Results 21 to 30 of about 1,847,287 (303)

A Unified Mechanism on the Formation of Acenes, Helicenes, and Phenacenes in the Gas Phase. [PDF]

open access: yes, 2020
A unified low-temperature reaction mechanism on the formation of acenes, phenacenes, and helicenes-polycyclic aromatic hydrocarbons (PAHs) that are distinct via the linear, zigzag, and ortho-condensed arrangements of fused benzene rings-is revealed. This
Ablikim, Utuq   +8 more
core   +1 more source

The development of solid oxide co-electrolysis of H2O and CO2 on large-size cells and stacks

open access: yesiEnergy, 2023
In the context of carbon neutrality, conversion of CO2 into CO is an effective way for negative carbon emission. Electrochemical reduction is a novel developed pathway, among which, solid oxide co-electrolysis technology is promising for its high ...
Jingjing Liang   +5 more
doaj   +1 more source

Innovative Materials for Energy Storage and Conversion

open access: yesMolecules, 2022
The metal chalcogenides (MCs) for sodium-ion batteries (SIBs) have gained increasing attention owing to their low cost and high theoretical capacity. However, the poor electrochemical stability and slow kinetic behaviors hinder its practical application ...
Shi Li   +8 more
doaj   +1 more source

Qualitative Analysis Based Reaction Mechanism Identification

open access: yesChemical Engineering Transactions, 2013
One of the most important tasks during the design process of a chemical technology is the engineering design of the conversion subsystem based on the aspect of optimal and safe operation.
T. Varga
doaj   +1 more source

Unified connected theory of few-body reaction mechanisms in N-body scattering theory [PDF]

open access: yes, 1978
A unified treatment of different reaction mechanisms in nonrelativistic N-body scattering is presented. The theory is based on connected kernel integral equations that are expected to become compact for reasonable constraints on the potentials.
Polyzou, W. N., Redish, E. F.
core   +2 more sources

Improved Photocatalyzed Degradation of Phenol, as a Model Pollutant, over Metal-Impregnated Nanosized TiO2

open access: yesNanomaterials, 2020
Photocatalyzed degradation of phenol in aqueous solution over surface impregnated TiO2 (M = Cu, Cr, V) under UV-Vis (366 nm) and UV (254 nm) irradiation is described.
S. Belekbir   +5 more
doaj   +1 more source

Scattering of N2 Molecules from Silica Surfaces: Effect of Polymorph and Surface Temperature

open access: yesMolecules, 2022
The inelastic scattering of N2 molecules from silica surfaces, taken at 100 K, has been investigated by adopting a semiclassical collision model in conjunction with the appropriate treatment of the long-range interaction forces.
Maria Rutigliano, Fernando Pirani
doaj   +1 more source

Fragment-Based Ab Initio Molecular Dynamics Simulation for Combustion

open access: yesMolecules, 2021
We develop a fragment-based ab initio molecular dynamics (FB-AIMD) method for efficient dynamics simulation of the combustion process. In this method, the intermolecular interactions are treated by a fragment-based many-body expansion in which three- or ...
Liqun Cao   +5 more
doaj   +1 more source

Mechanism of the Kinugasa Reaction Revisited [PDF]

open access: yesThe Journal of Organic Chemistry, 2021
The mechanism of the Kinugasa reaction, that is, the copper-catalyzed formation of β-lactams from nitrones and terminal alkynes, is re-evaluated by means of density functional theory calculations and in light of recent experimental findings. Different possible mechanistic scenarios are investigated using phenanthroline as a ligand and triethylamine as ...
Stefano Santoro, Fahmi Himo
openaire   +4 more sources

Towards molecular control of elementary reactions in zeolite catalysis by advanced molecular simulations mimicking operating conditions [PDF]

open access: yes, 2016
Zeolites are the workhorses of today's chemical industry. For decades they have been successfully applied, however many features of zeolite catalysis are only superficially understood and in particular the kinetics and mechanism of individual reaction ...
Bailleul, Simon   +2 more
core   +1 more source

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