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181
The Economic Impact of Optimizing a COVID-19 Management Protocol in Pre-Existing Cardiovascular Disease Patients
منشور في 2023"…In the critically ill patients, however, the cost increased from QAR202,094 (USD 55,505) to QAR292,856 (USD 80,433) per patient, with added cost of QAR90,762 (USD 24,928). …"
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182
Factors Affecting the Liquidity of the Qatar Stock Exchange
منشور في 2022"…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. …"
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183
The burden of unintentional drowning: global, regional and national estimates of mortality from the Global Burden of Disease 2017 Study
منشور في 2020"…Global age-standardised mortality rates decreased 57.4%, from 9.3 (8.5 to 10.0) in 1990 to 4.0 (3.8 to 4.1) per 100 000 per annum in 2017. …"
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184
Determinants of Non-Performing Loans in the State of Qatar With Special References to Small and Medium Enterprises
منشور في 2024"…We selected SMEs from Qatar Development Bank (QDB) portfolio for the borrower-specific factors using a questionnaire to explore the SMEs' causes of NPLs. …"
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185
Corrosion Evaluation of 316L Stainless Steel Exposed to CNT-Water Nanofluid
منشور في 2019"…Further increase in the CNTs concentrations and in nanofluid’ temperature showed to decrease the corrosion performance.<p></p>…"
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186
Energy Efficiency of UAV-Based Communication Systems Powered via Energy Harvesting Through Trajectory Optimization
منشور في 2023"…This approach has not only been shown to increase the energy efficiency of the drone but also decrease the carbon footprints.<p></p>…"
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187
Effect of hexagonal on the in-plane crushing behaviour of plain weave composite hexagonal quadruple ring system
منشور في 2019"…The materials have been used to accomplish the studies are the plain weave E-glass fabric and the epoxy resin. …"
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188
Reactive Extrusion of Polyethylene Terephthalate Waste and Investigation of Its Thermal and Mechanical Properties after Treatment
منشور في 2017"…<p dir="ltr">This study investigates treating polyethylene terephthalate (PET) waste water bottles with different mass of ethylene glycol (EG) using reactive extrusion technique at a temperature of 260°C. …"
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189
A new method for improving the solar photovoltaic unit efficiency through neem oil as coolant medium for high power applications—an experimental investigation
منشور في 2024"…The proposed method is explained by the probability of cooling the monocrystalline and polycrystalline structures used as neem oil through an integrated oil container fitted into the unit's backside—the neem oil acts as phase-changing material (PCM). …"
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190
Crumpled MXene nanosheets for sensing of ascorbic acid in food, biological fluids, and erythrocytes in-vitro microenvironment
منشور في 2023"…The developed electrochemical sensor was used to determine the AA in various actual samples such as juice, urine, serum, and erythrocytes spiked with AA with excellent recoveries in the 94–103 % range. …"
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191
Influence of natural gas composition on adsorption in calcite Nanopores: A DFT study
منشور في 2021"…<p dir="ltr">Density functional theory is used to study the adsorption of natural gas components in calcite (10.4) cylindrical nanopores with 1–4 nm diameters. …"
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192
Constitutive Modeling of the Tensile Behavior of Recycled Polypropylene-Based Composites
منشور في 2019"…A physically consistent three-dimensional constitutive model is used to predict the tensile response of non-recycled materials with strain rate dependence. …"
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193
Measurements of roll, steering, and the far-field wake in track cycling
منشور في 2022"…The measured power shows a decrease at the bend entry due to the changing roll angle. …"
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194
Constitutive Modeling of the Tensile Behavior of Recycled Polypropylene-Based Composites
منشور في 2019"…A physically consistent three-dimensional constitutive model is used to predict the tensile response of non-recycled materials with strain rate dependence. …"
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195
Effectiveness of 2D magnesium phosphate hydrogel for surgical decontamination of dental implants: A case series
منشور في 2024"…The findings revealed a statistically significant decrease in probing depth, bleeding on probing, and the number of exposed implant threads following treatment with the magnesium phosphate hydrogel, though the exact role of the hydrogel in these improvements warrants further exploration.…"
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196
A GRASP Approach for Solving Large-Scale Electric Bus Scheduling Problems
منشور في 2021"…The problem is modelled using a mixed integer program (MIP) in which the charging time of an EB is pertinent to the battery’s state-of-charge level. …"
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197
Stability and thermophysical properties test of carbide-derived carbon thermal fluid; a comparison between functionalized and emulsified suspensions
منشور في 2021"…LAMBDA thermal conductivity analyzer, differential scanning calorimeter, and discovery hybrid rheometer were used to evaluate the thermal conductivity, heat capacity and viscosity of the suspensions, respectively. …"
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198
Empirical evaluation of change in crash risk due to lane marking reallocation: A case study in Kochi City, Japan
منشور في 2023"…In addition, the results indicate that the PICUD value tends to decrease (i.e., the crash risk tends to increase) with increasing speed of the following vehicle relative to the leading vehicle. …"
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199
An Improved Genghis Khan Optimizer based on Enhanced Solution Quality Strategy for Global Optimization and Feature Selection Problems
منشور في 2024"…The algorithm presented aims to solve the FS problem and has been assessed using benchmark optimization problems from the CEC’2017 and CEC’2022. …"
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200
Feasibility of a group-based laughter yoga therapy on anxiety and happiness among community-dwelling older adults: A quasi-experimental study
منشور في 2024"…The Geriatric Anxiety Scale and Arabic Scale of Happiness were used to evaluate the participants' anxiety and happiness levels.…"