Sökning: "Gunnar Lundberg"

Visar resultat 1 - 5 av 11 avhandlingar innehållade orden Gunnar Lundberg.

  1. 1. Impact of Metallic Projectiles on a Ceramic Target Surface : Transition Between Interface Defeat and Penetration

    Författare :René Renström; Bengt Lundberg; Patrik Lundberg; Nils-Gunnar Ohlson; Uppsala universitet; []
    Nyckelord :Engineering physics; Projectile; Cylindrical; Conical; Yield strength; Compressibility; Perfect flow; Self-similar flow; Interface defeat; Dwell; Teknisk fysik; Teknisk fysik med inriktning mot hållfasthetslära; Engineering Science with specialization in Solid Mechanics;

    Sammanfattning : The purpose of this thesis is to gain understanding of the load on flat target surfaces produced by projectile impact. Models are proposed from which upper and lower bounds can be derived for the transition be-tween interface defeat and normal penetration. LÄS MER

  3. 2. Signs, symptoms, and disability related to the musculo-skeletal system : studies of home care personnel and patients with fibromyalgia

    Författare :Gunnar Lundberg; Ulrich Moritz; Linköpings universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : Low back pain (LBP) and neck/shoulder pain are the major reasons for sickness absence and disability pensions in Sweden. The working situation of home care personnel in Sweden frequently requires heavy lifting and forward bending and workers report high prevalences of work-related musculo-skeletal pain and high frequencies of work accidents, especially lower back injuries. LÄS MER

  4. 3. Survival patterns and density-dependent processes in breeding mallards Anas platyrhynchos

    Författare :Gunnar Gunnarsson; Kjell Sjöberg; Johan Elmberg; Per Lundberg; Kristianstad University; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Measuring and assessing vital rates such as births and deaths are prerequisites for understanding population dynamics. Vital rates may be affected by the density of individuals, even though the importance of density dependence on population dynamics has been debated for a long time. LÄS MER

  5. 4. Survival patterns and density-dependent processes in breeding mallards Anas platyrhynchos

    Författare :Gunnar Gunnarsson; Kjell Sjöberg; Johan Elmberg; Per Lundberg; Robert Clark; Högskolan Kristianstad; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; broods; dabbling ducks; density dependence; ducklings; experiments; models; mortality; nest predation; regulation; survival; Terrestrial ecology; Terrestrisk ekologi;

    Sammanfattning : Measuring and assessing vital rates such as births and deaths are prerequisites for understanding population dynamics. Vital rates may be affected by the density of individuals, even though the importance of density dependence on population dynamics has been debated for a long time. LÄS MER

  7. 5. Överläggningar om hållbar utveckling : En studie av studiecirkelsamtal

    Författare :Martin Lundberg; Staffan Larsson; Lisbeth Eriksson; Gunnar Sundgren; Linköpings universitet; []
    Nyckelord :Deliberative democracy; deliberations; study circle; sustainable development; Deliberativ demokrati; överläggningar; studiecirkel; hållbar utveckling; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP;

    Sammanfattning : Studiecirkeln är en pedagogisk praktik som tillskrivs en roll i den svenska demokratin. Studiecirkelns genomförande svarar väl mot en demokratisk praktik som framställs i deliberativ demokratiteori. Avhandlingens idé är att belysa deliberativ demokratiteori med empiri. LÄS MER