Search for dissertations about: "Helena Josefsson"

Found 2 swedish dissertations containing the words Helena Josefsson.

  1. 1. Is water a crucial factor in the oxidation of FeCrAl alloys?

    Author : Helena Josefsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; alpha-Al203; oxidation kinetics; high temperatur corrosion; reactive elements; FeCrAl; vater vapour; transient alumina;

    Abstract : FeCrAl alloys are much used at high temperatures because the formation of a dense and slow-growing alumina scale provides resistance towards oxidation and high temperature corrosion. While the FeCrAl alloys are primarily intended for temperatures above 950ºC, they are sometimes used at lower temperature, for example as supports in automotive catalysts. READ MORE

  2. 2. Preconception health in Sweden : The impact of lifestyle factors and the role of midwife's counselling

    Author : Yvonne Skogsdal; Helena Fadl; Jan Karlsson; Tanja Tydén; Ann Josefsson; Örebro universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Preconception health; preconception counselling; preconception care; Reproductive life plan; pregnancy; alcohol; smoking; snuff; AUDIT;

    Abstract : Preconception health is an important topic since women and men have a possibility to change lifestyle habits preceding pregnancies, to increase the chances of a healthy pregnancy and child. The aim of this thesis was to increase knowledge about fertility and awareness of preconception health. READ MORE