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Efterfrågan på utvärderingar tycks ha ökat inom socialtjänsten. Detta kan förklaras av snävare ekonomiska ramar med krav på större kunskap om verksamheters resultat och på lagstadgade krav att insatser ska kvalitetssäkras. Samtidigt har forskningen i socialt arbete ifrågasatt om socialtjänstens organisation och arbetsmetoder är ändamålsenliga. Kritiken går bland annat ut på att organisationerna i

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A method of producing short chain alcohols from glycerol generated as a byproduct of biodiesel production is provided.

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An important performance measure of a plant is the plant-availability. The higher availability the better, since a high availability implies a possibility for a large production volume and thereby an increased profit for the company. One way of increasing the plant-availability is by eliminating, or minimizing the effect of disturbances. The cause of a disturbance can be personnel, material or equ

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Tailbiting trellis representations of linear block codes with an arbitrary sectionalization of the time axis are studied. A new lower bound on the maximal state complexity of an arbitrary tailbiting code is derived. The asymptotic behavior of the derived bound is investigated. Some new tailbiting representations for linear block codes of rates R=1/c, c=2,3,4 are presented

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A method for modeling reflectionless conductive dispersive slabs is presented. The slabs are impedance matched to the surrounding half-spaces and are temporally dispersive with a spatially varying impedance. It is shown that the effects from the variation of the impedance can be matched by the temporal dispersive effects and the conductivity so that for a normally incident plane wave the slab does