Search for dissertations about: "Photo-protection"

Found 2 swedish dissertations containing the word Photo-protection.

  2. 1. Daphnids adaptive strategies to UV radiation

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

    Abstract : 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. READ MORE

  4. 2. Enhancing UV protection of clear coated exterior wood by reactive UV absorber and epoxy functional vegetable oil

    Author : Sara Olsson; Mats Johansson; Gilles Sèbe; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Since ancient times wood has played a large role in human activities, both in terms of fuel and for construction purposes. A drawback with wood in exterior applications is, however, its susceptibility to photo-initiated degradation, caused by radiation from the sun. READ MORE