Sökning: "John Eriksson"

Visar resultat 16 - 20 av 25 avhandlingar innehållade orden John Eriksson.

  1. 16. On failure of high strength steel bridge roller bearings

    Författare :Pourya Noury; Ove Lagerqvist; Kjell Eriksson; John Yates; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Stålbyggnad; Steel Structures;

    Sammanfattning : This thesis is concerned with failure analysis of high strength steel bridge roller bearings.Paper Adescribes how the commonly used Hertz formulas for contact stresses underestimate the actual stresses in practice due to temperature differences, misalignments and other construction-related conditions. LÄS MER

  3. 17. Reality-based brain-computer interaction

    Författare :Daniel Sjölie; Lars-Erik Janlert; Johan Eriksson; John Waterworth; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; reality-based brain-computer interaction; virtual reality; reality-based interaction; brain-computer interface; activity theory; the free-energy principle; grounded cognition; Cognitive science; Kognitionsvetenskap; Computer science; Datalogi; människa-datorinteraktion; människa-datorinteraktion;

    Sammanfattning : Recent developments within human-computer interaction (HCI) and cognitive neuroscience have come together to motivate and enable a framework for HCI with a solid basis in brain function and human reality. Human cognition is increasingly considered to be critically related to the development of human capabilities in the everyday environment (reality). LÄS MER

  4. 18. Radiosynthesis of Perfluoroalkyl Substances : Chemical analysis, uptake, distribution, and partitioning studies

    Författare :Maria Sundström; Åke Bergman; John Butenhoff; Stefan Nobel; Johan Eriksson; Christopher Lau; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; PFOS; PFOA; PFBS; miljökemi; Environmental Chemistry;

    Sammanfattning : Perfluoroalkyl substances (PFASs) are widely utilized manmade chemicals. Their properties have made them highly appreciated in a variety of industrial and consumer product applications, including fire-fighting foams, hydraulic fluids, as well as in cookware and food contact papers. LÄS MER

  5. 19. Client orchestration for the implementation of energy innovation in construction

    Författare :Charlotta Winkler; Kristian Widén; Eugenia Perez Vico; John Lindgren; Per-Erik Eriksson; Högskolan i Halmstad; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; energy; innovation; implementation; systemic innovation; business ecosystem; innovation ecosystem; client; construction; Smart Cities and Communities; Smarta städer och samhällen;

    Sammanfattning : This thesis aims to explore value creation from energy innovation in construction through implementation. The construction sector significantly impacts the environment. Buildings’ energy demand for heating and cooling accounts for 20% of annual global greenhouse gas emissions. LÄS MER

  7. 20. Resande i arkitektur : John Åkerlunds liv och verk

    Författare :Karin Eriksson Hultén; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Art history; Architecture; national romanticism; care of local arts; crafts and history; ownhome movement; folk high schools; churches; tourist stations; industrial buildings; Konstvetenskap; Art; Konstvetenskap; konstvetenskap; History Of Art;

    Sammanfattning : The thesis describes John Åkerlund (1884-1961) as a prominent architect among all those who were active in Sweden in the first half of the 20th century. The aim is to shed light on an extensive and partly unique professional achievement, somewhat overshadowed by those who have so far been paid more attention. LÄS MER