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Visar resultat 1 - 5 av 71 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Constructing communities : The establishment and demographic development of sawmill communities in the Sundsvall district, 1850-1890

    Författare :Maria Bergman; Sören Edvinsson; Anna Lundberg; Ann-Sofie Högman; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Sawmill; sawmill worker; Sundsvall; 19th century; community; population development; migration; internal parish migration; barriers; residency; demographic structure; fammily; kinship networks; History; Historia; historia; History;

    Sammanfattning : This dissertation studies the establishment and demographic development of the sawmill communities that emerged in the Sundsvall district during the latter half of the 19th century.  The intention is to highlight the importance of the sawmill communities and their resident populations by discussing community construction from a demographic perspective as well as socially and symbolically. LÄS MER

  3. 2. Skogsbolagen och bygden : ekonomisk, social och politisk omvandling i Örnsköldsviksområdet 1860-1900

    Författare :Ove Lundberg; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Industrialization; economic transformation; social transformation; political transformation; 19th century; sawmill industry; employment; lumbering; northern Sweden.; Skogsindustri -- historia; Sverige -- Ångermanland -- Örnsköldsvik;

    Sammanfattning : In this dissertation industrialization and its economic, social and political consequences in the district of Örnsköldsvik 1860—1900 are studied.Firstly, the dissertation elucidates the causes of the industrialization of the district, viz. LÄS MER

  4. 3. Sågarnas ö : Alnö och industrialiseringen 1860-1910

    Författare :Anders Norberg; Uppsala universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; History; Historia;

    Sammanfattning : .... LÄS MER

  5. 4. Cost-Effective Pathways for Gasification-Based Production of Biofuels

    Författare :Johan Ahlström; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biomethane; power-to-gas; Biorefinery; SNG; heat integration; bark; Gasification; sawmill; hydrogen;

    Sammanfattning : A considerable number of studies indicate that biomethane produced through gasification of lignocellulosic biomass could contribute significantly to greenhouse gas emissions reduction in the transport sector. However, the production costs are high compared to fossil-based alternatives, which has limited deployment of the technology. LÄS MER

  7. 5. Sustainable production of bio-energy products in the sawmill industry

    Författare :Anna Vidlund; KTH; []
    Nyckelord :sawmill industry; energy efficiency; heat recovery; integration; biofuel; upgrading; district heating; fuel pellets; CHP; VOC; CO2;

    Sammanfattning : One of the great challenges facing society is to convert theglobal energy system to a sustainable process. Currently, 80%of the world´s energy is supplied through the combustionof fossil fuels. Not only are the fossil resources limited, theutilisation also increases the level of greenhouse gases in theatmosphere. LÄS MER