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Dissociation Reaction sentence examples within Water Dissociation Reaction
We propose that it is more reasonable to modify membranes by this method with polymeric quaternary ammonium substances, which are less catalytically active in water dissociation reaction.
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The practical energy required for water dissociation reaction in bipolar membrane (BPM) is still substantially higher compared to the thermodynamic equivalent.
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Dissociation Reaction sentence examples within Bond Dissociation Reaction
Anisole decomposed first via the O-CH3 bond dissociation reaction, and then proceeded to a CO elimination reaction to yield an important PAH precursor, C5H5, which contributed to PAH formation via styrene and indene reaction networks.
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In the case of the CIP, both TFSI anions undergo spontaneous bond dissociation reactions to form atomic O, C, S, F, and N species adsorbed on the surface of the Mg anode.
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Dissociation Reaction sentence examples within Hydrogen Dissociation Reaction
By electronic structure analysis, we find that these hot electrons energetically align with electronic states of physisorbed molecular hydrogen, occupation of which by hot electrons can promote the hydrogen dissociation reaction.
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Chemically, the free energy of the hydrogen dissociation reaction for the different structures was calculated by quantum mechanics (QM) methods.
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Dissociation Reaction sentence examples within O2 Dissociation Reaction
Dissociation Reaction sentence examples within Ligand Dissociation Reaction
In this article, the ligand dissociation reactions and phosphorescent quantum yields of various bidentate Pt (II) complexes were investigated by means of the density functional theory (DFT) and time-dependent (TD)-DFT.
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Dissociation Reaction sentence examples within Impact Dissociation Reaction
Finally the chemical kinetics model is employed assuming a fuel-air mixture neglecting the fuel carbon atoms due to the assumption that electron-impact dissociation reactions, which initiate the combustion, exhibit a greater reaction rate compared to those based on hydrocarbon thermal dissociation and therefore can be neglected in this work.
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An improved kinetic model of plasma assisted combustion and pyrolysis of pentane is developed with updated electron impact dissociation reactions and low temperature reactions involving excited species.
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Dissociation Reaction sentence examples within Unimolecular Dissociation Reaction
It is observed that pyrolysis is highly sensitive to unimolecular dissociation reactions and that the products of unimolecular dissociation determine the secondary fuel consumption pathways.
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A detail mechanism involving 306 species and 1990 reactions was developed by updating ipso-addition and unimolecular dissociation reactions of IPB as well as reactions related to styrene, indene and naphthalene.
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Dissociation Reaction sentence examples within Initial Dissociation Reaction
The thermal decomposition of styrene was investigated in a combined experimental, theory and modeling study with particular emphasis placed on the initial dissociation reactions.
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Six initial dissociation reaction pathways of HFC-245fa on clean and O atom pre-adsorbed Cu(1 1 1) surfaces and the related homolytic reactions of HFC-245fa molecule via initial C F, C H and C C bonds breakages are investigated, respectively.
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Dissociation Reaction sentence examples within Chemical Dissociation Reaction
In high-speed flow past a normal shock, the fluid temperature rises rapidly triggering downstream chemical dissociation reactions.
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The presence of a weak acid was shown to be able to significantly influence the polarization behavior of the HER from H+ through its corresponding chemical dissociation reaction.
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Dissociation Reaction sentence examples within Methane Dissociation Reaction
The specific rate constant of the methane dissociation reaction on a membrane catalyst turned out to be an order of magnitude (40 times) higher than this value on a traditional (powder) catalyst.
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Rate of production analysis supports the hypothesis of predominantly methane dissociation reactions into methyl free radicals recombine to form ethane, with a selectivity of more than 94% on carbon basis.
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Dissociation Reaction sentence examples within Subsequent Dissociation Reaction
The pressure-dependence of the rate constants of hydrogen addition and the subsequent dissociation reactions was considered by master equation analysis.
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The indene consumption process needs further precise characterization, especially the subsequent dissociation reactions of indanyl and indenyl radicals.
