Uppsatser om winter

333 uppsatser · sida 17 av 23

Interdependence between seed age and aerated steam treatment intensities

Magisteruppsats · SLU

… of seeds aged prior to the treatment. Both studies were carried out on winter wheat seed (Triticum aestivum L.) with different moisture contents. The storage longevity study showed that seeds treated with high aerated steam treatment intensities had more reduced storability than …

Förekomst av törskate (Cronartium flaccidum, Peridermium pini) på tall (Pinus sylvestris) i relation till markfuktighet och fältskikt

en studie om 2000-talets törskateepidemi i norra Sverige

Kandidatuppsats · SLU

… fungi that occurs both as a host alternating form, Cronartium flaccidum G. Winter., and as a non-host alternating form, Peridermium pini Pers. The host alternating form can use a variety of hosts but the most commonly used species in the boreal forest is Melampyrum sylvaticum …

Indirekta effekter på marklavars abundans och diversitet vid ökad kvävehalt i marken

en jämförelse mellan opåverkad och lågintensivt brukad mark

Kandidatuppsats · SLU

… of lichens will affect both biodiversity of the forest and the reindeer winter graze lands. It is important to understand how and for how long fertilization affects the abundance and diversity of lichens in order to protect lichen rich ecosystems. We have registered the biomass …

Hållbarhetsredovisning

Med fokus på negativ information

Kandidatuppsats · Örebro universitet

… and company goals that partly fails. The reasons that came up were cold winters, recession, market competition and operational changes as reorganizations and expansions.

När taket rasade in

Analys av utvärderingar och reell erfarenhetsåterföring efter takrasen 2009/2010

Magisteruppsats · Karlstads universitet

Syftet med denna rapport har varit att analysera den reella återkopplingen och utvärderingar som gjorts vid takras vintern 2009/2010. Metoden är en kvalitativansats med semistrukturerade intervjuer samt analys av utvärderingar och insatsrapporter gjorda under vintern 2009/2010 …

Genomgång av kemikalieförteckning som exempel på uppströmsarbete

en identifiering av utfasningsämnen i spillvattnet

Kandidatuppsats · Högskolan i Halmstad

… had the time to properly activate their predatory habits due to prolonged winter temperatures. The waterfowl were considered too absent during the test period to affect the invertebrate community. Future studies in this area are recommended to work with a greater sampling area …

Predation på evertebrater under tidig vår i sjön Tåkern

Kandidatuppsats · Linköpings universitet

… had the time to properly activate their predatory habits due to prolonged winter temperatures. The waterfowl were considered too absent during the test period to affect the invertebrate community. Future studies in this area are recommended to work with a greater sampling area …

Glupförekomster i Uppsalaområdet

Kandidatuppsats · Uppsala universitet

… of fall comes; these dips are then often almost fully drained. During winter however, the waterlevel stands high. Therefore, ”glupar” can for some time be falsely interpreted as a small pond. Areas around Jumkil just outside Uppsala are charaterized for their large amount of …

Utveckling i Ammerån

att skapa ett hållbart fiske med hög kvalitet

Kandidatuppsats · Mittuniversitetet

… The fishing for pike and other fish in the calm areas of the river that is wintering areas for salmonids has decreased a lot and that may also have contributed to the decline in populations of grayling and trout.Today, Ammeråns ecological status shall be considered as relatively …

Spillvärmeåtervinning

Kandidatuppsats · Högskolan i Halmstad

… The district heating has the highest temperature requirements at 100°C in the winter. To reach the relatively high temperatures required a hybrid heat pump proves to be a suitable solution due to a good Coefficient of Performance (COP). The disadvantage is that at the moment …

Prediktering av komponenters mognad/kvalitet utifrån felkodsutfall

Examensarbete, avancerad nivå · Uppsala universitet

… R&D at the department of Powertrain Control System Development during the winter 2011/2012. The purpose of the thesis was to produce a method that with the result of troubles codes from the field testing would be able to say something about the maturation of a component, in this …

Miljöanpsassad metod för hjultvätt

Kandidatuppsats · Mittuniversitetet

… are used to wash the wheels on our vehicles when we change between summer and winter tires. It is important to wash the wheels before storage, to extend the tires lifetime. The purpose of this study is to find a green innovative solution for reduction of emissions of heavy …

Standardisering av snöröjningsplan

Instruktioner, råd och tips för snöröjning av tak med stora spännvidder

Kandidatuppsats · Högskolan i Halmstad

The Swedish winters 2009/10 and 2010/11 were rich in snow and many roofs collapsed, mainly largespan frames. Investigations were made and the amount of snow was not the primary cause, insteadthere were several other causes. One of these was that in some cases roofs were shoveled …

Beräkning av värmeförluster och energieffektivisering av elbussar

Högskoleuppsats · Umeå universitet

… bus warm in for example northern Sweden, where the climate is very cold during winter. The purpose of this thesis is to help Hybricon investigate how big the heat losses are for the electrical busses and thereby calculate the maximum need of heating power, and also investigate …

Scenarioanalys över Sveriges elproduktion år 2050

Kan Sverige försörja sig med 100 % förnybar

Examensarbete, avancerad nivå · Uppsala universitet

… of the electric production there will be a lack of electric power during the winter but during the summer there will be a surplus of electric power. Both the surplus and the lack of electric power need to be taken into account. Two possible ways to handle this are by demand side …