Showing 41 - 60 results of 148 for search '"Reaction mechanism"', query time: 0.07s Refine Results
  1. 41

    A Simple Spectrophotometric Method for Determination of Glyoxylic Acid in Its Synthesis Mixture by Mazhar Abdulwahed, Lamia Mamoly, Wael Bosnali

    Published 2020-01-01
    “…Reaction stoichiometry between tryptophan and glyoxylic acid is assumed to be 2 : 3. Reaction mechanism has been postulated based on identified molar ratios of reactants. …”
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    Article
  2. 42

    Doubts on Kissinger´s method of kinetic evaluation based on several conceptual models showing the difference between the maximum of reaction rate and the extreme of a DTA peak by Šesták J., Holba P., Živković Ž.

    Published 2014-01-01
    “…Chem. 1957) is examined with respect to the feasible impact of the individual quantities and assumptions involved, namely the model of reaction mechanism, f(a) (with the iso- and nonisothermal degrees of conversion, α and λ) the rate constant, k(T) (and associated activation energy, E), heating/cooling rate, b (supplementing additional thermodynamic term for the melt undercooling, ΔT) and above all, the association of the characteristic temperature, Tm, with the DTA peak apex. …”
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  3. 43

    Electron Beam Synthesis and Characterization of Acrylamide/Acrylic Acid Hydrogels Using Trimethylolpropane Trimethacrylate as Cross-Linker by Gabriela Craciun, Elena Manaila, Maria Daniela Stelescu

    Published 2016-01-01
    “…The samples were subjected to electron beam treatment in the dose range of 2 to 4 kGy and the influence of the absorbed dose and amount of cross-linker on the swelling properties, diffusion coefficient, and network parameters of hydrogels was investigated. A possible reaction mechanism for acrylamide/acrylic acid/trimethylolpropane trimethacrylate hydrogels was also suggested. …”
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    Article
  4. 44

    Kinetic Analysis for Macrocyclizations Involving Anionic Template at the Transition State by Vicente Martí-Centelles, M. Isabel Burguete, Santiago V. Luis

    Published 2012-01-01
    “…Through a comprehensive analysis of these results, it is possible to obtain a better understanding of the different parameters that are involved in the macrocyclization reaction mechanism and to develop strategies for the optimization of the desired processes.…”
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    Article
  5. 45

    Carbon nitride caught in the act of artificial photosynthesis by Daniel Cruz, Sonia Żółtowska, Oleksandr Savateev, Markus Antonietti, Paolo Giusto

    Published 2025-01-01
    “…However, the role of surface interactions and electronic properties on the reaction mechanism remain still elusive. Here, we use in-situ spectroscopic techniques that enable monitoring surface interactions in carbon nitride under artificial photosynthetic conditions. …”
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    Article
  6. 46

    Electrochemical Studies of Betti Base and Its Copper(II) Complex by Cyclic and Elimination Voltammetry by Shardul Bhatt, Bhavna Trivedi

    Published 2013-01-01
    “…The suggested reaction mechanism has been supported by the elimination voltammetry. …”
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    Article
  7. 47

    Recent Developments of Electrochemical Promotion of Catalysis in the Techniques of DeNOx by Xiaolong Tang, Xianmang Xu, Honghong Yi, Chen Chen, Chuan Wang

    Published 2013-01-01
    “…The work presented in this paper focuses on the aspects of reaction mechanism, influencing factors, and recent positive results. …”
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    Article
  8. 48

    Shrinkage and Mechanical Properties of Fibre-Reinforced Blast Furnace Slag-Steel Slag-Based Geopolymer by Shengtang Xu, Chaofan Wu, Jinchao Yue, Zikai Xu

    Published 2022-01-01
    “…Scanning electron microscopy (SEM) was employed to characterize the reaction mechanism of the geopolymer mortars. The results show that both PVA fibre and basalt fibre can improve the mechanical properties of geopolymer mortars during the late curing period. …”
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    Article
  9. 49

    Understanding Dioxygen Activation in the Fe(III)-Promoted Oxidative Dehydrogenation of Amines: A Computational Study by Ricardo D. Páez-López, Miguel Á. Gómez-Soto, Héctor F. Cortés-Hernández, Alejandro Solano-Peralta, Miguel Castro, Peter M. H. Kroneck, Martha E. Sosa-Torres

    Published 2025-01-01
    “…The nitrogen radical [Fe<sup>II</sup>L<sup>3</sup><sub>N8•</sub>]<sup>2+</sup>, formed by deprotonation of [Fe<sup>III</sup>L<sup>3</sup>]<sup>3+</sup>, plays a crucial role in the reaction mechanism derived from kinetic studies. O<sub>2</sub> acts as an oxidant and is converted to H<sub>2</sub>O. …”
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    Article
  10. 50

    Drug discovery and mechanism prediction with explainable graph neural networks by Conghao Wang, Gaurav Asok Kumar, Jagath C. Rajapakse

