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Träfflista för sökning "WFRF:(Olsson Erik) "

Search: WFRF:(Olsson Erik)

  • Result 1-10 of 1547
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1.
  • Ahlberg, Erik, et al. (author)
  • "Vi klimatforskare stödjer Greta och skolungdomarna"
  • 2019
  • In: Dagens nyheter (DN debatt). - 1101-2447.
  • Journal article (pop. science, debate, etc.)abstract
    • DN DEBATT 15/3. Sedan industrialiseringens början har vi använt omkring fyra femtedelar av den mängd fossilt kol som får förbrännas för att vi ska klara Parisavtalet. Vi har bara en femtedel kvar och det är bråttom att kraftigt reducera utsläppen. Det har Greta Thunberg och de strejkande ungdomarna förstått. Därför stödjer vi deras krav, skriver 270 klimatforskare.
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2.
  • Boström, Magnus, 1972-, et al. (author)
  • Conditions for Transformative Learning for Sustainable Development : A Theoretical Review and Approach
  • 2018
  • In: Sustainability. - : MDPI. - 2071-1050. ; 10:12
  • Journal article (peer-reviewed)abstract
    • Continued unsustainability and surpassed planetary boundaries require not only scientific and technological advances, but deep and enduring social and cultural changes. The purpose of this article is to contribute a theoretical approach to understand conditions and constraints for societal change towards sustainable development. In order to break with unsustainable norms, habits, practices, and structures, there is a need for learning for transformation, not only adaption. Based on a critical literature review within the field of learning for sustainable development, our approach is a development of the concept of transformative learning, by integrating three additional dimensions—Institutional Structures, Social Practices, and Conflict Perspectives. This approach acknowledges conflicts on macro, meso, and micro levels, as well as structural and cultural constraints. It contends that transformative learning is processual, interactional, long-term, and cumbersome. It takes place within existing institutions and social practices, while also transcending them. The article adopts an interdisciplinary social science perspective that acknowledges the importance of transformative learning in order for communities, organizations, and individuals to be able to deal with global sustainability problems, acknowledging the societal and personal conflicts involved in such transformation.
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3.
  • Idström, Alexander, et al. (author)
  • Dissolution of cellulose in tetrabutylammonium acetate/dimethyl sulfoxide
  • 2016
  • In: The 7th Workshop on cellulose, regenerated cellulose and cellulose derivatives. ; , s. 15-18
  • Conference paper (other academic/artistic)abstract
    • The dissolution of cellulose in tetrabutylammonium acetate (TBAAc)/dimethyl sulfoxide (DMSO) was studied combining experimental and simulation techniques. It was found that the dissolution limit at 40 °C corresponded to a molar ratio close to one acetate per cellulose anhydroglucose units. MD simulations suggested that the acetate ions bind to cellulose by dual hydrogen bonds. This effectively turns cellulose into a polyelectrolyte, attracting the bulky tetrabutylammonium (TBA+) counter ions, which prevent close contact between chains in the dissolved state. This hypothesis was tested by 1H- and 13C-NMR spectroscopy, which confirmed that acetate forms hydrogen bonds to cellulose, and by diffusion NMR spectroscopy, which demonstrated a strong dynamic correlation between bound acetate and tetrabutylammonium in near-quantitative agreement with simulation. The present results suggest that offering hydrogen bonding to the acetate ions is the main driving force for dissolving cellulose and that the TBA+ counter ions form a diffuse layer around the acetate-decorated cellulose chains.
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4.
  • Idström, Alexander, et al. (author)
  • On the dissolution of cellulose in tetrabutylammonium acetate/dimethyl sulfoxide : a frustrated solvent
  • 2017
  • In: Cellulose. - : Springer Science and Business Media LLC. - 0969-0239 .- 1572-882X. ; 24:9, s. 3645-3657
  • Journal article (peer-reviewed)abstract
