Factors Affecting the Liquidity of the Qatar Stock Exchange حسب Salman Haider (4715115)

"…On the other hand, stock returns significantly increase the bid-ask spread and decrease the turnover ratio, decreasing the overall liquidity of Qatar Stock Exchange. …"

Electric vehicles charging management using deep reinforcement learning considering vehicle-to-grid operation and battery degradation حسب Mostafa M., Shibl

"…In this paper, a deep RL-based EVs charging management solution is presented, while considering fast charging, conventional charging and V2G operation, in order to satisfy the requirements of the user and the utility. …"
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Energy Efficiency of UAV-Based Communication Systems Powered via Energy Harvesting Through Trajectory Optimization حسب Mohammad Abou Arkoub (19953132)

"…Unmanned aerial vehicles (UAV), also known as drones, is an aircraft without a human pilot onboard and controlled simultaneously by computers remotely. …"

Determinants of Non-Performing Loans in the State of Qatar With Special References to Small and Medium Enterprises حسب Muhannad Abdullah Almuraikhi (21547001)

"…We selected SMEs from Qatar Development Bank (QDB) portfolio for the borrower-specific factors using a questionnaire to explore the SMEs' causes of NPLs. …"

Clinical and biochemical determinants of length of stay, readmission and recurrence in patients admitted with diabetic ketoacidosis حسب Fateen Ata (12217764)

"…Patients with a 6-month DKA recurrence, female gender and T1DM had higher odds of 12-month recurrence, whereas a consult with a diabetes educator at the index admission was associated with decreased odds of recurrence.…"

Effect of Hypoxia on Muscle Activation During Incremental Exercise at Equivalent Relative Intensity حسب Dania Nazeeh Ibrahim (21547487)

"…In the ramp test, there was a significant decrease in muscle activation for rmsRF% (<i>P</i>= 0.049; d = 0.61) and rmsVM% (<i>P</i> = 0.01; d = 0.84) in peak power output (PPO). …"

Mixed precision iterative refinement with adaptive precision sparse approximate inverse preconditioning حسب Noaman Khan (19810050)

"…In this work, we develop an adaptive precision sparse approximate inverse preconditioner and demonstrate its use within a five-precision GMRES-based iterative refinement method. …"

Electric vehicles charging management using deep reinforcement learning considering vehicle-to-grid operation and battery degradation حسب Mostafa M. Shibl (17821382)

"…In this paper, a deep RL-based EVs charging management solution is presented, while considering fast charging, conventional charging and V2G operation, in order to satisfy the requirements of the user and the utility. …"

Constitutive Modeling of the Tensile Behavior of Recycled Polypropylene-Based Composites حسب Kui Wang (137551)

"…Because the repeated reprocessing leads to thermo-mechanical degradation by chain scission mechanisms, the tensile behavior of the two materials exhibits a continuous decrease of elastic modulus and failure strain with the increasing amount of reprocessing. …"

Evaluation of the cementite morphology influence on the hydrogen induced crack nucleation and propagation path in carbon steels حسب Shabnam Karimi (19457575)

"…A drastic load decrease in the load-displacement (L-D) curve happened under −1550 mV charging for both microstructures accompanied by a straight crack growth path in spheroidite microstruc-ture, independent of grain boundaries or ferrite-cementite interfaces while a competition between the shear crack growth mechanism and the interfacial cracking determines the crack growth path in the lamellar microstructure.…"

Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs حسب Albertus Retnanto (17269237)

"…Based on the performed experimental tests results, the optimal additive resin for a class G cement slurry is the microbond additive at a concentration of 7.5%. …"

Investigating the Impact of Salinity Variations on Aerobic Granules and Activated Sludge Flocs: Emphasis on Performance Monitoring and Identification of Influential Salinity Compon... حسب Raghavendran Sivasubramanian (16931775)

"…Consequent to the changes in the extracellular polymeric substances (EPS), there was an immediate decrease in sludge hydrophobicity resulting in a deterioration of settling, indicated by an increase in the sludge volume index (SVI), and loss of biomass for all the reactors. …"

Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy حسب Moayyad Shawaqfah (17280637)

"…The simple and well-structured ANN model can be adapted to different propagation dynamics and could be useful for health managers and decision-makers to better control and prevent the occurrence of a pandemic.</p><h2>Other Information</h2><p dir="ltr">Published in: Results in Physics<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.rinp.2021.104484" target="_blank">https://dx.doi.org/10.1016/j.rinp.2021.104484</a></p>…"

Investigation of the structural, optical and gas sensing properties of PANI coated Cu–ZnS microsphere composite حسب Hemalatha Parangusan (6556133)

"…<p>Polyaniline (PANI)/Cu–ZnS composites with porous microspheres are prepared by a hydrothermal and <em>in situ</em> polymerization method. …"

Investigation of the Sustainable Production and Utilization of Biochar and Activated Carbon From Waste حسب Farah Yousef Taher Obar (19938288)

"…After activation, the SCG biomass was used to produce biochar by a slow pyrolysis process at three temperatures (300, 500, and 600 °C) for 1-hour residence time and at a heating rate of 5 °C/min. …"

Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers حسب Madisa V.G., Varaprasad

"…When the converter switch comes under active state two capacitors are discharged in series, similarly when the converter switch under inactive state those two capacitors are charged in parallel through the coupled inductor (CI) energy so, to get a high voltage at the converter output side. To reuse the leakage-inductor (LI) energy of the CI with the help of a passive clamp circuit for reducing the voltage stress across the switch, similarly switch has less resistance so conduction losses also decreased. …"
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Understanding the progress and challenges in the fields of thermo-catalysis and electro-catalysis for the CO₂ conversion to fuels حسب V. S. K. Yadav (17727660)

"…Several studies have been reported in both the processes with a desire to decrease the atmospheric CO₂ concentration by stopping CO₂ emissions at the site of generation itself. …"

Age–sex differences in the global burden of lower respiratory infections and risk factors, 1990–2019: results from the Global Burden of Disease Study 2019 حسب Hmwe Hmwe Kyu (8674014)

"…The progress seen in children younger than 5 years was clearly a result of targeted interventions, such as vaccination and reduction of exposure to risk factors. …"

Effects of financial turmoil on financial integration and risk premia in emerging markets حسب Boubakri, Salem

"…Accordingly, we estimate a variant of the International Asset Pricing Model developed by Carrieri et al. (2007), allowing for time-varying stock market integration, in which we include the foreign currency risk. …"
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Fasting-Mimicking Diet Is Safe and Reshapes Metabolism and Antitumor Immunity in Patients with Cancer حسب Claudio Vernieri (9744243)

"…In 101 patients, the FMD was safe, feasible, and resulted in a consistent decrease of blood glucose and growth factor concentration, thus recapitulating metabolic changes that mediate fasting/FMD anticancer effects in preclinical experiments. …"