Sökning: "Sofi Jonsson"

Visar resultat 1 - 5 av 8 avhandlingar innehållade orden Sofi Jonsson.

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

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

    Sammanfattning : 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. LÄS MER

  2. 2. Degradation Pathways of Dimethylmercury in Natural Waters

    Författare :Johannes West; Sofi Jonsson; Andrew Graham; Elena Gorokhova; Bridget Bergquist; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mercury; Marine; Degradation; Methylmercury; Aquatic; Environmental Sciences; miljövetenskap;

    Sammanfattning : Mercury (Hg) is a naturally occurring toxic trace metal whose release into the environment has been (and still is) exacerbated by human activities. The bioavailability of Hg is tied to its chemical speciation, with monomethylmercury (MMHg) being the primary form of Hg that bioaccumulates and biomagnifies. LÄS MER

  3. 3. Utbildning, social reproduktion och social skiktning

    Författare :Jan O. Jonsson; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Utbildningssociologi; Social skiktning; Jämlikhet;

    Sammanfattning : .... LÄS MER

  4. 4. Happy hour? Studies on well-being and time spent on paid and unpaid work

    Författare :Katarina Boye; Jan O. Jonsson; Marie Evertsson; Sonja Drobnič; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Well-being; paid work; housework; gender equality; family policy; parental leave; social comparison; Sweden; Europe; Sociology; Sociologi; Sociology; sociologi;

    Sammanfattning : The present thesis focuses on causes and consequences of paid working hours and housework hours among women and men in Sweden and Europe. It consists of four studies. Study I investigates changes in the division of housework in Swedish couples when they become parents. LÄS MER

  5. 5. Children's Living Conditions : Studies on Health, Family and School

    Författare :Sara Brolin Låftman; Jan O. Jonsson; Viveca Östberg; Anne H. Gauthier; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Children; living conditions; well-being; family; health; school; Sweden; Sociology; Sociologi; Sociology; sociologi;

    Sammanfattning : The present dissertation includes four empirical studies, each of which focuses on specific aspects of children’s living conditions. Study I analyses the association between young people’s social relations and health complaints using Swedish nationally representative survey data on 10- to 18-year-olds. LÄS MER