Sökning: "bäckman"

Visar resultat 1 - 5 av 34 avhandlingar innehållade ordet bäckman.

  1. 1. Infiltration/Inflow in Separate Sewer Systems - Some Aspects on Sources and a Methodology for Localization and Quantification of Infiltration into Sanitary Sewers caused by Leaking Storm Sewers

    Författare :Hans Bäckman; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : .... LÄS MER

  3. 2. Bird orientation: external cues and ecological factors

    Författare :Johan Bäckman; Evolutionär ekologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; tracking radar; Emlen funnel.; Animal ecology; Djurekologi; oscillatory orientation; roosting flight; scatter; concentration; heading; cue calibration; light dependent; magnetoreception; subcutaneous fat stores; body condition; energetics; geomagnetic field; visual cues; orientation; birds; migration;

    Sammanfattning : Birds are generally capable of accurate orientation. In this thesis I present studies about the external cues and the ecological factors that influences bird orientation. A multitude of environmental cues are used to select and maintain a proper direction. LÄS MER

  4. 3. Nitrification and Nitrifying Bacterial Communities in Coniferous Forest Soils : Effects of Liming and Clear-Cutting

    Författare :Jenny Bäckman; Wietse de Boer; Linköpings universitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : This thesis deals with the effects of liming and clear-cutting on nitrification in hemi-boreal and northern temperate coniferous forest soils. The approach has been to study both the potential nitrification and the community structure of the ammonia-oxidising bacteria, which carry out the first step of autotrophic nitrification. LÄS MER

  5. 4. Railway, safety and economics

    Författare :Johan Bäckman; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  7. 5. Matematiskt gestaltande i förskolan

    Författare :Kerstin Bäckman; Marita Lindahl; Christina Gustafsson; Högskolan i Gävle; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; mathematical formation; preschool; teaching; learning studies; here-and-now-situations; variation; the didactics of mathematics; matematiskt gestaltande; förskola; undervisning; lärstudier; här-ochnu-situationer; variation; matematikdidaktik;

    Sammanfattning : The purpose of the thesis is to study how mathematics is experienced and used in preschool children’s activities and how preschool teachers frame their teaching of mathematical content. The studies include analyses of children’s actions in different activities from a mathematical perspective and preschool teachers’ intentions with and their teaching of mathematics. LÄS MER