Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) by Singh, A.

“…The heterogeneous transesterification delivered a yield of 81.6% at 5 wt% catalyst concentration and 12:1 methanol to oil molar ratio. …”
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Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar by Chemaitelly, Hiam

“…In the post-first omicron phase, incidence rate of fatal COVID-19 decreased by 90.0% compared with earlier stages. Both severity and fatality exhibited an exponential increase with age and a linear increase with the number of coexisting conditions. …”
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Post stroke health-related quality of life, stroke severity and function: A longitudinal cohort study by Hartley, Tasneem

“…The anxiety/depression domain showed a non-significant change (p = 0.378). A weak negative significant correlation existed between EQ5D VAS and mRS scores (rs = -0.362; p = 0.02); indicating a trend that HRQoL was not improving to the degree stroke severity decreased. …”
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Electrically conductive composites based on an elastomeric matrix filled with expanded graphite as a potential oil sensing material by Krupa, Igor

“…For a composite filled with 10 wt.% of the filler, it was found that the electrical conductivity remained constant up to 11% of the sample extension before sharply decreasing. …”
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Synergistic effects and optimization of nitrogen and phosphorus concentrations on the growth and nutrient uptake of a freshwater Chlorella vulgaris by Alketife, Ahmed M.

“…1 and the maximum biomass produced was decreased more than three-fold to 0.5 g/L. The Box Behnken experimental design and response surface method were used to study the effects of the initial concentrations (P, N and C) on P and N removal efficiencies. …”
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Regional Difference in the Association between the Trajectory of Selenium Intake and Hypertension: A 20-Year Cohort Study. by Xie, Changxiao

“…The incidence of hypertension was 30.1, 30.5, 30.6, and 31.2 per 1000 person-years among participants with cumulative average selenium intake of 21.0 ± 5.1, 33.2 ± 2.8, 43.8 ± 3.6, and 68.3 ± 25.2 µg/day, respectively. …”
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High-quality and anti-inflammatory diets and a healthy lifestyle are associated with lower sleep apnea risk by Melaku, Yohannes Adama

“…There was a significant interaction between healthy lifestyle and sex with sleep apnea risk (P for interaction = .049) whereby females with higher healthy lifestyle scores had a lower risk of sleep apnea compared to males. …”
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Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study by Houssein H., Ayoub

“…Increasing condom use from 10 % to 50 % lowers NG prevalence among FSWs, clients, and their spouses from 12.2 % to 6.4 %, 1.2 % to 0.5 %, and 0.4 % to 0.2 %, respectively. Increasing symptomatic treatment coverage among FSWs from 0 % to 100 % decreases prevalence from 10.6 % to 4.5 %, 0.8 % to 0.4 %, and 0.3 % to 0.1 %, respectively. …”
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Corrosion inhibition of API X120 steel in a highly aggressive medium using stearamidopropyl dimethylamine by Radwan, A.Bahgat

“…The inhibition efficiency of the stearamidopropyl dimethylamine (SAPDA) surfactant for the corrosion of API X120 steel in a 0.5 M HCl solution at different temperatures was investigated using different electrochemical and microscopy techniques. …”
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Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel by Santecchia E.

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Vascular access types in hemodialysis patients in palestine and factors affecting their distribution: A cross-sectional study by Hamdan, Zakaria

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Solar Technology and District Cooling System in a Hot Climate Regions: Optimal Configuration and Technology Selection by Ismaen, Rabah

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Corrosion inhibition of Mild Steel at Elevated temperature in highly Acidic Brines using a green corrosion inhibitor by Elhaddad, Muhsen A.M.

“…Corrosion Inhibition of mild steel in 5 M Hydrochloric acid solution at different temperatures was investigated using a new green corrosion inhibitor (lauramidopropylamine oxide). …”
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Enhanced Filtration Characteristics and Reduced Bacterial Attachment for Reverse Osmosis Membranes Modified by a Facile Method by Nnadiekwe, Chidera C.

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A Hybrid Photo-Electro Catalytic Conversion of Carbon dioxide Using CuO-MgO Nanocomposite by Shabil Sha. Mizaj

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Demographic characteristics, laboratory features and complications in 346 cases of brucellosis: A retrospective study from Qatar by Varikkodan, Irfan

“…Objectives: To study the epidemiology and laboratory findings and outcomes of human brucellosis in the state of Qatar. Methods: A retrospective study involving adult patients with a definitive diagnosis of brucellosis was conducted. …”
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Impact of aluminium acetate particles size on the gelation kinetics of polyacrylamide-based gels: Rheological and molecular simulation study by Hamza A.

“…The addition of bentonite at low crosslinker concentrations (0.5–1 wt.%) did not decrease the gel strength of 7 wt.% PAM/1 wt.% AlAc significantly. …”
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Circular economy application for a Green Stadium construction towards sustainable FIFA world cup Qatar 2022? by Al-Hamrani A.

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Effect of Carbonyl Iron Particle Types on the Structure and Performance of Magnetorheological Elastomers: A Frequency and Strain Dependent Study by Salem, Ayman M. H.

“…Each MRE composition have three different concentrations, which is 5%, 10%, and 20% by volume. The dynamic properties of the fabricated samples are tested by compression oscillations on a dynamic mechanical analyzer (DMA). …”
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Synthesis and characterization of Sm3+-doped ZnO nanoparticles via a sol–gel method and their photocatalytic application by Ba-Abbad, Muneer M.

“…It was noticed that in the presence of samarium ions, the band gap slightly changed from the 3.198 eV of ZnO to 3.288 eV for samarium-doped ZnO with enhanced absorption in the UV region. …”
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