Sökning: "hellberg"

Visar resultat 21 - 25 av 62 avhandlingar innehållade ordet hellberg.

  1. 21. Amphiphilic ortho esters : a new type of cleavable surfactants

    Författare :Per-Erik Hellberg; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; ortho ester; nonionic; cleavable; surfactant; hydrolysis; block polymer; catatonic;

    Sammanfattning : .... LÄS MER

  3. 22. Polycrystalline SixGe1-xas the gate electrode in CMOS technology

    Författare :Per-Erik Hellberg; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  4. 23. A multivariate approach to QSAR

    Författare :Sven Hellberg; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; QSAR; beta-adrenergic agents; haloalkanes; halogenated anesthetics; peptides; fractional factorial design; multivariate data analysis; principal components PC ; partial least squares PLS ;

    Sammanfattning : Quantitative structure-activity relationships (OSAR) constitute empirical analogy models connecting chemical structure and biological activity. The analogy approach to QSAR assume that the factors important in the biological system also are contained in chemical model systems.The development of a QSAR can be divided into subproblems:1. LÄS MER

  5. 24. Effects of Pregnancy and Hormones on T cell Immune Regulation in Multiple Sclerosis

    Författare :Sandra Hellberg; Jan Ernerudh; Maria Jenmalm; Magnus Vrethem; Jan Brynhildsen; Tomas Olsson; Manuel Friese; Linköpings universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : Multiple sclerosis (MS) is characterized by a dysregulated immune system leading to chronic inflammation in the central nervous system. Despite increasing number of treatments, many patients continue to deteriorate. LÄS MER

  7. 25. The Biopolitics of Water: Technology, Subjectivity and Lifestyle in eThekwini Municipality, South Africa

    Författare :Sofie Hellberg; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Water; South Africa; Sustainable Development; Biopolitics; Green Governmentality; Hydropolitics; Technology; Narrative method; Life style ; Subjectivity;

    Sammanfattning : Water issues have for a long time been of central political concern in South Africa due to the scarcity of the resource. During the apartheid era, the distribution of water was deeply intertwined with a nationalist and racist agenda. LÄS MER