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Showing result 1 - 5 of 9 swedish dissertations matching the above criteria.

  2. 1. Road construction materials as a source of pollutants

    Author : Åsa Lindgren; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Traffic Engineering; Trafikteknik;

    Abstract : This thesis deals mainly with road construction materials, particularly in cases where they may contribute polluting substances. The complexity of the measuring and evaluation of some pollutants with respect to sampling and chemical analysis is considered. READ MORE

  4. 2. Horizontal variation of plankton in lakes

    Author : Åsa Dottne-Lindgren; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : .... READ MORE

  5. 3. Effects of herbivory on arctic and alpine vegetation

    Author : Åsa Lindgren; Ove Eriksson; Jon Moen; Anders Angerbjörn; Ingibjörg S Jónsdóttir; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; herbivory; reindeer; rodents; functional traits; plant species composition; arctic; alpine; tundra; seed limitation; Carex bigelowii; Biology; Biologi; Plant Ecology; växtekologi;

    Abstract : The distribution of plant species and functional traits in alpine and arctic environments are determined by abiotic conditions, but also by biotic interactions. In this thesis, I investigate interactions among plants and herbivory effects on plant community composition and plant functional traits in three different regions: Swedish Lapland, Beringia (USA/Russia) and Finnmark (Norway). READ MORE

  6. 4. Function of natural killer cells in Helicobacter pylori infection and gastric cancer

    Author : Åsa Lindgren; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Natural killer cells; Helicobacter pylori; gastric cancer; IFN-γ; TLR;

    Abstract : Helicobacter pylori infection is one of the most wide-spread infections in the world and causes a chronic inflammation in the gastrointestinal mucosa characterised by increased production of IFN-γ and is associated with an increased risk of developing gastric cancer. The mechanisms behind the development of gastric cancer in H. READ MORE

  7. 5. Down syndrome : Growth and endocrine impact

    Author : Åsa Myrelid; Jan Gustafsson; Göran Annerén; Ann-Christine Lindgren; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Down syndrome; growth; growth charts; body proportions; growth hormone; thyroid function; metabolism; body composition; cognition; motor development; Downs syndrom; tillväxt; tillväxtkurvor; kroppsproportioner; tillväxthormon; sköldkörtelfunktion; metabolism; kroppssammansättning; kognitiv förmåga; motorisk utveckling; Paediatric medicine; Pediatrisk medicin; pediatrik; Pediatrics;

    Abstract : Down syndrome (DS) is associated with psychomotor retardation, short stature and endocrine dysfunction. Statural growth is a well-known indicator of health. The growth in DS differs markedly from that of other children and there is a 20 cm reduction of final height as compared to target height. READ MORE