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

"…Methods and analysis We conducted a national cohort study on 312 109 Qatari citizens to investigate incidence of severe, critical or fatal COVID-19 classified according to the WHO criteria between 28 February 2020 and 21 April 2023. …"
احصل على النص الكامل
احصل على النص الكامل

Synergistic effects and optimization of nitrogen and phosphorus concentrations on the growth and nutrient uptake of a freshwater Chlorella vulgaris حسب 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. …"
احصل على النص الكامل
احصل على النص الكامل

Impact of the COVID-19 lockdown on lifestyle behaviors and their association with personality among adults in Qatar: A cross-sectional study حسب Al-Abdi, Tamara

"…There was an increase in olive oil (9% vs. 12%; p < 0.001), vegetables (54.3% vs. 58.7%; p = 0.005), legumes (11.8% vs. 15.3%; p = 0.007), sofrito (70.9% vs. 77.3%; p < 0.001) and fat (45.9% vs. 53.8%; p < 0.001) consumption and a decrease in fresh fruit (39.4% vs. 15.8%; p < 0.001) and fish/seafood (5.9% vs. 3.9%; p = 0.0035) consumption during lockdown. …"
احصل على النص الكامل
احصل على النص الكامل

Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study حسب 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. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Corrosion inhibition of API X120 steel in a highly aggressive medium using stearamidopropyl dimethylamine حسب 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. …"
احصل على النص الكامل
احصل على النص الكامل

A computational method to characterize the missense mutations in the catalytic domain of GAA protein causing Pompe disease. حسب Thirumal Kumar, D

"…Further molecular dynamic analysis for the two mutations demonstrated that the G478R mutation was acquired higher deviation, fluctuation, and lower compactness with decreased intramolecular hydrogen bonds compared to the mutant R437C. …"
احصل على النص الكامل
احصل على النص الكامل

Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel حسب Santecchia E.

احصل على النص الكامل
احصل على النص الكامل

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

احصل على النص الكامل
احصل على النص الكامل

Corrosion inhibition of Mild Steel at Elevated temperature in highly Acidic Brines using a green corrosion inhibitor حسب 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). …"
احصل على النص الكامل

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

احصل على النص الكامل
احصل على النص الكامل

Demographic characteristics, laboratory features and complications in 346 cases of brucellosis: A retrospective study from Qatar حسب 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. …"
احصل على النص الكامل
احصل على النص الكامل

An enhanced distance-dependent electric field model for contact-separation triboelectric nanogenerator: Air-breakdown limit as a case study حسب Ahmed, Anas A.

"…The maximum surface charge density that can be obtained without air breakdown was predicted to be lateral sizedependent. It shows a monotonical decrease from 51.94 to 33.59 µC/m2 with a lateral size increase from 0.5 to 10 cm. …"
احصل على النص الكامل
احصل على النص الكامل

Circular economy application for a Green Stadium construction towards sustainable FIFA world cup Qatar 2022? حسب Al-Hamrani A.

احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

A CFD- RSM study of cuttings transport in non-Newtonian drilling fluids: Impact of operational parameters حسب Awad A.M.

احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Effect of Carbonyl Iron Particle Types on the Structure and Performance of Magnetorheological Elastomers: A Frequency and Strain Dependent Study حسب 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). …"
احصل على النص الكامل
احصل على النص الكامل

Effective removal of phenol from wastewater using a hybrid process of graphene oxide adsorption and UV-irradiation حسب Al-Ghouti M.A.

احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Comparison of seed germination and recovery responses of a salt marsh Halophyte halopeplis perfoliata to osmotic and ionic treatments حسب Rasool S.G.

"…In order to partition salinity effects, we studied seed germination and recovery responses of a coastal salt marsh halophyte Halopeplis perfoliata to different isotonic treatments (?…"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Synthesis and characterisation of Co2+-incorporated ZnO nanoparticles prepared through a sol-gel method حسب Ba-Abbad, Muneer M.

"…A hexagonal wurtzite-phase structure of Co2+-doped ZnO was observed, with a slight decrease in particle size as the Co2+ doping concentration increased. …"
احصل على النص الكامل
احصل على النص الكامل

Adiposity indicators exhibit depot- and sex-specific associations with multimorbidity onset: A cohort study of the UK Biobank حسب Ma, Lu

"…Results Cox proportional hazard regression analyses of general obesity indices revealed that for every one-unit increase in body mass index, the risk of incident multimorbidity increased by 5.2% (95% confidence interval 5.0%-5.4%). A dose-response relationship was observed between general obesity degrees and incident multimorbidity. …"
احصل على النص الكامل
احصل على النص الكامل

On Time-Dependent Rheology of Sutterby Nanofluid Transport across a Rotating Cone with Anisotropic Slip Constraints and Bioconvection حسب Abdal, Sohaib

"…The leading formulation is transmuted into ordinary differential formate via similarity functions. Five coupled equations with nonlinear terms are resolved numerically through the utilization of a MATLAB code for the Runge-Kutta procedure. …"
احصل على النص الكامل
احصل على النص الكامل