Showing 901 - 920 results of 1,149 for search '"thermodynamic"', query time: 0.06s Refine Results
  1. 901

    Investigating the Adsorption and Corrosion Protection Efficacy and Mechanism of <i>Marjoram</i> Extract on Mild Steel in HCl Medium by Malika Sabiha, Younes Kerroum, Maha El Hawary, Maria Boudalia, Abdelkbir Bellaouchou, Othmane Hammani, Hatem M. A. Amin

    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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    Article
  2. 902

    Algorithms for Solving the Equilibrium Composition Model of Arc Plasma by Zhongyuan Chi, Yuzhang Ji, Ningning Liu, Tianchi Jiang, Xin Liu, Weijun Zhang

    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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  3. 903

    Removal of Ammonium from Aqueous Solutions Using Zeolite Synthesized from Electrolytic Manganese Residue by Changxin Li, Yuan Yu, Qingwu Zhang, Hong Zhong, Shuai Wang

    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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    Article
  4. 904

    Metal and Precursor Effect during 1-Heptyne Selective Hydrogenation Using an Activated Carbon as Support by Cecilia R. Lederhos, Juan M. Badano, Nicolas Carrara, Fernando Coloma-Pascual, M. Cristina Almansa, Domingo Liprandi, Mónica Quiroga

    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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    Article
  5. 905

    Adsorptive Removal of Malachite Green Dye onto Coal-Associated Soil and Conditions Optimization by T. R. Sundararaman, A. Saravanan, P. Senthil Kumar, M. Millicent Mabel, R. V. Hemavathy, S. Karishma, S. Jeevanantham, R. Hemavathi, A. Ishwariya, S. Kowsalya

    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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    Article
  6. 906

    Combining Passive Infrared and Microwave Satellite Observations to Investigate Cloud Microphysical Properties: A Review by Mariassunta Viggiano, Domenico Cimini, Maria Pia De Natale, Francesco Di Paola, Donatello Gallucci, Salvatore Larosa, Davide Marro, Saverio Teodosio Nilo, Filomena Romano

    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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    Article
  7. 907

    Comparison of Two Synthesis Methods for 3D PLA-Ibuprofen Nanofibrillar Scaffolds by Esteban Mena-Porras, Annaby Contreras-Aleman, María Francinie Guevara-Hidalgo, Esteban Avendaño Soto, Diego Batista Menezes, Marco Antonio Alvarez-Perez, Daniel Chavarría-Bolaños

    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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    Article
  8. 908

    Theoretical analysis of expansion process of wet water vapor in working chamber of piston long-stroke linear drive of compressor unit by A. A. Kapelyukhovskaya, G. I. Chernov, A. Yu. Gromov, A. M. Kalashnikov, V. I. Karagusov, A. M. Paramonov

    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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    Article
  9. 909

    Comprehensive Evaluation of Starch and Noodles Quality of Different Sweet Potato Varieties Based on Principal Component Analysis and Cluster Analysis by Mi LUO, Wang YIN, Renju DENG, Yufang GUAN, Mu PAN, Qiaoyu WU, Mei FU

    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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    Article
  10. 910

    A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection by Aleksandra Ivanovska, Sonja Veljović, Biljana Dojčinović, Nenad Tadić, Katarina Mihajlovski, Maja Natić, Mirjana Kostić

    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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    Article
  11. 911

    A Quantum Mermin-Wagner Theorem for a Generalized Hubbard Model by Mark Kelbert, Yurii Suhov

    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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    Article
  12. 912
  13. 913

    Development of New Biosorbent Based on Crosslinked Chitosan Beads with High Brilliant Blue FCF Removal Efficiency by Fatiha Lahgui, Beatriz Delgado Cano, Antonio Avalos Ramirez, Michèle Heitz, Hafida Hadjar, Samia Kaddour

    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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  14. 914

    Drivers of methane-cycling archaeal abundances, community structure, and catabolic pathways in continental margin sediments by Longhui Deng, Longhui Deng, Damian Bölsterli, Clemens Glombitza, Bo Barker Jørgensen, Hans Røy, Mark Alexander Lever, Mark Alexander Lever

    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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  15. 915

    Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness by Jun Wang, Wenpeng Zhao, Dongli Qin, Hongyan Shan, Xiaoman Zhu, Lilan Chen, Ying Liu, Songnan Li

    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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  16. 916

    Prediction and measurement of selected phase transformation temperatures of steels by Martiník O., Smetana B., Dobrovská J., Kalup A., Zlá S., Kawuloková M., Gryc K., Dostál P., Drozdová Ľ., Baudišová B.

    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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  17. 917

    Experimental Operation of a Prototype 750C Advanced Chloride Molten Salt Bellows Valve by Kenneth Armijo, Aaron Overacker, Ansel Blumenthal, Jeffrey Parish, Michael Nelson, Ivica Radman, Javier Martell

    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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    Article
  18. 918

    Seasonally Dependent Daytime and Nighttime Formation of Oxalic Acid Vapor and Particulate Oxalate in Tropical Coastal and Marine Atmospheres by Le Yan, Yating Gao, Dihui Chen, Lei Sun, Yang Gao, Huiwang Gao, Xiaohong Yao

    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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    Article
  19. 919

    Ion irradiation introduced high-density core-shell structured nanoprecipitates in FeCrNi by Yizhou Qian, Xiaolei Ma, Kangkang Wen, Siyu Chen, Yiheng Chen, Yugang Wang, Tongde Shen, Gang Sha, Chenxu Wang

    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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    Article
  20. 920

    Utilizing Local Waste: Sustainable Adsorption of Reactive Blue 235 on Surfactant-Modified Bamboo Fibers by Samriti Vaid, Varinder Kaur, Sanyog Sharma, Anupinder Singh, Bhavna Vaid, Raj Kumar Arya, G. D. Verros

    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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    Article