Bidirectional buck-boost inverter-based HVDC transmission system with AC-side contribution blocking capability during DC-side faults حسب Elserougi, A. A.

"…The simulation results reveal the promising performance under normal operation as well as a significant decrease in the dc fault current due to the ac-side contribution blocking capability of the BBI-HVDC system during dc-side faults.…"
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Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds حسب Bounnit, Touria

"…Culture was done in liquid F/2 medium at 300 C for a period of 15 days, after which algae were harvested for the determination of total lipids. …"
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Development of a stacked machine learning model to compute the capability of ZnO-based sensors for hydrogen detection حسب Behzad, Vaferi

"…Trend and relevancy analyses indicated that the sensor sensitivity intensifies with increasing hydrogen concentration and decreasing temperature. The reduced graphene oxide (rGO) dose initially improves sensor sensitivity toward hydrogen detection up to a maximum value and then continuously decreases it. …"
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Relationship between the heart rate and E/A ratio in athletic and non-athletic males in different ages حسب Kneffel, Zsuzsanna

"…Student t-test was used to establish the differences between transmitral and TDI determined velocities and indices in athletes and non-athletes. Results: The E/A decreased with age, the rate of decrease was slower in the physically trained subjects, except in children. …"
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Does pharmacist-supervised intervention through pharmaceutical care program influence direct healthcare cost burden of newly diagnosed diabetics in a tertiary care teaching hospita... حسب Upadhyay, Dinesh Kumar

"…Methods An interventional, pre-post non-clinical randomised controlled study was conducted among randomly distributed 162 [control (n = 54), test 1 (n = 54) and test 2 (n = 54) groups] newly diagnosed diabetics by a consecutive sampling method for 18 months. …"
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Modeling and optimization of an island water-energy nexus powered by a hybrid solar-wind renewable system حسب Mehrjerdi, Hasan

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A study on stability of active layer of polymer solar cells: effect of UV–visible light with different conditions حسب Mehmood U.

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Mental health, burnout and resilience in community pharmacists during the COVID-19 pandemic: A cross-sectional study حسب Zeana, Samir AlKudsi

"…Moreover, depression, anxiety and stress were reported by 44.8%, 53.2% and 25.4% of particiants respectively. Participants had shown moderate resilience (mean score: 27.64 (SD = 8.31)) and their mean score fear of COVID19 was 15.67 (SD = 6.54). …"
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Mental health, burnout and resilience in community pharmacists during the COVID-19 pandemic: A cross-sectional study حسب Zeana, Samir AlKudsi

"…Moreover, depression, anxiety and stress were reported by 44.8%, 53.2% and 25.4% of particiants respectively. Participants had shown moderate resilience (mean score: 27.64 (SD = 8.31)) and their mean score fear of COVID19 was 15.67 (SD = 6.54). …"
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Isothermal crystallization kinetics and morphology of double crystalline PCL/PBS blends mixed with a polycarbonate/MWCNTs masterbatch حسب Gumede T.P.

"…For the nanocomposites, there was a decrease in Tc values. This was attributed to a competition between two effects: (1) The partial miscibility of the PC-rich and the PCL-rich and PBS-rich phases, and (2) the nucleation effect of the MWCNTs. …"
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How Qatar’s Food System Has Impacted By Blockade? A Global Trade and Supply Chain Analysis حسب Al Abdulmalek, Noora Abdulla

"…The carbon footprint was calculated using the transport CO2 emission analysis and a global Multi-Region Input-Output (MRIO) analysis. …"
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Investigating the effect of the air inlet temperature on the combustion characteristics of a spark ignition engine fueled by biogas حسب Ebrahemi, Abdullah Ebrahem

"…This work has conducted a numerical study using AVL-Boost engine simulation utilizing biogas (CH4 and CO2)–air mixtures in a SI engine model. …"
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Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study حسب Houssein H., Ayoub

"…Increasing asymptomatic treatment coverage among FSWs from 0 % to 50 % decreases prevalence from 8.2 % to 0.4 %, 0.6 % to 0.1 %, and 0.2 % to 0.0 %, respectively, with very low prevalence when coverage exceeds 50 %. …"
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Regional Difference in the Association between the Trajectory of Selenium Intake and Hypertension: A 20-Year Cohort Study. حسب 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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Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar حسب 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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A new family of boost active neutral point clamped inverter topology with reduced switch count حسب Siddique, Marif Daula

"…The traditional ANPC gives the output voltage of half the input voltage which necessitates the use of higher input dc-link voltage. To fix this problem, a floating capacitor is used to increase the voltage of the output, which decreases the dc-link requirement. …"
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Inhibition of p90 ribosomal S6 kinase potentiates cisplatin activity in A549 human lung adenocarcinoma cells حسب Abdulrahman, Nabeel

"…In ovarian cancer cells, the knockdown of RSK2 increased the sensitivity of cisplatin. RSK is a downstream mediator of the MAPK pathway that is responsible for cell survival, proliferation and migration. …"
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Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel حسب Santecchia E.

"…For this purpose, pin-on-disc wear tests were carried out either at room temperature (293 K) or at high temperature (873 K) against alumina (Al2O3) balls. Two thin hard nitrogen-rich coatings were considered: a multilayer AlTiCrN and a superlattice (nanolayered) CrN/NbN. …"
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Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model حسب Charfeddine, Lanouar

"…From the economic perspective, this means that initially economic growth increases environment degradation and then declines it after a threshold point of income per capita. …"
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Solar Technology and District Cooling System in a Hot Climate Regions: Optimal Configuration and Technology Selection حسب Ismaen, Rabah

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