364 uppsatser · sida 17 av 25
… environment in the area, and the long transport of the feeds requires a lot of energy. The organic dairy production in Sweden is, with the highest probability going to be forced to use 100 % organic feed to the cows in the year 2005, due to new EU-rules. These are some of the …
… accumulation the bacteria need volatile fatty acids (VFA) to cover their energy demand, but normally there is a shortage in VFA in the incoming wastewater. The main purpose of this master thesis work has been to create the best possible conditions in order to produce VFA by …
… but the groups have been fed for equal production and with the same amount of energy and protein (measured as in the classic system). The cows fed according to NorFor Plan consumed 1.5 kg more roughage (p
… than the purebred Holstein for fat production, which gave higher amount of energy corrected milk (ECM) and higher income for the farmers. Heterosis effects in the crossbreeds had favourable results in both conventional and pasture-based systems. There was no difference between …
… with increasing market oil prices, and enormous forces on the renewable energy sources, we need every hectare possible to protect the output of the forests. So with this in mind, many people are now considering how to increase the production of the forests that are already …
… terms of global warming potential (GWP), acidification, eutrophication,energy use and land use. Two alternatives for utilization of the biogas werealso compared through LCA, generation of electricity and the use of thebiogas in heavy vehicles.From an environmental perspective …
Om källan till mening i arbetet
… media has circumscribed the scope for creative play as an important source of energy and inspiration in work and it has eroded my feeling that work is personally meaningful.
Bioethanol is one alternative energy fuel that can be produced from different types of biomass. Second generation bioethanol comes from fermentation of lignocellulosic material and can be seen as a more environmental friendly alternative as e.g. forest residues and agricultural …
… concentrates are not used to a greater extent, since it contains too much energy. The concentrates that are used are oats, barley, rye and triticale. For cows other feeds are also used such as linseed, soybean, pea, broad beans and rapeseed. The alternative forage being …
… In cement production, clinker productions consume 87.5 percent of the total energy consumed in the cement manufacture.Cementa has since many years, focused on reducing the environmental impact of cement production. The work has involved the entire production process from …
Ocean Thermal Energy Conversion, OTEC, a technology using the temperature difference between cold deep seawater and warm surface water, can extract the work in the form of electricity. OTEC gives also synergies of drinkable fresh water. The temperature difference has an impact …
Ocean Thermal Energy Conversion, OTEC, a technology using the temperature difference between cold deep seawater and warm surface water, can extract the work in the form of electricity. OTEC gives also synergies of drinkable fresh water. The temperature difference has an impact …
En fördjupning inom området ”Material”
… by Bygga-Bo-Dialogen to assess buildings with regards to three main areas; ”Energy”, ”Indoor climate” and ”Materials”. A building can obtain three different classifications depending on how well it manages to meet the demands. GOLD is the highest classification and is followed …
… noticeable both among politicians to increase the share of renewables in the energy mix, and among electricity consumers to partially replace purchased electricity with self-produced. This has resulted in a significant increase of electricity production in low voltage grids in …
Utveckling av modell för dokumentation och elkvalitetsberäkningar
… noticeable both among politicians to increase the share of renewables in the energy mix, and among electricity consumers to partially replace purchased electricity with self-produced. This has resulted in a significant increase of electricity production in low voltage grids in …
