Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends حسب Elkelawy, Medhat

"…The carbon monoxide and oxygen concentrations of the exhaust gases also decreased by 17.35% and 9.5%, respectively compared to B50. …"
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Tobacco Use and Its Health Effects among Professional Athletes in Qatar حسب Chaabane, Zaina

"…A total of 108 male professional athletes participated in the study from ten ball game teams in the same sport league in Qatar (age = 26.4 ± 5.1 yrs, height = 190.6 ± 11.9 cm, and weight = 91.5 ± 16.4 kg). …"
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Influence of the heteroatom on the optoelectronic properties and transistor performance of soluble thiophene-, selenophene- and tellurophene-vinylene copolymers حسب Al-Hashimi, Mohammed

"…The optical band gap of the polymers is shown to systematically decrease as the size of the heteroatom is increased, mainly as a result of a stabilization of the LUMO energy, resulting in a small band gap of 1.4 eV for P3TeV. …"
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Modelling the asymmetric responses of price level to oil price changes in Qatar حسب Mrabet, Zouhair

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ELECTRODE SUSPENSION FOR AQUEOUS SODIUM FLOW BATTERY حسب MESLAM, MENTALLAH MOHAMED HASSANIN MOHAMED HASSANIN

"…Due to excellent wettability, KB dispersions were electrically percolated at low KB content (0.9 wt%) forming a three-dimensional conductive network with significant flexibility enabled them to retain the electrical conductivity under flow. At 1.5 wt% KB, the anolytes could tolerate high load (25 wt%) of NTO without severe rise in the rigidity and conductivity under static and flow modes. …"
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Experimental Investigation on the Flexural Capacity of Reinforced Concrete Beams with Treated Wastewater and Recycled Concrete Aggregates حسب Abushanab, Abdelrahman

"…In addition, the utilization of FA at a 20% replacement ratio enhanced the flexural strength by 5% to 7%.…"
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Concentration of sucrose solutions via vacuum membrane distillation حسب Al-Asheha, S.

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Correlation of structural and mechanical properties for Al-Al2O3-SiC hybrid metal matrix composites حسب Ahamad, Naseem

"…Al-Al2O3-SiC hybrid composite has been developed through stir casting with addition of ceramics i.e. Al2O3-SiC (2.5 wt.%, 5.0 wt.%, 7.5 wt.% and 10.0 wt.%) in relative and symmetrical proportion. …"
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Studies on growth and chemical composition of tobacco varieties. IV - comparative effects of various combinations of fertilizers on economic potentialities of tobacco plants حسب Younis, M. E. [محمود الباز يونس]

"…In two experiments, tobacco plants were treated with various combinations of ammonium nitrate (23% N) and compound C (3.5% N, 23% P and 16% K). At all levels used in experiment I, stem length and number of leaves were increased above the control values. …"
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DEVELOPMENT AND EVALUATION OF VIRTUAL REALITY EXERGAMES FOR UPPER LIMB AMPUTEE REHABILITATION حسب MAZHAR, NOAMAN

"…User evaluation revealed positive user satisfaction(ratings: 3.8 to 4.5 on a 5-point Likert Scale). Quantitative analysis of the box and block test scores across 10 healthy participants for the motor skills assessment revealed a strong correlation (r = 0.99, P < 0.001) between training sessions and the evaluation scores. …"
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Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds حسب Bounnit, Touria

"…In addition, we observed the presence of the omega-3 and 9 long-chain polyunsaturated fatty acids (LC-PUFAs), such as eicosapentaenoic (EPA, 20:5 n-3), docosahexaenoic (DHA, 22:6 n-3) and Nervonic Acid (C24:1 n-9) acids, which have a high commercial value and are known for their beneficial effects on human health…"
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CO2 enhanced gas recovery and sequestration in depleted gas reservoirs: A review حسب Hamza A.

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Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) حسب 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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Contrasting effects of necrotrophic and biotrophic plant pathogens on the aphid Aphis fabae حسب Al-Naemi, F.

"…However, sequential plant infection (pathogens applied 5 days apart) led to a 70% decrease in fecundity and 50% reduction in intrinsic rate of increase. …"
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The spectral and morphological studies of the conductive polyaniline thin film derivatives by the in situ copolymerization حسب Waware, Umesh S.

"…The particle size varies in the range of 5–10,000 nm for polyaniline while in case of copolymer it lies in a narrow range of 100–150.…"
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Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha حسب Siddiqui, Simil Amir

"…Furthermore %LULC of built up, vegetation, barren land, marsh land and water body were 29%, 4.5%, 58.6%, 2.8% and 5% in 2000 and 56.5 %, 8.2%, 33.2 %, 0% and 2.1% in 2019 respectively. …"
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Application of Fe3O4 magnetite nanoparticles grafted in silica (SiO2) for oil recovery from oil in water emulsions حسب Elmobarak W.F.

"…Demulsification process best fits the combined Langmuir-Freundlich (L-F) isotherm with highest adsorption capacity (Qmax) of 186.0 ± 5 mgoil/gMD compared to 86.0 ± 5 mgoil/gMD for Fe3O4, which is 1.1 folds greater than Qmax reported in the literature for other demulsifiers.…"
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Effect of mobile text messages on antiretroviral medication adherence and patient retention in early HIV care: An open-label, randomized, single center study in south Florida حسب Sherman, Elizabeth M.

"…Retention in care significantly improved in the intervention group compared to the control group with the odds of retention increasing by 20% (OR, 1.2; 95% CI 1.1–1.5; p = 0.006). Undetectable HIV RNA (< 50 copies/mL) was 86.7% in the intervention group versus 73.5% in the control group (OR, 2.3; 95% CI 0.8–6.9; p = 0.112). …"
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Reinforcement of polyacrylamide-co-tert-butyl acrylate base gel using nanosilica for conformance control at low and high reservoir temperatures حسب Shamlooh M.

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Bariatric Surgery Improves Serum CD40L Levels as a Predictor of Cardiovascular Risk: Systematic Review and Meta-analysis حسب Jamialahamdi, Tannaz

"…The meta-analysis was provided by Comprehensive Meta-Analysis (CMA) V4 software. The overall effect size was detected by a random-effects meta-analysis and the leave-one-out approach. …"
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