Sökning: "1 f process"

Visar resultat 21 - 25 av 158 avhandlingar innehållade orden 1 f process.

1. 21. Proteolytic imbalance in COPD : epidemiological and clinical aspects

   Författare :Robert Linder; Anders Blomberg; Anne Lindberg; Annelie F. Behndig; Arne Egesten; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Matrix metalloproteinases; MMP-9; MMP-12; lung function decline; epidemiology; COPD; OLIN; KOLIN; medicin; Medicine;

   Sammanfattning : Background: The complete pathologic mechanism behind the development of chronic obstructive pulmonary disease (COPD) remains unclear, but several risk factors have been identified, of which smoking is the most common. Proteolytic imbalance contributes to lung tissue degradation and is related to both smoking and COPD symptoms. LÄS MER

3. 22. Tinnitus – an acceptance-based approach

   Författare :Vendela Zetterqvist (f.d. Westin); Gerhard Andersson; Per Carlbring; Mary Rudner; Steven Linton; Linköpings universitet; []
   Nyckelord :Tinnitus; tinnitus interference; acceptance; defusion; Acceptance and Commitment Therapy; Tinnitus; tinnitusbesvär; acceptans; defusion; Acceptance and Commitment Therapy; MEDICINE; MEDICIN;

   Sammanfattning : Tinnitus is a highly prevalent health condition creating moderate or severe interference on mood, sleep and daily functioning for a group of those affected. The aims of this thesis were 1) to explore the role of acceptance and psychological flexibility in understanding tinnitus interference both experimentally and with a longitudinal design 2) to evaluate the immediate and long-term outcomes of an acceptance based behaviour therapy (Acceptance and Commitment Therapy; ACT) in the treatment of people with tinnitus and, 3) to investigate the relationship between treatment outcome and processes assumed to be the active ingredients of treatment (acceptance and cognitive defusion). LÄS MER

4. 23. Asymptotic Giant Branch stars viewed up-close and far-off : The physics, chemistry, and evolution of their circumstellar envelopes

   Författare :Matthias Maercker; Hans Olofsson; Fredrik L. Schöier; Laurentius B. F. M. Waters; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; AGB stars; evolution; mass-loss; abundances; Astronomy; Astronomi; Astronomy; astronomi;

   Sammanfattning : The asymptotic giant branch (AGB) is the last stage of stellar evolution for stars with masses between 0.8-8 M(sun). This phase is characterised by an intense mass loss, which builds up a circumstellar envelope of dust and gas(CSE). It is through this process that the AGB stars contribute to the chemical evolution of galaxies. LÄS MER

5. 24. Dynamic Modelling of Physical Processes in Magmatic Systems: Dyke Emplacement and Flow-Induced Crystal Rotations

   Författare :Rémi Vachon; Christoph F. Hieronymus; Janine Kavanagh; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Numerical solutions; elasticity and anelesticity; fracturing; magmatic plumbing system; sheet-like intrusions; rheology of the crust; physics of magma; solid mechanics; fluid flow; crystal rotation;

   Sammanfattning : The main motivation for this thesis is to develop and improve numerical tools and methods that help further our comprehension of the volcanic plumbing system and its dynamics.The commonly used standard elastic model predicts solutions of dyke shape, thickness, over-pressure and fracturing criteria that do not always fit natural observations. LÄS MER

7. 25. High growth rate epitaxy of SiC: growth processes and structural quality

   Författare :Mikael Syväjärvi; Robert F. Davis; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Silicon carbide (SiC) is a promising wide-bandgap semiconductor for applications such as high-power devices, high-voltage switches, high-temperature electronics and microwave components. The prospect of using this material is a large driving force for improving the material growth which is still quite immature in comparison with established semiconductor materials (e. LÄS MER