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  • 1
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 25 (1969), S. 1671-1674 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 209 (1966), S. 496-497 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although Stephens's concept of linking the lateritic leaching processes in one great region with the deposition of silica in the adjacent one is appealing in its simplicity, severe doubts come to mind if one attempts to visualize the process of fairly regular distribution of the silica over a ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 210 (1966), S. 832-832 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Wellman and Wilson, however, also suggest that salt weathering has been, and is, operative in the formation of "some kinds of tors, and at least some hills that have been described as inselbergs". While I do not intend to question their observations of salt weathering and its influence on such land ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 313 (1965), S. 874-877 
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 222 (1968), S. 39-50 
    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: Summary The equalization procedures of inhomogeneous interfaces being the basis of the interface convection flows may be reduced to three fundamental processes: a. Spreading parallel to the interface with a definite spreading direction and spreading pressure. b. vortices with definite rotation sense and c. at curved interfaces deformations vertical directed to the interface with coincident acting vortex and spreading movements in most cases. The greater the differences and the gradients of the interface energies the more intensive are the equalization procedures and with that the interface convection flows. The disturbances leading to the inhomogeneity of the interface are divided in disturbances giving occasion to forced or to free interface convection flows. With this the following types of disturbances are important: material interchanges (three substance boundaries in two or three phase systems), heat transition, density instability, hydrodynamic and diffusion dependent instability and electrical fields.
    Notes: Zusammenfassung Die zu Grenzflächenkonvektionsströmungen führenden Ausgleichsvorgänge inhomogener Grenzflächen können auf drei Elementarprozesse zurückgeführt werden: a. Tangential zur Grenzfläche gerichtete Spreitung mit definierter Spreitungsrichtung bzw. mit definiertem Spreitungadruck. b. Wirbel mit definiertem Drehsinn und c. bei gekrümmten Grenzflächen senkrecht zur Grenzfläche gerichtete Deformationen, wobei gleichzeitig Wirbel- und Spreitungsbewegungen ablaufen können. Je größer der Unterschied und die Gradienten der Grenzflächenenergien sind, desto intensiver sind die Ausgleichsbewegungen und damit die Grenzflächenkonvektion. Die zur Inhomogenität der Grenzfläche führenden Störungen werden eingeteilt in Störungen, die Anlaß zu erzwungener oder zu freier Grenzflächenkonvektion geben. Hierbei spielen folgende Störungstypen eine Rolle: Stoffübergänge (Dreistoffgrenzen in Zwei- und Dreiphasensystemen), Wärmeübergänge, Dichteinstabilität, hydrodynamisch- und diffusionsbedingte Instabilität und elektrische Felder.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 235 (1969), S. 1225-1230 
    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: Summary The electrically induced light scattering component of a kaolin suspension, which has the double frequency of the applied electrical field, is investigated as a function of frequency, temperature, concentration and sort of electrolyte, degree of polarisation, and the building-up process. A component of the single frequency of the applied field is pointed out. Conclusions are drawn on the processes at the phase-boundary solid-liquid from the experimental results.
    Notes: Zusammenfassung Es werden die Frequenz-, Temperatur-, Elektrolytabhängigkeit und der Polarisationsgrad sowie die Einschwingvorgänge der elektrisch induzierten Streulichtkomponente mit der doppelten Frequenz des angelegten elektrischen Feldes an einer Kaolinsuspension untersucht. Eine Komponente der einfachen Frequenz des angelegten Feldes wird nachgewiesen. Aus den experimentellen Ergebnissen werden Rückschlüsse auf die Vorgänge an der Phasengrenze fest-flüssig gezogen.
    Type of Medium: Electronic Resource
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  • 8
    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: Summary It is shown by theory and experiment that the interaction at the phase-boundary liquid-solid between suspended particles and electrolyte or suspension medium can be measured. The interaction produces effects like the building up and swinging out of the direct light- and alternating-light-component of the birefringence, the electrolytd depending amplitudes, phase shifts of the alternating light component depending on field strength and electrolyte, and the phenomenon of an alternating light component with the same frequency of the acting electrical field. The study of these effects permits conclusions on the mechanisms of the interaction. In an experimental part these effects are proved with a kaolin suspension and their properties are determined and discussed in more detail.
    Notes: Zusammenfassung Es wird theoretisch und experimentell gezeigt, daß sich die Wechselwirkung zwischen suspendierten Teilchen und Elektrolyt oder Suspensionsmittel an der Phasengrenzfläche flüssig-fest elektrooptisch erfassen läßt. Die Wechselwirkung bedingt im Wesentlichen das Auftreten von Ein- und Ausschwingvorgängen der Gleich- und Wechsellichtkomponenten der Doppelbrechung, führt zu elektrolytspezifischen Amplituden, zu feldstärke- und elektrolytabhängigen Phasenverschiebungen der Wechsellichtkomponente und zum Auftreten einer Wechsellichtkomponente der Frequenz des angelegten Feldes. Das Studium dieser Effekte gestattet Rückschlüsse auf den Mechanismus der Wechselwirkung. Im experimentellen Teil werden diese Effekte an einer Kaolinsuspension nachgewiesen und ihre Eigenschaften näher bestimmt und diskutiert.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 313 (1965), S. 699-704 
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 315 (1966), S. 163-172 
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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