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461
Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization
منشور في 2021"…The effects of the temperature variation of the geofluid over operation time, the working fluids, the high pressure and the temperatures of the heat source and sink are investigated. …"
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462
Evaluation of The Factors Affecting Microplastics and Nanoparticles in Plastic Water Supply Pipes
منشور في 2020احصل على النص الكامل
doctoralThesis -
463
A nonlinear PID servo controller for computer hard disk drives
منشور في 2020"…A nonlinear PID scheme is proposed as an efficient hard disk drive servo controller, reducing the settling time and lowering the required control effort. The controller is capable of increasing (decreasing) damping effect when the system output is moving away from (towards) the desired track. …"
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article -
464
Changes in Blood microRNA Expression and Early Metabolic Responsiveness 21 Days Following Bariatric Surgery
منشور في 2019"…</p><p dir="ltr"><br></p><h3>Methods: </h3><p dir="ltr">Twenty-nine type 2 patients with severe obesity (mean BMI 46.2 kg/m<sup>2</sup>) and diabetes underwent Roux-en-Y gastric bypass (RYGB) surgery. …"
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465
The impact of metformin therapy for gestational diabetes on fetal growth in women with risk factors for fetal growth restriction- a registry-based study from Qatar
منشور في 2023"…</p> <h3>Conclusion</h3> <p>The results of this study suggest that in women with additional risk factors for FGR, the concurrent use of metformin significantly decreases the birthweight and increases the risk for LBW, SFD, PTB and admission to NICU. …"
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466
Effect of Intravenous Mannitol on Intraocular Pressure Changes in Vitrectomized and Non-Vitrectomized Eyes: A Systematic Review and Meta-Analysis
منشور في 2024"…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. …"
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467
Global fertility in 204 countries and territories, 1950–2021, with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021
منشور في 2024"…The share of livebirths was projected to decline between 2021 and 2100 in most of the six other super-regions—decreasing, for example, in south Asia from 24·8% (23·7–25·8) in 2021 to 16·7% (14·3–19·1) in 2050 and 7·1% (4·4–10·1) in 2100—but was forecast to increase modestly in the north Africa and Middle East and high-income super-regions. …"
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article -
468
The effect of microbiome therapy on COVID-19-induced gut dysbiosis: A narrative and systematic review
منشور في 2024"…These interventions reduced mortality rates, decreased hospital stays, improved oxygen saturation levels, alleviated gastrointestinal symptoms, enhanced immune response, and improved cognition.…"
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469
Kefir exhibits anti‑proliferative and pro‑apoptotic effects on colon adenocarcinoma cells with no significant effects on cell migration and invasion
منشور في 2014"…To assess the effect of kefir on cancer metastasis, wound‑healing and time‑lapse movies, in addition to collagen‑based invasion assay, were used. …"
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article -
470
Adopting Geophysical Testing Techniques in Geotechnical Investigation and Shallow Foundation Design
منشور في 2018احصل على النص الكامل
doctoralThesis -
471
Stabilization of Sandy Soil Against Internal Erosion Using Lime
منشور في 2021احصل على النص الكامل
doctoralThesis -
472
Breaking the barriers towards large-scale microalgae-based bio-hydrogen production
منشور في 2025"…The review synthesized quantitative evidence (2000–2025) from techno-economic and life-cycle studies and pilot demonstrations covering wastewater integration, flue-gas CO<sub>2</sub> utilization, immobilized cultivation, hybrid ORP–PBR operation, and biorefinery co-products. …"
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473
Chemical, rheological, and sensory properties of wheat biscuits fortified with local buckwheat
منشور في 2023"…The additional increment enhanced the arrival time, dough development time, dough stability, the mixing tolerance index, and weakening. …"
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474
Clinical characteristics and outcome of children with acute cryptorchid testicular torsion: A single-center, retrospective case series study
منشور في 2024"…The median age of patients at the time of the surgery was 65 months (interquartile range (IQR) 4–136 months). …"
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475
Nonlinear Control of Brushless Dual-Fed Induction Generator With a Flywheel Energy Storage System for Improved System Performance
منشور في 2025"…After optimization, the SMC settling time was significantly reduced from 0.7 seconds to 19.97 milliseconds, achieving a 96.9% improvement in response speed, while its steady-state error decreased from 0.48 to 0.06, marking an 87.5% reduction in tracking error. …"
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476
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477
Cost-Benefit Analysis of Antimicrobial Stewardship Program in the Adult General Medicine Setting in Qatar
منشور في 2024"…</p><h3> Results</h3><p dir="ltr">The operational costs of the program decreased with maturity by cost savings of QAR125 per 100-patient beds per year. …"
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478
Conceptual Skills in Leading Change: A Competence Approach to Public Sector Leadership
منشور في 2019"…These interpretive cognitive acts of meaning construction by leaders and followers include significant elements of conceptual thinking and explanation. …"
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479
Implementation of corporate governance rules and procedures in lebanese firms
منشور في 2014"…It also helps the organization to determine the means to achieve its objectives and monitor its performance. …"
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article -
480
The Sources of Variance in the Helsinki Stock Exchange
منشور في 2017"…Furthermore, inserting the ratio of volume expectation to duration expectation in the ARMA model and the vector error correction (VEC) model, we find that the short-term variance increases (decreases) when more (less) than 1 unit share is traded for 1 unit time.…"
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