Sökning: "kristina karlsson"

Visar resultat 1 - 5 av 13 avhandlingar innehållade orden kristina karlsson.

  1. 1. Mating strategies and sexual conflicts in aquatic invertebrates: consequences for evolutionary differentiation

    Författare :Kristina Karlsson; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Asellus aquaticus; Dytiscidae; gender bias; genetic polymorphism; mate guarding; parallel evolution; plasticity; population divergence; sexual conflict; sexually antagonistic selection; sexual selection;

    Sammanfattning : In this thesis I investigated how mating related strategies may differ among populations and how these strategies evolve in response to their local ecological environments. I have used two different study systems of aquatic invertebrates: diving beetles (Dytiscidae) and the fresh water isopod Asellus aquaticus. LÄS MER

  3. 2. Foaming of cellulose derivatives and hemicellulose-containing materials

    Författare :Kristina Karlsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; β-glucan; arabinoxylan; scale-up production; hydroxypropyl methylcellulose HPMC ; ethyl hydroxyethyl cellulose EHEC ; hot-mould foaming; extensional viscosity; extrusion; hemicellulose; rheological characterisation; Foaming; xylan; cellulose derivatives;

    Sammanfattning : Fossil-based polymeric foams are important materials due to their good mechanical properties relative their low density, the low price and the possibility for large-scale production. They are widely used in cushioning, absorbing and insulation applications. There are however a few disadvantages with these foamed products. LÄS MER

  4. 3. Foaming of Some Cellulose Derivatives - Initial Studies

    Författare :Kristina Karlsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; rheological characterisation; Foaming; hydroxypropyl methylcellulose HPMC ; scale-up production; ethyl hydroxyethyl cellulose EHEC ; hot-mould baking; cellulose derivatives; extrusion;

    Sammanfattning : Fossil-based polymeric foams, based on polymers such as polystyrene and polyurethane, are important and widely employed materials due to their good mechanical properties relative their low density, the low price and the possibility for large-scale production. There are however a few disadvantages with these foamed products. LÄS MER

  5. 4. Funktionshinder, samtal och självbestämmande : En studie av brukarcentrerade möten

    Författare :Kristina Karlsson; Lars-Christer Hydén; Claes Nilholm; Johans Sandvin; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Disability; Person-centred planning; Self-determination; Paternalism; Citizenship; Democracy; Discourse analysis; Funktionshinder; Brukarcentrering; Självbestämmande; Paternalism; Medborgarskap; Demokrati; Diskursanalys; Disability research; Handikappsforskning;

    Sammanfattning : Syftet med avhandlingen är att ur ett medborgarskaps- och kommunikativt perspektiv undersöka och problematisera funktionshindrade ”brukares” självbestämmande i samtal som förs under s.k. brukarcentrerade teammöten organiserade av en vuxen- respektive en barn- och ungdomshabilitering. LÄS MER

  7. 5. Autobiographical Memory : Depending on sensory retrieval cue and gender

    Författare :Kristina Petersén Karlsson; Fredrik Jönsson; Johan Willander; Sverker Sikström; Jonathan Koppel; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; autobiographical memory; sensory retrieval cues; age distribution; phenomenological ratings; latent semantic analysis LSA ; linguistic inquiry word count LIWC ; gender differences; Psychology; psykologi;

    Sammanfattning : In my thesis I raised two questions: Does autobiographical memory differ i) depending on the sensory retrieval cue (Study I and II)? and ii) depending on gender (Study III)?Concerning retrieval cues, three unimodal cues (i.e., photographs, naturalistic sounds and odors) and one multimodal cue (i.e. LÄS MER