Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model حسب Charfeddine, Lanouar

"…After reaching a critical level of income, the spending on environment protection is increased, and hence environment degradation tend to decrease. …"
احصل على النص الكامل
احصل على النص الكامل

Psychiatric inpatients' views of their mental health, and their experience of social change, during the pandemic: A report from Qatar حسب Badanapurkar, Ashishkumar

"…Further work is needed to assess the views of people diagnosed with mental health problems in different countries and at a different time point during the pandemic. Abstract: Introduction The impact of the COVID-19 pandemic on people under the care of mental health services has received relatively little attention in the scientific literature. …"
احصل على النص الكامل
احصل على النص الكامل

A Prospective Association of Nut Consumption with Cognitive Function in Chinese Adults aged 55+ _ China Health and Nutrition Survey. حسب Li, M

"…We aimed to investigate the association of nut intake with cognitive function in Chinese adults aged 55 and over. This was a prospective open cohort study with repeated measurements of diet and cognition scores. …"
احصل على النص الكامل
احصل على النص الكامل

Effects of the addition of a high energy density fuel, adamantane to diesel on its cetane number, sooting propensity, and soot nanostructural properties حسب Al Zaabi, Alanood

"…The addition of up to 6.75 wt% of adamantane in diesel significantly increased the smoke point of diesel from 18 to 29 mm (and threshold sooting index decreased by 44%), indicating a drastic drop in fuel sooting tendency. …"
احصل على النص الكامل

Pollution Characteristics of Particulate Matter (PM2.5 and PM10) and Constituent Carbonaceous Aerosols in a South Asian Future Megacity حسب Aslam, Afifa

احصل على النص الكامل
احصل على النص الكامل

Perspectives of clinical pharmacists on the provision of pharmaceutical care through telepharmacy services during COVID-19 pandemic in Qatar: A focus group حسب Alhmoud, Eman

"…Recruitment continued until a saturation point was achieved. Results We conducted five focus groups that included 23 CPs and led to seven themes. …"
احصل على النص الكامل
احصل على النص الكامل

Numerical and experimental investigation on corrugation geometry for metallic tubes under lateral loading حسب Eyvazian A.

"…Our results showed that using vertical elliptical corrugation decrease the densification point. Moreover, there is a gradual enhancement of mean crushing load by moving from the horizontal elliptical corrugations to the vertical ones. …"
احصل على النص الكامل
احصل على النص الكامل

The role of type II FB (I):Tl+ defect in laser light generation and color image formation at the low coordination surface sites of AgBr: Ab initio calculations حسب Shalabi, A.S.

"…The probability of orientational destruction of the two centers, attributed to the assumed saddle point ion configurations along the 〈1 1 0〉 axis, was found to decrease as the coordination number of the surface ions decreases. …"
احصل على النص الكامل
احصل على النص الكامل

Sulfobetaine-based polydisulfides with tunable upper critical solution temperature (UCST) in water alcohols mixture, depolymerization kinetics and surface wettability حسب Abdulkareem, A.

"…Tunable surface wettability were shown on the grafted polymers. Findings: Decreasing polarity and/or increasing alcohol percentage in the water mixtures induced an increase in the cloud points of the polymers in the solutions. …"
احصل على النص الكامل
احصل على النص الكامل

Pulpal blood flow changes and pain scores related to using superelastic 0.018-inch nickel titanium as the first orthodontic alignment archwire: A prospective clinical trial حسب Alhaija, Elham S.Abu

"…Pain scores were recorded using a visual analogue scale (VAS). A repeated measures ANOVA and a post-hoc Bonferroni comparison tests were conducted to examine differences at the different time points before and during orthodontic alignment. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Lipid-lowering therapies for atherosclerosis: Statins, fibrates, ezetimibe and pcsk9 monoclonal antibodies حسب Ali, A.H.

