Sökning: "1979"

Visar resultat 1 - 5 av 2335 avhandlingar innehållade ordet 1979.

1. 1. Ljusbord : Förslag till förbättringar

   Författare :Bert Jacobsson; Staffan Jonsson; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Work Environment; Industriell produktionsmiljö;

   Sammanfattning : .... LÄS MER

3. 2. Ordering of atoms and vacancies in cubic gamma brasses

   Författare :Lars Arnberg; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : The article reviews crystal structure investigations of some binary cubic gamma brasses. The normal l-centered and primitive gamma brass structures as well as 2 x 2 x 2 cubic superstructures with both F- and l-centered unit cells are described. LÄS MER

4. 3. Syntheses and partial O̲-substitution studies of some carbohydrates

   Författare :Tommy Iversen; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : .... LÄS MER

5. 4. Studies on some nicotine metabolites

   Författare :Lars Lindblom; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : .... LÄS MER

7. 5. Studies on the chemistry of delignification in alkaline media

   Författare :Otto Lindeberg; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Several questions concerning the structure of lignins in pulp (residual lignins) have not been resolved. It is not known whetherit is composed of lignin units originally present in the lignin and stable to the pulping conditions, or ifit contains structures formed by stabilization (side-reactions) of initially labile structures, or ifthere are stable bonds between the carbohydrates and the lignin, initially present and/or formed during the cook, or if4. LÄS MER