Search for dissertations about: "helen andersson"
Showing result 1 - 5 of 8 swedish dissertations containing the words helen andersson.
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1. Chemical Rock Grouting. An Experimental Study on Polyurethane Foams
Abstract : Grouting is used to change the physical characteristics of concrete, soil and rock. The changes are usually related to permeability and/or strength. Although the most widely used grout for sealing of rock masses is cement suspension, there are certain conditions where polyurethane grout is used as a complement. READ MORE
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2. Experimental Studies of Endocrine Disrupting Compounds in Vascular Cells and Tissues
Abstract : Epidemiological evidence suggest that exposure to endocrine disrupting compounds (EDCs) is a risk factor for diseases that involves the cardiovascular system but we know little about the mechanisms whereby these compounds can cause injury in the vasculature. The aim of this thesis was to characterize the effects and mechanisms of some EDCs in vascular cells and highly vascularized tissues. READ MORE
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3. The fuzzy front end of product innovation processes : the influence of uncertainty, equivocality, and dissonance in social processes of evolving product concepts
Abstract : Developing new products is essential for the long-term survival of companies. The fuzzy front end (FFE) is the first phase in the product innovation process and is considered an important determinant for successful product innovation. This thesis addresses the social process in which individuals evolve a product concept in the fuzzy front end. READ MORE
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4. Second language acquisition in 6- to 8-year-old native Spanish-speaking children : ERP studies of phonological awareness, semantics, and syntax
Abstract : Most people in the world and about a fifth of all school-aged Americans speak at least two languages. Nevertheless, little is known about second language (L2) processing in development, even though language proficiency is strongly related to success in almost all domains. READ MORE
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5. Vitamin A and ß-carotene metabolism and effects of UV irradiation in human keratinocytes and melanocytes
Abstract : Retinoids (vitamin A and its derivatives) are modulators of proliferation and differentiation. Both retinol (ROH) and its metabolite 3,4-didehydroretinol (ddROH) can be converted to retinoic acid (RA) and 3,4-didehydroretinoic acid (ddRA), ligands for the nuclear receptors, which induce gene transcriptions. READ MORE