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A new concept for enhancing wet-dry scrubbing of SO2 has been tested on a laboratory and pilot scale. By adding small amounts of promotor, e.g. calcium chloride, to a limestone or lime slurry, a considerable increase in the removal efficiency can be obtained. The experimental findings in a 0.5 MW wet-dry pilot indicate promoted limestone to be a feasible option for SO2 removal when burning low sul
Popular Abstract in Swedish Vid blekning av pappersmassa använd i många fall klorinnehållander blekkemikalier. Detta resulterar bildandet av olika klororganiska föreningar som hamnar i avloppsvattnet. Många klororganiska föreningar är giftiga och skadliga för miljön. För att minska utsläppen av dessa föreningar kan avloppsvattnet renas innan det släpps ut. I detta doktorsarbetet har nedbrytningen The microbial decomposition of chlorinated organic compounds in kraft bleaching plant effluent (KBPE) was studied. An aerobic bacterium, Strain TCA1, able to grow on trichloroacetic acid as the sole source of energy and carbon was isolated and characterized. Cultivations of Strain TCA1 and another bacterium, Strain DCA1, on acetic acid and its chlorinated analogues mono-, di-, and trichloroacetic
We present a FrameNet-based semantic role labeling system for Swedish text. As training data for the system, we used an annotated corpus that we produced by transferring FrameNet annotation from the English side to the Swedish side in a parallel corpus. In addition, we describe two frame element bracketing algorithms that are suitable when no robust constituent parsers are available. We evaluated
Popular Abstract in Swedish Acceleratormasspektrometri, AMS, är en relativt ny metod för att bestämma extremt låga koncentrationer av såväl radioaktiva som stabila atomer. Metoden innebär att man med kärnfysikalisk teknik räknar atomerna en och en. De främsta fördelarna med AMS, jämfört med konventionella metoder, är att mycket små provmängder kan analyseras och att mättiden är kort. Mängden av eAccelerator mass spectrometry (AMS) is a highly sensitive method for counting atoms and it is used for detecting very low concentrations of both radionuclides and stable isotopes in small samples. The two major advantages of the AMS method are that the required amount of sample material is very small, but also that the efficiency is rather high, it takes less than an hour to analyse a sample. The
We study atom-atom correlations and relative number squeezing in the dissociation of a Bose-Einstein condensate (BEC) of molecular dimers made of either bosonic or fermionic atom pairs. Our treatment addresses the role of the spatial inhomogeneity of the molecular BEC on the strength of correlations in the short time limit. We obtain explicit analytic results for the density-density correlation fu
I bokkapitlet diskuteras reaktionerna inom judendom, islam och några kristna samfund på ett antal bioteknologiska interventioner: assisterad befruktning, embryonala stamceller, genmodifiering, kloning och organtransplantation.
Few Quality of Life (QoL) instruments in use today were originally developed for older populations (75+). Information on their validity and reliability in this age group is sparse. The current study investigated the psychometric properties of the Life Quality Gerontological Centre Scale (LGC), a general QoL instrument designed for use among older people. A further aim was to describe and compare Q
Fokusgrupper kan ibland framstå som ett lockande sätt att ”göra flera intervjuer samtidigt” och på ett tidsbesparande sätt snabbt få ihop ett stort empiriskt material. En fokusgrupp är dock minst av allt en samling enskilda intervjuer; i stället är den ett dynamiskt samtal mellan ett antal personer, styrt av en moderator. Att genomföra sina fokusgruppintervjuer online (virtuella fokusgrupper) med
Thermal manikins have been used to measure thermal properties of clothing. The use of thermal manikins has made a step forward in terms of quantifying thermal properties of clothing in a 3-D manner compared with the use of hotplates for material testing. The effects of clothing properties measured on the thermal manikins under steady state (constant manikin surface temperature and constant environ
Abstract in UndeterminedA controller scheme based on multiple rotating integrators (MRI) for an active filter is presented, analysed and evaluated. The inherent performance of integrators in the synchronous reference dq-frame for reduction of steady state errors are used in multiple rotating reference frames in order to compensate harmonics to obtain a steady state error equal to zero. Both measur
