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In this article, we study the effects of the 2004 terrorist bombings in Madrid on ethnic segregation in Spain. Using large-scale Spanish register data consisting of information on 5.4 million international migration events on a monthly basis and 13.9 million intermunicipal migration events, of which 3.8 million events concern the foreign-born population’s internal migration within Spain, the analy
This paper deals with theoretical and experimental investigations of nailed steel plate connections. For the experimental part, a total of 43 laboratory tests on connections loaded in tension parallel to the grain are reported. The paper deals also with finite element analysis of the connection, presenting a study on the 3D stress distributions within the wood member and a study of the progressive
This thesis deals with the question of how Swedish society responds when juveniles commit crimes. The concepts “treatment”/”goal-rational decision- making” and “correction”/ “norm-rational decision-making” is used to illustrate either the social services’ or the police/attorneys’ work. The focus of the study is social work co-operating with the legal system and the interaction between these two.Th
Youth unemployment is a contemporary social problem in many societies. Youths often have limited access to information about jobs and limited social influence, yet little is known about the relationship between social capital and unemployment risk among youth. We study the effect of social capital on unemployment risk in a sample of 19 year olds of Swedish, Iranian, and Yugoslavian origin living i
BACKGROUND:The importance of supportive social relationships for psychological well-being has been previously recognized, but the direction of associations between both dimensions and how they evolve when adolescents enter adulthood have scarcely been addressed. The present study aims to examine the gender-specific associations between self-reported friendship network quality and psychological wel
The skin is our largest organ and its main function is to protect us from uptake of foreign chemicals and from desiccation. The barrier function of the skin is mainly assured by its outermost layer, the stratum corneum (SC). When one wants to deliver a compound into or through the skin, for example in (trans)dermal drug delivery and cosmetics, one generally needs to make the skin more permeable. TThis thesis mainly explores how the molecular mobility of lipid and protein components in the outermost layer of the skin, the stratum corneum (SC), varies with different conditions and upon adding foreign compounds. These studies require methods that makes it possible to detect and characterize the minor amount of fluid components in the highly ordered solid SC sample with resolved molecular info
The sky roller ride depends on interaction with the air to create a rolling motion. In this paper, we analyse forces, torque and angular velocities during different parts of the ride, combining a theoretical analysis, with photos, videos as well as with accelerometer and gyroscopic data, that may be collected e.g. with a smartphone. For interpreting the result, it must be taken into account that t
Den globala jordbruksproduktionen har de senaste fem decennierna nästan tredubblats. Produktionsökningen beror på ett allt intensivare jordbruk samt konvertering av naturliga ekosystem till jordbruksmark. Intensifieringen av jordbruket har skett genom ökad användning av högavkastande grödor, mekanisering, bevattning, konstgödsel och bekämpningsmedel. Både intensivare jordbruk och expansionen av joGlobal agricultural production almost tripled within the last five decades. The production increase wasbased on expanding cropland and pastures, as well as the intensification of agriculture, including increased use ofhigh yielding crop varieties, machinery, irrigation, artificial fertilisers, and pesticides. Both, agriculturalintensification and the expansion of agricultural land-use lead to envi
