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Chapter and Conference Paper
Impact of Data Sampling on Performance and Robustness of Machine Learning Models in Production Engineering
The application of machine learning models in production systems is continuously growing. Hence, ensuring a reliable estimation of the model performance is crucial, as all following decisions regarding the dep...
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Article
Observational study on grade-dependent treatment for hemorrhoidal disease: a single center experience
GRUNDLAGEN: Das Ziel dieser retrospektiven Studie war es, die Ergebnisse nach stadiengerechter Hämorrhoidentherapie (I–IV°) an einer spezialisierten Abteilung zu untersuchen. METHODIK: Die Krankengeschichten a...
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Article
Unsere Erfahrungen mit der Staplerhämorrhoidektomie bei Patienten mit Hämorrhoiden, Mukosaprolaps, Rektozele
Grundlagen: Hämorrhoiden und Mukosaprolaps werden stadiengerecht nach unterschiedlichen Methoden behandelt. Die bisherigen Operationsverfahren hatten den Nachteil, daß mehr oder weniger große Ant...
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Chapter and Conference Paper
Effect of Fibrin Sealants on Growth and Adhesion of Human Endothelial Cells
Comparative studies on two fibrin sealants (Tissucol, Beriplast) tested the adhesion and proliferation of vascular endothelial cells (EC) harvested from human umbilical veins. Of special interest were the comp...
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Article
Feedback stabilization of a hybrid PDE-ODE system: Application to an overhead crane
This paper deals with the feedback stabilization of a hybrid PDE-ODE system which models an overhead crane with a flexible cable. The well-posedness of the closed-loop system is established, and asymptotic sta...
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Chapter
A Generic Architecture with Neutralinterfacfs for Off-Line Robot Programming and Simulation
A generic architecture for a new robot off-line programming and simulation system, ROPSIM, has been synthesized. The generic architecture is based upon the open systems concept and identifies the robot program...
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Chapter and Conference Paper
Control of an overhead crane: Stabilization of flexibilities
This paper deals with the feedback stabilization of the cable of an overhead crane, by the means of the position of the platform. The well-posedness of the closed-loop PDE system with boundary control and homo...
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Chapter and Conference Paper
Energy decay estimates for a beam with nonlinear boundary feedback
We obtain decay estimates for an Euler-Bernoulli beam which is clamped at one end and controlled at the other end by a point force that is a nonlinear function of the observed transversal velocity. Numerical s...
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Chapter
Chemical Instabilities and “Shocks” in a Non-Linear Convection Problem Issued from Geology
The chemical transformation of a rock by a pervading convecting fluid in disequilibrium with it is modelled by a non-linear partial differential equation of hyperbolic type. Starting from a continuous concentr...
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Chapter and Conference Paper
Inwieweit stellen sich psychosomatische Probleme in der gynäkologischen Praxis?
Im Februar 1982 hat Conrad über das gleichlautende Thema in Freiburg referiert. Im Hinblick auf die traditionelle gynäkologische Weiterbildung mit ihren Schwerpunkten Operation, Geburtshilfe und Endokrinologie...
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Chapter and Conference Paper
Pseudo-Steady States in Solid-Liquid Systems
The behaviour of a closed system consisting of a solid phase with uniform granulometry and its aqueous solution is described by three equations:
a condition expressing ther...
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Article
Familial neurogenic acroosteolysis, amputation or skin grafting
A patient with familial neurogenic acroosteolytic defect of the foot was treated with a full thickness skin graft in order to prevent amputation of the lower leg. This graft proved to be of good weight bearing...
