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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 212 (1966), S. 142-145 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung DieBjerrumsche Theorie der Ionenpaarbildung wird kombiniert mit derGouy-Theorie, um den Betrag an Kationen-Paaren in Ton-Doppelschichten zu berechnen. Es wird gezeigt, da\ die Paarbildung steigt mit Abnahme der Elektrolytkonzentration in den Ton-systemen. Die Kationen-Paare verursachen, da\ das OberflÄchenpotential der Teilchen in einem kleinen Ma\e mit einer Abnahme variiert bei Abnahme der Elektrolytkonzentration. Die Paarbildung wird verwendet, um die Werte des Zetapotentials, berechnet aus der elektrolytischen LeitfÄhigkeit in Ton-Elektrolytsystemen, zu erklÄren.
    Notes: Summary TheBjerrum theory of ion pair formation is combined with theGouy theory in order to calculate the amount of cations paired in clay double layers. It is shown that the paired amount increases with the decrease in electrolyte concentration present in clay systems. The pairing of cations causes the surface potential of particles to vary within a small range with some decrease with the decrease in electrolyte concentration. The pairing effect is used to explain the values of zeta potentials calculated from electric conductance measurements in clay electrolyte systems.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 205 (1965), S. 104-107 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Die spezifische Leitfähigkeit von Kaolinsuspensionen wurde für verschiedene NaCl- und Partikelkonzentrationen bestimmt. Sie variiert linear mit diesen Konzentrationen. Die Steigung der Geraden hängt von der Differenz der Leitfähigkeiten von Ionen und Partikeln ab. Es lassen sich Gleichungen ableiten, die die Gesamtleitfähigkeit zu den Leitfähigkeiten von Elektrolyten und Partikeln in Beziehung setzen. Die Differenzen zwischen berechneten und beobachteten Leitfähigkeiten werden diskutiert.
    Notes: Summary The specific conductance of kaolin suspensions was determined at different NaCl and particle concentrations. It was found to vary linearly with particle and/or electrolyte concentration. The slope of the lines was found to depend on the difference in the conductances of ions and particles. Equations relating the total conductance to the conductances of electrolyte and particles were derived. The differences between the calculated and observed conductances were discussed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 24 (1987), S. 177-202 
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: This article describes numerical modelling of heat transfer and thermoelasticity effects that are significant in thermo-optical designs of solid state slab lasers capable of high average output power. The heat equation and equations of thermoelasticity are solved simultaneously to evaluate thermal stresses and microscopic deformations in isotropic and anisotropic laser host media. An efficient dynamic alternating-direction implicit method has been developed and applied in this work to solve the steady state heat transfer and stress potential equations in two dimensions. Numerical results are presented for some problems that arise in baseline designs of experimental slab laser systems.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
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