Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar حسب Chemaitelly, Hiam

"…Conclusion The conclusion of the first omicron wave was a turning point in the severity of the pandemic. While vaccination and enhanced case management reduced severity gradually, the rapid accumulation of natural immunity during the first omicron wave appears to have played a critical role in driving this shift in severity.…"
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Serum Vitamin D Concentration ≥75 nmol/L Is Related to Decreased Cardiometabolic and Inflammatory Biomarkers, Metabolic Syndrome, and Diabetes; and Increased Cardiorespiratory Fitn... حسب Ganji, Vijay

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Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective حسب Martinez, Alan

"…These results indicate a critical point in temperature in the tests with only CO2, where resistance to pitting susceptibility is maximized due to a decrease in the cation vacancy diffusivity.…"
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A robust experimental-based artificial neural network approach for photovoltaic maximum power point identification considering electrical, thermal and meteorological impact حسب Gowid, Samer

"…The results showed a decrease in the MSE of Vmp by 74.3% (from 1.6 V to 0.411 V), and in the MSE of Imp by 95% (from 4.4e−6 A to 2.16e−7 A), respectively. …"
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Reactive Absorption of CO2 Using Ethylaminoethanol Promoted Aqueous Potassium Carbonate Solvent حسب Bhosale, Rahul Rambhau

"…The D_(CO2) in the APCE solvent was also decreased by 21% due to the similar increase in the initial EAE concentration. …"
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Absorption of CO2 in aqueous blend of methyldiethanolamine and arginine حسب Talkhan, Ahmed Gomaa

"…However, for CO2 partial pressure of above 20 kPa, the addition of Arg caused a decrease in the solubility of CO2. …"
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Screening of Qatari Microalgae and Cyanobacteria for Application in CO2 Utilization حسب Schipper, Kira

"…CO2 fixation by phototrophic microalgae and cyanobacteria is seen as a possible global carbon emissions reducer, which could also be applied to produce useful products. …"
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Reducing energy consumption of CO2 desorption in CO2-loaded aqueous amine solution using Al2O3/HZSM-5 bifunctional catalysts حسب Zhang X.

"…The aim of this work is to find a potential way for great decrease in CO2 capture energy requirement. Here, for the first time, a series of bifunctional Al2O3/HZSM-5 catalysts (Al-ZSM) were prepared by the combined precipitation ultrasound method and used for the CO2 desorption process. …"
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An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash حسب Saad, Mohammed A.

"…A kinetics study showed that the CO2 adsorption capacity of OFA increased with increasing CO2 flow rates and concentrations and decreasing the relative humidity. …"
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Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review حسب Sk, Mobbassar Hassan

"…This work shades light on how in-situ synchrotron study revealed apparent mysteries related to formation & growth of siderite scale during CO2- corrosion of mild steel. Keywords: In-situ synchrotron, CO2-Corrosion of mild steel, Nucleation mechanism during CO2- corrosion. …"
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Fabrication of zno-fe-mxene based nanocomposites for efficient co2 reduction حسب Kannan, K.

"…The ZnO-Fe-MXene electrode was confirmed to have a high current density of 18.75 mA/cm2 under a CO2 atmosphere. Nyquist plots also illustrated a decrease in the impedance of the ZnO-Fe-MXene layer, indicating fast charge transfer between the Zn and MXene layers. …"
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Opportunities, challenges and trade-offs with decreasing avoidable food waste in the UK حسب Patel, Shivalee

"…This study looks at the main stages of the food supply chain, and amasses the opportunities, challenges and trade-offs associated with surplus food redistribution to the UK economy. It highlights points in the food system where interventions can be made, to improve food’s circularity and sustainability potential. …"
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Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery حسب Carchini, Giuliano

"…Radial distribution function (RDF) analysis reveals two distinct peaks for CO2 (0.36 and 0.47 nm) and two for methane (0.87 and 0.57 nm) and the intensities of these peaks tend to decrease with increasing temperature. …"
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Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate حسب Wonjung, Choi

"…This study presents a hybrid electrochemical system that catalyzes the oxidation of As(III) to As(V) with a nanoparticulate TiO2 electrocatalyst (Ti/Ir1-xTaxOy/TiO2; denoted as an n-TEC) while simultaneously converting CO2 to formate on a Bi electrode in aqueous bicarbonate solutions at circum-neutral pH. …"
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CO2 methanation using sugarcane bagasse biochar/nickel sustainable catalysts حسب Gamal, Ahmed

"…Carbon dioxide hydrogenation to methane is one of the promising gas phase reactions due to the well-established natural gas infrastructures and CO2 amounts consumed as reactants. This process supports in CO2 mitigation, providing solutions to global warming. …"
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Impact of clays on CO2 adsorption and enhanced gas recovery in sandstone reservoirs حسب Hamza A.

"…Moreover, raising the temperature to 75 °C decreased the CO2 uptake on sandstones. However, the alteration of clays crystallinity at a temperature of 100 °C improves the CO2 adsorption. …"
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Effects of superelastic nano-NiTi additions on electroless Ni –P coating properties under bending حسب MacLean M.

"…In this study, electroless Ni –P-nano-NiTi composite coatings containing 5.14 wt%, 6.07 wt%, and 7.02 wt % NiTi were subjected to three-point bend testing in order to determine bending properties. …"
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CO2 enhanced gas recovery and sequestration in depleted gas reservoirs: A review حسب Hamza A.

"…Incremental recovery of residual natural gas after injecting CO2 could decrease the cost of the process. This review highlights the efforts made to investigate the CO2 adsorption/desorption for EGR applications under typical reservoir conditions in conventional depleted sandstone and carbonate reservoirs. …"
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Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution حسب Jalab, Rem

"…Electrochemical tests of Tafel and AC impedance, were used to determine the corrosion rate of carbon steel (C-steel) and protection efficiency in CO2-saturated 3.5 wt% NaCl solution. The surface morphology was characterized using FESEM coupled with EDX. …"
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Theoretical insight into effect of cation–anion pairs on CO2 reduction on bismuth electrocatalysts حسب Sun Hee, Yoon

"…This study presents theoretical insight into the mechanism of the CO2 reduction reaction (CO2RR) to formic acid (HCOOH) on Bi (012) surfaces in the presence of alkali metal cations (M+: Cs+, K+, and Li+) and/or halide anions (X−: Cl−, Br−, and I−) using density functional theory (DFT). …"
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