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541
Synthesis and characterization of stir casted Cu-ZrO2-Graphite hybrid metal matrix composites for thermal management structures
Published 2022“…ZrO2 and Graphite reinforcements were added (0.5–0.5, 1.0–1.0, 1.5–1.5 and 2.0–2.0 wt %) in the four composite samples prepared via stir casting. …”
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542
Short-term greenhouse emission lowering effect of biochars from solid organic municipal wastes
Published 2018“…Two biochars produced from mixed materials at 300–500 °C for 2 h and used at 0.5–1% application rate performed the best in enhancing soil fertility parameters. …”
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543
Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
Published 2021“…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300 �C for 4 h to form the ruthenium oxide nanoparticles. …”
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544
Optimal Design of Cogeneration Systems Based on Flaring and Venting Streams and Accounting for the Involved Uncertainty
Published 2017“…This paper proposes a solution approach that enables to determine cumulative probability curves to give to decision makers a useful tool to know the financial risk related to the implementation of the proposed system, and the results show that the proposed system is a suitable option to reduce carbon dioxide emissions and to decrease the operating costs. 1 2017 Elsevier B.V.…”
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545
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546
Enhanced quality factor of polyvinyl formal (PVF) based nanocomposites filled with zinc oxide and carbon black nanoparticles for wireless sensing applications
Published 2019“…The incorporation of ZnO at 10% decreases Q-factor to 36.1. Incorporation of CBNP at 5% and ZnO at 5% further reduces the Q-factor to 13.7. …”
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547
Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes
Published 2021“…In contrast, expected changes in atmospheric N deposition will decrease the mid-term mass loss of high-quality litter by 1.4-2.2% and that of low-quality litter by 0.9-1.5% in the temperate biome. …”
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548
Association between Insulin and Nitric Oxide in Human Retinal Microvascular Endothelial Cells in vitro
Published 2016“…In conclusion, this study demonstrated that Hyperglycemia causes an increase in ROS/oxidative stress and apoptosis, while insulin promotes a significant decrease in ROS and apoptosis, eNOS mediated NO production increases with hyperglycemia but remarkably decreases with insulin treatment after 1 hour, 2 hours and 4 hours, insulin could counteract the hyperglycemic effect on AKT/pI3 kinase which mediates NO production and VEGF-A, decreased adhesion molecules p-selectin involved in barrier disorder of retinal endothelial cells. …”
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549
Performance assessment of inductive power transfer for railway applications
Published 2015“…The practical implementation has been conducted at a rated voltage of 100V DC at 50kHz and input power of 80W. …”
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550
Effects of Turbulence Intensity and Biogas Composition on the Localized Forced Ignition of Turbulent Mixing Layers
Published 2019“…This probability is larger than the one of finding positive values for the cases failing to reach a self-sustained flame propagation without the energy deposition assistance. …”
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551
Is there truly an increase in risk of cardiovascular and hematological adverse events with vascular endothelial growth factor receptor tyrosine kinase inhibitors?
Published 2020“…The outcome of interest was re-defined as the complementary outcome (i.e. remaining free of an adverse event). The inverse variance heterogeneity model was used to pool the effect size. …”
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552
Backfilling Shaft Surround Using Recycled Concrete Waste Material
Published 2023“…The Public Works Authority, Qatar (Ashghal) has acknowledged that using available domestic sources to produce quality aggregate by recycling pavements, construction and demolition waste, and industry by-products is beneficial when natural sources are getting depleted. One of the projects exploring the possibility of utilizing the recycled concrete waste as surround backfill material is Contract C853/1 named the Wakrah-Wukair Drainage Network Branches (WWDNB). …”
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553
Development of Semitransparent UV Photodetector Based on PTB7-Th:PCBM Composite Using the Cost-effective Fabrication Method
Published 2021“…The variation in UV intensity (0 to 20,000 pW/cm2) and frequency (100 Hz, 1 kHz, 10 kHz, 100 kHz, and 200 kHz) was carried out, and variation of impedance and capacitance has been studied. …”
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554
25-Hydroxyvitamin D serum levels inversely correlate to disease severity and serum C-reactive protein levels in patients with hidradenitis suppurativa
Published 2021“…Subsequently, Guillet et al.5 described an association between vitamin D deficiency and HS severity, also reporting a significant decrease of the inflammatory nodules in patients supplemented with vitamin D. …”
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555
Age-Related Differences of the Athlete`s Heart
Published 2013“…In the 36-55 yr. age range physically active persons showed a higher E/A quotient than passive persons (1.574 ± 0.186 vs. 1.383 ± 0.069, p = 0.0327). …”
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556
Origanum Syriacum Inhibits Proliferation, Migration, Invasion and Induces Differentiation of Human Aortic Smooth Muscle Cells
Published 2014“…A major risk factor of CVDs is atherosclerosis, the hardening of blood vessels caused by decreased diameter and formation of plaque. …”
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557
Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles
Published 2021“…The observed %Roil at a pH of 4 and Csur of 0.05 g/L was observed to be > 90 ± 0.1% and decreased by either rising the pH to 7 or increasing the Csur to 0.1 g/L. …”
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558
Thermo-economic assessment of forward osmosis as pretreatment to boost the performance and sustainability of multi-effect distillation for seawater desalination
Published 2022“…If high-performing and cost-effective membranes are used, the product cost could be reduced 33 % (5.1 $/m3).…”
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559
Reinforcement of polyacrylamide-co-tert-butyl acrylate base gel using nanosilica for conformance control at low and high reservoir temperatures
Published 2020“…Therefore, this study introduces a new polymeric formulation that serves as a water shut-off agent for reservoirs at low and high temperatures. …”
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560
Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
Published 2023“…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …”
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