Search for dissertations about: "mercury"

Showing result 6 - 10 of 187 swedish dissertations containing the word mercury.

  2. 6. Decontamination of Mercury from Aqueous Systems via Electrochemical PtHg4 Alloy Formation

    Author : Vera Roth; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Mercury; Platinum; Alloy Formation; Electrochemistry; Mercury Removal;

    Abstract : Mercury is worldwide a severe heavy metal pollutant and a serious threat to human health and ecosystems. Mercury can be released into the environment by various natural processes; however, mercury pollution has been significantly amplified by human activities such as mining, production of fertilizers, waste incineration and disposal. READ MORE

  4. 7. Remediation of mercury contaminated soil and biological mercury methylation in the landscape

    Author : Jingying Xu; Stefan Bertilsson; Andrea Garcia Bravo; Dario Acha; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Mercury contamination; Soil remediation; Methylmercury; Mercury methylation; hgcA; Community composition; Bacteria; Landscape; Biologi med inriktning mot mikrobiologi; Biology with specialization in Microbiology;

    Abstract : Accumulation of mercury (Hg) in soil originating from both natural and anthropogenic sources poses a major hazard to environmental and human health. Inorganic Hg(II) in soil can be transformed to highly toxic methylmercury (MeHg) mainly via methylating microorganisms. READ MORE

  5. 8. Mercury cycling in the global marine environment

    Author : Michelle Nerentorp; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; sea ice; air; seasonal and spatial variation; snow; Mercury cycling; seawater; mercury flux;

    Abstract : Mercury is a globally distributed contaminant that exists in the atmosphere in its elemental form as a stable monoatomic gas. Having a residence time of around one year in air allows it to be transported far from emission sources and end up in polar ecosystems. READ MORE

  6. 9. Expressions of mercury-selenium interaction in vitro

    Author : Peter Frisk; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Oncology; growth inhibition; inorganic mercury; interaction; organic mercury; selenite; selenomethionine; toxicity; uptake; Onkologi; Oncology; Onkologi; Biomedical Radiation Science; biomedicinsk strålningsvetenskap;

    Abstract : Interaction between mercury and selenium has previously been observed both in man and in animals. The aim of this work was to study expressions of interaction between mercury and selenium in human K-562 cells. READ MORE

  7. 10. Environmental politics and the enchantment of modernity : mercury and radioactive waste disposal in Sweden

    Author : Ylva Uggla; Rolf Lidskog; Johan Hedrén; Örebro universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; environmental politics; mercury; radioactive waste; modernity; risk; sociologi; Sociology; Sociologi; Sociologi; Sociology;

    Abstract : Current Swedish environmental policy embraces the notion of sustainable development and the discourse of ecological modernisation, both of which stress the role of modern institutions in environmental protection work. In pursuing ecological sustainability, the Swedish Government assigns importance to the issue of domestic, safe, final disposal of mercury and radioactive waste; responsibility for mercury and radioactive waste management must not be passed to future generations. READ MORE