Sökning: "ultraviolet radiation"

Visar resultat 6 - 10 av 130 avhandlingar innehållade orden ultraviolet radiation.

  1. 6. Daphnids adaptive strategies to UV radiation

    Författare :Carla Eloisa Fernández; Avdelningen för Teknisk vattenresurslära; []
    Nyckelord :Cladocera; Zooplankton; Andean lakes; Daphnia; Ultraviolet radiation; Migration strategy; Photo-protection;

    Sammanfattning : This thesis focuses on the adaptive strategies of daphnids that allows them to maintain stable populations while deal with UV radiation, highlighting the differences in the responses that populations with different evolutionary histories may have.Although exposition to lethal doses in nature is unlikely, sub-lethal UV-B radiation doses may have strong impacts on zooplankton. LÄS MER

  3. 7. Laser-Plasma Sources for Extreme-Ultraviolet Lithography

    Författare :Björn Hansson; KTH; []
    Nyckelord :fluid and plasma; radiation; electronics; electrical;

    Sammanfattning : This thesis describes the development and characterizationof a liquidxenon- jet laser-plasma source forextreme-ultraviolet (EUV) radiation. It is shown how thissource may be suitable for production-scale EUV lithography(EUVL). LÄS MER

  4. 8. Chloroquine, ultraviolet radiation and the skin : clinical and experimental studies

    Författare :Gunilla Sjölin-Forsberg; Uppsala universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : .... LÄS MER

  5. 9. Cataract from ultraviolet radiation in the mouse

    Författare :Linda Maren Meyer; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Lens; cataract; ultraviolet radiation; oxidative stress; mouse; light scattering;

    Sammanfattning : Cataract is defined as an opacification of the crystalline lens that results in visual impairment, Cataract is the number one cause of blindness in the world and there are currently no strategies to prevent it. Extraction of cataractogenous lenses is the most commonly performed surgical intervention in industrialized countries. LÄS MER

  7. 10. Ultraviolet radiation cataract development and ascorbate supplementation

    Författare :Vino C Jr Mody; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Background: Cataract is the major cause of blindness in the world, and long-term solar ultraviolet radiation (UVR) is a major risk factor. The pathogenesis of UVRinduced cataract is studied in various animal models and cell systems. LÄS MER