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The nonlinear vibrations of dynamic soil compactors are taken as the basis for feedback control systems for intelligent compaction. According to the achieved compaction, the parameters of the soil compactor are continuously changed. The vibratory roller measures permanently the stiffness of the subgrade. In conjunction with GPS-data, this measurement can be(More)
Betabellin 15D is a 64-residue, disulfide-bridged homodimer. When folded into a beta structure, the protein is predicted to have two clusters of three histidine residues, each cluster able to bind a divalent metal ion. When the protein was incubated with Cu2+, Zn2+, Co2+, or Mn2+, metal complexes of betabellin 15D were observed by electrospray-ionization(More)
This paper deals with the dynamics of a novel milling cutting process. To implement this new milling technology, the dynamics of the process has to be controlled. For realizing this idea, different approaches for the optimal operation of the machine are introduced. A model of the milling process dynamics is developed. This dynamical model consists of the(More)
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