"…Recent evidence classifies atherosclerosis as a latent disease affecting all-sized arteries with a predilection for arterial branching points of decreased or absent blood supply. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Seasonal Variations of Acoustic Properties in Ropme Sea Area حسب El Gindy, A. A. H. [احمد عبد الحميد الجندي]

"…Sound speed was similar in the upper 60 meters. From an acoustic point of view, the basin west of 56°E is considered as a shallow area while the Gulf of Oman is a deep area. …"
احصل على النص الكامل

Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy-combustion supercritical CO2 intercooled and reheated cycles under design and off-design condi... حسب Al-Ammari, Wahib A.

"…Therefore, from an economic point of view, the ICC is recommended as the best power block for a sCO2 power cycle driven by oxy-combustor at moderate TITs. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

The relationship between heavy metal concentration and soil mycoflora in the Gizan region, Saudi Arabia حسب Falih, A. M. [عبد الله مساعد خلف الفالح]

"…There was a marked decrease in bacterial counts, as well as a significant decline in numbers of actinomycetes, nitrifying bacteria and fungi. …"
احصل على النص الكامل

Development of Internally Pressurized Composite/Metallic/Composite Hybrid Pipes حسب Alabtah, Fatima Ghassan

"…The testing results showed significant improvement in the internal pressure capacity compared to the conventional steel pipes. Fourth, a detailed evaluation of fiber type’s effect on the electrochemical corrosion aspects in different highly corrosive solutions, 0.5 M NaCl, 0.5 M HCl, and 0.5 M H2SO4, was presented. …"
احصل على النص الكامل

Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups. حسب Elahtem, Ayman Ahmed

"…The parameters investigated in this study are span to depth ratio (i.e. a/d =2.5 and 3.5), reinforcement ratio , stirrups spacing effect (i.e. 250 mm and 350 mm) and stirrups type (Steel and Basalt). …"
احصل على النص الكامل

Thermally conductive polyethylene/expanded graphite composites as heat transfer surface: Mechanical, thermo-physical and surface behavior حسب Sobolčiak, Patrik

"…Moreover, the surface wettability of the HDPE/EG composite was enhanced by corona and RF plasma treatment as demonstrated by the increase in surface free energy from 28.5 mJ/m2 for untreated HDPE/EG to 55.5 and 54.5 mJ/m2 for HDPE/EG treated by corona and RF plasma, respectively. …"
احصل على النص الكامل
احصل على النص الكامل

Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating حسب Cabibbo, M.

"…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …"
احصل على النص الكامل

Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars حسب Abushanab, Abdelrahman

"…This study investigated the structural performance and moment redistribution of basalt fiber reinforced concrete (BFRC) continuous beams reinforced with basalt fiber reinforced polymers (BFRP) bars. A total of 10 reinforced concrete (RC) continuous beams over two equal spans of 1800 mm were tested under five-point loading until failure. …"
احصل على النص الكامل
احصل على النص الكامل

EPIDEMIOLOGY OF CHLAMYDIA TRACHOMATIS IN LATIN AMERICA AND THE CARIBBEAN: SYSTEMATIC REVIEW, META-ANALYSES, AND META-REGRESSIONS حسب ABU-EL-RUZ, RASHA

"…We conducted random-effects meta-regressions to identify sources of heterogeneity and possible predictors of high prevalence. Results: The pooled-mean urogenital CT prevalence was 8.2% (95% CI: 7.5-9.1) for general populations, 14.0% (95%CI: 12.7-15.4) for female sex workers, 10.8% (95% CI: 8.4-13.4) for men who have sex with men, male sex workers, and transgenders, 16.1% (95% CI: 12.6-19.8) for symptomatic women, 25.4 (95% CI: 18.6-38.5) for symptomatic men, 9.7% (95%CI: 6.1-14) for HIV-positive individuals and individuals in HIV-discordant couples, and 11.9% (95 CI: 8.5-15.8) for STI clinic attendees. …"
احصل على النص الكامل