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Soft and Hard Mesons in Chiral Perturbation Theory

This thesis deals with Chiral Perturbation Theory (ChPT), an effective field theory for the strong force used to describe meson interactions. The work done can be split in two parts. The first one is on ChPT in its standard formulation. This theory has been very successful so far in describing low energetic processes. However, it is still not entirely clear how much it can be trusted for precision

Reconfigurable Parallel Kinematic Manipulator for Flexible Manufacturing

Flexible manufacturing puts high demands on industrial automation in terms of affordable and competitive solutions and is of key importance for short-lot production typically found in small and medium sized enterprises, situations where today manual labour is extensively used despite environmental issues and harsh working conditions. Key factors in the successful introduction of new robot automati

Exploring Smaller Settlements of the Great Zimbabwe Tradition, Buhera Region, Zimbabwe

Most work on the Great Zimbabwe tradition has focused on Great Zimbabwe itself and its major successor settlements. Smaller, contemporary stonewalled sites, some hundreds of kilometres from Great Zimbabwe, have been only mapped in most cases. Our goal has been to begin to explore both the homesteads within stone-enclosures at smaller Great Zimbabwe-tradition sites, and to seek out homesteads lying

Grafchart and Batch Recipe Structures

The paper presents how Grafchart can be used to implement batch recipe structures. Grafchart, a toolbox based on Grafcet/SFC, object-oriented programming constructs and ideas from high-level Petri nets, is presented in the paper. Grafchart exists in two versions, one basic version and one high-level version. By using the different features of Grafchart in various ways, recipes can be given differe