Energy Efficiency of UAV-Based Communication Systems Powered via Energy Harvesting Through Trajectory Optimization by 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 by 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 by 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 by 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 by 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 by 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 by 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. …”

High-sensitive detection and quantitation of thyroid-stimulating hormone (TSH) from capillary/fingerstick and venepuncture whole-blood using fluorescence-based rapid lateral flow i... by Samar Shurbaji (9938696)

“…Most of these TSH-LFIAs are designed for qualitative measurements (i.e., if TSH values > 5, or >15 IU/L) and as screening tests for primary hypothyroidism in children and adults. …”

Rapid mercury removal using living indigenous microalgal communities for water treatment applications by Amr Nasr Fekry (22521185)

“…Comprehensive isotherm analysis revealed the Dubinin-Radushkevich model provided the best fit (R² = 0.998), indicating physical adsorption as the predominant mechanism, as the calculated mean free energy (E = 5.00 kJ/mol) falls within the 1–8 kJ/mol range characteristic of physical adsorption. …”

Evaluation of the cementite morphology influence on the hydrogen induced crack nucleation and propagation path in carbon steels by 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 by 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... by 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 by 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 by Hemalatha Parangusan (6556133)

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

Cost-Benefit Analysis of Antimicrobial Stewardship Program in the Adult General Medicine Setting in Qatar by Dina Abushanab (10696501)

“…</p><h3>Methods</h3><p dir="ltr">Patient records were retrospectively reviewed during two periods: premature ASP (i.e. the 12 months following ASP implementation (May 2015-April 2016)), and mature ASP (i.e. the last 12 months of a 5-year ASP implementation in Hamad Medical Corporation (HMC) (February 2019-January 2020)). …”

Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) by Connor, Izumi

“…A hypothetical model calculation was used to estimate how much pCO2 could increase in surface seawater due to various processes after entering through the Strait of Hormuz. …”
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Investigation of the Sustainable Production and Utilization of Biochar and Activated Carbon From Waste by 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 by 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 by 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. …”

Fasting-Mimicking Diet Is Safe and Reshapes Metabolism and Antitumor Immunity in Patients with Cancer by 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. …”