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Din sökning på "swedish" gav 92575 sökträffar
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Seeds from oak, horse chestnut, hawthorn, and sloe were exposed to seed predation during one week in autumn and over winter (for 6 months) in two different years. Three different exposure treatments were used and designed to exclude (1) small mammals and birds or (2) birds or (3) none. Insects and slugs had access to all exposures. 16 replicate experiments were set up in different deciduous woods
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Concrete structures in hydro power plants exposed to harsh environment, such as non-frozen freshwater and long cold winters with freezing temperatures, are always in the danger-zone for suffering from concrete damages. Some existing concrete structures already suffer from different damages caused by high water content. The conditions regarding concrete quality, air entrainment, temperature and tim
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The arch dam at Selsforsen and the buttress dam at Storfinnforsen are two concrete dams of which both have suffered from severe surface spalling on the upstream face, far below the full water supply level. A hypothesis is that macroscopic ice lens growth, similar to frost heave in soil, could have occurred within the dam walls. After initial deterioration of the concrete dams by frost damage or cr