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A Review on Homogeneous Charge Compression Ignition and Low Temperature Combustion by Optical Diagnostics
Published 2015-01-01“…Then, the combustion chemical reaction mechanism is reviewed based on chemiluminescence, natural-luminosity, and laser diagnostics. …”
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MANGANESE(III)-BASED REACTION OF l,l-DIARYLETHENES WITH ALKYL 2-0XOCYCLOPENTANECARBOXYLATES: AN EFFICIENT ROUTE TO 2-0XABICYCLO[3.3.0]OCTANE DERIVATIVES
Published 2013-03-01“…Substituents on aryl ring of the alkenes have remarkable influence on the product type. The reaction mechanism is discussed.…”
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23
Thermodynamic Study of Hydrolysis Reactions in Aqueous Solution from Ab Initio Potential and Molecular Dynamics Simulations
Published 2013-01-01“…We used the solvent as a reaction coordinate and the free energy curves for the calculation of the properties related with the reaction mechanism, namely, reaction and activation energies.…”
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24
Kinetics and Mechanism of the Oxidation of Lactic Acid and Mandelic Acid by Pyridinium Chlorochromate in Aqueous Acidic Medium
Published 2009-01-01“…Products as oxoacids and absence of free radical were confirmed. Suitable reaction mechanism has been proposed.…”
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25
Highly Selective Synthesis of Chlorophenols under Microwave Irradiation
Published 2016-01-01“…Oxychlorination of phenols substituted with electron donating groups (methyl, methoxyl, isopropyl, etc.) at ortho- and meta-positions is accomplished with higher conversion rates, lower reaction time, and excellent selectivity. A proposed reaction mechanism is deduced; one electron transfers from CuCl2 to phenol followed by the formation of tautomeric radical that can be rapidly captured by chlorine atom and converts into para-substituted product.…”
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26
A Simple Spectrophotometric Method for Determination of Glyoxylic Acid in Its Synthesis Mixture
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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27
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
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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28
Electron Beam Synthesis and Characterization of Acrylamide/Acrylic Acid Hydrogels Using Trimethylolpropane Trimethacrylate as Cross-Linker
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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29
Kinetic Analysis for Macrocyclizations Involving Anionic Template at the Transition State
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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30
Electrochemical Studies of Betti Base and Its Copper(II) Complex by Cyclic and Elimination Voltammetry
Published 2013-01-01“…The suggested reaction mechanism has been supported by the elimination voltammetry. …”
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31
Recent Developments of Electrochemical Promotion of Catalysis in the Techniques of DeNOx
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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32
Shrinkage and Mechanical Properties of Fibre-Reinforced Blast Furnace Slag-Steel Slag-Based Geopolymer
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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33
Understanding Dioxygen Activation in the Fe(III)-Promoted Oxidative Dehydrogenation of Amines: A Computational Study
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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34
A novel technique for the synthesis of Au3N and its characterization using X-ray diffraction and Raman scattering techniques
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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35
Degradation of Tetracycline by Birnessite under Microwave Irradiation
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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36
Simulation Research of the n-Butanol Proportion Influence on HCCI Combustion of Free-Piston Diesel Engine Generators
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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37
Study on Designing Sulfur Containing Bifunctional Building Block with Improved Refractive Index
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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38
PRODUÇÃO DE BIONAFTA A PARTIR DE ÁLCOOIS PRIMÁRIOS (C3-C5) VIA PROCESSOS DE DESIDROGENAÇÃO/DESIDRATAÇÃO CATALÍTICA
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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39
Contribution of NMR spectroscopy to the mechanistic understanding of photochromism
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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40
Reduction Behavior of Olanzapine and Its Differential Pulse Voltammetric Determination in Human Urine and Pharmaceuticals
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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