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901
Investigating the Adsorption and Corrosion Protection Efficacy and Mechanism of <i>Marjoram</i> Extract on Mild Steel in HCl Medium
Published 2025-01-01“…EIS revealed that the charge transfer mechanism is the main controlling factor for the corrosion process. The thermodynamic parameters suggested a key role of <i>OML</i> physisorption in inhibition, following the Langmuir isotherm. …”
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902
Algorithms for Solving the Equilibrium Composition Model of Arc Plasma
Published 2024-12-01“…In the present study, the Homotopy Levenberg−Marquardt Algorithm (HLMA) and the Parameter Variation Levenberg–Marquardt Algorithm (PV–LMA), both developed in the context of high-temperature composition, are proposed to address the equilibrium composition model of plasma under the condition of local thermodynamic and chemical equilibrium. This model is essentially a nonlinear system of weakly singular Jacobian matrices. …”
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903
Removal of Ammonium from Aqueous Solutions Using Zeolite Synthesized from Electrolytic Manganese Residue
Published 2020-01-01“…Moreover, calculation of thermodynamic parameters such as change in free energy (ΔG), enthalpy (ΔH), and entropy (ΔS) was carried out and it was determined to be −15.77∼−14.03 kJ·mol−1, +37.66 kJ·mol−1, and +173.38 J·mol−1·K−1, respectively. …”
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904
Metal and Precursor Effect during 1-Heptyne Selective Hydrogenation Using an Activated Carbon as Support
Published 2013-01-01“…The order for the selectivity to 1-heptene is as follows: PdClRX = PdNRX > RuClRX > PtClRX, and it can be mainly attributed to thermodynamic effects.…”
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905
Adsorptive Removal of Malachite Green Dye onto Coal-Associated Soil and Conditions Optimization
Published 2021-01-01“…The evaluation of kinetic studies was performed by using three different kinetic models, where it exposed that pseudofirst order providing the best fit with R2 value of 0.96 (25 to 150 mg/L). The thermodynamic parameters Gibbs free energy (ΔG°), entropy (ΔS°), and enthalpy (ΔH°) were endorsing that the present adsorption system was exothermic. …”
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906
Combining Passive Infrared and Microwave Satellite Observations to Investigate Cloud Microphysical Properties: A Review
Published 2025-01-01“…Clouds play a key role in the Earth’s radiation budget, weather, and hydrological cycle, as well as the radiative and thermodynamic components of the climate system. Spaceborne observations are an essential tool to detect clouds, study cloud–radiation interactions, and explore their microphysical properties. …”
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907
Comparison of Two Synthesis Methods for 3D PLA-Ibuprofen Nanofibrillar Scaffolds
Published 2025-01-01“…TGA and DSC analyses confirmed the thermodynamic stability of the scaffolds and enthalpy changes consistent with IBU incorporation, which FT-IR and UV-Vis validated. …”
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908
Theoretical analysis of expansion process of wet water vapor in working chamber of piston long-stroke linear drive of compressor unit
Published 2022-03-01“…The study is carried out on the basis of the developed mathematical model, which includes both the basic thermodynamic equations and the equations describing the process of heat exchange of the working substance with the walls of the working chamber during the expansion process. …”
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909
Comprehensive Evaluation of Starch and Noodles Quality of Different Sweet Potato Varieties Based on Principal Component Analysis and Cluster Analysis
Published 2025-02-01“…Their starch composition, particle size, molecular polymerization, thermodynamic characteristics, gelatinization properties, and noodles quality indexes were determined and analyzed. …”
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910
A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection
Published 2021-01-01“…Good compliance with pseudo-second kinetic order indicated that cadmium adsorption was mediated by chemical forces. Thermodynamic parameters revealed the spontaneous and exothermic character of cadmium ion adsorption onto mulberry and myrobalan plum. …”
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911
A Quantum Mermin-Wagner Theorem for a Generalized Hubbard Model
