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441
Formation of Trihalomethanes during Seawater Chlorination
منشور في 2010"…<p dir="ltr">The use of seawater for industrial cooling is a vital technology that poses some of the most profound environmental impact on the water quality in the Arabian Gulf. …"
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442
Structural and physical properties of the dust particles in Qatar and their influence on the PV panel performance
منشور في 2016"…However, even when these characteristics have been addressed appropriately, there are other factors that adversely affect the performance of PV systems, namely the temperature-induced voltage decrease leading to a PV power loss and the dust accumulation (soiling). …"
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443
Multilayer Reversible Data Hiding Based on the Difference Expansion Method Using Multilevel Thresholding of Host Images Based on the Slime Mould Algorithm
منشور في 2022"…As a result, the embedding capacity in each class can increase by reducing the value of the difference between two consecutive pixels, and the distortion of the marked image can decrease after inserting the personal data using the DE method. …"
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444
Solar hydrogen production via thermochemical magnesium oxide – Magnesium sulfate water splitting cycle
منشور في 2020"…Overall analysis confirms that although the rise in the molar flow rate of Ar from 1 to 50 mol/s results in a decrease in the thermal reduction temperature from 1490 K to 1282 K, the solar-to-fuel energy conversion efficiency is adversely affected and reduces from 47.7% to 18.1%. …"
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445
An Improved Genghis Khan Optimizer based on Enhanced Solution Quality Strategy for Global Optimization and Feature Selection Problems
منشور في 2024"…However, these methods tend to converge towards local solutions with a low convergence rate. In order to address this issue in GKSO, a more refined version called I-GKSO is implemented. …"
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446
Ferroelectric Properties and Electrocaloric Effect in Dy2O3 Substitution on Lead-Free (Na0.5 Bi0.5)0.94 Ba0.06TiO3 Ceramic
منشور في 2023"…Higher stability of the ferroelectric (FE) phase was obtained at room temperature for the compositions y = 0.01, 0.02 and 0.05, with optimum values for y = 0.02 as remanent polarization Pr = 32µC/cm2, as well as piezoelectric coefficients d33 = 137 pC/N, kp = 0.27 and kt = 0.16, whereas a higher content of Dy (y = 0.08) induced a remarkable decrease of the ferroelectric and piezoelectric properties. …"
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447
Exploring Beyond Numeric Weight Loss: The Metabolic Effects of Semaglutide.
منشور في 2025"…Also, it enhanced glycemic control, as evidenced by significant reductions in hemoglobin A1C (HbA1c) with the 0.5 mg and 1.0 mg doses. From a baseline range of 8.1–8.7%, 0.5mg dose lowered HbA1c by 1.2–1.5%, while the 1.0 mg dose reduced it by 1.4–1.8%. …"
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448
Investigating the Impact of Salinity Variations on Aerobic Granules and Activated Sludge Flocs: Emphasis on Performance Monitoring and Identification of Influential Salinity Compon...
منشور في 2022"…Consequent to the changes in the extracellular polymeric substances (EPS), there was an immediate decrease in sludge hydrophobicity resulting in a deterioration of settling, indicated by an increase in the sludge volume index (SVI), and loss of biomass for all the reactors. …"
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449
Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows
منشور في 2023"…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …"
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450
Prediction of biogas production from chemically treated co-digested agricultural waste using artificial neural network
منشور في 2020"…An ANN model consists of three layers, 15 neutrons and 260 <i>epochs</i> accurately predict the CMP with 99.1% of data within ±10% deviation of the mean experimental value. The developed model can be used to forecast the CMP as a function of operating temperature, the substrate composition, and chemical dose, and can be used for scaling-up and cost analysis purposes.…"
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451
Photocatalytic deposition of cobalt atoms on two-dimensional nanocomposites as efficient visible-light-driven photocatalysts: Experimental study and intelligent modeling
منشور في 2022"…The Co(76)/TNs /rGO(5) sample recovery and reusage experiments did not show a significant reduction in the photocatalytic performance after five consecutive cycles. …"
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452
Adaptive Effects of Seeing Green Environment on Psychophysiological Parameters When Walking or Running
منشور في 2019"…Study 2 showed that running in a green environment was associated with an increased level of perceived exertion at similar speeds (compared to other color conditions), while exposure to red induced a significant decrease in the level of tension. …"
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453
Investigating the Properties of Electrodeposited of Ni-P-ZrC Nanocomposite Coatings
منشور في 2021"…<p dir="ltr">Superior corrosion resistance along with higher mechanical performance is becoming a primary requirement to decrease operational costs in the industries. …"
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454
New algorithm based active method to eliminate stick-slip vibrations in drill string systems
منشور في 2022"…<p dir="ltr">The drill string is always exposed to various types of vibrations among which, stick slip is one of the most important types. It is a severe state of torsional vibrations. This phenomenon can decrease the rate of penetration of drilling, wear of expensive equipment prematurely and cause catastrophic failures. …"
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455
Evaluation of the cementite morphology influence on the hydrogen induced crack nucleation and propagation path in carbon steels
منشور في 2022"…A drastic load decrease in the load-displacement (L-D) curve happened under −1550 mV charging for both microstructures accompanied by a straight crack growth path in spheroidite microstruc-ture, independent of grain boundaries or ferrite-cementite interfaces while a competition between the shear crack growth mechanism and the interfacial cracking determines the crack growth path in the lamellar microstructure.…"
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456
Grid integration of renewable energy in Qatar: Potentials and limitations
منشور في 2021"…The results show that large-scale installations of renewable energy technologies can decrease the emission rate from electricity production at a relatively lower cost. …"
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457
Dispatchable capacity optimization strategy for battery swapping and charging station aggregators to participate in grid operations
منشور في 2023"…Firstly, we analyze the operation mechanism of a BSCS in the aggregation mode and propose a state transition model for EV batteries. …"
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458
Thermally Conductive Polyethylene/Expanded Graphite Composites as Heat Transfer Surface: Mechanical, Thermo-Physical and Surface Behavior
منشور في 2020"…This enhanced surface wettability was retained over a long time with only a 9% and 18% decrease in RF and corona plasma-treated samples’ surface energy after two months. …"
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459
Loss of FOXA2 induces ER stress and hepatic steatosis and alters developmental gene expression in human iPSC-derived hepatocytes
منشور في 2022"…Functional assays demonstrated an increase in lipid accumulation, bile acid synthesis and glycerol production, while a decrease in glucose uptake, glycogen storage, and Albumin secretion. …"
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460
Hydrogen energy systems: Technologies, trends, and future prospects
منشور في 2024"…<p dir="ltr">This review critically examines hydrogen energy systems, highlighting their capacity to transform the global energy framework and mitigate climate change. Hydrogen showcases a high <u>energy density</u> of 120 MJ/kg, providing a robust alternative to <u>fossil fuels</u>. …"