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281
Spatial, temporal, and demographic patterns in prevalence of chewing tobacco use in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Diseas...
منشور في 2021"…Understanding trends in prevalence with age, over time, and by location and sex is important for policy setting and in relation to monitoring and assessing commitment to the WHO Framework Convention on Tobacco Control. …"
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282
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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article -
283
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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284
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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article -
285
Application of Fe<sub>3</sub>O<sub>4</sub> magnetite nanoparticles grafted in silica (SiO<sub>2</sub>) for oil recovery from oil in water emulsions
منشور في 2021"…The MD was characterized using various analytical techniques (XRD, FTIR, TGA, TEM, VSM, etc.) and employed to recover oil from O/W emulsion, which were then regenerated and recycled several times. The effects of magnetic demulsifier dosage (MD<sub>dose</sub>), the concentration of oil (C<sub>oil</sub>), pH, the concentration of the surfactant (C<sub>sur</sub>), and separation time (t<sub>sep</sub>) on the demulsification efficiency (%<sub>hdem</sub>), and the percentage of oil recovered (%R<sub>oil</sub>) were evaluated. …"
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286
Rapid mercury removal using living indigenous microalgal communities for water treatment applications
منشور في 2025"…Our research demonstrates high mercury removal efficiency (89–94 %) across all tested concentrations, with rapid kinetics achieving equilibrium within just 2 min of contact time. The maximum biosorption capacity reached 0.10 mg/g at 100 μg/L initial concentration. …"
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287
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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article -
288
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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289
Barriers of Additive Manufacturing Adoption in United Arab Emirates Automotive Supply Chain
منشور في 2023"…AM offers a tremendous opportunity by improving adaptability and efficiency of the supply chain such as reducing lead times, decreasing the dependence on foreign suppliers, and promoting sustainability in manufacturing processes. …"
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290
Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming
منشور في 2024"…On the other hand, at the same time-on-stream LaNiMgO-Rh lost 0.3 and 0.7 % of its maximum CO<sub>2</sub> and CH<sub>4</sub> conversions, respectively. …"
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291
Machine Learning Models for Scheduling On-Demand Fog Placement and Optimizing Container Deployment
منشور في 2020"…However, due to the huge increase in the number of requests coming from end devices including IoT users, fog deployment and container placement must be scheduled to serve locations with high service requesting profiles while decreasing the cloud processing load. In this context, we first propose a fog placement model that allows to produce an adequate scheduling decision by using a hybrid technique combining time series forecasting and reinforcement learning. …"
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masterThesis -
292
Concise fuzzy representation of big graphs
منشور في 2018"…This method allows for reasonable representation in memory while maintaining a fair amount of useful information. …"
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article -
293
Carbonate effects on hexavalent uranium removal from water by nanocrystalline titanium dioxide
منشور في 2006"…However, the capacity of the nanocrystalline titanium dioxide to remove U(VI) from water decreased in the presence of inorganic carbonate at pH > 6.0. …"
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article -
294
Macular ultrastructural features in amblyopia using high-definition optical coherence tomography
منشور في 2013"…Also, amblyopic eyes demonstrated a shallow foveal pit compared with normal fellow eyes. Mean foveal thickness was significantly increased in amblyopic (228.56 µm) versus fellow eyes (221.72 µm), p=0.03. …"
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article -
295
Experimental and Analytical Investigations of the Use of Groove-Epoxy Anchorage System for Shear Strengthening of RC Beams Using CFRP Laminates
منشور في 2020"…The developed models predicted the experimental shear-strength of the tested RC beams with a good level of accuracy, with an average mean absolute percent error (MAPE) = 3.31% and 6.68%, normalized mean square error (NMSE) = 0.072, 0.523, and coefficient of determination R2 = 0.964, 0.691, for plates and sheets, respectively.…"
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article -
296
IS security menace
منشور في 2016"…It is widely believed in IS security literature that enforcing IS security policy compliance on employees through various means is the solution for security effectiveness. …"
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conferenceObject -
297
Deep Reinforcement Learning Powered IRS-Assisted Downlink NOMA
منشور في 2022"…As the imperfection increases by ten times, the rate decreases by more than 10%.</p><h2>Other Information</h2><p dir="ltr">Published in: IEEE Open Journal of the Communications Society<br>License: <a href="https://creativecommons.org/licenses/by/4.0/legalcode" target="_blank">https://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1109/ojcoms.2022.3165590" target="_blank">https://dx.doi.org/10.1109/ojcoms.2022.3165590</a></p>…"
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298
Psychological and Coping Strategies Related to Home Isolation and Social Distancing in Children and Adolescents During the COVID-19 Pandemic: Cross-sectional Study
منشور في 2021"…Higher levels of anger, depression, and general anxiety were prevalent among 1.3% (n=84), 3.9% (n=260), and 1.6% (n=104) of participants, respectively. The mean score for the emotional constructs anger and depression decreased with increased compliance with regulations (<i>P</i>=.04 and <i>P</i>=.11, respectively). …"
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299
The effect of Dopamine Agonists on patients with advanced Parkinson's disease subjected to subthalamic deep brain stimulation. (c2000)
منشور في 2000"…The mean levodopa dose was reduced by 90% (p < 0.01), while the mean dopamine agonist dose was increased by 15% from preoperative level. …"
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masterThesis -
300
An experimental measurement of corona discharge using laser Dopplervelocimetry
منشور في 1998"…The corona wind velocity was measured by means of a laser Doppler velocimetry system implemented and calibrated in the laboratory. …"
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article