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.

"…Results The two-week prevalence of depressive symptoms (≥10 on the PHQ-9) was 6.6% in 2017 and 6.5% in 2020/2021 (p = 0.986). The two-week prevalence of anxiety symptoms (≥10 on the GAD-7) was 3.6% in 2018 and 5.1% in 2020/2021 (p = 0.062). …"
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Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends حسب Elkelawy, Medhat

"…Through performance tests, it was found that 15 ml of n-pentane per liter was the best addition as it caused an increase in the brake thermal efficiency of 7.1% and a decrease in brake specific fuel consumption of 6.4% compared to the elegant B50. …"
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The Role of Qatar Community Pharmacists in Depression care: A Survey of Attitudes, Practices and Perceived Barriers حسب Shami, Rula

"…Responses were measured on a 5-point-Likert scale. Study outcomes were scores of attitudes towards depression, scores of self-reported depression care practices and perceived barriers for depression care. …"
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Uncovering the Epigenetic Contribution of Protein Arginine Methyltransferase 5 (PRMT5) during Zebrafish Cardiomyogenesis حسب Zakaria, Zain Zaki

"…This was accompanied by a moderate decrease in blood flow (20%), significantly higher decrease in general cardiac output (65%), and reduction in red blood cells count (50%). …"
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The role of type II FB (I):Tl+ defect in laser light generation and color image formation at the low coordination surface sites of AgBr: Ab initio calculations حسب Shalabi, A.S.

"…The probability of orientational destruction of the two centers, attributed to the assumed saddle point ion configurations along the 〈1 1 0〉 axis, was found to decrease as the coordination number of the surface ions decreases. …"
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Alveolar bone changes following bi-maxillary vertical molars' movements using clear aligners حسب Al-Warafi, Leena Ali

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Limiting the Rise in Core Temperature During a Rugby Sevens Warm-up With an Ice Vest. حسب Taylor, Lee

"…Athletes in VEST had a lower ΔTc [mean (SD) VEST 1.3°C (0.1°C); CONTROL 2.0°C (0.2°C)] from pre-warm-up to post-warm-up [effect size (ES) ± 90% confidence limit; -1.54; ±0.62] and Tc peak [mean (SD) VEST 37.8°C (0.3°C); CONTROL 38.5°C (0.3°C)] at the end of the warm-up (-1.59; ±0.64) compared to CONTROL. …"
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Molecular and Structural Changes in Induced-Brain Stroke Tissue Using FTIR Imaging Spectroscopy, Scanning Electron and Atomic Force Microscopy حسب Ali, Mohamed H

"…In Fig. 5, there are spectral differences that assigned to ester and protein regions. …"
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Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy حسب Shawaqfah M.

"…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …"
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The Effect of Hyperoxia on Central and Peripheral Factors of Arm Flexor Muscles Fatigue Following Maximal Ergometer Rowing in Men حسب Volianitis, Stefanos

"…Methods: In 11 competitive male rowers (age, 30 ± 4 years), we measured near-infrared spectroscopy determined frontal lobe oxygenation (ScO2) and transcranial Doppler ultrasound determined middle cerebral artery mean flow velocity (MCA Vmean) combined with maximal voluntary force (MVC), peak resting twitch force (Ptw) and cortical voluntary activation (VATMS) of the elbow flexor muscles using electrical motor point and magnetic motor cortex stimulation, respectively, before, during, and immediately after 2,000 m all-out effort on rowing ergometer with normoxia and hyperoxia (30% O2). …"
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Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study حسب Omar, Abeer A.

"…Results: A total of 825 participants with mean age 29.2 years (5.9) of which 365 (44.2%) were males. …"
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The Impact of COVID-19 on the HIV Cascade of Care in Botswana – An Interrupted Time Series حسب Sehurutshi, Alice

"…In multivariable Poisson interrupted time series regression, the COVID-19 lockdown was associated with a 27% decrease in the monthly numbers of HIV tests (IRR 0.73, 95%CI 0.72–0.73), a 25% decrease in HIV positive tests (IRR 0.75, 95%CI 0.71–0.79), and a 43% reduction in ART initiations (IRR 0.57, 95%CI 0.55–0.60). …"
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The Effects of Statin Treatment on Serum Ferritin Levels: A Systematic Review and Meta-Analysis حسب Jamialahmadi, Tannaz

"…The effect size was determined using weighted mean differences (WMDs) and the corresponding 95% confidence intervals (CIs). …"
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Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds حسب Abdulla, Cheriyeri Poyil

"…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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Complex-impedance response of an Ag/TeO2-V2O5/Ag structure حسب El-Muraikhi, M.

"…The ac conductivity of glass samples of composition 50 mol% TeO2 and 50 mol% V2O5 has been analyzed. …"
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Caffeine use or napping to enhance repeated sprint performance after partial sleep deprivation: Why not both? حسب Romdhani, Mohamed

"…Purpose: To compare the effect of a 20-minute nap opportunity (N20), a moderate dose of caffeine (CAF; 5 mg·kg-1), or a moderate dose of caffeine before N20 (CAF+N) as possible countermeasures to the decreased performance and the partial sleep deprivation-induced muscle damage. …"
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Hypospadias Reconstruction Training: Development of an Ex-Vivo Model for Objective Evaluation of Surgical Skills حسب Abbas, Tariq

"…However, EMG measurements showed significant reductions in average EMG power, total time, dominant frequency, and cumulative muscle workload after training. Additionally, the mean power spectral density of the EMG signal decreased notably post-training. …"
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Experimental studies on the biodiesel production parameters optimization of sunflower and soybean oil mixture and DI engine combustion, performance, and emission analysis fueled wi... حسب Elkelawy M.

"…70% biodiesel) were prepared to power a single cylinder diesel engine. The engine results as compared to diesel fuel, show a reduction in the rate of change of CO by 33.8% for D50B50. …"
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Study of Magnetic Properties and Lattice Dynamics of the Cdx Co1-x Ferrite System by MossbauerEffect حسب Eissa, N. A. [نبيل عيسى]

"…The results showed also that the introduction of the Cd2"^ ions decreased the f-value and Debye temperature, while the mean square velocity of the "Fe nucleus was not affected greatly specially at low and normal temperatures. …"
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Urology Residents' Perspectives on the In-House On-Call Systems: A Study in an Accredited Academic Center حسب Khalil, Ibrahim A. and Ibrahim, Tarek and Aldeeb, Maya and Mohamed, Ahmed and Ben Salah, Rym and Aboumarzouk, Omar M. and Al-Naimi, Abdulla

"…Working hours: compliance and violations There was no significant difference in the mean weekly working hours (p = 0.1). However, the total number of duty hours violations decreased in the 12-hour on-call system. …"
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