Search for dissertations about: "white"
Showing result 16 - 20 of 1031 swedish dissertations containing the word white.
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16. Striving against adversity. : the dynamics of migration, health and poverty in rural South Africa
Abstract : Background: The study is based in post-apartheid South Africa and looks at the health and well being of households in the rural northeast. Temporary migration remains important in South Africa because it functions as a mainstay for income and even survival of rural communities. READ MORE
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17. The Story of Phosphorus : Sustainability implications of global phosphorus scarcity for food security
Abstract : The story of phosphorus began with the search for the philosopher’s stone, and centuries later the critical role of phosphorus in soil fertility and crop growth was highlighted. Eventually, phosphorus was implicated in the global environmental challenge of eutrophication. READ MORE
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18. The justification and legitimacy of the active welfare state : some philosophical aspects
Abstract : This thesis has two aims. The first aim is to set out an argument for social insurance in the form of compulsory income insurance in the event of sickness or unemployment, and to explore two lines of arguments for social insurance policies that are commonly associated with an active welfare state that seeks to prevent or reduce reliance on social insurance. READ MORE
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19. Exploring effective descriptions of gauge fields and strings : A Lagrangian approach with insights from color-kinematics duality
Abstract : The concept of a color-kinematics duality is an important driving force in advancing the modern understanding of scattering amplitudes, in both field theory and string theory. Yet, open questions remain that motivate the need for a deeper understanding of the duality. READ MORE
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20. An experimental investigation of disturbance growth in boundary layer flows
Abstract : This thesis deals with the early stages of transition to turbulence in two different baseflows, namely the Falkner-Skan-Cooke boundary layer (FSC) and the asymptotic suction boundary layer (ASBL). Grid-generated turbulence is studied in order to characterise the isotropy levels, free-stream turbulence levels and characteristic length scales that will be present in the receptivity study. READ MORE