Sökning: "Per Gren"

Hittade 5 avhandlingar innehållade orden Per Gren.

  1. 1. A pulsed TV holography system for the study of transients in experimental mechanics

    Detta är en avhandling från Luleå : Luleå tekniska universitet

    Författare :Per Gren; Luleå tekniska universitet.; [2000]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Experimental Mechanics; Experimentell mekanik;

    Sammanfattning : An all-electronic system for pulsed holographic interferometry called pulsed TV holography is developed. This is a whole-field non-contacting optical measurement method suitable for studies of transient events like wave propagation in solids and fluids. LÄS MER

  2. 2. Structured surfaces and turbulence

    Detta är en avhandling från Luleå : Luleå tekniska universitet

    Författare :Per Gren; Luleå tekniska universitet.; [1987]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Experimental Mechanics; Experimentell mekanik;

    Sammanfattning : .... LÄS MER

  3. 3. Cold-induced nonshivering thermogenesis : tissue origin, activation, recruitment

    Detta är en avhandling från Stockholm : The Wenner-Gren Institute, Stockholm University

    Författare :Valeria Golozoubova; Stockholms universitet.; [2001]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; zoofysiologi; Zoological physiology;

    Sammanfattning : Two types of heat production, shivering and nonshivering thermogenesis, are activated in mammals in the cold. In small mammals, nonshivering thermogenesis becomes the main source of heat upon long-term cold exposure. LÄS MER

  4. 4. Pathogenic Neisseria : Single cell motility, multicellular dynamics and antimicrobial susceptibility

    Detta är en avhandling från Stockholm : Wenner-Grens institut, Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University

    Författare :Olaspers Sara Eriksson; Stockholms universitet.; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Neisseria; Type IV pili; Twitching motility; PilT; Microcolony dynamics; PilU; NafA; Antimicrobial peptide; Cell-penetrating peptide; molekylär biovetenskap; Molecular Bioscience;

    Sammanfattning : Neisseria meningitidis and Neisseria gonorrhoeae can colonize humans without causing any symptoms. However, gonorrhea and invasive meningococcal disease are serious health concerns. An essential virulence factor for neisserial adhesion to host cells, twitching motility and microcolony formation/aggregation is the retractile type IV pili (Tfp). LÄS MER

  5. 5. Modelling Life Cycle Cost for Indoor Climate Systems

    Detta är en avhandling från Byggnadsfysik LTH, Lunds Tekniska Högskola

    Författare :Dennis Johansson; Lund University.; Lunds universitet.; [2005]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; HVAC; life cycle cost; energy; Energy research; Energiforskning; Byggnadsteknik; Building construction; indoor climate system; ventilation; maintenance; LCC;

    Sammanfattning : The indoor climate system, which serves a building with a proper indoor air quality and thermal comfort, has been predominantly designed based on the initial cost. A life cycle approach could improve both the economic and environmental performance since the energy use could decrease. LÄS MER