Uppsatser om wood

470 uppsatser · sida 1 av 32

Export of wood pellets from British Columbia

a study about the production environment and international competitiveness of wood pellets from British Columbia

Masteruppsats · SLU

The global wood pellet market has seen a rapid growth after the adoption of the Kyoto protocol and the renewable energy incentives created within the European Union. The global consumption of wood pellets reached 13,5 million tonnes in 2010 and several experts estimate the …

Annons

Död ved i gallrad skog och nyckelbiotoper

en jämförelse av habitatkvaliteter för vedlevande lavar och mossor

Magisteruppsats · SLU

A high amount of dead wood is one of the most important prerequisites for high biodiversity on forest land in Sweden. Dead wood is most abundant in young forests, thinned forests, woodland key habitats and protected forest land. In old-growth forests most of the dead wood …

Uppfattningar om tryckved bland träbearbetande företag i Sverige :

Examensarbete · SLU

… been to investigate the Swedish timber industry’s perception of compression wood. A secondary aim has been to describe particular areas within the production process where compression wood is likely to cause problems. This study has mainly been carried out as a questionnaire. In …

Trä som fasadmaterial ? behandling och beständighet

Kandidatuppsats · KTH

Since prehistoric time man has used wood to build their environment. The material’s availability combined with its good mechanical properties has often made it the material of choice. Like all materials exposed to natures degradative processes the properties of wood decreases …

Kv. Tvättstugan, ett flerbostadshus med massiv trästomme

Ett examensarbete om akustik- och brandkrav samt en jämförelse av energi- och fuktaspekter

Examensarbete, grundnivå · KTH

Title: Kvarteret Tvättstugan, an apartment building with massive wood construction. A thesis about acoustic and fire requirements and a comparison of energy and moisture aspects. Earlier restrictions in the Swedish legislation have resulted that only a small percentage of the …

Stubbtransporter och bränslekvalitet hos stubbved :

Examensarbete · SLU

Stump wood is a hot alternative when the heating plants demands more and more forest fuel. The aim with the study has bean to calculate the costs in four different systems for transportations of stump wood, examine if there are any differences in fuel quality for the stump wood …

Skogsbrandens påverkan på död ved :

Examensarbete · SLU

Fire is an important ecological factor, but its consumption of coarse woody debris, CWD, has hardly received any attention. In this study, I investigate the consumption in relation to the time of initial flame exposure and propensity for continued combustion of standing CWD of …

The state of the Latvian wood pellet industry

a study on production conditions and international competitiveness

Masteruppsats · SLU

… importing their biomass needs. Due to high energy content and homogeneity, wood pellets have become an internationally traded commodity used for large scale power production. The Baltic States have emerged as one of the largest wood pellet exporting regions in Europe. This study …

Bevattning av lagrat virke vid svensk skogsindustri

omfattning och miljökonsekvenser

Examensarbete · SLU

Most of the saw and pulp industries have stored wood nearby their production, the main reason is to have a continuous wood flow to the production. Wet storage of wood is of great importance to keep the wood quality. Without water sprinkling the risk of drying outand …

Epoxidised linseed oil as hydrophobic substance for wood protection

technology of treatment and properties of modified wood

Masteruppsats · SLU

Public concern about the release of toxic compounds from wood-based products drives legislation towards enforcing industries to find and use more sustainable solutions for wood treatment. Plant oils are good alternatives to treat wood, minimizing or even neutralizing the impact …

Vedrötor i stadsträd

biologi, detektionsmetoder och förebyggande åtgärder

Examensarbete · SLU

… the susceptibility for pathogen attacks. In forestry the main problem with wood decay is the decrease of quality and reduction in value. In urban environments the big problem is the risk of branches and stems breaking and harming life or property. Most wood decays are caused by …

Skogsbristen i Smålands bruksskogar

en studie av träkolsförbrukning vid Storebro Bruk 1793-1850

Examensarbete · SLU

… utilised for a long time. One of the most important forms of utilisation of wood has been charcoaling for the benefit of the iron industry. Shortage of forest in relation to the iron industry, was discussed already in the 17th century in Sweden. The aim of this study was to …