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Purification of process water in a thermomechanical pulp mill by nanofiltration

Process water from a Swedish thermomechanical pulp mill was purified by consecutive treatment by microfiltration, ultrafiltration and nanofiltration. In the present study the nanofiltration step was studied. The flux and retention of four nanofiltration membranes were compared. The NF99HF membrane (Alfa Laval, Lund, Sweden), had significantly higher flux and higher retention of lignin and charged

A comparison between two exercise tests on cycle; a computerised test versus the Åstand test.

Two submaximal cycle ergometer test methods, the Astrand nomogram test and a computerized two-point extrapolation test (Cat Eye ergociser, commercially available), were compared in order to determine agreement and repeatability of estimates of maximum oxygen consumption (VO2max). Twenty healthy women, divided into two groups of ten according to their age (mean 35.3 and mean 46.9), performed test-r

A large metadata domain of Language Resources

The INTERA and ECHO projects were partly intended to create a critical mass of open and linked metadata descriptions of language resources, helping researchers to understand the benefits of an increased visibility of language resources in the Internet and motivating them to participate. The work was based on the new IMDI version 3.0.3 which is a result of experiences with the earlier versions and

Vi måste ju träffas!

Vissa myter är svårare att slå hål på än andra. Att man i affärslivet alltid måste börja med att ses IRL, I Riktiga Livet, är en av myterna. Och ja, det stämmer att IRL-möten ofta är trevligare. De kan erbjuda en mer rik och effektiv kommunikation, man kan visa engagemang genom att besöka någon och ibland krävs det att man är på plats. Men, i de allra flesta fall finns det idag ett virtuellt alter

Hybrid method for the prediction of thermo-acoustic waves in an annular gas turbine combustion chamber

The acoustic field in an annular gas turbine combustion chamber with thirty burners has been studied using a hybrid approach. The acoustic field was determined by solving an inhomogeneous wave equation. The acoustic sources were provided by a low Mach number flow solver. The main focus was to determine the influence of nonuniform behavior and interactions of neighboring burners. For this reason th

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Med sina montageverk och videoinstallationer har Lina Selander under de senaste åren framträtt som ett av Sveriges mest tankeväckande konstnärskap. Med en öppen, prövande hållning och en väl utvecklad rytm- och formkänsla utforskar hon relationerna mellan skilda medier, teknologier och material för att därigenom söka gränserna för vad som är möjligt att visa och säga. Detta arbete med verkets form