Search for dissertations about: "Erik Jonsson"

Showing result 1 - 5 of 21 swedish dissertations containing the words Erik Jonsson.

  1. 1. Unraveling the importance of solid and adsorbed phase mercury speciation for methylmercury formation, evasion and bioaccumulation

    Author : Sofi Jonsson; Erik Björn; Ulf Skyllberg; Erik Lundberg; Per Persson; Robert Mason; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; mercury; methylmercury; aquatic systems; estuary; Hg; MeHg; bioaccumulation; methylation; demethylation; evasion; sediment; water; terrestrial sources; atmospheric sources; climate change; eutrophication;

    Abstract : Monomethylmercury, MeHg, is formed under anoxic conditions in waters, sediments and soils and then bioaccumulated and biomagnified in aquatic food webs, negatively effecting both human and wildlife health. It is generally accepted that precipitation of mercury, Hg, and adsorption of Hg to e.g. READ MORE

  2. 2. Channel-Coded Feature Maps for Computer Vision and Machine Learning

    Author : Erik Jonsson; Michael Felsberg; Florentin Wörgötter; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; computer vision; machine learning; object recognition; pose estimation; Image analysis; Bildanalys;

    Abstract : This thesis is about channel-coded feature maps applied in view-based object recognition, tracking, and machine learning. A channel-coded feature map is a soft histogram of joint spatial pixel positions and image feature values. Typical useful features include local orientation and color. READ MORE

  3. 3. Fissure-hosted mineral formation and metallogenesis in the Långban Fe-Mn-(Ba-As-Pb-Sb...) deposit, Bergslagen, Sweden

    Author : Erik Jonsson; Ulf Hålenius; Tom Andersen; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; mineralogi; geologi; isotopgeokemi; mineraldiversitet; malmbildning; Palaeoproterozoikum; Bergslagen; Sverige; Earth sciences; Geovetenskap;

    Abstract : The Långban deposit in the Bergslagen ore province is one of the most mineral-rich and complex localities on Earth. Yet, despite more than 100 years of research, much about its origin and evolution has remained unknown. READ MORE

  4. 4. Development and optimization of a multipurpose heat pump for different climates

    Author : Mats-Erik Jonsson; KTH; []
    Keywords : Heat pumps;

    Abstract : .... READ MORE

  5. 5. Appropriating technologies in educational practices : studies in the contexts of compulsory education, higher education, and fighter pilot training

    Author : Lars-Erik Jonsson; Göteborgs universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : Not available.... READ MORE