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Dissociation Reaction sentence examples within Proton Dissociation Reaction
Dissociation Reaction sentence examples within dissociation reaction pathway
Different hydrogen adsorption sites, coverage, and dissociation reaction pathways have been considered.
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Six initial dissociation reaction pathways of HFC-245fa on clean and O atom pre-adsorbed Cu(1 1 1) surfaces and the related homolytic reactions of HFC-245fa molecule via initial C F, C H and C C bonds breakages are investigated, respectively.
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Dissociation Reaction sentence examples within dissociation reaction similar
Conclusion We postulate that the intrinsic effect of melanin may easily convert visible and invisible light into chemical energy via a water dissociation reaction similar to the one in plant's chlorophyll, and markedly elevated with diagnosis and treatment of the complications related to premature babies.
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CONCLUSION
We postulate that intrinsic effect of melanin may easily convert visible and invisible light into chemical energy via a water dissociation reaction similar to the one in plant's chlorophyll, and markedly elevated with diagnosis and treatment of the complications related to premature babies.
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Although the strain cannot change the reaction path of H2O on the dissociated surfaces, it can reduce the energy barrier of the dissociation reaction and induce more stable adsorption of the reactants on the vacancy Al surface, promoting erosion of Al surface.
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By coupling the rate equations of the passivation and dissociation reactions, the equilibrium density ratio of the saturated interfacial dangling bonds and interfacial defects (P b, P b0, and P b1) at different temperatures is calculated.
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A key issue to be addressed is the quantitatively detailed inelastic electron collision processes with a realistic molecular target, associated with electron excitation that leads to potential ionization and dissociation reactions of the molecule.
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On the other side, since the species arising in the dissociation reaction are charged, the solvent should decrease the activation barrier for the dissociation of the Li2S molecule, when compared with the reaction in vacuum.
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The CO2-dissociation reaction was driven by concentrated solar energy as a renewable thermal energy source and by applying a chemical potential gradient between both membrane sides.
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Reacting with OH provides a major sink for styrene in the atmosphere, with three possible pathways including OH-addition, H-abstraction and addition-dissociation reactions.
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The ideal gas reference for association and dissociation reactions, developed in the first part of this series, is applied to electrochemical reactions.
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Due to the different geometric structures of initial state (IS), transition state (TS), and final state (FS) in the dissociation reaction, the dissociation of water on the copper surface does not establish a linear Brønsted-Evans-Polanyi (BEP) relationship.
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Recently, we have shown that thermal effects play a crucial role in speeding up the rate of bond-dissociation reactions.
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In order to find out the model cognition level of students, 12 items were developed based on the acid-base reaction and the dissociation reaction of acids and bases.
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The models may be considered advanced in following respects: 1) the models use ping-pong kinetics and the law of mass action to account for enzyme kinetics; 2) the chemistry considered includes enzymatic reactions, glucose anomerization, pH-dependent enzyme activity, and dissociation reactions for water, acids, and buffering systems, including phosphate buffered saline and bicarbonate buffers; 3) the physical properties of the sensor and the transport process are also considered, including the effective diffusion coefficients of the species within different films and associated partition coefficients; 4) diffusion into or from the surrounding tissue is considered explicitly; and 5) the model allows simulation of both steady-state and electrochemical impedance response.
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Our results provide a reference for further study of the optical properties of VO 2 and the dissociation reaction of H 2 O molecules.
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The dissociation reactions are not favorable thermodynamically and kinetically.
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The potential energy surface was computed, and the result showed that the dissociation reaction of O2 on the surfaces not only reflected in the barrier energy, but also the reaction energy.
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Starting with a distance-based definition of molecules consisting of non-interacting atoms, which is in line with IUPAC terminology, we construct an ideal gas reference for chemical association and dissociation reactions.
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Based on electronic structure analysis, we surmise that Cl− plays a catalytic role in H2O dissociation on an Al surface, even though it does not directly participate in the dissociation reaction.
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84 kJ·mol−1 values and the dissociation reactions were endothermic.
