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Mixed precision iterative refinement with adaptive precision sparse approximate inverse preconditioning
منشور في 2025"…<p dir="ltr">Hardware trends have motivated the development of mixed precision algorithms in numerical linear algebra, which aim to decrease runtime while maintaining acceptable accuracy. …"
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Small-Signal Stability Analysis and Parameters Optimization of Virtual Synchronous Generator for Low-Inertia Power System
منشور في 2025"…These results quantitatively validate that proper VSG gain tuning can significantly enhance dynamic performance and frequency stability in inertia-constrained grids. …"
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Serum 25-hydroxyvitamin D concentrations are inversely associated with body adiposity measurements but the association with bone mass is non-linear in postmenopausal women
منشور في 2021"…In a continuous variable analysis, the association between 25(OH)D and bone mass was significant, non-linear, inverse ‘U’. In conclusion, serum 25-hydroxyvitamin D was inversely associated with adiposity measures and non-linearly associated to bone mass in postmenopausal Qatari women.…"
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Serum 25-hydroxyvitamin D concentrations are inversely associated with body adiposity measurements but the association with bone mass is non-linear in postmenopausal women
منشور في 2021"…In a continuous variable analysis, the association between 25(OH)D and bone mass was significant, non-linear, inverse ‘U’. In conclusion, serum 25-hydroxyvitamin D was inversely associated with adiposity measures and non-linearly associated to bone mass in postmenopausal Qatari women.…"
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Analyzing the Influence of Climate and Anthropogenic Development on Vegetation Cover in the Coastal Ecosystems of GCC
منشور في 2025"…Our results revealed significant changes in land cover, as seen by an increase in artificial built-up areas by 15.5% in two decades and a corresponding decrease in bareland and dense vegetation. …"
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Optimizing Energy Consumption In Cloud Datacenters
منشور في 2024احصل على النص الكامل
doctoralThesis -
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Modified Elite Opposition-Based Artificial Hummingbird Algorithm for Designing FOPID Controlled Cruise Control System
منشور في 2023"…This study proposes a novel approach for designing a fractional order proportional-integral-derivative (FOPID) controller that utilizes a modified elite opposition-based artificial hummingbird algorithm (m-AHA) for optimal parameter tuning. Our approach outperforms existing optimization techniques on benchmark functions, and we demonstrate its effectiveness in controlling cruise control systems with increased flexibility and precision. …"
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Qatar’s immigrants at higher risk of diabetes
منشور في 2015"…The researchers stress, however, that their preliminary results should be confirmed in future studies involving larger numbers of participants. 1 “We would advise the Qatari government to screen all immigrants entering the country, as this would decrease the risk of unnecessary complications due to the late diagnosis of diabetes,” says lead author Dennis Mook-Nakamori. …"
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β-2-himachalen-6-ol protects against skin cancer development in vitro and in vivo
منشور في 2017"…Also, there was a significant decrease in p-Erk and p-Akt protein levels. …"
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Effect of temperature on the rheological properties of neat aqueous Wyoming sodium bentonite dispersions
منشور في 2017"…The Bingham yield stress, from the low shear rate data, increased linearly with temperature, while the plastic viscosity decreased with temperature, in a manner very similar to the decrease of water viscosity with temperature. …"
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Renewable Energy, Coal as a Baseload Power Source, and Greenhouse Gas Emissions: Evidence from U.S. State-Level Data
منشور في 2017"…After controlling for other sources of emissions, U.S. states that produce a larger share of renewable energy are found to have lower GHG emissions. …"
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Nonlinear Control of Brushless Dual-Fed Induction Generator With a Flywheel Energy Storage System for Improved System Performance
منشور في 2025"…SC is selected for its ability to handle parametric and nonparametric uncertainties, offering a robust solution that ensures fast response times and asymptotic stability across varying operating conditions. To optimize parameter tuning within the control system, the Grasshopper Optimization Algorithm (GOA) is applied, ensuring optimal performance of the proposed framework. …"
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Minimizing Traffic Congestion through V2V Communication
منشور في 2018احصل على النص الكامل
doctoralThesis -
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A flexible genetic algorithm-fuzzy regression approach for forecasting: The case of bitumen consumption
منشور في 2019"…Design/methodology/approach In the proposed approach, the parameter tuning process is performed on all parameters of genetic algorithm (GA), and the finest coefficients with minimum errors are identified. …"
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Self-reported awareness and attitude of cancer patients towards clinical nurse coordinators
منشور في 2017"…Results: The overall percentage mean scores ± standard deviation of knowledge was 59 ± 17, perception towards clinical nurse coordinators (79 ± 14) and attitude towards seeking their services (69 ± 16). Linear regression showed that participants on chemotherapy had significantly better perception (higher scores) compared to participants on concurrent therapies (β = -3.91, p = .049). …"
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Defense against adversarial attacks: robust and efficient compressed optimized neural networks
منشور في 2024"…First, introducing a pioneering batch-cumulative approach, the exponential particle swarm optimization (ExPSO) algorithm was developed for meticulous parameter fine-tuning within each batch. A cumulative updating loss function was employed for overall optimization, demonstrating remarkable superiority over traditional optimization techniques. …"
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Total hip arthroplasty: Evolution of the use of dual mobility cups in Lebanon
منشور في 2018"…Recurrent dislocation, being a major reason for revision total hip arthroplasty (THA), was found to decrease significantly using dual mobility cup (DMC) compared to standard cups (SC), and that in both primary and revision THA. …"
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