Sustainable development and engineering ethics as well as social aspects of engineering are emerging issues related to power electronics. Several important topics like environmentally sustainable products and electromagnetic compatibility fit into this description. Therefore, these issues have recently become part of the advanced course on power electronics at Lund University. The authors' intenti

Föreliggande undersökning genomfördes under hösten och vintern 2007 av forskare vid Internatio-nella Institutet för Industriell Miljöekonomi (IIIEE) vid Lunds Universitet på uppdrag av Miljömålsrå-det. Syftet med undersökningen var att belysa dagens miljöarbete inom tillverkningsindustrin och göra jämförelser med resultat från tidigare motsvarande studier som genomfördes 1991 och 1998. Syftet var

Popular Abstract in Swedish Ansamlingen av avfall i soptippar skapar miljöproblem då mikrobiell nedbrytning av lättnedbrytbart avfall ger upphov till växthusgaser (metangas och koldioxid). Dessutom bildas förorenade lakvatten på grund av att regnvatten tränger igenom deponin. Lakvattnet innehåller ofta höga halter av ammoniumjoner samt organiska ämnen. Ammoniumjonen är en giftig förening som ger aAbstract The efficiency of different leachate treatment methods for the removal of refractory organic compounds and ammonium-nitrogen was investigated. The methods evaluated were nitrification, denitrification, adsorption onto activated carbon, precipitation by ferric chloride or aluminum sulphate and oxidation by ozone or Fenton´s reagent. Furthermore, analyses were performed on leachates from mu

This paper presents a number of facts related to theoutput feedback stabilization of the Moore-Greitzer compressor model. We show that quadratic feedback stabilization of the surge subsystem of the three-state Moore-Greitzer compressor model, which ensures absence of additional equilibria and cycles in the closed-loop system augmented with stall dynamics, implies convergence of all solutions to th

Climate change is already impacting species around the world. Although most focus has been on the effect of temperature, changes in climatic variables other than temperature are also expected to drive biological change. Current models suggest that ectotherms, such as reptiles, will be strongly affected by climate change; however, data from natural populations are rare. Here, we use extensive data

Quantitative aspects of on-line microdialysis sampling are investigated with respect to sampling in small-volume bioreactors. Three modes of microdialysis sampling; continuous-flow microdialysis sampling (CFMS), stopped-flow microdialysis sampling with continuous stirring, and stopped-flow microdialysis sampling with stopped stirring were investigated as a possible means for studying bioprocesses.

Popular Abstract in Swedish Med hackspettsögon: att förstå habitatval, revirkvalitet och reproduktionsbeslut utifrån individers beteende Min doktorsavhandling bygger både på teoretiska modeller och på fältstudier av mindre hackspett (Dendrocopos minor). För att slippa språkliga krumbukter eller tvetydigheter kommer jag hädanefter att kalla arten "småspett" i denna sammanfattning. Fältstudierna gjIn this thesis I present some connections between foraging behaviour and reproductive success, time budget, tree species use, and habitat selection. The thesis is based upon both theoretical and empirical work. All empirical studies concern a south Swedish population of lesser spotted woodpeckers Dendrocopos minor, studied between 1990 and 1996. The foraging behaviour of the lesser spotted woodpe

Swedish researchers with specific interests in European Market law – IPR, competition and marketing law – join forces to review recent Swedish legislative enactments and case-law developments of particular European interest in national Swedish Courts or the Court of Justice of the European Union (“CJEU”). This volume also includes comments on general EU developments from a Swedish perspective.

The Wall Shear Rate (WSR) represents an important parameter correlated with cardiovascular diseases, like, for example the atherosclerotic plaque formation. The WSR can be obtained as the radial blood velocity gradient assessed in the wall proximity. The WSR is typically approximated by using flow models like Poiseuille and/or Womersley applied to the measured center-line velocity. However these m