Book Chapter10.1007/978-3-642-86413-1_5
Theorie der Diffusion
Theodor Heumann,Helmut Mehrer +1 more
- 01 Jan 1992
- pp 65-102
8
TL;DR: In this paper, two Moglichkeiten dazu an, i.e., a phanomenologisch thermodynamischem Wege and a kinetisch-dynamischen Ableitung, are discussed.
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Abstract: Um einen tieferen Einblick in den Ablauf von Diffusionsvorgangen zu gewinnen, vor allem auch um die Einflusgrosen der Diffusion aufzudecken, ist es zweckmasig, den Teilchenstrom zu berechnen und die gewonnenen Ausdrucke sodann in die Form des 1. Fickschen Gesetzes zu bringen. Grundsatzlich bieten sich zwei Moglichkeiten dazu an. Die erste besteht darin, auf phanomenologisch thermodynamischem Wege die 1. Ficksche Gleichung abzuleiten. Die zweite basiert auf einer kinetisch-dynamischen Ableitung.
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Citations
Isotope Effect in Intermetallic Diffusion.
James Gentry Mullen
- 01 Jan 1960
TL;DR: In this article, it was shown from Vineyard's extension of reaction rate theory that the measured isotope effect is to a good approximation a product of the Bardeen-Herring correlation factor and the fraction of the total translational kinetic energy associated with the diffusing tracer in tracervacancy exchange.
190
Membrane potentials, synaptic responses, neuronal circuitry, neuromodulation and muscle histology using the crayfish: student laboratory exercises.
TL;DR: The usefulness of model invertebrate preparations to address fundamental questions pertinent to all animals is demonstrated and can begin to answer many questions remaining in other experimental preparations as well as in physiological applications related to medicine and health.
Basic Assumptions and Equations of Electroanalytical Models
Lesław K. Bieniasz
- 01 Jan 2015
TL;DR: In this article, the authors consider the kinetics of homogeneous reactions at interfaces, in particular in charge transfer reactions, and consider the uncompensated Ohmic potential drop and double layer charging.
Oxygen and nitrogen diffusion in titanium nitride
А. В. Бакулин,Л. С. Чумакова,S. E. Kulkova +2 more
TL;DR: Oxygen and nitrogen diffusion in titanium nitride was studied using computational methods, revealing distinct mechanisms and temperature-dependent diffusion coefficients, with implications for material properties and consistency with experimental data.
Hybrid Ermakov-Painlevé IV Systems
TL;DR: Ermakov-Painleve IV coupled systems are introduced and associated Ermakov type invariants isolated as discussed by the authors, and these invariants are used to obtain systematic reduction of the system in terms of the canonical Painleve-IV equation.
References
Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen
TL;DR: In el marco del Proyecto subvencionado by the Fundación Antorchas (FAN) as discussed by the authors, el material was digitalizado, e.g., en la Biblioteca del Departamento de Fisica de la Facultad de Ciencias Exactas de la Universidad Nacional de La Plata.
Frequency factors and isotope effects in solid state rate processes
TL;DR: In this paper, it was shown that an effective mass which depends on the direction of the path through the saddle point in configuration space determines the Arrhenius expression's effective frequency.
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•Book
Diffusion in Solids, Liquids, Gases
Wilhelm Jost
- 01 Jan 1952
TL;DR: In this paper, the authors discuss diffusion in solids, liquids, gases, and diffusion in liquids, solids and gases in the context of diffusion in liquid and gas. ǫ
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