Sökning: "hår"

Visar resultat 1 - 5 av 18 avhandlingar innehållade ordet hår.

  1. 1. Photochemistry of Eumelanin Precursors Role of Excited State Proton Transfer for UV Photoprotection

    Författare :Alice Corani; Kemisk fysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Time-resolved; Fluorescence spectroscopy; Excited State Proton Transfer ESPT ; Photochemistry; Eumelanin; Melanin;

    Sammanfattning : Melanin is an epidermal pigment commonly known to give darker skin coloration under sun exposure. It is also present in the hair, eyes, inner ear and brain. LÄS MER

  3. 2. Strong Cosmic Censorship and Cosmic No-Hair in spacetimes with symmetries

    Författare :Katharina Maria Radermacher; Hans Ringström; James Isenberg; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Cosmic Censorship; Cosmic No-Hair; Big Bang; symmetry; Bianchi; T2-symmetry; Gowdy; general relativity; cosmology; late time; initial time; asymptotic behaviour; perfect fluid; scalar field; Einstein equations; Mathematics; Matematik;

    Sammanfattning : This thesis consists of three articles investigating the asymptotic behaviour of cosmological spacetimes with symmetries arising in Mathematical General Relativity.In Paper A and B, we consider spacetimes with Bianchi symmetry and where the matter model is that of a perfect fluid. LÄS MER

  4. 3. Moderna kvinnor : Modernitet, femininitet och svenskhet i svensk veckopress 1921 -1933

    Författare :Emma Severinsson; Forskarskolan i historia; []
    Nyckelord :Moderna kvinnor; 1920-tal; femininitet; genushistoria; svenskhet; populärkultur; veckopress;

    Sammanfattning : De moderna kvinnorna med korta kjolar och ännu kortare hår som jazzade sig igenom 1920-talets nöjesliv är en bild som reproduceras i populärkulturen än idag. Men de moderna kvinnorna sågs i sin samtid inte endast som nöjeslystna kommersiella produkter, utan användes som en arena för att diskutera frågor om nationalitet, rasbiologi, genus, kropp och det moderna samhällets utmaningar. LÄS MER

  5. 4. Mineral element contents in drinking water - aspects on quality and potential links to human health

    Författare :Ingegerd Rosborg; Avdelningen för kemiteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknik; Technological sciences; Naturvetenskap; Natural science; water treatment effects; hair concentrations; pH; magnesium; calcium; bicarbonate; drinking water; minerals;

    Sammanfattning : Mineral elements in drinking water have been in focus for more than a decade, especially as the habit of drinking bottled water has increased, not the least among young people. Minerals in drinking water have become more important since minerals in food, especially in vegetables, have decreased substantially the last decades. LÄS MER

  7. 5. Nature-inspired passive flow control using various coatings and appendages

    Författare :Ugis Lacis; Shervin Bagheri; Christophe Eloy; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; flow control; passive appendage; surface coating; pressure drag; friction drag; Flödeskontroll; passiva bihang; ytbeläggning; tryckmotstånd; friktionsmotstånd;

    Sammanfattning : There is a wide variety of tails, fins, scales, riblets and surface coatings, which are used by motile animals in nature. Since organisms currently living on earth have gone through millions of years of evolution, one can expect that their design is optimal for their tasks, including locomotion. LÄS MER