Sökning: "Lars-Olof Persson"

Hittade 3 avhandlingar innehållade orden Lars-Olof Persson.

  1. 1. Cation adsorption properties of substituted kraft fibres : an experimental and thermodynamic modelling study

    Författare :Ola Sundman; Lars-Olof Öhman; Per Persson; Janne Laine; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Kraft fibres; Donnan equilibria; ion exchange; acid base properties; potentiometric titrations; thermodynamic modelling; NPEs; GaAl12 7 ; EXAFS; Chemistry; Kemi;

    Sammanfattning : Acid/base and metal ion adsorption properties have been investigated for a range of chemically modified bleached Kraft fibre materials (pulps). The studies were performed via potentiometric titrations, Flame Atomic Absorbtion (and Emission) Spectroscopy, Inductively Coupled Plasma Optical Emission Spectroscopy and Extended X-ray Absorbtion Fine Structure measurements. LÄS MER

  2. 2. On the relation of optimism and self-esteem to sensual-aesthetic capacity and subjective health

    Författare :Leif Wenglert; Lars-Olof Persson; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; Psykologi; psykologi; Psychology;

    Sammanfattning : In the present thesis three questions were central: Are high self-esteem individuals more optimistic about the future than those low in self-esteem? Are optimistic, high self-esteem individuals more hedonic or capable of enjoying the sensual-aesthetic aspects of life than pessimistic, low self-esteem individuals? Several measures of optimism and self-esteem were used in four studies. One of the self-esteem scales and one of the optimism-pessimism scales was developed by Wenglert (1980). LÄS MER

  3. 3. An evaluation of the method of random action sampling

    Författare :Rutger Magneberg; Handelshögskolan i Stockholm; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER