Uppsatser om harvest

337 uppsatser · sida 8 av 23

Torrefaction of biomass

a comparative and kinetic study of thermal decomposition for Norway spruce stump, poplar and fuel tree chips

Examensarbete, avancerad nivå · SLU

Stump biomass is energy rich and stump harvesting for use as fuel become more and more interesting in Sweden. Swedish Forest Agency (2009) has estimated that stump harvesting in Sweden would respond to an annual energy supply of 57 TWh/year. However, stump has not been …

Utvärdering av traktplanering på SCA Skog

Kandidatuppsats · SLU

This study is an analysis of a survey that harvester operators working for SCA Ångermanland Skogsförvaltning have been participating in. The purpose of this study is to try to show the harvester operators opinion about the forestry planning that SCA provides. Hopefully will this …

Utveckling av en dynamisk Simuleringsmodell av en skotare

Masteruppsats · KTH

The predominant forestry harvesting method is based on the harvester-forwarder method, the harvester folds, branches and cuts trees, and sorts the logs into piles, while a forwarder transports the logs to a landing area. This master thesis work is about realization of a dynamic …

The rabbit as an animal model in dental implant research

with special reference to bone augmenting materials

Masteruppsats · SLU

… material may be required. The standard method is to use a bone graft harvested from the patient which requires additional surgery than that needed for implant placement. Limitations in the amount of bone that can be harvested also pose a problem. In order to decrease the need …

Produktionsskillnader vid olika antal sortiment

Kandidatuppsats · SLU

… different quantity of assortments influence the production for forwarders and harvesters with multiple tree handling aggregate in thinning, by different tree volumes. To make this analyse a time study was performed where three entrepreneurs work has been analysed. Beside the …

Simulation of rattan harvests in Indonesia

different harvesting pressures and the resulting patterns

Masteruppsats · SLU

… rattan resources in Sulawesi, Indonesia can cope with the strongly increased harvesting pressure that has occurred over the last centuries. I was furthermore looking for patterns in the rattan population dynamics that might give a hint on how the harvesting system could be …

Kapsprickor och avverkningsaggregat

Högskoleuppsats · SLU

… field and get the data. It was decided the best way was to follow behind the harvester and get samples from different harvester strokes. This way there was no interference in production and data was received from different drivers. Totally 1680 logs were checked, half butt logs …

Naturvårdsavsättningar vid avverkning på Orsa Besparingsskog

Kandidatuppsats · SLU

Orsa Besparingsskog has an aim to take nature considerations in relation to the harvested volume and area of the annual felling. Around 15 percent of the acreage and 10 percent of the volume should be set aside. It is important to keep close to those figures to avoid future …

GPS- & GIS-användning i drivningsprocessen hos Stora Enso SKog AB :

Examensarbete · SLU

… for more than ten years. The last years the development has come to equip harvesters and forwarders with GPS and GIS (GIT). The goal with this study was to reach a basis for decision, how Stora Enso Skog should continue its investment in GPS and GIS in harvesters and forwarders …

Djup icke vändande bearbetning i sockerbetsodling :

Examensarbete · SLU

… of blue dye. Root shape was also examined. The site at Stävie was not harvested due to poor beet establishment. At the other sites, the highest yield was found when the soil was rotary-cultivated in the autumn. Pooling of the results from the three harvested sites showed that …