Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization حسب Mohammed Al-Khawaja (17093017)

"…The geothermal loop drives the power and cooling loops of a thermo-mechanical refrigeration (TMR) system consisting of expander-compressor units (ECUs). The system advantages lie in its simple, flexible, and low-cost design as well as in its ability to be driven by a low-temperature heat source (as low as 60 °C). …"

Finding novel targets for the treatment and reversal of type 2 diabetes mellitus and obesity حسب Imran Ramzan (15430807)

"…Individually, both valine (245 ± 33 to 105 ± 23 µmol/L; p < 0.0001), and leucine (130 ± 20 to 75 ± 13 µmol/L; p < 0.05), decreased significantly in response to the BCAA-restricted diet. …"

Global burden and strength of evidence for 88 risk factors in 204 countries and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2... حسب Michael, Brauer

"…Estimates reported represent the mean value across 500 draws from the estimate's distribution, with 95% uncertainty intervals (UIs) calculated as the 2·5th and 97·5th percentile values across the draws. …"
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A Case Study in Qatar for Optimal Energy Management of an Autonomous Electric Vehicle Fast Charging Station with Multiple Renewable Energy and Storage Systems حسب Abdulla Al Wahedi (17115613)

"…This interest has focused mainly on reducing the reliance on fossil fuel-based means of transportation and decreasing the harmful emissions produced from this sector. …"

Optimization of Community Integrated Energy System for the State of Qatar Towards Sustainable Development حسب Abdelrahman Mahmoud Ahmed Moursi (22674269)

"…The findings provide a pathway for sustainable urban planning and energy system design, reinforcing the significance of integrated energy solutions in achieving national targets.…"

Pilot testing of a novel Multi Effect Distillation (MED) technology for seawater desalination حسب Shahzada Aly (17191465)

"…Both the pilot testing and the simulation results confirm the features of the novel design of the MED. By implementing this invention's design, the heat transfer area has been decreased and accordingly, the capital cost of the evaporator is reduced by 20%. …"

The Effect of Soy Isoflavones on Steroid Metabolism حسب Amanda C. Swart (18153814)

"…</p><h3>Results</h3><p dir="ltr">SPI decreased serum dehydroepiandrosterone sulfate (DHEAS) levels in both men and women (P < 0.01), with decreased androstenedione (A4) (P < 0.01) in women not observed in men (P < 0.86). …"

Dynamic Properties of Water Confined in Graphene-Based Membrane: A Classical Molecular Dynamics Simulation Study حسب One-Sun Lee (1291293)

"…We believe that our simulation results would be a significant contribution for designing a new graphene-based membrane for desalination.…"

Comparing the Performance of a Straight-Channel Heat Sink with Different Channel Heights: An Experimental and Numerical Study حسب Mahsa Hajialibabaei (19437967)

"…This study aims to enhance the thermal performance of a straight-channel heat sink while decreasing the pressure drop. In this design, the height of inside channels is reduced to provide open space above the channel while the size of the heat sink remains constant. …"

Thermal energy storage with phase change materials to increase the efficiency of solar photovoltaic modules حسب Torsten Klemm (19691671)

"…The results show that, compared to the case without PCM module, the peak temperature of the solar module for a daily cycle can be decreased by approximately 20 K by an adequate design with a limited usage of metallic structure. …"

Effect of Intravenous Mannitol on Intraocular Pressure Changes in Vitrectomized and Non-Vitrectomized Eyes: A Systematic Review and Meta-Analysis حسب HASHEM ABU SERHAN (19737499)

"…In vitrectomized eyes, notable decreases were observed: at 30 min, the Ratio of Means (ROM) was 0.81 (95% CI: 0.53; 1.24), indicating a 19% reduction; at 60 min, the ROM of 0.833 (95% CI: 0.77; 0.89) showed a 16.7% reduction; at 90 min, the ROM of 0.757 (95% CI: 0.755; 0.758) corresponded to a 24.3% reduction; at 2 h, the ROM of 0.726 (95% CI: 0.642; 0.820) reflected a 27.4% reduction; at 3 h, the ROM of 0.692 (95% CI: 0.600; 0.797) resulted in a 30.8% reduction; and at 4 h, the ROM of 0.700 (95% CI: 0.363; 1.350) indicated a 30% reduction. …"

Hardware Trojan Mitigation Technique in Network-on-Chip (NoC) حسب Musharraf Hussain (17541498)

"…In this study, we implement a countermeasure to congeal the network-on-chip hardware design in order to prevent changes from being made to the network-on-chip design. …"

Characterization of Electronic and Ionic Transport in Li_1-_<em>x</em>Ni_0.33Mn_0.33Co_0.33O₂(NMC₃₃₃) and Li... حسب Ruhul Amin (2113627)

"…These properties are crucial for designing high energy density and high power Li-ion batteries. …"

‘The newest vital sign among pregnant women attending women wellness and research Centre in Qatar: a cross-sectional study’ حسب Sarah Naja (9954737)

"…<h2>Background</h2> <p>Health literacy is a vital strategy to consider when designing health-promoting programs, and health literacy is a priority in Qatar’s national health agenda. …"

Underrepresentation of racial and ethnic minorities in cascade testing for hereditary cancer syndromes حسب Muhammad Danyal Ahsan (14488278)

"…Cascade testing is critical as relatives found to carry a pathogenic gene variant have the opportunity to pursue targeted cancer risk reduction and early detection, decreasing cancer-associated morbidity and mortality. …"

Improving the performance of a commercial absorption cooling system by using ejector: A theoretical study حسب Hamza K. Mukhtar (17821004)

"…It was found that the increase in the ambient temperature not only increased the activation temperature, but it also decreased the COP and increased the circulation ratio (CR). …"

Non-Isolated DC–DC Power Converter With High Gain and Inverting Capability حسب Mohammad Meraj (16855401)

"…To reduce the ripple in the input current with simultaneous decreasing the input current ripple, a novel current fed interleaved high gain converter is proposed by utilizing the interleaved front-end structure and Cockcroft Walton (CW)-Voltage Multiplier (VM). …"

Self-assembly of Pseudo-Dipolar Nanoparticles at Low Densities and Strong Coupling حسب Mariano E. Brito (18622741)

"…<p dir="ltr">Nanocolloids having directional interactions are highly relevant for designing new self-assembled materials easy to control. …"

Driving against the clock: Investigating the impacts of time pressure on taxi and non-professional drivers’ safety and compliance حسب Qinaat Hussain (15294164)

"…<p>Drivers often encounter time pressure, which can lead to riskier driving habits, decreased safety margins, and a higher chance of accidents. …"

Characteristics of aerosols and planetary boundary layer dynamics during biomass burning season حسب Muhammad Zeeshaan Shahid (18131689)

"…The planetary boundary layer (PBL) height, measured with Ceilometer LIDAR, showed decreasing trend in height from October to December that support aerosol accumulation near the surface during the the month of November. …"