Sökning: "fredrik g"

Visar resultat 11 - 15 av 217 avhandlingar innehållade orden fredrik g.

1. 11. Chemical Communication and Mate Choice : Investigations into the Meaning of a Fruit Fly Pheromone

   Författare :Björn G. Johansson; Göran Arnqvist; Fredrik Widemo; Anders Berglund; Allen Moore; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ecology; Drosophila grimshawi; sexual selection; pheromone; mate choice; lekking; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

   Sammanfattning : Chemical signals are the most widely used form of sexual communication throughout the living world. However, there is in general little knowledge about what these signals actually communicate. The role of chemical signals, i.e. LÄS MER

3. 12. Empirical essays on unemployment and business cycles

   Författare :Erik Hegelund; Rodney Edvinsson; Fredrik N G Andersson; Josef Taalbi; Jan Ottosson; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; business cycles; Okun’s law; unemployment; capital formation; temporal disaggregation; band spectrum regression; wavelet analysis; ekonomisk historia; Economic History;

   Sammanfattning : This dissertation examines business cycles in Sweden, and the patterns in and driving forces of short- and long-term movements in unemployment in a selection of high-income countries throughout the 20th century. While this has been studied numerous times before, this dissertation starts from the point of view that there is no consensus in social science on how to understand these phenomena. LÄS MER

4. 13. Stressing Knowledge : Organisational closed-ness and knowledge acquisition under pressure

   Författare :Mats Koraeus; J.A. Verbeek; Fredrik Bynander; K. Lauche; P. 't Hart; E.K. Stern; M.H. Leyenaar; M.G. Valenta; S.L. Resodihardjo; Charles F. Parker; Försvarshögskolan; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; crisis management; knowledge management; organisational learning; organisational behaviour; expertise; advisory; Statsvetenskap med inriktning mot krishantering och internationell samverkan; Statsvetenskap med inriktning mot krishantering och internationell samverkan;

   Sammanfattning : Organisations have been analytically conceptualised as being somewhat analogous to individuals for a long time. They have culture; they can learn; and they can behave in various odd ways. LÄS MER

5. 14. Hydro-Climatic Variability and Change in Central America : Supporting Risk Reduction Through Improved Analyses and Data

   Författare :Beatriz Quesada-Montano; Sven Halldin; Hugo G. Hidalgo; Ida K. Westerberg; Fredrik Wetterhall; Denis Hughes; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Central America; climate variability; disaster risk reduction; droughts; drought indices; floods; hydrological model; process constraints; statistical downscaling; uncertainty; ungauged basins; water resources.; Hydrology; Hydrologi;

   Sammanfattning : Floods and droughts are frequent in Central America and cause large social, economic and environmental impacts. A crucial step in disaster risk reduction is to have a good understanding of the causing mechanisms of extreme events and their spatio-temporal characteristics. LÄS MER

7. 15. Acoustic and afterload evaluation of left ventricular assist devices

   Författare :Per Sundbom; Henrik Casimir Ahn; Laila Hübbert; Fredrik Gustafsson; Daniel M. G. Karlsson; Michael Broomé; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Afterload; Electronic stethoscope; Flow; HeartMate II; HeartMate 3; iOS-devices; Sound Analysis;

   Sammanfattning : Background: Heart Failure is a serious condition with consequences not only for the individual patient but also for the society with a 5-year mortality rate of 45-60%, and a substantial economic burden. The estimated prevalence in Sweden is 2.2% and the age adjusted prevalence increases with higher age. LÄS MER