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Alkali metal adsorption on metals is studied by High Resolution Core Level Spectroscopy (HRCLS) and Low Energy Electron Diffraction (LEED). The studies can be divided into two parts: adsorption of alkali multilayers and alkali adsorption in the submonolayer regime. In the case of the adsorption of alkali multilayers, the interface region between a thin alkali film of Na,K,Rb and Cs on different s
There is much tension between the conception of the press as a private enterprise subject to the logic of the market and the press as an instrument of democracy. One of the broken promises of democracy is the failure of the market in guaranteeing a vigorous political debate. The European Court of Human Rights has ascribed to the press the vital role of Public Watchdog, making it incumbent on it to
Gesture-based interaction constitutes a new paradigm in human-machine interaction. The possibility to control a technical system with gestures on surfaces or in mid air makes it possible to design user interfaces that go beyond the WIMP paradigm (Windows Icons Menus and Pointers), the dominating interaction paradigm since the 1970's. After mainly having been of interest in the human-computer inter
Popular Abstract in Swedish Polymergeler och deras interaktioner med joniska surfaktanter. Olika typer av hydrofoba polymerer och hydrophobmodifierade polymerer tvärbinds kemisk till geler. Dessa geler tillhör gruppen responsiva geler, vilket betyder att gelerna ändrar sin volym under yttre påverkan. Gelernas volymändring studeras vid tillsats av olika joniska surfaktanter, vid tillsats av saltThe response on chemically crosslinked gels and polymer solutions on the addition of ionic surfactants and/or addition of salt at different temperatures have been studied. All polymers studied are water soluble and slightly hydrophobic or hydrophobically modified. Because of their hydrophobicity the polymers have a strong tendency to associate, both with themselves and with surfactants. Another i
Popular Abstract in Swedish Ekonomiska och miljömässiga problem gör det svårt att bygga ut kraftledningsnätet i samma takt som efterfrågan på elenergi ökar. Ett alternativ är att öka belastningen av befintliga kraftledningar på bekostnad av de säkerhetsmarginaler som finns. En av flera dimensionerande faktorer är risken för otillräckligt dämpade effektpendlingar mellan generatorer i kraftsystemet.Environmental and economical aspects make it difficult to build new power lines and to reinforce existing ones. The continued growth in demand for electric power must therefore to a great extent be met by increased loading of available lines. A consequence is that power system damping is reduced, leading to a risk of poorly damped power oscillations between the generators. This thesis proposes the
Anders Nygrens ambition was to develop a criterion by which he could distinguish between science and non-science. This is th K(v) of Nygren. According to Nygreb tgere are three ways of arguing in science which all fullfill the demand of K(v): a) deductive argumentation b) empirical argumentation and c) philosophical argumentation. a) and b) operate at the material level and c) at the formal one. c
The period from 1910 to 1930 was a time when a number of theoretical systems saw the light of the day in Central Europe: psychoanalysis, neopositivism, phenomenology, the Warsaw School of logic, Gestalt-psychology and the structuralism of the Prague School of Linguistics. The Prague School arose in the liberal-minded Prague of the 1920s and came to have an enormous influence on multiple fields wit
Dataflow programming is a paradigm for describing stream processing algorithms in a manner that naturally exposes their concurrency and makes the resulting programs readily implementable on highly parallel architectures. Dataflow programs are graph structured, with nodes representing computational kernels that process the data flowing over the edges. There are two major families of languages for t
The electronic spectra of three rhombic type 1 blue copper proteins, nitrite reductase, pseudoazurin, and cucumber basic protein, have been studied by ab initio multiconfigurational second-order perturbation theory (the CASPT2 method). The six lowest excitations have been calculated and assigned with an error of less than 1800 cm-1. The singly occupied orbital in the ground-state forms a strongly
Eukaryotic-especially human-membrane protein overproduction remains a major challenge in biochemistry. Heterologously overproduced and purified proteins provide a starting point for further biochemical, biophysical and structural studies, and the lack of sufficient quantities of functional membrane proteins is frequently a bottleneck hindering this. Here, we report exceptionally high production le
