Wiley
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Über die Gleichrichtereigenschaft bipolarer IonenaustauschermembranenAbstract Ein Gleichrichtereffekt tritt immer dann auf, wenn zwei Phasen aneinandergrenzen, von denen die eine vorwiegend positive, die andere vorwiegend negative bewegliche Ladungsträger enthält. Ionenaustauschermembranen, welche „sandwichartig”︁ aus einer Kationenaustauscher‐ und einer Anionenaustauscherschicht zusammengesetzt sind, stellen somit ein Analogon dar z... ...
Wiley - Tập 68 Số 6 - Trang 534-540 - 1964
Deuteron NMR Study of Molecular Mobility in a Polymer Model MembraneAbstract The molecular mobility of a polymer model membrane is studied by 2 H NMR. The lipid analogue consists of a quaternary ammonium ion, to which a methacryloylic moiety is attached via a spacer to the hydrophilic head group. A methylene group of the spacer, the methyl‐head group and methylene groups in the 1‐, 2‐, and 7‐position of the lipid... ...
Wiley - Tập 89 Số 11 - Trang 1208-1214 - 1985
A Combined Flash Photolysis/Shock‐Tube Study of the Absolute Rate Constants for Reactions of the Hydroxyl Radical with CH4 and CF3H around 1300 KAbstract A combined flash photolysis/shock‐tube technique for the direct investigation of the rates of bimolecular reactions of the OH radical at temperatures between 1000‐1500 K is described. In this technique shock heated mixtures of approximately 0.5% of H2 O in Ar and containing small amounts of a selected reactant, are subjected to flash pho... ...
Wiley - Tập 82 Số 4 - Trang 409-414 - 1978
Hydrogen Abstraction Reactions by NH2(X̄2B1)‐Radicals from Hydrocarbons in the Gas PhaseAbstract Rate constants for the reactions of the NH2 (X2 B1 ) radical with ethane, propane and cyclohexane were measured in an isothermal flow system. Kinetic data were obtained at 4 mbar helium pressure in the high temperature range given below. [NH2 ](t)‐profiles were mapped at pseudo‐... ...
Wiley - Tập 91 Số 7 - Trang 700-708 - 1987
Hydrogen Abstraction Reactions by NH2(X̃2B1)‐Radicals from Hydrocarbons in the Gas PhaseAbstract The NH2 (X̃2 B1 ) radical reactions with saturated hydrocarbons, toluene and acetaldehyde were investigated in an isothermal discharge flow system over the given temperature ranges. The pressure was varied between 2.6 and 7.8 mbar. Helium was used as the main carrier gas. The temperature dependence... ...
Wiley - Tập 90 Số 12 - Trang 1210-1219 - 1986
On Coulombic and Solvophobic Liquid‐Liquid Phase‐Separation in Electrolyte SolutionsAbstract We have performed a systematic study of liquid‐liquid phase equilibria in aqueous and non‐aqueous solutions of tetraalkylammonium salts up to about 500 K, covering a large number of hydrogen‐bonding, dipolar aprotic and non‐polar solvents. There appear to be two different types of liquid‐liquid phase equilibria resulting from long‐range Coulombic and from s... ...
Wiley - Tập 95 Số 12 - Trang 1579-1586 - 1991
A. B. P. Lever: Inorganic Electronic Spectroscopy, Vol. 33 aus: Studies in Physical and Theoretical Chemistry, Elsevier, Amsterdam, Oxford, New York, Tokio 1984. 863 Seiten, Preis: $ 113, 50.
Wiley - Tập 89 Số 1 - Trang 99-100 - 1985
Applications of the Augmented van der Waals Theory of Fluids.: I. Pure FluidsAbstract The relation for the compressibility of hard convex bodies (Boublik, 1975) is combined with the power series in (u/k T ) and (V°/V ) (Alder et al., 1972) to obtain the most general and accurate equation of state of fluids. 24 universal constants of the series were fitted to the internal energy and ...
Wiley - Tập 81 Số 10 - Trang 1048-1052 - 1977
Electrostatic Interactions of Bodies Bearing Thin Double‐Layers II. Exact Numerical SolutionsAbstract A new numerical algorythm was used to calculate the electrostatic interaction forces between regularly shaped particles bearing thin double‐layers immersed in an arbitrary electrolyte. Our numerical procedure enabled the solution of the nonlinear one‐dimensional Poisson‐Boltzmann (PB) equation in which the excluded volume effect is quantitatively considered... ...
Wiley - Tập 94 Số 12 - Trang 1492-1499 - 1990
Electrostatic Interactions of Bodies Bearing Thin Double‐Layers I. General FormulationAbstract The modified Poisson‐Boltzmann (PB) equation was formulated for a system of flat dissimilar double‐layers by considering the excluded volume effect. Limiting solutions of the modified PB equation derived for an isolated plate, and for two‐plate system at large and small separations and arbitrary electrolyte composition were discussed. Results obtained for t... ...
Wiley - Tập 94 Số 12 - Trang 1483-1492 - 1990
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