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Visar resultat 1 - 5 av 213 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Nitric Oxide Exchange in Central and Peripheral Airways : Determinants in Health and Respiratory Disease

    Författare :Andrei Malinovschi; Christer Janson; Kjell Alving; Lena Holm; Elisabeth Bel; Uppsala universitet; []
    Nyckelord :exhaled nitric oxide; alveolar NO; bronchial NO flux; extended NO analysis; asthma; smoking; snus; IgE-sensitization; pharyngo-oral tract; nitrate; nitrite; pulmonary hypertension;

    Sammanfattning : Background: Exhaled nitric oxide (NO) is a marker of eosinophilic steroid-sensitive inflammation in the airways of patients with respiratory disease. Moreover, information about the localization of inflammation in the respiratory tree is obtained by estimates of bronchial and alveolar contributions to exhaled NO. 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. A periodically Ordered Structures in One Dimension

    Författare :Michael Hörnquist; Mads Peter Sørensen; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : This thesis deals with different aspects of aperiodically ordered structures in one dimension. The approach is entirely theoretical, and the models used have various relevance for real systems. LÄS MER

  5. 4. Learning for safety in health care and air traffic control

    Författare :Sven Ternov; Ergonomi och aerosolteknologi; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Risk management; accident models; complex systems; health care; air traffic control; MTO analysis; DEB-analysis; proactive risk analysis.;

    Sammanfattning : Introduction Risk management in enterprises, organisations and companies has had a long and complicated history. During the eighties, and at least during the beginning of the nineties, the notion concerning risk management was that if an accident happened in an otherwise perfect system it was due to the human operator in some way being the cause of the error. LÄS MER

  7. 5. Return to Sender : Essays on Extended producer Responsibility

    Författare :Helén Forslind; Göran Skogh; Astri Muren; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Extended Procedur Responsibility; End-of-Life vehicles; Economic incentives; Growth; Producentansvar; Pantsystem; Tillväxt; Economics; Nationalekonomi;

    Sammanfattning : The purpose of this thesis to increase the understanding of how Extended Producer Responsibility (EPR) affects the economy. EPR is a principle stating that producers should be responsible for the environmental impact of their products throughout the life cycle. LÄS MER