Sökning: "tunn film"

Visar resultat 16 - 20 av 27 uppsatser innehållade orden tunn film.

  1. 16. Bioplastic material from microalgae : Extraction of starch and PHA from microalgae to create a bioplastic material

    Kandidat-uppsats, KTH/Materialvetenskap

    Författare :Nathalie Johnsson; Fredrik Steuer; [2018]
    Nyckelord :Bioplastic material; Starch; PHA; PH3B; Extraction; Microalgae; Polymers; Bioplastiskt material; Stärkelse; PHA; PH3B; Extraktion; Mikroalger; Polymerer;

    Sammanfattning : Microalgae used in sewers to capture CO2 eventually turns into waste material. Through the use oftheir biomass, the waste algae can be given a new purpose. In this study attempts to extract starch or PHA from three different algae; Calothrix Scytonemicola, Scenedesmus Almeriensis and Neochloris Oleoabundans, were made. LÄS MER

  3. 17. CFD-simulations of urea-waterspray in an after-treatment systemusing Star-CCM+

    Master-uppsats, KTH/Mekanik

    Författare :Emelie Trigell; [2018]
    Nyckelord :after-treatment systems; selective catalytic reaction SCR ; AdBlue; multiphase flow; multi-component liquid; Unsteady Reynolds Average Navier Stokes RANS ; wall film formation; solid deposits; efterbehandlingssystem; selektiva katalytiska reaktioner; AdBlue; flerfasstr ¨ommning; flerkomponentvätska; Unsteady Reynolds Average Navier Stokes; väggfilm; avlagringar;

    Sammanfattning : The legislation has forced the vehicle industry to reduce tail-end emissions. The air pollutant nitrogen oxide (NOX) has been shown to have a negative impact on human health and the environment. One of the key technologies to reduce the levels of NOX emitted from a vehicle is by implementing an after-treatment system. LÄS MER

  4. 18. A Water Resistant Film Forming Emulsion - The First Steps towards a Topical Preventive Product against Intertriginous Dermatitis

    Master-uppsats, Lunds universitet/Livsmedelsteknik och nutrition (master)

    Författare :Ida Moen Larsson; [2017]
    Nyckelord :pharmaceutical technology; läkemedelsteknologi; Technology and Engineering; Biology and Life Sciences; Chemistry;

    Sammanfattning : Intertriginous dermatitis (Intertrigo) is a skin disease caused by friction between adjacent skin surfaces. Heat and moisture induces an inflammation, causing pain and often secondary infections. The aim of this degree project was to develop a prototype for a topical film forming emulsion for patients suffering from Intertrigo. LÄS MER

  5. 19. The Influence of Carboxylic Acid in Packaging Materials

    Master-uppsats, Lunds universitet/Centrum för analys och syntes

    Författare :Jonas Mattisson; [2016]
    Nyckelord :food packing; Packaging Material; Carboxylic Acid; delamination; adhesion; polymer technology; polymerteknologi; Technology and Engineering;

    Sammanfattning : Tetra Pak delivers food packing services world-wide and uses multilayer packaging materials to protect the food product from being affected by the environment. Loss of adhesion between the polymer and the aluminium layer in Tetra Paks packaging materials has proven to be a serious problem casing the package to lose its integrity and the food product to spoil. LÄS MER

  7. 20. X-ray diffraction studies on complex metal oxides

    Kandidat-uppsats, Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Författare :Albin Linder; [2015]
    Nyckelord :reciprocal space; compass; x-ray diffraction; XRD; magnetite; Physics and Astronomy;

    Sammanfattning : The ambition of this project is to assist in the pursuance of understanding the metal to insulator transition found in magnetite at ~120 K. The transition is itself very complex and links together the charge order, orbital order and lattice distortion of magnetite with its magnetic properties. LÄS MER