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161
Removal of copper ions from aqueous solution using NaOH-treated rice husk
منشور في 2022"…The %RCu decreased by increasing the [Cu]i and increased by increasing the ct, Dad, and T. …"
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162
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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163
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164
Wind shear coefficient, turbulence intensity and wind power potential assessment for Dhulom, Saudi Arabia
منشور في 2020"…The study also includes the local values of air density calculated using temperature and pressure measurement made at 2 m AGL during the same period. The mean wind speed above 4 m/s and the standard deviation values were used to obtain the turbulence intensities (TI) at different heights. …"
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165
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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166
Graphene oxide/chitosan doped polysulfone membrane for the treatment of industrial wastewater
منشور في 2023"…Maintaining the same GO-CH composition of 0.085 wt% and changing GO to CH ratio to 1:1 resulted in better hydrophilicity (contact angle 68°) and increased reversible fouling from 23 to 33%. The best membrane was further tested with real industrial wastewater obtained from a GTL plant in Qatar showed 28% improvement in COD removal.…"
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167
An Insight Into Unveiling Nano Luminescence for Industrial Dye Detection
منشور في 2025"…The CQDs were characterised using SEM, XRD, FTIR, UV–Vis spectrophotometry, and photoluminescence, which confirmed their uniform size distribution and outstanding optical characteristics. …"
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168
Enhancing the quality of lentil proteins via combination with whey proteins based on a dual process: a novel strategy through the incorporation of complexation and fermentation
منشور في 2024"…The protein digestibility, pH values, microbial growth, total soluble solids, and total saponin and phenolic contents were hydrolyzed for 5 days at 25 °C. The FTIR spectrophotometer scans indicated significant (<i>P</i> < 0.05) changes to the secondary protein structure components (random coil and α-helix). …"
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169
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170
"Thunderstorm distribution and frequency in Saudi Arabia"
منشور في 2005احصل على النص الكامل
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171
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172
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173
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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174
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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175
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176
Mental health, burnout and resilience in community pharmacists during the COVID-19 pandemic: A cross-sectional study
منشور في 2022"…Participants had shown moderate resilience (mean score: 27.64 (SD = 8.31)) and their mean score fear of COVID19 was 15.67 (SD = 6.54). …"
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177
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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178
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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179
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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180
Spatial Distribution and Abundance of Emerging Microplastics Pollutants in Groundwater of UAE
منشور في 2023احصل على النص الكامل
doctoralThesis