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Träfflista för sökning "WFRF:(Steinsland C.) "

Search: WFRF:(Steinsland C.)

  • Result 1-3 of 3
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1.
  • Aasmundtveit, K.E., et al. (author)
  • Structural anisotropy of poly(alkylthiophene) films
  • 2000
  • In: Macromolecules. - : American Chemical Society (ACS). - 0024-9297 .- 1520-5835. ; 33:8, s. 3120-3127
  • Journal article (peer-reviewed)abstract
    • The structural anisotropy of various poly(alkylthiophene) films have been studied by X-ray diffraction, using both conventional methods and synchrotron radiation at grazing incidence. Solution-cast films orient with the side chains preferably normal to the film surface, whereas spin-cast films of nonstereoregular material orient with both the main and the side chains in the film plane. For thick (10-50 µm) solution-cast films, the degree of orientation depends strongly on the solvent used for casting, and on the stereoregularity of the polymer, films of stereoregular materials being more oriented than those of nonregular materials. The most oriented nonregular films are those cast from mixtures of chloroform and tetrahydrofuran. Thin (50-500 nm) solution-cast films are more oriented than the thicker ones, and the effects of different stereoregularity or different casting solvents are small. For spin-cast films, the degree of orientation is independent of substrate and solvent. Spin-cast films of stereoregular material have two different phases: One with the side chains normal to the substrate, and another where they are parallel to the substrate. The diffraction peaks of spin-cast poly(octylthiophene) narrow considerably upon heating.
  •  
2.
  • Blösch, Günter, et al. (author)
  • Twenty-three unsolved problems in hydrology (UPH) - a community perspective
  • 2019
  • In: Hydrological Sciences Journal. - : Informa UK Limited. - 0262-6667 .- 2150-3435. ; 64:10, s. 1141-1158
  • Journal article (peer-reviewed)abstract
    • This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts. The procedure involved a public consultation through online media, followed by two workshops through which a large number of potential science questions were collated, prioritised, and synthesised. In spite of the diversity of the participants (230 scientists in total), the process revealed much about community priorities and the state of our science: a preference for continuity in research questions rather than radical departures or redirections from past and current work. Questions remain focused on the process-based understanding of hydrological variability and causality at all space and time scales. Increased attention to environmental change drives a new emphasis on understanding how change propagates across interfaces within the hydrological system and across disciplinary boundaries. In particular, the expansion of the human footprint raises a new set of questions related to human interactions with nature and water cycle feedbacks in the context of complex water management problems. We hope that this reflection and synthesis of the 23 unsolved problems in hydrology will help guide research efforts for some years to come.
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  • Result 1-3 of 3
Type of publication
journal article (2)
reports (1)
Type of content
peer-reviewed (2)
pop. science, debate, etc. (1)
Author/Editor
Steinsland, C. (2)
Aasmundtveit, K.E. (1)
Samuelsen, E.J. (1)
Guldstein, M. (1)
Flornes, O. (1)
Fagermo, C. (1)
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Seeberg, T.M. (1)
Pettersson, Lars (1)
Inganäs, Olle (1)
Feidenhans'l, R. (1)
Ferrer, S. (1)
Krause, Stefan (1)
Seibert, Jan (1)
Di Baldassarre, Giul ... (1)
Van Loon, Anne F. (1)
Kalantari, Zahra (1)
Mazzoleni, Maurizio (1)
Destouni, Georgia (1)
Castelletti, Andrea (1)
McDonnell, Jeffrey J ... (1)
Arheimer, Berit (1)
Flötteröd, Gunnar (1)
Ridolfi, Elena (1)
Beven, Keith (1)
Farmer, William H. (1)
Andreassian, Vazken (1)
Viglione, Alberto (1)
Pimentel, Rafael (1)
Cudennec, Christophe (1)
Castellarin, Attilio (1)
Grimaldi, Salvatore (1)
Lupton, Claire (1)
Tian, Fuqiang (1)
Shafiei, Mojtaba (1)
Bartosova, Alena (1)
Batelaan, Okke (1)
Bogaard, Thom (1)
Buytaert, Wouter (1)
Fiori, Aldo (1)
Hrachowitz, Markus (1)
Khatami, Sina (1)
Kreibich, Heidi (1)
Liu, Junguo (1)
Montanari, Alberto (1)
Pande, Saket (1)
Papacharalampous, Ge ... (1)
Sivapalan, Murugesu (1)
Szolgay, Jan (1)
Tyralis, Hristos (1)
Volpi, Elena (1)
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University
Royal Institute of Technology (2)
Uppsala University (1)
Stockholm University (1)
Linköping University (1)
Lund University (1)
Swedish University of Agricultural Sciences (1)
Language
English (3)
Research subject (UKÄ/SCB)
Engineering and Technology (2)
Natural sciences (1)
Social Sciences (1)

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