    • We have found that the dissolution of cellulose in the binary mixed solvent tetrabutylammonium acetate/dimethyl sulfoxide follows a previously overlooked near-stoichiometric relationship such that one dissolved acetate ion is able to dissolve an amount of cellulose corresponding to about one glucose residue. The structure and dynamics of the resulting cellulose solutions were investigated using small-angle X-ray scattering (SAXS) and nuclear magnetic resonance techniques as well as molecular dynamics simulation. This yielded a detailed picture of the dissolution mechanism in which acetate ions form hydrogen bonds to cellulose and causes a diffuse solvation sheath of bulky tetrabutylammonium counterions to form. In turn, this leads to a steric repulsion that helps to keep the cellulose chains apart. Structural similarities to previously investigated cellulose solutions in aqueous tetrabutylammonium hydroxide were revealed by SAXS measurement. To what extent this corresponds to similarities in dissolution mechanism is discussed.
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10.
  • Olsson, Erik J, et al. (author)
  • Levi and the Lottery
  • 2006
  • In: Knowledge and Inquiry: Essays on the Pragmatism of Isaac Levi. - 9780521845564 ; , s. 167-178
  • Book chapter (peer-reviewed)
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  • Result 1-10 of 1547
Type of publication
journal article (836)
conference paper (295)
book chapter (116)
reports (101)
other publication (58)
doctoral thesis (57)
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book (21)
editorial collection (18)
licentiate thesis (15)
review (14)
research review (13)
patent (2)
editorial proceedings (1)
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Type of content
peer-reviewed (963)
other academic/artistic (474)
pop. science, debate, etc. (110)
Author/Editor
Olsson, Erik J (223)
Olsson, Erik (169)
Olsson, Per-Erik, 19 ... (69)
Rosendahl, Erik (64)
Lundin-Olsson, Lille ... (63)
Olsson, Erik, 1967- (48)
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Olsson, Per-Erik (47)
Zetterholm, Magnus (46)
Olsson, Bengt-Erik, ... (43)
Gustafson, Yngve (40)
Olsson, Lars-Erik (37)
Pradhan, Ajay, 1983- (31)
Andrekson, Peter, 19 ... (28)
Wallert, John (28)
Jass, Jana, 1963- (28)
Held, Claes, 1956- (27)
Olsson, Erik, 1986- (27)
Olsson, Erik, 1956- (27)
Karlsson, Magnus, 19 ... (26)
Olsson, Anders (26)
Gjirja, Savo, 1945 (25)
Fridell, Erik, 1963 (24)
Olsson, Marie (24)
Norlund, Fredrika (24)
Olsson, Louise, 1974 (23)
Gustavsson, Karl-Eri ... (23)
Littbrand, Håkan (23)
Zetterberg, Henrik, ... (22)
Nyberg, Lars (21)
Lindelöf, Nina (21)
Madison, Guy (20)
Held, Claes (20)
Olsson, Mats (20)
Olsson, Erik, 1960 (20)
Skoglundh, Magnus, 1 ... (19)
Olsson, Sven Erik (19)
Blennow, Kaj, 1958 (17)
Portelius, Erik, 197 ... (17)
Olsson, Jan, 1960- (17)
Sörensen, Jens (16)
Malmgren, Helge, 194 ... (16)
Sunnerud, Henrik, 19 ... (16)
Hysing, Erik, 1977- (16)
Wallin, Anders, 1950 (15)
Funk, Peter (15)
Serrano, Erik (15)
Andreasson, Ulf, 196 ... (15)
von Hofsten, Jonas (15)
Eckerström, Carl (15)
Sörensen, Jens Stilh ... (15)
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University
Lund University (402)
Uppsala University (222)
Chalmers University of Technology (199)
Örebro University (166)
University of Gothenburg (144)
Umeå University (124)
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Karolinska Institutet (99)
Linköping University (95)
Luleå University of Technology (94)
Stockholm University (88)
Royal Institute of Technology (70)
Swedish University of Agricultural Sciences (59)
RISE (49)
Mid Sweden University (31)
Mälardalen University (28)
Karlstad University (27)
Marie Cederschiöld högskola (25)
Linnaeus University (22)
Högskolan Dalarna (17)
Kristianstad University College (15)
Malmö University (11)
Södertörn University (9)
University of Borås (8)
University of Skövde (6)
University of Gävle (5)
Swedish Environmental Protection Agency (5)
Jönköping University (4)
Swedish Agency for Marine and Water Management (4)
The Swedish School of Sport and Health Sciences (3)
Swedish National Defence College (3)
Blekinge Institute of Technology (3)
IVL Swedish Environmental Research Institute (3)
Halmstad University (2)
Stockholm School of Economics (2)
Swedish Museum of Natural History (2)
VTI - The Swedish National Road and Transport Research Institute (2)
The Institute for Language and Folklore (1)
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Language
English (1249)
Swedish (289)
Undefined language (6)
German (2)
Norwegian (1)
Research subject (UKÄ/SCB)
Engineering and Technology (356)
Medical and Health Sciences (352)
Social Sciences (332)
Natural sciences (311)
Humanities (201)
Agricultural Sciences (52)

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