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We present the chemical anchoring of a DMBI-P molecule-rotor to the Au(111) surface after a dissociation reaction.
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The determination of the minimum energy path using the climbing image nudged elastic band (CI-NEB) method shows that the dissociation reaction of H2O with this catalyst requires almost no energy cost.
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It is shown that dissociation reactions of various titanium nitride compounds with the release of free nitrogen occur inside the coating.
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A linearized charge regulation model was adopted for the association and dissociation reactions occurring at the amphoteric functional groups over the surfaces of the cylinders, and a unit cell model was employed to accommodate interactions among the cylinders.
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Upon analysis of the HRPES data, the adsorption of 1-propanethiol and 1-propanol was found to occur through a dissociation reaction, whereas that of propylamine took place via N dative bonding at room temperature.
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Encouragingly, the linear equations corresponding to the Brønsted-Evans-Polanyi relationships (BEPs), relating the activation energies for the dissociation reaction with a suitable descriptor, e.
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This process includes drying, dissociation reaction of carbonates and a sintering process in a moving, dense, multilayer mass of phosphate pellets in a special horizontal grate apparatus.
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We also demonstrate that the parameter set predicts an accurate value for the hydration number and dissociation reactions of NaOH in water.
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This reversal of the dissociation reaction was attributed to recombination enhanced dislocation glide, whereby the Shockley partial with nitrogen polarity was identified to be the mobile one.
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Here we present a detailed overview of the dissociation equilibria of Eberconazole nitrate (EBZ) in homogeneous and heterogeneous systems, focusing primarily on methods that are based on spectrophotometrically of the dissociation reaction.
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We propose and assess a criterion for the application of Brønsted–Evans–Polanyi (BEP) relations for dissociation reactions at surfaces.
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In order to discuss the impact of the metal dopants insertion on the reactivity and catalytic activity of the MgO(001) surface in some important reaction mechanisms, ab initio calculations were performed to study the adsorption and dissociation reactions of the CH3CH2OH, CH3OCH3, CH3CH2SH, H2S, CH3SCH3 and N(CH3)3 molecules on the MgO:Al(001) and MgO:Al,Zn(001) surfaces.
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The dissociation reaction was water-mediated, and theophylline, the reaction product, was identified by powder X-ray diffractometry.
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Generally, the coupling reactions among radical species are thermodynamically favorable in a down-hill manner with no or extremely small energetic barriers, and the barrier of the dissociation reactions can be minimized by properly designing the radical species.
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First results on the effect of electron energy and exposure dose on the growth rates and dimensions of the deposits are presented, and the potential to increase spatial resolution due to the enhanced localization of the dissociation reactions induced by the low-energy electrons is discussed.
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Here, we demonstrate that the dissociation reaction of H2 meditated by the decay of localized surface plasmons of gold nanoparticles leads to the generation of a new material as detected by a change in the optical properties of the gold nanostructures.
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Dissociation reactions of pentalene, phenylacetylene and benzocyclobutadiene, as far as their cationic and dicationic forms were investigated.
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The progression of reduction and dissociation reactions of metal ions is relatively related to the reducing ability of polyols.
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The dissociation reactions of ethanol molecules on Fe, Co and FeCo catalysts are investigated by ab initio molecular dynamics simulation to clarify the initial stages of carbon nanotube growth.
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However, the complexity of the FTIR spectra may also be related to partially protonated defects, such as the associate defect 3 H Si ′ + H i • generated by a dissociation reaction of the hydrogarnet species.
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However, a further dissociation reaction of OH into O and H has an energy barrier of 22.
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The state-resolved cross sections for vibrational relaxation and dissociation reactions are obtained from a rotationally averaged quasi-classical trajectory database based on the Varandas and Pais O2( 3Σg -)+O( 3P) potential energy surface.
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We consider the problem of the choice of “free” particle interaction potential and the calculation of virial corrections for interatomic and ion–atom interaction in chemical models with dissociation reactions.
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