    Published 2025-01-01
    “…However, existing methods mainly focus on forward encoding of drugs, which is to obtain an accurate prediction of the response levels, but omitted to decipher the reaction mechanism between drug molecules and genes. We propose the eXplainable Graph-based Drug response Prediction (XGDP) approach that achieves a precise drug response prediction and reveals the comprehensive mechanism of action between drugs and their targets. …”
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    Article
  11. 51

    A novel technique for the synthesis of Au3N and its characterization using X-ray diffraction and Raman scattering techniques by S. Giri, P. Mallick, B. Mallick

    Published 2025-01-01
    “…We report a novel technique for the synthesis of Au3N via a solid-state diffusion-reaction mechanism. X-ray diffraction indexing confirmed that the structure of Au3N is anti-ReO3 with a lattice constant aAuN̄ of 4.065 ± 0.004 Å. …”
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    Article
  12. 52

    Degradation of Tetracycline by Birnessite under Microwave Irradiation by Meng Liu, Guocheng Lv, Lefu Mei, Xiaoyu Wang, Xuebing Xing, Libing Liao

    Published 2014-01-01
    “…The crystal structure, degradation efficiency, and reaction mechanism were investigated using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and ultraviolet-visible spectroscopy (UV-Vis). …”
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  13. 53

    Simulation Research of the n-Butanol Proportion Influence on HCCI Combustion of Free-Piston Diesel Engine Generators by Chunhui Liu, Hao Zheng

    Published 2022-01-01
    “…A detailed chemical reaction mechanism of diesel fuel was selected as the HCCI combustion mechanism and coupled in the established HCCI combustion simulation model of the FPDEG prototype. …”
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  14. 54

    Study on Designing Sulfur Containing Bifunctional Building Block with Improved Refractive Index by G. S. Jha, P. Chhabra, G. Suri, M. Tyagi, P. Arora, G. Seshadri, R. K. Khandal

    Published 2009-01-01
    “…The studies of FTIR, TLC, HPLC and NMR have been used to understand the reaction mechanism, as well as for optimization of the reaction parameters. …”
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  15. 55

    PRODUÇÃO DE BIONAFTA A PARTIR DE ÁLCOOIS PRIMÁRIOS (C3-C5) VIA PROCESSOS DE DESIDROGENAÇÃO/DESIDRATAÇÃO CATALÍTICA by Adônis Coelho, Gustavo Metzker, Lívia P. de Lima, Eleni Gomes, Mauricio Boscolo

    Published 2025-02-01
    “…Reaction pathways were proposed for conversion of alcohols into their respective products, based on the Guerbet reaction mechanism. Catalysts containing copper proved to be more efficient in selectivity and stability throughout the reaction.…”
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    Article
  16. 56

    Contribution of NMR spectroscopy to the mechanistic understanding of photochromism by S. Delbaere, J. C. Micheau, J. Berthet, G. Vermeersch

    Published 2004-01-01
    “…The kinetics of thermal back reaction are monitored by directly and separately measuring the concentrations of each long-living species at regular time intervals in NMR spectra. A plausible reaction mechanism can therefore be proposed. Based on this mechanism, the kinetic analysis and the study of the effects of temperature lead to the determination of the kinetic and thermodynamic parameters (rate coefficients, enthalpy and entropy of activation) of the photochromic system under investigation. …”
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    Article
  17. 57

    Reduction Behavior of Olanzapine and Its Differential Pulse Voltammetric Determination in Human Urine and Pharmaceuticals by Sultan Yağmur

    Published 2020-12-01
    “…Lastly, the developed technique was applied to spiked urine and pharmaceutical preparations for recovery studies of olanzapine. A reaction mechanism related to the reduction of olanzapine was also proposed with this study.…”
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    Article
  18. 58

    Chlorine Dioxide-Iodide-Methyl Acetoacetate Oscillation Reaction Investigated by UV-Vis and Online FTIR Spectrophotometric Method by Laishun Shi, Xiaomei Wang, Na Li, Jie Liu, Chunying Yan

    Published 2012-01-01
    “…Based upon the experimental data in this work and in the literature, a plausible reaction mechanism was proposed for the oscillation reaction.…”
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  19. 59

    Rheological Properties and Microscopic Characterization of Delayed Decay-Modified Asphalt Based on UV Ageing by Hening Gu, Yongqiang Zhu, Yunchu Zhu, Lijing Chu, Qinyuan Peng, Qian Chen

    Published 2023-01-01
    “…Meanwhile, the corresponding reaction mechanism was explored at the microscopic level.…”
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  20. 60

    Overview of Molecular Dynamics Simulation of Natural Gas Hydrate at Nanoscale by Rongrong Qi, Xuwen Qin, Hang Bian, Cheng Lu, Lu Yu, Chao Ma

    Published 2021-01-01
    “…As a dynamic research method for molecular systems, molecular dynamic (MD) simulation can represent physical phenomena that cannot be realized by experimental means and discuss the microscopic reaction mechanism of things from the molecular level. In this paper, the previous research results were reviewed. …”
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