Search for dissertations about: "Ulf Grandin"
Found 2 swedish dissertations containing the words Ulf Grandin.
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1. Long-term studies of succession : Colonisation and seed banks
Abstract : Using data from long-term studies of the vegetation in two areas under primary succession, patterns of colonisation and the accumulated seed bank during plant succession were studied.At century-old small islands in Lake Hjälmaren, Sweden, the genetic structure of differently old populations of Moehringia trinervia and Lythrum salicaria was studied, using allozyme variation for M. READ MORE
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2. Tribology of Metal-Graphite Composites : A Study of Sliding Electrical Contact Surfaces
Abstract : An environmentally sustainable production of electrical power is important for preserving the earth’s natural resources. In order to utilize this power as efficiently as possible, it is of great importance to minimize the losses, for example in sliding electrical contacts. READ MORE