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A signicant aspect of the transport companies is to decrease their operational costs. This can be done by optimizing their public transport services. Usually the operational cost of the transportation consists of the cost of the used vehicles and their drivers. It is a very complex task to solve such optimization problems and usually the optimized planning(More)
Michigan dairy farm residents ate farm products containing polybrominated biphenyls (PBB's) after the accidential contamination of animal feed with the chemical in that state in 1973. The circulating blood lymphocytes of these residents show significant changes. Abnormalities include decreases in the numbers and percentages of peripheral blood lymphocytes(More)
In 1996 Ivkovič and Lloyd [A fundamental restriction on fully dynamic maintenance of bin packing, Inform. on the asymptotic worst-case ratio for so-called fully dynamic bin packing algorithms, where the number of repackable items in each step is restricted by a constant. In this paper we improve this result to about 1.3871. We present our proof for a(More)
Human pleural malignant mesothelioma was successfully transplanted into nude mice from 2 of 3 patients. The tumor implants of the first generation grew in 6 of 20 mice (30%), with a take of implants of 17 of 32 (53%). Overall, tumors grew from 52 of 80 mice (65%) in a total of 169 of 266 implants (64%) during the first four generations. The mean delay(More)