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181
Investigation of the Sustainable Production and Utilization of Biochar and Activated Carbon From Waste
Published 2023“…The various physico-chemical properties of activated carbon at three different temperatures were analyzed to select the most suitable one for the batch adsorption study. Out of the activated biochars tested, those produced without catalyst at 600 °C using either 2M KOH or 2% H<sub>3</sub>PO<sub>4</sub> at a ratio of 1:1 of SCG were found to be the most efficient adsorbents with a BET surface area greater than 340 m<sup>2</sup> .g<sup>-1</sup>, zeta potential of more than -75 mV and fixed carbon of 65%. …”
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182
Investigating the impact of remittance outflows and oil price on economic growth in Gulf Cooperation Council countries
Published 2023“…This study utilizes the nonlinear augmented mean group method to explore the possible asymmetric impact of remittance outflows on economic growth in Gulf Cooperation Council (GCC) countries for the period of 2000–2019. …”
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183
Investigating the impact of remittance outflows and oil price on economic growth in Gulf Cooperation Council countries
Published 2023“…This study utilizes the nonlinear augmented mean group method to explore the possible asymmetric impact of remittance outflows on economic growth in Gulf Cooperation Council (GCC) countries for the period of 2000–2019. …”
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184
Food safety knowledge attitude and practices of oncology nurses, in Lebanese hospitals
Published 2023“…Knowledge scores were higher among nurses holding a graduate degree (mean = 85; p < 0.05), and those who attended a training course (mean = 79; p < 0.05). …”
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185
Excess pCO<sub>2</sub> and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
Published 2022“…</b>26 [NO<sub>3</sub>]) from conservative potential alkalinity ((<i>A</i><sub><em>p</em></sub><sup><em>C</em></sup>), (<i>A</i><sub><em>p</em></sub><sup><em>C</em></sup> = S A'<sub>P</sub> / S′ where A'<sub>P</sub> and S′ are mean values for the whole surface ocean) has values primarily determined by CaCO<sub>3</sub> precipitation and dissolution. …”
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186
Colloid retention and mobilization mechanisms under different physicochemical conditions in porous media: A micromodel study
Published 2021“…<p dir="ltr">Clear understanding of pore-scale mechanisms that control transport and retention of colloids in porous media at different physicochemical conditions is critical to improve design and efficient cleanup methodologies of filter beds. …”
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187
Mixed siliciclastic-carbonate-evaporite sedimentation in an arid eolian landscape: The Khor Al Adaid tide-dominated coastal embayment, Qatar
Published 2020“…The overall landward increase in salinity is accompanied by a decrease in the diversity of benthic fauna and their skeletal remains. …”
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188
Portfolio Selection Problem Using CVaR Risk Measures Equipped with DEA, PSO, and ICA Algorithms
Published 2022“…It was found that when solving the Mean-CVaR model with evolutionary algorithms, the risk decreased. …”
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189
Short-term outcomes of anterior cruciate ligament reconstruction with or without lateral tenodesis or anterolateral ligament reconstruction: a retrospective cohort
Published 2023“…However, there was a significant decrease in postoperative flexion in the ACL and ALL reconstruction group by a mean of 22° (95% CI − 40.7 − 3.4; P = 0.02) at 6 weeks compared to ACLR alone, which was not evident on later follow-ups.…”
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190
Factors Affecting Waterpipe Tobacco Smoking among University Students in Qatar
Published 2021“…</p><h3>Conclusions and implications</h3><p dir="ltr">The findings shed light on factors shaping WTS and provide evidence for designing multilevel behavioral interventions to decrease the prevalence of WTS among youth.…”
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191
Blockchain, climate damage, and death: Policy interventions to reduce the carbon emissions, mortality, and net-zero implications of non-fungible tokens and Bitcoin
Published 2022“…</p><p dir="ltr">Nonetheless, many popular types of blockchain have resisted the pressure to decrease their environmental impact, including Bitcoin, whose attributed 2021 annual emissions will produce emissions responsible for around 19,000 future deaths. …”
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192
Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows
Published 2023“…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …”
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193
A decision support system for automating document retrieval and citation screening
Published 2021“…Additionally, the DSS is designed to run in the cloud without any required programming knowledge for reviewers. …”
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194
Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows
Published 2023“…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …”
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195
Raising awareness among health educators and educational institutions of the need to overcome the language barrier among Non-Native English speaking students of Health Sciences in...
Published 2015“…A questionnaire was proposed to students asking for: 1- their need for translation of scientific terms, 2- the language of study of sciences in high school, 3- their shyness in asking the meaning of a scientific term, 4- the usefulness of a bilingual English-Arabic glossary with Latin/Greek origins of the terms.…”
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196
Clotted blood samples in the neonatal intensive care unit: A retrospective, observational study to evaluate interventions to reduce blood sample clotting
Published 2023“…The overall rate of clotted specimens decreased from 4.8% in 2017 and 2018 to 2.4% in 2019, with odds ratios of 1.42 (95% confidence interval [CI] 1.13–1.78, p = .002), 1.46 (95% CI 1.17–1.81, p < .001) and 0.49 (95% CI 0.39–0.63, p < .001), respectively. …”
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197
Analyzing the effectiveness of various coatings to mitigate photovoltaic modules soiling in desert climate
Published 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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198
Effects of ethanol addition to diesel–biodiesel blends on the CI engine characteristics
Published 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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199
Maternal Body Mass Index and Recommended Gestational Weight Gain in a Middle Eastern Setting
Published 2023“…</p><h3>Results</h3><p dir="ltr">The mean maternal age was 29.7 ± 5.5 years, prepregnancy BMI was 27.5 ± 5.8 kg/m2, GWG was 9.58 kg ± 6.87 kg and gestational age at birth was 38.5 ± 1.9 weeks. …”
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200
A Comparison of Greywater Irrigation and Hydraulic Loading Rate on Growth and Treatment Performance With Various Ornamental Plants
Published 2024“…The system suffered a decrease in chlorophyl content across all irrigation conditions except for <i>Pennisetum rubrum</i> which had improved foliage chlorophyll content (3.13±1.49 spad units) at 200 mL/d greywater irrigation. …”