Results 331 to 340 of about 196,361 (378)
Some of the next articles are maybe not open access.

Crossover VTSRK equation of state for selected alkane + alkane and CO2 + alkane binary mixtures

Fluid Phase Equilibria, 2016
Abstract Accurate predictions of the thermodynamic properties of binary mixtures, especially in the critical region, are essential for many chemical process designs. In this study, based on the predictive crossover volume translation SRK equation of state (VTSRK EoS) presented in previous work, the crossover VTSRK EoS for binary mixtures was ...
Yuanyuan Duan   +3 more
openaire   +2 more sources

The Ionization of Alkanes [PDF]

open access: possibleIsrael Journal of Chemistry, 1983
AbstractAb initio molecular orbital theory has been used to study the ionization of methane, ethane, propane, n‐butane, isobutane, cyclopropane and cyclobutane. For methane radical cation, the preferred structure has C20 symmetry and a pair of long C—H bonds, resembling a complex of CH+2 with H2.
Willem J. Bouma   +2 more
openaire   +1 more source

Hydrogen/Deuterium (H/D) Exchange Catalysis in Alkanes

, 2018
The catalytic exchange of hydrogen and deuterium (H/D exchange) in light alkanes has been studied for almost a century. While alkanes and their C–H bonds are relatively inert, H/D exchange studies have shown that a large number of materials can ...
A. Sattler
semanticscholar   +1 more source

Cation–Alkane Interaction

The Journal of Physical Chemistry A, 2014
Ab initio computations, up to CCSD(T)/CBS on model systems, and MP2/cc-pVTZ and DFT calculations are performed on cation-alkane and cation-alkene complexes, cation = Li(+), Na(+), Be(2+), Mg(2+), Ca(2+), Cu(+) and Zn(2+); alkane = C(n)H2(n+2) (n = 1-10) and C6H12; and alkene = C2H4 and C6H6.
G. Narahari Sastry, J. Richard Premkumar
openaire   +3 more sources

Proton Affinities of Alkanes

Journal of the American Society for Mass Spectrometry, 2022
Chemical characterization of complex mixtures of large alkanes is critically important for many fields, including petroleomics and the development of renewable transportation fuels. Tandem mass spectrometry is the only analytical method that can be used to characterize such mixtures at the molecular level.
Yue Fu   +5 more
openaire   +2 more sources

Large-Scale Selective Functionalization of Alkanes.

Accounts of Chemical Research, 2017
Great progress has been made in the past several decades concerning C-H bond functionalization. But despite many significant advances, a commercially viable large-scale process for selective alkane functionalization remains an unreached goal.
K. I. Goldberg, A. Goldman
semanticscholar   +1 more source

Efficient Mechanochemical Synthesis of MOF-5 for Linear Alkanes Adsorption

, 2017
An efficient mechanochemical method was proposed to synthesize MOF-5 with high BET area within minutes. The effects of parameters such as solvents activation, the metal/ligand ratio, grinding speed and time were carefully studied and the optimized MOF-5 ...
Daofei Lv   +9 more
semanticscholar   +1 more source

Alkanes

1991
Publisher Summary This chapter examines the characteristic infrared (IR) and Raman group frequencies of alkanes. The characteristic vibrations of alkanes can be categorized as CH motions and skeletal (C—C) vibrations. The vibrations involving CH2 and CH3 stretchings give rise to bands that are strong and characteristic in both IR and Raman spectra ...
Daimay Lin-Vien   +3 more
openaire   +2 more sources

Metabolism of alkane by yeast

Lipids, 1971
AbstractWe demonstrated two NAD+‐linked alcohol dehydrogenases in cell free extracts ofCandida tropicalis grown onn‐tetradecane. Comparative studies of localization, properties and regulation indicate that these enzymes are involved in two different pathways ofn‐alkane metabolism, one cytoplasmic and the other mitochondrial. Kinetic properties, such as
E. Azoulay, J. M. Lebeault
openaire   +3 more sources

Dynamic Odd-Even Effect in Liquid n-Alkanes near Their Melting Points.

Angewandte Chemie, 2016
n-Alkanes are the textbook examples of the odd-even effect: The difference in the periodic packing of odd- and even-numbered n-alkane solids results in odd-even variation of their melting points.
Ke Yang   +5 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy