Sökning: "Birgit Johansson"

Hittade 3 avhandlingar innehållade orden Birgit Johansson.

  1. 1. Bad breath : prevalence, periodontal disease, microflora and inflammatory markers

    Författare :Birgit Johansson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Foetor ex ore; bad breath; halitophobia; oral hygiene; periodontal disease; periodontal pathogens and inflammatory markers;

    Sammanfattning : Bad breath usually originates within the oral cavity and is believed to be associated with periodontal disease. The over all aim of the present thesis was to study periodontal conditions in subjects with bad breath as well as the prevalence of bad breath in subjects with periodontal disease. LÄS MER

  3. 2. Perceptions of mathematics in preschool: "-Now we have a way of talking about the mathematics that we can work with"

    Författare :Maria Johansson; Birgit Brandt; Luleå tekniska universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Mathematics Education; Matematik och lärande;

    Sammanfattning : The overarching question for this thesis is what is preschool mathematics? This question is examined using different points of views or different perspectives such as the children’s, the preschool teachers and the researchers. The foundation for this thesis is seven articles, two single author articles and five co-authored articles. LÄS MER

  4. 3. Molluscs, Environment and Man - A Bioarchaeological Approach in Sweden

    Författare :Birgitta M. Johansson; Birgit Arrhenius; Urve Miller; David S. Reese; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; molluscs; role of shells; shell use; bioarchaeology; subfossil shells; environmental indicator; molluscs as food; personal ornaments; ethnography; Björkö-Birka.; Archaeology subjects; Arkeologiämnen;

    Sammanfattning : The thesis aims to examine the role and use of molluscs in Swedish prehistory, in chorological and chronological aspects. Molluscs live in the sea, fresh water and on land. The Swedish mollusc fauna contains 623 taxa: 417 marine, 85 limnic and 121 terrestrial species. LÄS MER