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41
Analyzing the effectiveness of various coatings to mitigate photovoltaic modules soiling in desert climate
منشور في 2024"…The results indicate a decrease in light transmittance and an increase in surface coverage area over time due to dust accumulation. …"
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42
Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study
منشور في 2023"…</p><h3>Results</h3><p dir="ltr">A total of 825 participants with mean age 29.2 years (5.9) of which 365 (44.2%) were males. …"
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43
Using primary healthcare facilities and patients’ expectations about triage system: Patients’ perspective from multisite Jordanian hospitals
منشور في 2024"…<h3>Background</h3><p dir="ltr"> Using primary healthcare facilities can decrease the tension and workload in emergency departments (EDs). …"
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44
Effects of ethanol addition to diesel–biodiesel blends on the CI engine characteristics
منشور في 2024"…All blends show an increase in brake mean effective pressure (BMEP) compared to B0, with the maximum enhancement observed in B10 with an average increase of 13% across all speeds. …"
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45
A robust experimental-based artificial neural network approach for photovoltaic maximum power point identification considering electrical, thermal and meteorological impact
منشور في 2020"…The results showed a decrease in the MSE of V<sub>mp</sub> by 74.3% (from 1.6 V to 0.411 V), and in the MSE of I<sub>mp</sub> by 95% (from 4.4e−6 A to 2.16e−7 A), respectively. …"
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46
A Comparison of Greywater Irrigation and Hydraulic Loading Rate on Growth and Treatment Performance With Various Ornamental Plants
منشور في 2024"…</p><p dir="ltr">A synthetic greywater made from household personal care and cleaning products was applied in the pot test. …"
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47
Utilization of the internet for physical activity and diet information and its influence on pregnant women’s lifestyle habits in Qatar
منشور في 2023"…</p><h3>Results</h3><p dir="ltr">A total of 327 pregnant women (mean age of 29.5 years ± 4.0) completed and returned the questionnaire (response rate: 87.5%). …"
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48
Dynamic Change in Insulin Resistance Induced by Free Fatty Acids Is Unchanged Though Insulin Sensitivity Improves Following Endurance Exercise in PCOS
منشور في 2018"…Skewed data were log transformed and expressed as mean ± SEM.</p><h3>Results</h3><p dir="ltr">Before exercise, women with PCOS had a higher HOMA-IR and lower VO2 max than controls. …"
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49
Double versus triple arthrodesis for adult-acquired flatfoot deformity due to stage III posterior tibial tendon insufficiency: a prospective comparative study of two cohorts
منشور في 2022"…The mean Hibbs angle decreased from 153.07 to 142.32° (MD = 10.54°, p < 0.001). …"
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50
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
منشور في 2022"…CO2 is lost from the Gulf due to gas exchange, decreasing DIC, and reducing pCO2 to 464 μatm, similar to that observed. …"
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51
Simulation of the size-composition distribution of atmospheric nanoparticles over Europe
منشور في 2018"…The ground level concentrations of particles with a diameter larger than 100 nm (N100) were reproduced with a daily normalized mean error of 40 % and a daily normalized mean bias of −20 %. …"
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52
Water Footprint Assessment and Virtual Water Trade in the Globally Most Water-Stressed Country, Qatar
منشور في 2023"…The virtual water exports gradually decreased over the years with the most notable decrease in 2018 following Qatar’s blockade. …"
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53
Portfolio Selection Problem Using CVaR Risk Measures Equipped with DEA, PSO, and ICA Algorithms
منشور في 2022"…It was found that when solving the Mean-CVaR model with evolutionary algorithms, the risk decreased. …"
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54
Which factor explains the life‐history of <i>Xanthium strumarium</i> L., an aggressive alien invasive plant species, along its altitudinal gradient?
منشور في 2022"…Among climatic variables, mean yearly temperature, mean annual yearly humidity, and mean day length in hours, while in soil variables, organic matter and nitrogen percentage significantly affect the phenological and morphological stages. …"
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55
Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …"
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56
Excess pCO<sub>2</sub> and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
منشور في 2022"…CO<sub>2</sub> is lost from the Gulf due to gas exchange, decreasing DIC, and reducing pCO<sub>2</sub> to 464 μatm, similar to that observed. …"
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57
Changing life expectancy in European countries 1990–2021: a subanalysis of causes and risk factors from the Global Burden of Disease Study 2021
منشور في 2025"…In 2019–21, there was an overall decrease in mean annual life expectancy across all countries (overall mean –0·18 years [95% UI –0·22 to –0·13]), with all countries having an absolute fall in life expectancy except for Ireland, Iceland, Sweden, Norway, and Denmark, which showed marginal improvement in life expectancy, and Belgium, which showed no change in life expectancy. …"
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58
Impact of staying at home measures during COVID-19 pandemic on the lifestyle of Qatar’s population: Perceived changes in diet, physical activity, and body weight
منشور في 2021"…Participants reported increased sitting/reclining time (1.94 h/day mean increase), screen times (2.05 h/day mean increase) with p < 0.001, and decreased exercise time (0.11 h/day mean reduction) with p < 0.001. …"
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59
Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …"
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60
The Gulf Cooperation Council states: Crystallization of the regional cooperation and alliances amid dwindling resources
منشور في 2021"…<p dir="ltr">The Gulf Cooperation Council (GCC) states can be divided into two main camps in terms of hydrocarbon endowment per capita which can partially account for differences in policy directions. …"