Sökning: "Johan Sandström"

Hittade 5 avhandlingar innehållade orden Johan Sandström.

  1. 1. Analysis of rail breaks and insulated joint deterioration

    Författare :Johan Sandström; [2008]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Rail breaks; Heavy Haul; Insulated joints; Wheel flats; Railway mechanics; Material fatigue;

    Sammanfattning : The thesis deals with fatigue related issues in the field of railway mechanics. In particular rail breaks and deterioration of insulating joints are investigated. The study is largely motivated by plans to increase allowed axle loads in Sweden. LÄS MER

  2. 2. Organizational approaches to greening technocentrism and beyond

    Detta är en avhandling från Umeå : Umeå Universitet

    Författare :Johan Sandström; Umeå universitet.; [2002]
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; organizational greening; organizational approach; technocentrism; ecocentrism; anthropocentrism; reflexivity; postmodernism; environmental management; sustainable development; symbolic agora satisfiers;

    Sammanfattning : How and why do organizations approach greening? How can we conceptualize approaches and how can we encourage reflexive dialogues on them? These are the main questions addressed in this qualitative study on organizational greening. The study sets off by discussing matters of research philosophy, arguing that our trust in science ought to be revised and that a more postmodern and constructionist philosophy might be a way to go. LÄS MER

  3. 3. Wheels, Rails and Insulated Joints - Damage and Failure Probability at High Speed and Axle Load

    Detta är en avhandling från Umeå : Umeå Universitet

    Författare :Johan Sandström; [2011]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; rail breaks; probability; railway mechanics; contact mechanics; insulated joints; defects; fatigue;

    Sammanfattning : The thesis deals with some fatigue related problems in railway mechanics related to increased axle loads and speeds. The focus is on defects and discontinuities in the wheel--rail system that affect the risk of fatigue and fracture of railway components such as wheels, rails and insulated joints. LÄS MER

  4. 4. Managing Product Innovation in the Automotive Industry in light of the environmental challenge

    Detta är en avhandling från Luleå tekniska universitet

    Författare :Åsa Kastensson; Luleå tekniska universitet.; [2014]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Environmental Management; Miljöledning;

    Sammanfattning : A company’s ability to introduce new products is a key success factor for sustaining a competitive advantage. Increasing environmental concerns are an even stronger incentive to innovate. LÄS MER

  5. 5. A moral endeavour in a demoralizing context: Psychiatric inpatient care from the perspective of professional caregivers

    Detta är en avhandling från Luleå tekniska universitet

    Författare :Sebastian Gabrielsson; Luleå tekniska universitet.; [2015]
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Nursing; Inpatient care; Psychiatry; focus group; Qualitative methods; Concept development; Person-centred care; Content Analysis; Interviews; Medicine; Medicin; Nursing; Omvårdnad;

    Sammanfattning : Patients in psychiatric care experience a need for and expect to develop interpersonal relationships with professional caregivers and to be respected and listened to. Despite demands for care to be person-centred and recovery-oriented, patients experience that psychiatric inpatient care fails to meet their expectations. LÄS MER