Showing 841 - 860 results of 1,149 for search '"thermodynamics"', query time: 0.06s Refine Results
  1. 841

    Non-linear equation of motion for higher curvature semiclassical gravity by Naman Kumar

    Published 2025-02-01
    “…We derive the non-linear semiclassical equation of motion for a general diffeomorphism-invariant theory of gravity by leveraging the thermodynamic properties of closed causal horizons. Our work employs two complementary approaches. …”
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    Article
  2. 842

    Adaptive Time-Stepping Using Control Theory for the Chemical Langevin Equation by Silvana Ilie, Monjur Morshed

    Published 2015-01-01
    “…A critical stochastic model of well-stirred biochemical systems in the regime of relatively large molecular numbers, far from the thermodynamic limit, is the chemical Langevin equation. …”
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    Article
  3. 843

    Copper-Doped Zinc Oxide Nanoparticles: Synthesis, Characterization, and Application for Adsorptive Removal of Toxic Azo Dye by Bandela Sowjanya, Pulipati King, Meena Vangalapati, Venkata Ratnam Myneni

    Published 2023-01-01
    “…The kinetic findings fit the pseudo-second-order kinetic equation, and the equilibrium data agreed with the Langmuir isotherm (maximum uptake capacity qmax = 250 mg/g). During the thermodynamic experiments, endothermic, spontaneous, and physical adsorptions were observed.…”
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  4. 844

    Analysis of Bismuth (III) Iodide and Dendrimers in Drug Applications by Shahid Amin, M. A. Rehman, Amir Naseem, Jihad Younis, Syed Sheraz Asghar

    Published 2022-01-01
    “…A topological index (TI) is a mathematical function that assigns a numerical value to a (molecular) graph and predicts many physical, chemical, biological, thermodynamical, and structural features of that network. …”
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    Article
  5. 845

    Platinum Nanoparticles Loaded on Activated Carbon as Novel Adsorbent for the Removal of Congo Red by M. Ghaedi, S. J. Hossaini, S. Ramezani

    Published 2012-01-01
    “…Adsorption experiments indicate that the extent of adsorption is strongly dependent on pH of solution. Thermodynamic parameters like Free energy of adsorption, enthalpy and entropy changes were calculated to know the nature of adsorption. …”
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    Article
  6. 846

    Statistical mechanics and machine learning of the α-Rényi ensemble by Andrew Jreissaty, Juan Carrasquilla

    Published 2025-01-01
    “…Our work highlights the potential opportunities and limitations associated with the use of the α-Rényi ensemble formalism in probing the thermodynamic equilibrium properties of classical and quantum systems.…”
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  7. 847

    On Topological Analysis of Niobium (II) Oxide Network via Curve Fitting and Entropy Measures by Muhammad Kamran Siddiqui, Sana Javed, Sadia Khalid, Mazhar Hussain, Muhammad Shahbaz, Samuel Asefa Fufa

    Published 2022-01-01
    “…Additionally, each topological index is related with thermodynamical properties of niobium (II) oxide, including entropy and enthalpy. …”
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    Article
  8. 848

    Adsorption of cationic dyes on activated carbon obtained from waste stone by Ünal Geçgel, Osman Üner, Güney Gökara, Yüksel Bayrak

    Published 2016-12-01
    “…The EAC adsorption curves of MB, RB, and MG follow a pseudo second-order kinetic model, and the calculated thermodynamic parameters, i.e., Δ G °, Δ H °, and Δ S° revealed that the synthetic dye adsorptions from aqueous solution were endothermic and spontaneous.…”
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  9. 849

    Heating up holography for single-trace J T ¯ $$ J\overline{T} $$ deformations by Luis Apolo, Wei Song

    Published 2020-01-01
    “…Abstract We study thermodynamic aspects of a tractable toy model of holography for extremal Kerr black holes proposed in [1]. …”
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  10. 850

    Electrosynthesis of Titanium Alloys from Spent SCR Catalysts by Long Zheng, Jiahao Jin, Zongying Cai, Xiangpeng Li, Qi Zhu, Weigang Cao

    Published 2025-01-01
    “…A systematic investigation was carried out via experimental analysis and thermodynamic calculation. The results show that high-temperature pretreatment induces the aggregation of W and the formation of CaWO<sub>4</sub>. …”
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  11. 851

    The mechanism of sulfidation roasting pretreatment of cerussite for enhanced flotation behavior by Yu Miao, Wanting Yang, Xuemin Ding, Jiarui Min, Bao Guo, Xiangxiang Chen, Chun Yu

    Published 2025-03-01
    “…In this paper, we firstly demonstrate that pyrite(FeS2) can provide a sulfurous atmosphere to convert cerussite(PbCO3) into galena(PbS) through thermodynamic calculations. Then, the reaction conditions were optimized through the roasting sulfidation conditions such as the contact mode, time and temperature of the reaction, and the sulfidation mechanism of cerussite at high temperature roasting was studied by using XRF, XRD, SEM and XPS. …”
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  12. 852

    Theoretical Investigation on the Solubilization in Water of Functionalized Single-Wall Carbon Nanotubes by Michael Mananghaya, Emmanuel Rodulfo, Gil Nonato Santos, Al Rey Villagracia

    Published 2012-01-01
    “…Binding was found out to be thermodynamically favorable. The functionalization increases the electrical dipole moments and results in an enhancement in the solubility of the nanotubes in water manifested through favorable changes in the free energies of solvation. …”
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  13. 853

    Radar Characterization of Salt Layers in Europa's Ice Shell as a Window Into Critical Ice‐Ocean Exchange Processes by N. S. Wolfenbarger, D. D. Blankenship, D. A. Young, K. M. Scanlan, C. J. Chivers, D. Findlay, G. B. Steinbrügge, K. Chan, C. Grima, K. M. Soderlund, D. M. Schroeder

    Published 2025-01-01
    “…Furthermore, because these features are thermodynamically stable within the minimally attenuating portion of Europa's ice shell, referred to here as the “pellucid region,” they could produce brighter reflections than deeper liquid water interfaces. …”
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  14. 854

    Experiment and Simulation Study on the Special Phase Behavior of Huachang Near-Critical Condensate Gas Reservoir Fluid by Dali Hou, Yang Xiao, Yi Pan, Lei Sun, Kai Li

    Published 2016-01-01
    “…In addition to the experimental studies, a commercial simulator combined with the PREOS model was utilized to study retrograde condensate characteristics and reevaporation mechanism of condensate oil with CO2 injection based on vapor-liquid phase equilibrium thermodynamic theory. The research shows that when reservoir pressure drops below a certain pressure, the variation of retrograde condensate liquid saturation of the residual reservoir fluid exhibits the phase behavior of volatile oil.…”
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  15. 855

    Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous So... by Nguyen Duc Vu Quyen, Tran Ngoc Tuyen, Dinh Quang Khieu, Ho Van Minh Hai, Dang Xuan Tin, Bui Thi Hoang Diem, Le Van Thanh Son, Nguyen Thi Kieu Diem, Le Thi Nguyet, Bui Thi Thuy, Ho Thi Thuy Dung

    Published 2023-01-01
    “…Pseudo-second-order kinetic model and Weber–Morris intraparticle diffusion model well describe the chemical nature of the adsorption. The thermodynamic parameters of the reaction are determined based on the Van’t Hoff equation.…”
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  16. 856

    African Easterly Waves and Cyclonic Activity over the Eastern Atlantic: Composite and Case Studies by Moctar Camara, Arona Diedhiou, Amadou Gaye

    Published 2011-01-01
    “…A case study using rawinsonde data showed that the developing AEW is associated with dynamic and thermodynamic conditions conducive for deep convection and subsequent cyclogenesis compared to the non-developing AEW case.…”
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  17. 857

    Amino Acid-Doped Polyaniline Nanotubes as Efficient Adsorbent for Wastewater Treatment by Zhao Zhao, Yimin Yang, Longfei Xu, Zihan Qiu, Ziheng Wang, Yongfeng Luo, Kun Du

    Published 2022-01-01
    “…The adsorption data for the former were found to be well described by the pseudo-first-order kinetic and Langmuir adsorption isotherm model. Thermodynamic studies show that the adsorption of Congo red by GluP is a spontaneous and endothermic process. …”
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  18. 858

    Design of an Improved Hybrid FTC for Faults in Aero-Engine Closed-Loop Control System by Xiaofeng Liu, Chenshuang Luo, Liuqi Xiong

    Published 2021-01-01
    “…The improved hybrid FTC structure combined with the nonlinear thermodynamic component-level (NCL) model-based estimation method merges fault estimation of actuators/sensors and typical components’ degradation estimation process into the FTC process. …”
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  19. 859

    Combustion Characteristics and NO Formation Characteristics Modeling in a Compression Ignition Engine Fuelled with Diesel Fuel and Biofuel by Jean Paul Gram Shou, Marcel Obounou, Rita Enoh Tchame, Mahamat Hassane Babikir, Timoléon Crépin Kofané

    Published 2021-01-01
    “…In this work, we perform a theoretical study of steam injection being applied into a single-cylinder four-strokes direct-injection and naturally aspirated compression ignition engine running with diesel and biodiesel fuels in order to improve the performance and reduce NO emissions by using a two-zone thermodynamic combustion model. The results obtained from biodiesel fuel are compared with the ones of diesel fuel in terms of performance, adiabatic flame temperatures, and NO emissions. …”
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  20. 860

    Eliminating fluoride-induced corrosion of aluminum cathodes in zinc electrowinning by aluminum ion complexation by N.G.S. Almeida, B.M. Ward, J.R. De Wet, A.D. Souza, V.S.T. Ciminelli, D. Majuste

    Published 2025-01-01
    “…This favorable complexation reaction, thermodynamically modeled in this work, plays a critical role in reducing the activity of the corrosive HF species on the passive oxide layer of the aluminum surface. …”
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