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Because of the stratospheric ozone depletion that took place during the last decades of the past century, the effects of ultraviolet radiation on plants, animals, humans and micro-organisms became intensively studied. In this chapter we describe the role of the ozone layer as a radiation shield and various molecular and organismal effects of ultraviolet radiation, with an emphasis on the UV-B band
EPR studies suggest that most transition atom impurities in silicon occupy the tetrahedral interstitial (Ti) site, preserving the Td symmetry of the host (1). The authors give, within the local-density approximation, a unified description of the electronic structure and `breathing-mode' relaxation of tetrahedral interstitial Cr, Mn, Fe, Co and Ni impurities in bulk silicon.(7 refs)
The article investigates the notion of 'Christian Europe' by tracing some of its ideological roots. In particular, it engages with the Romantic era of German philosophy. If the idea of Europe from its very earliest stage was closely linked to Christianity, this gesture also became an important element in the attempts of a number of Romantic poets and philosophers to seek the foundations for a new
(2 uppl.) The biblical figures have stimulated the creative imagination of a wide variety of writers and composers during the past two millennia. This study surveys the reception history in poetry, novels, art and music of a number of biblical figures, e.g. Cain, Abel, Abraham, Isaac, Miriam, the poor widow (Mark 12:41-44), Peter, Judas and Barabbas. The book discusses the interpretations of the
Biografisk artikel om lundastudenten, läraren, astronomen och filmentreprenören Karl Oskar Krantz (1867-1933) som exempel på en tidig representant för entreprenörskap och livslångt lärande.
Scholars have argued that the end of the Cold War and the War on Terror have radically changed the context of war and defense, diminished the role of nation-states in favor of multi-lateral defense activities, and placed a new focus on human security. International peacekeeping has superseded the traditional act of war-making as the most important defense strategy among wealthy, liberal-democratic
Den politiska debatten har i flera år kretsat kring frågan om det finns en brist på finansieringsmöjligheter för de små företagen. Ett stort antal olika finansieringsåtgärder har införts med motiveringar som att de behövs för att skapa större risktagande, att det saknas finansiering i s.k. tidiga faser, samt att bristen på eget genererat kapital i Sverige kräver speciella insatser. Denna diskussio
Urban communities will face increased risks, such as floods, landslides, heat stress and fires and water scarcity, as a consequence of climate change. The latest IPCC report (AR5) has for the first time devoted a whole chapter to urban areas. The assessment stresses the need to tackle urban risk through more effective adaptation planning.
- Var ska man realisera en dröm om inte vid en teknisk högskola?
