Visar resultat 1 - 5 av 63 avhandlingar innehållade ordet sawmill.
1. Constructing communities : The establishment and demographic development of sawmill communities in the Sundsvall district, 1850-1890
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
Sammanfattning : .... LÄS MER
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
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
Sammanfattning : During the first half of the nineteenth century infant mortality rates in Ådalen, an agrarian region in northern Sweden, were among the highest in the country. During the second half of the century the region experienced a rapid population growth and a restructuring of the economy in conjunction with the expansion of the sawmill industry. LÄS MER