J. Festigkeits- und Gefügeuntersuchungen an experimentell und natürlich verformten Zinkblendeerzen. In: Paulitsch, Herausgeber P. eds. (1970) Experimentelle und natürliche Gesteinsverformung. Springer-Verlag,
It is explained why it is necessary to model the mass transfer carried out by an unsteady diffusion process. By introducing the flow-dependent number of phase contacts as a function of the Reynolds number the phase contact time is described theoretically. In this way the approximation of the ...