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Visar resultat 21 - 25 av 1516 avhandlingar som matchar ovanstående sökkriterier.
21. En kluven tid? : En studie av idéer och föreställningar om vetenskap och kunskap i Stiftelsen för miljöstrategisk forskning, MISTRA
Sammanfattning : During the 1990's an increased debate concerning a new way of funding, organising and doing research is discernible. Characteristic elements in this are: collaboration between university and industry, context of application, user orientation and interdisciplinarity. LÄS MER
22. Interactions between metals and bacteria : Importance for metal speciation
Sammanfattning : The objective of this thesis is to contribute to the understanding of the interactions between metals and microorganisms with respect to* Toxicity of metals (Cd, Cu, Hg, Zn)* Mineralization of metal-organic complexes (citric acid, histidine)* Metal adsorption (Cs, Sr, Eu, Hg, Zn, As)Most of the studies were made on the gram-negative bacterium Klebsiella oxytoca, but the work also involved a Serratia as as well as mixed cultures of microorganisms from soil systems.Most previous studies, reported in the literature, on the toxic effects of metals on microorganisms have been performed at high nutrient levels, despite the fact that microorganisms in nature normally live under energy-limited conditions. LÄS MER
23. Ecostrategies in theory and practice : Farmer's perspectives on water, nutrients and sustainability in low-resource agriculture in the dry zone of Sri Lanka
Sammanfattning : PROBLEMThe need for a sustainable man - nature relationship has long been a neglected aspect of development theory. The increasing awareness of this negligence has led to a search for development strategies alternative to conventional industrial growth. LÄS MER
24. Visuell kultur i barns vardagsliv : Bilder, medier och praktiker
Sammanfattning : This study concerns visual culture in 64 children-s (6- to 8-year-olds) everyday practices at a Swedish after-school center. It draws on an interdisciplinary theoretical framework, ranging from visual culture to discourse analysis, exposing the complexity of visuality in children-s social interactions, when talking about TV-programs, mimicing Spice Girls videos, drawing caricatures or looking at picture books. LÄS MER
25. Att göra abstrakta begrepp och komplexa situationer konkreta : en avhandling om deltagarbaserad aktionsforskning i svensk vård och omsorg
Sammanfattning : This dissertation covers the subject of how abstract concepts and complex situations can be concretized through research together with practitioners. The dissertation is based on four empirical studies. The researcher role, the practitioner participation and the methods for data collection and analysis have varied. LÄS MER