Showing 1,101 - 1,120 results of 1,149 for search '"thermodynamics"', query time: 0.06s Refine Results
  1. 1101

    Efficient adsorption of ofloxacin in a novel nanocomposite formed by nano-hexagonal boron nitride fused with zeolite imidazolite skeleton-8: Experimental and molecular dynamics sim... by Zefang Huang, Yuankai Hong, Yiqun Cui, Huiying Guo, Yan Long, Jinshao Ye

    Published 2025-01-01
    “…OFL adsorption on ZIF-8@h-BN-X followed the Langmuir isotherm model and pseudo-second-order adsorption kinetics. Thermodynamic parameters indicated that the adsorption process of ZIF-8@h-BN-X was exothermic and spontaneous when compared to h-BN alone. …”
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  2. 1102

    Stability of reinforcements (CrB2/TiB2) and lubricants (C/MoS2) in Cu matrix during the sintering process by Chen Zhang, Lei Jia, Jia-mei Zhang, Wu Pan, Zhen-lin Lu, Zhi-guo Xing

    Published 2025-01-01
    “…Then, microstructure and phase composition of the composites resulted from 10%CrB2–Cu, 10%TiB2–Cu, 10%MoS2–Cu, 10%C–Cu, 10%CrB2–10%C–Cu, 10%TiB2–10%C–Cu, 10%CrB2–10%MoS2–Cu and 10%TiB2–10%MoS2–Cu powder systems were investigated systematically, Subsequently, the potential decomposition and reaction behavior was discussed based thermodynamic analysis. Results show that single CrB2, TiB2 or C phase can exist stably in copper matrix, but MoS2 is prone to react with Cu to form Cu2S and Mo2S3. …”
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  3. 1103

    Experimental Approach for the Evaluation of the Performance of a Satellite Module in the CanSat Form Factor for In Situ Monitoring and Remote Sensing Applications by Juan Sebastián Rodríguez, Andrés Yarce Botero, Diego Valle, Julián Gálvez- Serna, Francisco Botero

    Published 2021-01-01
    “…This experiment’s interest measured thermodynamic variables and the concentration of pollutants in the stratosphere to corroborate the operating ranges planned in the above experiments using on-flight conditions and estimate the TLR (technology readiness level) of future prototypes.…”
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  4. 1104

    Biosynthesis and Characterization of Iron Nanoparticles for Effective Adsorption of Cr(VI) by Emel Simla Önal, Tolga Yatkın, Tural Aslanov, Memduha Ergüt, Ayla Özer

    Published 2019-01-01
    “…Weber–Morris model was used to investigate the effect of mass transfer on the adsorption of Cr(VI) onto FeNPs; it was observed that both the film (boundary layer) and intraparticle diffusion affected the studied adsorption process. The thermodynamic studies suggested that Cr(VI) adsorption onto FeNPs was endothermic and nonspontaneous, and the positive ΔS value indicated increased disorder at the solid-solution interface during the adsorption.…”
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  5. 1105

    Changes of Quality Characteristics before and after Embrittlement of Oreochromis niloticus×O. aureus by Mei CHEN, Jingkai QIN, Ziyi YANG, Zhongyi QIN, Jie ZHOU, Jiequn JIANG, Xiaoling LIU

    Published 2025-02-01
    “…Oreochromis niloticus×O. aureus was taken as the research object, and the difference of nutrient composition, thermodynamic property, microstructure, texture property and sensory quality between normal tilapia (NT) and crisp tilapia (CT) was analyzed to find out the effective development and utilization direction of brittle tilapia. …”
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  6. 1106

    Potential of Co(II) and Cd(II) chelates of N′-(3-fluorobenzoyl)benzo[d]thiazole-2-carbohydrazide: Structural aspects, binding interactions, biological and molecular docking studies... by K. Srilaxmi, B. Sireesha

    Published 2025-01-01
    “…The complexes are non-electrolytic with octahedral geometry. The kinetic and thermodynamic parameters obtained by Coats-Redfern relations reveal that both the complexes show positive Gibbs’s free energy and negative entropy. …”
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  7. 1107

    Dissolution and Solubility Product of Cd-Fluorapatite [Cd5(PO4)3F] at pH of 2–9 and 25–45°C by Ju Lin, Zongqiang Zhu, Yinian Zhu, Huili Liu, Lihao Zhang, Zhangnan Jiang

    Published 2018-01-01
    “…Based on the log Ksp values obtained at an initial pH of 2 and 25°C, the Gibbs free energy of formation for Cd5(PO4)3F (ΔGf0) was calculated to be −4065.76 kJ/mol (−4064.11∼−4068.23 kJ/mol). The thermodynamic parameters for the dissolution process were computed to be 342515.78 J/K·mol, −85088.80 J/mol, −1434.91 J/K·mol, and 2339.50 J/K·mol for ΔG0, ΔH0, ΔS0, and ΔCp0, correspondingly.…”
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  8. 1108

    Cost-effective adsorption of cationic dyes using ZnO nanorods supported by orange peel-derived carbon by Eman J. E. Abdelrazek, Ahmed A. Gahlan, Gamal A. Gouda, Abdelaal S. A. Ahmed

    Published 2025-02-01
    “…On the otherhand, the thermodynamic studies confirmed the adsorption of MB, and CV dyes onto ZnO-NR@PC composite is an endothermic and spontaneous process. …”
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  9. 1109

