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Visar resultat 1 - 5 av 19 avhandlingar innehållade orden Chalmers Tekniska Högskola Göteborgs Universitet..
Sammanfattning : Frailty models are frequently used to analyse clustered survival data in medical contexts. The frailties, or random effects, are used to model the association between individual survival times within clusters. LÄS MER
Sammanfattning : Maintenance is a source of large costs; in the EU the maintenance costs amountto between 4% and 8% of the total sales turnover. Opportunistic maintenance is anattempt to lower the maintenance cost by considering the failure of onecomponent as an opportunity to replace yet non-failed components in order toprevent future failures. LÄS MER
3. What characterizes persons with high and low GHG emissions? Lifestyles, well-being and values among Swedish households
Sammanfattning : Global greenhouse gas (GHG) emissions need to be reduced to around a third of the current level before 2050 and approach zero at the end of the century if we are likely to reach the twodegree target. Sweden has sometimes been promoted as a model for the transition towards sustainable emission levels, with reductions of 20 percent between 1990 and 2012, but when embedded emissions from imported goods are accounted for (and exports are excluded) the development instead show an increase by at least 15 percent between 1993 and 2010. LÄS MER
Sammanfattning : Waste is one of the biggest challenges faced by our society. If not handled correctly, waste pollutes our natural environment with devastating results. However, it seems almost unavoidable that our society generates waste. LÄS MER
Sammanfattning : In the move to re-acquaint urban green and in-between spaces as solely parks and open spaces, this research looks to the concept of emerging foodscapes to form a transformative behaviour with food in the city. Urban population growth, unstable food security, environmental consequences of industrial food production are all motives for concern, alongside individual awareness of food provisioning, seasonal availability and behaviour. LÄS MER