooked at 150, 200, and 250 °C was investigated. The chia seed significantly affected water content (P < 0.01), cooking loss (P < 0.05), pH (P < 0.05) and total HAAs content (P < 0.01), whereas no significant impact (P > 0.05) was detected on TBARS value. …"
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Effect of reinforcement concentration on the properties of hot extruded Al-Al2O3 composites synthesized through microwave sintering process حسب Reddya, M. Penchal

"…In particular, the extruded Al-15vol%Al2O3 composite exhibited superior tensile strength at higher temperatures (~128 3 MPa at 100C and 110 4 MPa at 200 C) when compared to Al matrix. …"
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Visitors off the trail: Impacts on the dominant plant, bryophyte and lichen species in alpine heath vegetation in sub-arctic Sweden حسب Monika, Rawat

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Visitors off the trail: Impacts on the dominant plant, bryophyte and lichen species in alpine heath vegetation in sub-arctic Sweden حسب Monika, Rawat

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