Results 31 to 40 of about 549,625 (269)

Sonoluminescing air bubbles rectify argon [PDF]

open access: yes, 1997
The dynamics of single bubble sonoluminescence (SBSL) strongly depends on the percentage of inert gas within the bubble. We propose a theory for this dependence, based on a combination of principles from sonochemistry and hydrodynamic stability.
A. Eller   +26 more
core   +10 more sources

Enhanced Proton Spillover at Pt-Cluster/NiO Interface Reduces the Acidic-Alkaline Hydrogen Evolution Activity Gap. [PDF]

open access: yesSmall Sci
The sluggish hydrogen evolution reaction (HER) kinetics in alkaline media, primarily attributed to the additional water dissociation step, has led to a significant activity gap between acidic and alkaline conditions.
Kumar A, Lee J, Kim MG, Tüysüz H.
europepmc   +2 more sources

Dissociation of Water on Defective Carbon Substrates [PDF]

open access: yesPhysical Review Letters, 2005
Using calculations from first principles, we found that water can dissociate over defective sites in graphene or nanotubes following many possible reaction pathways, some of which have activation barriers lower than half the value for the dissociation of bulk water. This reduction is caused by spin selection rules that allow the system to remain on the
Kostov, Milen   +4 more
openaire   +3 more sources

Study on the Gas-phase Structure of Water Dimer Radical Cation Using Mass Spectrometry [PDF]

open access: yesZhipu Xuebao, 2021
Water is one of the most important compounds and plays an important role in biological process, chemical synthesis and material science. Thus, studies about water and related particles water radical cations are always the top research fields.
LI Ke   +4 more
doaj   +1 more source

Water Self‐Dissociation is Insensitive to Nanoscale Environments

open access: yesAngewandte Chemie, 2023
AbstractNanoconfinement effects on water dissociation and reactivity remain controversial, despite their importance to understand the aqueous chemistry at interfaces, pores, or aerosols. The pKw in confined environments has been assessed from experiments and simulations in a few specific cases, leading to dissimilar conclusions.
Solana Di Pino   +5 more
openaire   +4 more sources

Structuring Pt/CeO2/Al2O3 WGS catalyst: Introduction of buffer layer [PDF]

open access: yes, 2017
This work is devoted to the development of novel structured catalytic system for WGS reaction. The new concept is related to the presence of a pre-catalytic “buffer” layer formed by WGS-inert oxide, i.e.
Centeno Gallego, Miguel Ángel   +5 more
core   +1 more source

Numerical study on propagation mechanism and bio-medicine applications of plasma jet

open access: yesHigh Voltage, 2016
In this study, the propagation mechanism of plasma jet and some bio-medical applications are investigated by two-dimensional numerical model. The key equations of plasma physics and chemistry related with plasma jet are firstly introduced. The simulation
He Cheng, Xin Liu, Xinpei Lu, Dawei Liu
doaj   +1 more source

KINETIC FEATURES OF MECHANOCHEMICAL DISSOCIATION OF WATER

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2016
In this work the hypothesis about the possibility of mechanochemical dissociation of water, subjected to mechanical stress, is experimentally confirmed. In the work the checkout and comparison of data, obtained from the kinetic characteristics of cluster
V. D. Shantarin, M. Yu. Zemenkova
doaj   +1 more source

Water Dissociation in the Presence of Metal Ions. [PDF]

open access: yesChemInform, 2007
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Orkid, Coskuner   +2 more
openaire   +2 more sources

Coupled cluster benchmarks of water monomers and dimers extracted from DFT liquid water: the importance of monomer deformations

open access: yes, 2009
To understand the performance of popular density-functional theory (DFT) exchange-correlation (xc) functionals in simulations of liquid water, water monomers and dimers were extracted from a PBE simulation of liquid water and examined with coupled ...
Angelos Michaelides   +4 more
core   +1 more source

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