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Pre-treatment of sludge before anaerobic digestion can increase methane production and degradation of organic matter. There are various pre-treatment methods for this purpose. Anaerobic digestion tests were performed for comparison of three pre-treatment methods (hygienisation, ultrasonic treatment and enzyme dosing) used separately or in combination on biosludge and mixed sludge. COD solubilisati
A popular, shortened version of my book Judisk "ras" som äktenskapshinder i Sverige. Effekten av Nürnberglagarna i Svenska kyrkans statliga funktion som lysningsförrättare 1935-1945 (2006)
The society is constantly changing because of the globalization and the requirements of specialization increases. In regional growth policies regional expansion is advocated as a mean of increasing economic growth. Increased mobility is a prerequisite for regional expansion, something that conflicts with established climate and transport policy objectives. This essay examines how municipalities in
Post-Materialism is a theory introduced in the 1970's. Post-Materialism is set of values that is stated to have changed, foremost in industrial countries. This shift in values is predicted to lead to changes in attitudes, actions and the social structure, because those who prioritize Post-Materialist values are suggested to think and identify themselves differently. In this thesis, changes in
The objective of this thesis is the integration of the TRIZ-method (Altshuller) and the AAK-method (Roth)into the industrial design engineering process model and the validation of the integration by the industril design engineering project "Conceptual design of an armchair for elderly people".
Det huvudsakliga syftet med denna uppsats har varit att ta reda på ifall man kan tala om ett oberoendekrav på styrelseledamöter i svenska börsbolag utifrån aktiebolagslagen och Svensk kod för bolagsstyrning. Jag har valt att använda mig att rättskälleläran med inslag av rättsvetenskaplig metod. De klassiska rättskällorna lag, förarbeten och doktrin har legat till grund för uppsatsen, kompletterat
Under våren och sommaren 2012 rasade i Sveriges kulturmedier klasshatsdebatten, sedan poeten Johan Jönson läst upp en av sina dikter på Dramaten. Vänsterdebattörerna uppträdde med stor teoretisk variation: här blandades Lenin, Foucault och Branting. Uppsatsen undersöker om dikten (och dess uppläsning) tillsammans med sina publicerade reaktioner sa någonting om ambivalensen inom dagens vänster. Fok
I samband med Ädelreformen öppnades möjligheter att införa Medicinskt ansvarig för rehabilitering (MAR) i den kommunala hälso- och sjukvården. Kunskapen om hur MAR påverkade arbetsterapeuter i deras arbete var outforskad. Syftet med denna studie var att undersöka hur arbetsterapeuter upplevde att MAR påverkade deras arbete och yrkesroll. Studien hade en kvalitativ design. Semistrukturerade intervj
Abstract Customer demands for board adapted for their specific needs make a flexible production with many different qualities advantageous. The board quality changes can include a change in the composition or only a change in grammage. A grade change is a product quality change in a paper or board machine. Grade changes may however cause problems in the production. When changing the production fro
At Haväng in eastern Scania, South Sweden, an underwater landscape occurs on the seabed. The landscape consists of deep-rooted pines standing in organic deposits. Due to sea level changes, the area was exposed during two phases (11,700 to 10,700 and 10,000 to 8,500 years ago) so that pines could live there, to subsequently drown and end up submerged. This study aims to show how the Baltic Sea form
Background: Delayed cerebral ischemia (DCI), a complication of subarachnoid hemorrhage (SAH), is linked to cerebral vasospasm and associated with poor long-term outcome. We implemented a structured cerebral microdialysis (CMD) based protocol using the lactate/pyruvate ratio (LPR) as an indicator of the cerebral energy metabolic status in the neurocritical care decision making, using an LPR ≥ 30 as
We present a constructive approach to bounded l2-gain adaptive control with noisy measurements for linear time-invariant scalar systems with uncertain parameters belonging to a finite set. The gain bound refers to the closed-loop system, including the learning procedure. The approach is based on forward dynamic programming to construct a finite-dimensional information state consisting of H-infinit
