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Due to high installation costs and relatively low output, the active use of solar energy is limited. The output from a collector can be improved e.g. by using a selective absorber, AR-treated cover glass or transparent insulation. The output/cost ratio can also be improved by the use of reflectors. The performance of a collector depends highly on the incidence angle dependent optical efficiency. I

In this article, we trace a specific ‘situated bodily practice’, namely the ‘act of covering’ the head with a scarf during liturgy, in a church that has migrated from the Middle East to Sweden. This ‘veiled tradition’ is interpreted as a ‘ritual of migration’ that can cast light on the complexities of re-producing traditions in a new setting, functioning as a ‘cultural prism’ for the question of i

This paper explores the relationship between the Vertical Sky Component (VSC) metric and the European and Swedish daylighting regulations. VSC, a static geometrical metric, is considered a useful early indicator of indoor daylighting, as it is insensitive to late-stage design details such as material properties and internal layout. However, its relationship with modern building daylighting legisla

Sociology of philosophy is the name of a theory-based, empirical sociological subdivision, whose basic approach is praxeological: doing philosophy involves a variety of socially situated practices that in some cases result in philosophical arguments and doctrines fixed in text. Constellation research is an approach developed by the German philosopher Dieter Henrich (1927–2022) for investigations i

in this paper, the problem of diffraction of a spherical wave by a hard half-plane is considered. The starting point is the Biot-Tolstoy theory of diffraction of a spherical wave by a fluid wedge with hard boundaries. In this theory, the field at a point in the fluid is composed eventually of a geometrical part: i.e., a direct component, one or two components due to the reflections on the sides of

The role of glial cells in the pathogenesis of many neurodegenerative conditions of the central nervous system (CNS) is now well established (as is discussed in other reviews in this special issue of Frontiers in Neuropharmacology). What is less clear is whether there are changes in these same cells in terms of their behavior and function in response to invasive experimental therapeutic interventi

Offentlig upphandling omsätter i Sverige stora summor, och genom särskilda kontraktsvillkor är det möjligt att ställa särskilda sociala krav på leverantören iakttar sociala hänsyn då upphandlingskontraktet fullgörs. Ur begreppet sociala hänsyn har det uttolkats en möjlighet att ställa krav på leverantörens skyldigheter att iaktta arbetsrättsliga regler, en möjlighet som tydliggörs i det nya LOU-di

After the failure to respond adequately to the changing patterns of conflict and violence after the end of the Cold War, human security was popularized in the 1990s as an alternative concept to security more suitable to face threats to individual security. Ever since, the question about what human security should entail has seen much discussion. This paper examines the different discourses which i