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Sedan 50 år har multilaterala förhandlingar lett till att det blivit lättare att mellan länder handla med industrivaror. Detta har lyckats genom en insikt hos deltagande länder att de gemensamt har att vinna på att förbättra handelsmöjligheterna. Trots denna insikt har gjorda överenskommelser inte omfattat handeln med jordbruksprodukter, förrän i den allra senaste förhandlingsrundan. Är det svårar
Choosing the right mortar for the job, and applying it correctly, gives a strong structure requiring less maintenance. A common problem is using too much cement in the mix, which is unnecessarily expensive and has technical disadvantages. Another common problem is using too thick a layer of rendering, which increases the risk of flaking and cracking. A masonry wall must meet several requirements
The mesomechanical behavior of a polycrystalline microstructure subjected to monotonic and cyclic loadings is investigated. The analysis is based on a Voronoi polygonization strategy for generation of grains embedded in a contiguous matrix. The main emphasis is to investigate the interaction between the microconstituents and the failure processes along grain boundaries. A rational interface theory
A method to compute antenna Q using an electromagnetic simulation at a single frequency is described. This method can easily be integrated into global optimization algorithms. In this way the optimization time of some antenna parameters, e.g., bandwidth, may be significantly reduced. The method is validated by direct comparison with the physical bound of the analyzed structure. Numerical examples
Analys av hur den franska revolutionens ursprung skildras hos olika författare
Forskningsrapporten är en studie av den förhandlande subnationella regionen med Skåne som empirisk fallstudie. Den utforskar betydelsen av förhandlingsmakt i regionaliseringsprocessen genom att göra tre antaganden: 1) Förhandlingar utgör ett centralt inslag i västeuropeisk regionalisering. 2) Förhållandet mellan stat och region kan beskrivas som ett asymmetriskt beroende, liknande det mellan stark
Shape models and the automatic building of such models have proven over the last decades to be powerful tools in image segmentation and analysis. This thesis makes contributions to this field. The segmentation algorithm typically uses an objective function summing up contributions from each sample point. In this thesis this is replaced by the approximation of a surface integral which improves the
Here we present results from a field experiment in a sub-arctic wetland near Abisko, northern Sweden, where the permafrost is currently disintegrating with significant vegetation changes as a result. During one growing season we investigated the fluxes of CO2 and CH4 and how they were affected by ecosystem properties, i.e., composition of species that are currently expanding in the area (Carex rot
