Prof. C. C. Okell

Gutachter: Prof. Dr.-Ing. habil. Dr. h. c. Lothar Mörl

A two-dimensional balance model of populations distributed by property was developed using the ordinates of particle diameter andparticle density. This model makes it possible to calculate the spectrums of granulation changing over time in the fluidized bed duringbatch operation and in addition to calculate the time-dependent size distribution of the product granulate for continuous...

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An object belonging to a class is a of if it does not belong to any subclass of . An object is a of a class if it is a direct member of or is a direct member of some subclass of . One of the advantages of object-oriented data models [BM93] compared to other data models is that they support a direct representation of real-world domains. These models directly represent the structure and behavior ...

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This article has no abstract.

c-Frames and c-Bessel mappings

The theory of c-frames and c-Bessel mappings are the generalizationsof the theory of frames and Bessel sequences. In this paper, weobtain several equivalent conditions for dual of c-Bessel mappings.We show that for a c-Bessel mapping $f$, a retrievalformula with respect to a c-Bessel mapping $g$ is satisfied if andonly if $g$ is sum of the canonical dual of $f$ with a c-Besselmapping which  wea...