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- Nilsson, Martin, 1972-, et al.
(författare)
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Demokratins förutsättningar i Ukraina: EU, Ryssland och den nationella politiska elitens roll
- 2015
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Ingår i: Nordisk Østforum. - Oslo : Universitetsforlaget Idunn. - 0801-7220 .- 1891-1773. ; 29:2, s. 191-219
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Tidskriftsartikel (refereegranskat)abstract
- Based on a theoretical perspective linking international actors with domestic elites, this article explores how Ukraine’s process of democratization in the 2000s should be understood in terms of international pressure from the European Union (EU) and Russia squeezing the domestic elites into two alternative roadmaps for Ukraine. Ukraine, as a “swing-state” of democratic progress and problems, is assumed to have great impact on the regional democratic landscape. The contemporary hybrid nature of Ukraine’s political regime is a consequence of Ukraine being located geopolitically between the authoritarian Russia and the democratic member states of the EU, leading to competing political elites with alternative visions for the future of Ukraine.
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- Beko, Gabriel, et al.
(författare)
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Contribution of various microenvironments to the daily personal exposure to ultrafine particles: Personal monitoring coupled with GPS tracking
- 2015
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Ingår i: Atmospheric Environment. - : Elsevier BV. - 1352-2310. ; 110, s. 122-129
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Tidskriftsartikel (refereegranskat)abstract
- Exposure to ultrafine particles (UFP) may have adverse health effects. Central monitoring stations do not represent the personal exposure to UFP accurately. Few studies have previously focused on personal exposure to UFP. Sixty non-smoking residents living in Copenhagen, Denmark were asked to carry a backpack equipped with a portable monitor, continuously recording particle number concentrations (PN), in order to measure the real-time individual exposure over a period of similar to 48 h. A GPS logger was carried along with the particle monitor and allowed us to estimate the contribution of UFP exposure occurring in various microenvironments (residence, during active and passive transport, other indoor and outdoor environments) to the total daily exposure. On average, the fractional contribution of each microenvironment to the daily integrated personal exposure roughly corresponded to the fractions of the day the subjects spent in each microenvironment. The home environment accounted for 50% of the daily personal exposure. Indoor environments other than home or vehicles contributed with similar to 40%. The highest median UFP concentration was obtained during passive transport (vehicles). However, being in transit or outdoors contributed 5% or less to the daily exposure. Additionally, the subjects recorded in a diary the periods when they were at home. With this approach, 66% of the total daily exposure was attributable to the home environment. The subjects spent 28% more time at home according to the diary, compared to the GPS. These results may indicate limitations of using diaries, but also possible inaccuracy and miss-classification in the GPS data. (C) 2015 Elsevier Ltd. All rights reserved.
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- Börjesson, Anders, et al.
(författare)
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Computational studies of metal-carbon nanotube interfaces for regrowth and electronic transport
- 2009
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Ingår i: Nano letters (Print). - : American Chemical Society. - 1530-6984 .- 1530-6992. ; 9:3, s. 1117-1120
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Tidskriftsartikel (refereegranskat)abstract
- First principles and tight binding Monte Carlo simulations show that junctions between single-walled carbon nanotubes (SWNTs) and nickel clusters are on the cluster surface, and not at subsurface sites, irrespective of the nanotube chirality, temperature, and whether the docking is gentle or forced. Gentle docking helps to preserve the pristine structure of the SWNT at the metal interface, whereas forced docking may partially dissolve the SWNT in the cluster. This is important for SWNT-based electronics and SWNT-seeded regrowth.
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