Search for dissertations about: "Jonas Bengtsson"
Showing result 1 - 5 of 12 swedish dissertations containing the words Jonas Bengtsson.
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1. Odor perception in three Coleoptera: molecule, receptor & neuron
Abstract : In this thesis, the sense of olfaction and its links to behavior was studied in the cetoniid chafers Pachnoda interrupta and P. marginata, and the bark beetle Ips typographus. P. interrupta is a pest on sorghum in Ethiopia, and I. READ MORE
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2. Stopover Ecology of Mallards : Where, when and how to do what?
Abstract : The mallard (Anas platyrhynchos) is the most numerous and widespread duck in the northern hemisphere and a model species in ecology and harvest management. Migration is a crucial life stage for many birds and understanding the drivers of migration has important implications for conservation biology and assessment of animal population responses to global changes. READ MORE
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3. Negative symptoms, repetitive transcranial magnetic stimulation and heart rate variability in schizophrenia and depression
Abstract : Negative symptoms comprise anhedonia, avolition, and blunted affect. Although first described in schizophrenia, these symptoms share phenomenology with the depressive state. Pharmacological treatment has not been successful in reducing negative symptoms. READ MORE
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4. Increasing the value of household appliances by adding a heat pump system
Abstract : Historically, domestic tasks such as preparing food and washing and drying clothes and dishes were done by hand. In a modern home many of these chores are taken care of by machines such as washing machines, dishwashers and tumble dryers. READ MORE
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5. Phenomena in wire based multi-layer laser welding and hybrid deposition
Abstract : Several laser materials processing technologies using metal wire addition have been researched during the last decades. Especially in the field of joining, as well as in the field of Additive Manufacturing (AM), multiple major benefits have been reached, e.g. higher welding speeds and lower heat input. READ MORE