Search for dissertations about: "John Bergström"
Showing result 1 - 5 of 6 swedish dissertations containing the words John Bergström.
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1. Modeling and numerical simulation of hydro power flows
Abstract : This work is about high precision numerical water flow simulations of hydro power related applications, and especially draft tube flows. Because of the accuracy requirements for these types of simulations (the efficiency of a hydro power turbine can be over 90%), the work has been devided into several steps; verification, validation and modeling. READ MORE
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2. Numerical simulations of hydro power flows
Abstract : .... READ MORE
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3. Temporality and the Semantics of the Biblical Hebrew Verbal System
Abstract : This dissertation investigates the semantic factors behind the temporal meanings of the Biblical Hebrew (BH) verbal forms. Four different forms are studied, viz. qotel, yiqtol-L, qatal, and yiqtol-S. READ MORE
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4. The Origin of the Genus Flavivirus and the Ecology of Tick-Borne Pathogens
Abstract : The present thesis examines questions related to the temporal origin of the Flavivirus genus and the ecology of tick-borne pathogens. In the first study, we date the origin and divergence time of the Flavivirus genus. It has been argued that the first flaviviruses originated after the last glacial maximum. READ MORE
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5. Effects of inorganic nitrogen and organic carbon on pelagic food webs in boreal lakes
Abstract : Anthropogenic activities are increasing inorganic nitrogen (N) loadings to lakes in the northern hemisphere. In many boreal lakes phytoplankton are N limited, wherefore enhanced N input may affect the productivity of pelagic food webs. READ MORE