Search for dissertations about: "Christer Hansson"

Showing result 1 - 5 of 8 swedish dissertations containing the words Christer Hansson.

  2. 1. A prototype system for logical reasoning about time and action

    Author : Christer Hansson; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : This thesis presents the experience and results from the implementation of a prototype system for reasoning about time and action. Sandewall has defined syntax, semantics and preference relations on the interpretations of a temporal logic. READ MORE

  4. 2. Water and Heat Transport in Road Structures : Development of Mechanistic Models

    Author : Klas Hansson; Lars-Christer Lundin; Kurt Roth; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Hydrology; Water flow; Heat flow; Unsaturated flow; Freeze-thaw; Numerical models; Uncertainty analysis; Sensitivity analysis; Roads; Overland flow; Flow patterns; TDR; Water content reflectometer; Calibration; Fractures; Hydrologi; Hydrology; Hydrologi;

    Abstract : The coupled transport of water and heat, involving freezing and thawing, in the road structure and its immediate environment is important to consider for optimal design and maintenance of roads and when assessing solute transport, of e.g. de-icing salt, from roads. READ MORE

  5. 3. Air Pollution Dependency on Climate Variability and Source Region : Past, Current and Future Air Pollution Scenarios over Europe

    Author : Camilla Andersson; Hans-Christen Hansson; Christer Johansson; Joakim Langner; David Simpson; Peter Builtjes; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Acidification; Air Pollution; Climate Change; Europe; Numerical Model; Emission; Eutrophication; Key region; Nitrogen Dioxide; Particulate Matter; PM; Source region; Surface Ozone; Tropospheric Ozone; Earth sciences; Geovetenskap; Applied Environmental Science; tillämpad miljövetenskap;

    Abstract : The main objectives of this thesis were to investigate the dependency of European air pollution on climate variability and emission source region. Calculations with a chemistry transport model (CTM) were conducted to investigate the influence of climate variability. READ MORE

  6. 4. Microdialysis as a Tool in Studies of L-Dopa and Metabolites in Malignant Melanoma and Parkinson’s Disease

    Author : Nil Dizdar (Dizdar Segrell); Bertil Kågedal; Jan-Edvin Olsson; Christer Hansson; Linköpings universitet; []
    Keywords : Microdialysis; L-Dopa; Malignant Melanoma; Parkinson s Disease; in vivo; MEDICINE; MEDICIN;

    Abstract : A model with human melanoma xenografts transplanted to athymic mice has been adopted for in vivo studies of 5-S-cysteinyldopa (an intermediate pigment metabolite), glutathione, and cysteine. L-Dopa is an intermediate metabolite in pigment formation and is also important in the treatment of Parkinson's disease, and therefore 1 have also studied the pharmacokinetics of this compound. READ MORE

  7. 5. Emissions, dynamics and dispersion of particles in polluted air

    Author : Lars Gidhagen; Hans-Christen Hansson; Christer Johansson; Joakim Langner; Øystein Hov; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Meteorology; Meteorologi;

    Abstract : The main objective of this thesis is to yield information on how atmospheric fine and ultrafine particles are dispersed in populated areas. Quantitative information on emissions, transport and removal is needed to assess the health risks of inhalable particles. READ MORE