Sökning: "Anders Jonsson"

Visar resultat 21 - 25 av 49 avhandlingar innehållade orden Anders Jonsson.

  1. 21. Near field immobilization of selenium oxyanions

    Författare :Anders Puranen; Mats Jonsson; Christophe Jegou; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Se-79; Selenium; Immobilization; Redox; Iron; Corrosion; Palladium; Catalyst; Spent Nuclear Fuel; Repository; Nuclear chemistry; Kärnkemi;

    Sammanfattning : The topic of this doctoral thesis is the potential near field immobilization of the radionuclide 79Se after intrusion of groundwater into a spent nuclear fuel canister in a repository. 79Se is a non naturally occurring long lived selenium isotope formed as a result of fission in nuclear fuel. LÄS MER

  3. 22. Thermal Barrier Coatings for Diesel Engines

    Författare :Anders Thibblin; Ulf Olofsson; Stefan Jonsson; Senad Dizdar; Uta Klement; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; thermal barrier coatings; diesel engine; thermal cycling fatigue; heat flux; running-in; exhaust manifolds; yttria-stabilized zirconia; gadolinium zirconate; lanthanum zirconate; Machine Design; Maskinkonstruktion;

    Sammanfattning : Reducing the heat losses in heavy-duty diesel engines is of importance for improving engine efficiency and reducing CO2 emissions. Depositing thermal barrier coatings (TBCs) onto engine components has been demonstrated to have great potential to reduce heat loss from the combustion chamber as well as from exhaust components. LÄS MER

  4. 23. Analysing Sustainable Urban Transport and Land-Use : Modelling tools and appraisal frameworks

    Författare :R. Daniel Jonsson; Lars-Göran Mattsson; Anders Karlström; Paul Waddell; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; sustainable development; Civil engineering and architecture; Samhällsbyggnadsteknik och arkitektur;

    Sammanfattning : Sustainable development and climate change is high on the agenda for most cities around the world today. Urban transport is at the heart of these changes. Increasingly, it is recognised that not only is the emission of pollutants and greenhouse gases a problem, but also the detrimental effects of congestion and social exclusion. LÄS MER

  5. 24. Bildundervisning i möte med samtidskonst : bildlärares professionella utveckling i olika skolformer

    Författare :Anna Jonsson Widén; Hans Örtegren; Anders Marner; Venke Aure; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Visual Art Education; Contemporary Art; Teacher Education; Continuing Professional Development; Compulsory School; Secondary School; Folk high School; Voluntary Art School; Cultural Semiotics; Frame factor Theory; Bildundervisning; samtidskonst; lärarutbildning; kompetensutveckling; grundskola; gymnasieskola; folkhögskola; kulturskola; kultursemiotik; ramfaktorteori; pedagogiskt arbete; educational work;

    Sammanfattning : The aim of this thesis is to describe and review the visual art teaching profession from a wider cultural perspective. This can lead to a better understanding of how teachers in 2000s Sweden manage change and relate to their task. LÄS MER

  7. 25. Modeling lichen performance in relation to climate : scaling from thalli to landscapes

    Författare :Anna V Jonsson Čabrajić; Kristin Palmqvist; Jon Moen; Per-Anders Esseen; Mikaell Ottosson-Löfvenius; Göran Ågren; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Lichen; growth; model; micro-climate; hydration; activation; photosynthesis; respiration; Terrestrial ecology; Terrestisk ekologi; ekologisk botanik; Ecological Botany;

    Sammanfattning : Lichens can colonize nearly all terrestrial habitats on earth and are functionally important in many ecosystems. Being poikilohydric, their active growth periods are restricted to periods when the thallus is hydrated from atmospheric water sources, such as rain, fog and high relative humidity. LÄS MER