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Multiple headspace extraction gas chromatography for quantification

Concrete itself is not a source of VOC emissions of any importance. However, humid concrete is very alkaline and may cause degradation of organic materials. Concrete can also adsorb considerable amounts of volatile compounds, e.g. from degrading flooring materials. This together with the present trends in cement and concrete production (alternative fuels, new organic additives, waste materials) ha

Truth in Renaissance Historiography : The Case of Johannes Magnus

The 19th century rise of history as an academic discipline set new standards for acceptable methods of writing history. This greatly influenced the opinions historians held of older historical works, such as the Historia de omnibus Gothorum Sueonumque regibus (History of all the Kings of the Goths and the Swedes) by the Swedish archbishop Johannes Magnus (1488-1544). The work has been criticised f

Konsten att göra djuren synliga

Essän tar avstamp i en installation med uppstoppade hästar av konstnären Javier Balmaseda, visad på konstbiennalen i Venedig 2013. Diskussionen rör de etiska dimensionerna vid användning av djurkroppar i konsten, med referens även till Robert Rauschenbergs getinstallation "Monogram" på Moderna museet, samt till Steve Bakers forskning om djur i konsten, inklusive den nyutgivna boken Artist Animal.

Dynamic optimization of a plate reactor start-up supported by Modelica-based code generation software

In this paper, start-up of a plate reactor is considered. Dynamic optimization is used to obtain start-up trajectories, and a feedback control structure for on-line control. The problem is challenging, since the process model is large and highly non-linear. In addition, the plant is subject to uncertainty. Special attention is given to the problem of formulating an optimal control problem based on

The ENABLED Editor and Viewer – simple tools for more accessible on line 3D models

This paper reports on the ENABLED 3DEditor and 3DViewer. The software design is described, and results from user tests with end users are reported. Both the Editor and Viewer are seen to work quite well. It is possible for a developer to quickly start working with the editor. The Viewer was well received by the users who are able to use it to understand an environment, get an overview and locate a