9 uppsatser
… planted are producing high level of permanently closed, so called serotinous, cones. In their natural setting, the Canadian boreal forest, these cones are opened mainly after crown fires when the heat make the resin between the cone scales melt, which releases the seeds. This is …
… and presented as an electroretinogram (ERG). ERGs driven by mainly one type of cones can be used to examine the function of a single cone class. In human beings, studies have shown the cone class sensitive to light of short wavelengths, the S-cones, to be more vulnerable to …
… of the limiting factors of the lodgepole pine's invasiveness is its serotinous cones. Nevertheless has a certain self-spread still been shown to occur in the Swedish forest. The serotinous cones of the lodgepole pine are an evolutionary adaption to forest fire. In these cones it …
… 470 nm, a wavelength that is absorbed almost as effectively by the canine M/L-cones as by the S-cones. These stimuli gave ERGs with both ON- and OFF-responses. It was found that a background intensity of 40-60 cd/m2 provided good ERGs with a-waves, distinct b-waves and a small …
en studie om skolgårdens betydelse för barns lek och utveckling
… and use it in different ways, which can be done with materials like cones and sand. Also playground equipment should be able to use in different ways, like combined climbing equipment. Playing equipment must be safe for children to play with, but not to simple so they get …
Hur arbetar pedagoger med matematik utomhus på förskolor med olika pedagogiska inriktningar (traditionell, i ur och skur och Reggio Emilia)?
… and then they used the natural materials like stones, sticks, leaves and fir cones when they were in the forest or in the play yard. During wintertime they used the snow too stamp and looked at the pattern that showed under the shoes. Did the pattern vary depending on shoe type? …
… describes the planning and development of a volume meter of pine and spruce cones. The product was designed and developed for Stigsjö Skog och Frö AB in Härnösand. It was developed taking into account a number of requirements set by the supervisor David Zetterlund. The main …
… process solutions for fast pyrolysis, where fluidized beds and rotating cones are most developed. Bio-oil has compared to fossil oil: lower heating value, low pH and also polymerizes with time. Because of this upgrading is desirable for increasing competitiveness. Several large …
En induktiv fallstudie om relationen mellan ledare och följare
… to the rest of the followers having a closer relationship with the leader and conesequently experiencing a more vivid version of the positive notions that the relationship provides.
