نتایج جستجو برای: chemical liquids
تعداد نتایج: 397571 فیلتر نتایج به سال:
Two kinds of dual functionalized ionic liquids with ether-functionalized cations and tetrazolate anions were designed, prepared, and used for SO(2) capture, which exhibit an extremely high SO(2) capacity and excellent reversibility through a combination of chemical and physical absorption.
Activated carbons are high-grade carbonaceous products, having a porous structure and a large internal surface area. Such properties enable then to adsorb a wide variety of substances, i.e. they are able to capture molecules of gases and liquids in their internal surfaces. Therefore, they are used in industry in several applications including those for purification, chemical recovery and enviro...
Organometallics is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Article The Mechanism by Which Ionic Liquids Enable Shilov-Type CH Activation in an Oxidizing Medium Zhitao Xu, Jonas Oxgaard, and William Goddard Organometallics, 2008, 27 (15), 3770-3773 • DOI: 10.1021/om800274f • Publication Date (Web): 16 July 2008 Downloaded from http://pubs.acs....
Any singular deviation from Landau Fermi-liquid theory appears to lead, for arbitrarily small concentration of impurities coupling to a non-conserved quantity, to a vanishing density of states at the chemical potential and infinite resistivity as temperature approaches zero. Applications to copperoxide metals including the temperature dependence of the anisotropy in resistivity, and to other ca...
the present investigation entails a procedure by which the surface tension and viscosity of liquids could be redicted.to this end, capillary experiments were performed for porous media by utilizing fifteen different liquids and powders. the time of capillary rise to a certain known height of each liquid in a particular powder was recorded. two artificial neural networks (anns) were designed and...
Previously reported ion-specific equation coefficients for both the Abraham general solvation model and Goss modified Abraham model are updated using recently measured activity coefficient, gas chromatographic retention factor, and solubility data for solutes dissolved in room temperature ionic liquids (RTILs). Reported for the first time are equation coefficients for 1-propyl-2,3-dimethylimida...
Solvate ionic liquids are a subclass of ionic liquids that have the potential to be used in a range of electrochemical devices. We present molecular dynamics simulations of the interfacial structure of thin films of one such lithium based solvate ionic liquid, [Li(G4)][TFSI], an equimolar solution of tetraglyme and lithium bistriflimide. This solvate ionic liquid is shown to form a novel interf...
Protic ionic liquids (PILs) have been established as effective solvents for the selective extraction and recovery of lignin from lignocellulosic biomass. In this study, we utilize extensive analytical techniques to characterize the PIL-extracted lignins to (1) expand on the physical/chemical structure, and to (2) develop a better understanding of the mechanism behind the lignin dissolution proc...
Homogeneous and heterogenized basic ionic liquids as reaction catalysts have been highlighted, particularly where they are used to promote reactions that could form the basis of more sustainable energy chemical production.
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