    PGTransNet: a physics-guided transformer network for 3D ocean temperature and salinity predicting in tropical Pacific by Song Wu, Senliang Bao, Wei Dong, Senzhang Wang, Xiaojiang Zhang, Chengcheng Shao, Junxing Zhu, Xiaoyong Li

    Published 2024-11-01
    “…Firstly, we design a loss function that deliveries the physical relationship among temperature, salinity and density by fusing the Thermodynamic Equation. Secondly, to capture global and long-term dependencies effectively, we add the Pacific Decadal Oscillation (PDO) and North Pacific Gyre Oscillation (NPGO) in the embedding layer. …”
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  10. 1110

    Synthesis, Characterization, and Evaluation of the Remediation Activity of Cissus quadrangularis Zinc Oxide Nanoparticle-Activated Carbon Composite on Dieldrin in Aqueous Solution by Calvince Ondijo, Fredrick Kengara, Isaac K’Owino

    Published 2022-01-01
    “…Batch adsorption experiments were performed using 20 ml of dieldrin solution at varying pH values (1–14), concentrations (5–100 ppm), temperatures (293–323 K), adsorbent dosages (0.01–0.12 g), and contact times (30–180 minutes) to determine the optimum conditions. The calculated thermodynamic parameters (ΔH°, ΔS°, and ΔG°) indicated that the adsorption was spontaneous and exothermic in nature, implying decreasing randomness of dieldrin molecules at the solid-liquid interface. …”
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  11. 1111

    False Alarm Causes and Wind Field Sensitivity Analysis of a Severe Rainfall Event in the Guangdong-Hong Kong-Macao Greater Bay Area Urban Cluster by Lan Zhang, Jiawen Zheng, Huaiyu Li, Rui Yu, Lei Wei, Yufei Zhang

    Published 2024-01-01
    “…The results indicate that the warm and moist airflow transported by the low-level jet stream was intercepted by the upstream MCS (mesoscale convective system) along the coastal area of western Guangdong, and inadequate conditions of negative vorticity dynamics led to insufficient moisture, thermodynamic, and dynamic conditions over the urban cluster, preventing the triggering of heavy precipitation. …”
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  12. 1112

    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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  13. 1113

    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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  14. 1114

    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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  15. 1115

    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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  16. 1116

    Inhibition of Endothelial Cell Tube Formation by Anti-Vascular Endothelial Growth Factor/Anti-Angiopoietin-2 RNA Nanoparticles by Cheng Zhong, Zhanquan Shi, Chia-Yang Liu, Daniel W. Binzel, Kai Jin, Xin Li, Peixuan Guo, S. Kevin Li

    Published 2025-01-01
    “…RNA nanoparticles, derived from the packaging RNA three-way junction motif (pRNA-3WJ) of the bacteriophage phi29 DNA packaging motor, have been demonstrated to be thermodynamically and chemically stable, with promise as a nanodelivery system. …”
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  17. 1117

    Sustainable CO<sub>2</sub> Capture: N,S-Codoped Porous Carbons Derived from Petroleum Coke with High Selectivity and Stability by Jiawei Shao, Yingyi Wang, Mingyang Che, Ya Liu, Yongfu Jiang, Qiang Xiao, Muslum Demir, Linlin Wang, Xin Hu

    Published 2025-01-01
    “…Adsorption kinetics showed 90% of equilibrium uptake was achieved within 5 min, while cyclic studies revealed excellent stability with 97% capacity retention after five cycles. Thermodynamic analysis indicated moderate isosteric heat of adsorption (<i>Q<sub>st</sub></i>) values ranging from 18 to 47 kJ/mol, ensuring both strong adsorption and efficient desorption. …”
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  18. 1118

    Ecotoxicity of lanthanides to Daphnia magna: insights from elemental behavior and speciation in a standardized test medium by Vignati, Davide A.L., Martin, Loïc A., Poirier, Laurence, Zalouk-Vergnoux, Aurore, Fouque, Chantal, Bojic, Clément, Hissler, Christophe, Cossu-Leguille, Carole

    Published 2024-07-01
    “…Experimental data show that exposure concentrations can decrease by up to 95 % over the test duration, with the percentage decrease being inversely related with LN atomic mass. Thermodynamic speciation calculations confirm the possible formation of insoluble species, mainly LN carbonates. …”
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  19. 1119

    Use of hazardous barium slag as a supplementary cementitious material in calcium aluminate cement: Evolution of engineering properties and microstructure by Chen-xi Dong, Zhao Duan, Jiang-shan Li, Xin Chen, Wei Zhang, Haitao Cao, Nianqin Wang

    Published 2025-07-01
    “…The disposal of barium slag (BS), a hazardous industrial by-product, presents a significant environmental challenge, particularly because of its potential toxicity and underuse. Because of its thermodynamic history of rapid water quenching at high temperatures, BS exhibits high reactivity and alkali-activation potential, making it a promising supplementary cementitious material (SCM). …”
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  20. 1120

    Treatment of Yellow Phosphorus Slag and Reuse of It as an Absorbent of Chromium (VI) Ions and Methylene Blue by Van Hai Nguyen, Van Chien Nguyen, Thuy Chinh Nguyen, Do Mai Trang Tran, Thi Thu Trang Nguyen, Quoc Trung Vu, Duy Trinh Nguyen, Hoang Thai

    Published 2020-01-01
    “…The adsorption isotherm of MB adsorption process is complied with the Langmuir isotherm while the adsorption kinetic fits well with the pseudo-second-order reaction model. The thermodynamic parameters of MB adsorption processed on YPS2 were calculated and discussed.…”
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