Published 2013-01-01“…The result of the paper is that any (appropriately defined) Gibbs states generated by the above Hamiltonian is G-invariant, provided that the thermodynamic variables (the fugacity z and the inverse temperature β) satisfy a certain restriction. …”
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912
Evaluation of porphyrin molecules as effective corrosion inhibitors for copper alloy in sulfuric acid using both experimental and computational approaches
Published 2025-02-01“…Additionally, some thermodynamic activation parameters were determined and discussed. …”
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913
Development of New Biosorbent Based on Crosslinked Chitosan Beads with High Brilliant Blue FCF Removal Efficiency
Published 2025-01-01“…The biosorption of Brilliant Blue FCF dye in chitosan beads crosslinked with epichlorohydrin was well described by the Langmuir isotherm and followed an adsorption kinetic of pseudo second order. The thermodynamic parameters indicate a spontaneous biosorption process. …”
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914
Drivers of methane-cycling archaeal abundances, community structure, and catabolic pathways in continental margin sediments
Published 2025-02-01“…Focusing on four continental margin sites of the North Sea-Baltic Sea transition, we here investigate the in situ drivers of methane-cycling archaeal community structure and metabolism based on geochemical and stable carbon-isotopic gradients, functional gene (mcrA) copy numbers and phylogenetic compositions, and thermodynamic calculations. We observe major changes in community structure that largely follow vertical gradients in sulfate concentrations and lateral gradients in organic carbon reactivity and content. …”
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915
Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness
Published 2025-01-01“…Surface hydrophobicity, thermodynamic properties, and mechanical characteristics of ZA-FF were significantly improved, attributable to changes in their secondary and crystal structures from the interaction of Z and A. …”
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916
Prediction and measurement of selected phase transformation temperatures of steels
Published 2017-01-01“…The data obtained were verified by statistical evaluation and compared with computational thermodynamic and empirical calculations. The calculations were performed using 15 empirical equations obtained by literature research (10 for TL and 5 for TS), as well as by software InterDendritic Solidification (IDS) and Thermo-Calc (2015b, TCFE8; TC). …”
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917
Experimental Operation of a Prototype 750C Advanced Chloride Molten Salt Bellows Valve
Published 2025-02-01“…Valve test results from this study assessed Cv curves as well as multiple actuator cycles, under varying thermodynamic and operational mode conditions, which would be characteristic within a commercial molten salt facility. …”
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918
Seasonally Dependent Daytime and Nighttime Formation of Oxalic Acid Vapor and Particulate Oxalate in Tropical Coastal and Marine Atmospheres
Published 2025-01-01“…The concentrations of oxalate in PM<sub>2.5</sub> were comparable to those of oxalic acid vapor, but exhibited (3–7)-day variations, superimposed on diurnal fluctuations to varying degrees. Additionally, thermodynamic equilibrium calculations were performed on the coastal data, and independent size distributions of particulate oxalate in the upwind marine atmosphere were analyzed to support the findings.…”
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919
Ion irradiation introduced high-density core-shell structured nanoprecipitates in FeCrNi
Published 2025-03-01“…This synthesis method overcomes traditional limitations posed by thermodynamic constraints and grain boundary (GB) agglomeration, providing a potential pathway for the precise tailoring of microstructures. …”
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920
Utilizing Local Waste: Sustainable Adsorption of Reactive Blue 235 on Surfactant-Modified Bamboo Fibers
Published 2024-01-01“…The magnitude of E obtained from Dubinin–Radushkevich isotherm varying from 3.92 to 4.66 kJ/mol on increasing temperature from 298 K to 318 K suggests that adsorption of RB235 on BAT is a physisorption (value of E is between 1 and 8 kJ/mol). Delving into the thermodynamic aspects of the process, we calculated ΔH and ΔS to be 54.88 kJ/mol and 184.54 J/mol/K, respectively. …”
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