Sökning: "Göran Grubbström"

Visar resultat 1 - 5 av 6 avhandlingar innehållade orden Göran Grubbström.

  1. 1. Processing and properties of silane crosslinked wood-polyethylene composites

    Författare :Göran Grubbström; Kristofer Gamstedt; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Trä och bionanokompositer; Wood and Bionanocomposites;

    Sammanfattning : Utilizing wood as filler and reinforcement in thermoplastic polymer-matrix composites, has gained interest during the last decades, mainly as profile extruded exterior building products such as deck boards, railings, and door- and window frame components. This thesis deals with silane-crosslinking of wood-polyethylene composites through reactiveextrusion. LÄS MER

  3. 2. Reactive extrusion of wood-thermoplastic composites

    Författare :Göran Grubbström; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Trä och bionanokompositer; Wood and Bionanocomposites;

    Sammanfattning : The interest in Wood-thermoplastic composites (WPCs) has increased during the last decades. WPCs are commonly used as building material for decking and railing because of its low need of maintenance. Wood is a renewable resource of good mechanical properties and this make wood fibers interesting to use as reinforcement in a thermoplastic composite. LÄS MER

  4. 3. Sillar och mullvadar : Jordägande och etnicitet i Estlands svenskbygder 1816-1939

    Författare :Ann Grubbström; Göran Hoppe; John Westerholm; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Social and economic geography; Kulturgeografi; Estonia; Estonian Swedes; land purchase; ethnic composition; ethnic status; ethnic identity; Human geography; Kulturgeografi;

    Sammanfattning : This dissertation focuses on the Swedish minority that settled in Estonia in early medieval times. It illustrates the importance of linking the survival of an ethnic group with the issue of land ownership. The ethnic composition and settlement patterns of Swedes and Estonians are analysed from a long-term perspective. LÄS MER

  5. 4. Konsekvenser av skolnedläggningar : En studie av barns och barnfamiljers vardagsliv i samband med skolnedläggningar i Ydre kommun

    Författare :Magdalena Cedering; Göran Hoppe; Ann Grubbström; Olof Stjernström; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; school closure; village schools; time geography; sense of place; mental maps; children’s geography; rural geography; Ydre.; Social and Economic Geography; Kulturgeografi;

    Sammanfattning : Many rural village schools have closed over the years, both in Sweden and internationally, because of urbanisation, centralisation and the quest for efficiency. This study shows the impact of two school closures in the rural area of Ydre, south-east Sweden, and describes the reactions of children and families concerned. LÄS MER

  7. 5. Skolnedläggningar på landsbygden : Konsekvenser för vardagsliv och lokalsamhälle

    Författare :Magdalena Cedering; Göran Hoppe; Ann Grubbström; Bo Lenntorp; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; School closure; household; rural development; time geography; identity; Ydre; Social and Economic Geography; Kulturgeografi;

    Sammanfattning : Living in the countryside can be complex and is often a matter of daily movements in order to make all activities fit into one’s life. The structure of everyday life is also about the interplay between political decisions and physical structures. This thesis shows the consequences of change to the rural landscape for daily life. LÄS MER