Sökning: "Nils-Olof Jönsson"

Hittade 3 avhandlingar innehållade orden Nils-Olof Jönsson.

  1. 1. La Vie de saint Germer et la vie de saint Josse de Pierre de Beauvais. Deux poèmes du XIIIe siècle, publiés avec introduction, notes et glossaire

    Författare :Nils-Olof Jönsson; Franska; []
    Nyckelord :HUMANIORA; HUMANITIES; St.Germer; St. Josse; Florentius; Isembardus.; Fransk litteratur; French literature; Old French; Pierre de Beauvais;

    Sammanfattning : The Life of Saint Germer and the Life of Saint Josse are two poems consisting of 874 and 820 octosyllabic verses respectively. They were written in the beginning of the 13th century by Pierre de Beauvais. The two poems are preserved in one manuscript only, the Grand recueil la Clayette, Paris, Bibl. nat. LÄS MER

  3. 2. Chemical characterization in the biorefinery of lignocellulose : Formation and management of oxalic acid and analysis of feedstocks for bioethanol production

    Författare :Anders Sjöde; Nils-Olof Nilvebrant; Leif J. Jönsson; Arthur J. Ragauskas; Karlstads universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; biorefinery; enzymes; ethanol; lignocellulosic feedstocks; oxalic acid; scaling; Biochemistry; Biokemi; Kemi; Chemistry;

    Sammanfattning : The pulp and paper industry is entering a new era. Pulp mills will be transformed to biorefineries that produce not only pulp, but also biofuels and novel products from lignocellulose. This thesis addresses problems connected with the industrial transition to environmental-friendly technologies and the implementation of the biorefinery concept. LÄS MER

  4. 3. Industrial applications and properties of oxalate-degrading enzymes

    Författare :Sandra Winestrand; Leif J. Jönsson; Thomas Nilsson; Nils-Olof Nilvebrant; Gudmundur O. Hreggvidsson; Karlstads universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Oxalic acid; oxalate oxidase; oxalate decarboxylase; calcium oxalate; scaling; active packaging; Kemi; Chemistry;

    Sammanfattning : Oxalate-degrading enzymes were investigated with focus on potential applications in the pulp and paper industry and in active packaging. Changes introduced to make the pulp and paper industry more environmentally friendly, such as recirculation of process-water streams and elementary chlorine free bleaching of pulp, have led to increasing problems with precipitation of calcium oxalate. LÄS MER