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Träfflista för sökning "WFRF:(Berglund Jonas) srt2:(2010-2014)"

Search: WFRF:(Berglund Jonas) > (2010-2014)

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  • Helmerius, Jonas, et al. (author)
  • Impact of hemicellulose pre-extraction for bioconversion on birch Kraft pulp properties
  • 2010
  • In: Bioresource Technology. - : Elsevier BV. - 0960-8524 .- 1873-2976. ; 101:15, s. 5996-6005
  • Journal article (peer-reviewed)abstract
    • The combination of hemicellulose extraction with chemical pulping processes is one approach to generate a sugar feedstock amenable to biochemical transformation to fuels and chemicals. Extractions of hemicellulose from silver birch (Betula pendula) wood chips using either water or Kraft white liquor (NaOH, Na2S, and Na2CO3) were performed under conditions compatible with Kraft pulping, using times ranging between 20 and 90 min, temperatures of 130-160 °C, and effective alkali (EA) charges of 0-7%. The chips from select extractions were subjected to subsequent Kraft pulping and the refined pulps were made into handsheets. Several metrics for handsheet strength properties were compared with a reference pulp made without an extraction step. This study demonstrated that white liquor can be utilized to extract xylan from birch wood chips prior to Kraft cooking without decreasing the pulp yield and paper strength properties, while simultaneously impregnating cooking alkali into the wood chips. However, for the alkaline conditions tested extractions above pH 10 resulted in low concentrations of xylan. Water extractions resulted in the highest final concentrations of xylan; yielding a liquor without the presence of toxic or inhibitory inorganics and minimal soluble aromatics that we demonstrate can be successfully enzymatically hydrolyzed to monomeric xylose and fermented to succinic acid. However, water extractions were found to negatively impact some pulp properties including decreases in compression strength, bursting strength, tensile strength, and tensile stiffness while exhibiting minimal impact on elongation and slight improvement in tearing strength index.
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  • Aad, G., et al. (author)
  • Commissioning of the ATLAS Muon Spectrometer with cosmic rays
  • 2010
  • In: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 70:3, s. 875-916
  • Journal article (peer-reviewed)abstract
    • The ATLAS detector at the Large Hadron Collider has collected several hundred million cosmic ray events during 2008 and 2009. These data were used to commission the Muon Spectrometer and to study the performance of the trigger and tracking chambers, their alignment, the detector control system, the data acquisition and the analysis programs. We present the performance in the relevant parameters that determine the quality of the muon measurement. We discuss the single element efficiency, resolution and noise rates, the calibration method of the detector response and of the alignment system, the track reconstruction efficiency and the momentum measurement. The results show that the detector is close to the design performance and that the Muon Spectrometer is ready to detect muons produced in high energy proton-proton collisions.
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  • Result 1-10 of 132
Type of publication
journal article (104)
conference paper (18)
reports (6)
book (2)
other publication (1)
doctoral thesis (1)
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Type of content
peer-reviewed (118)
other academic/artistic (13)
pop. science, debate, etc. (1)
Author/Editor
Aad, G (79)
Abbott, B. (79)
Abdallah, J (79)
Abdinov, O (79)
Strandberg, Jonas (79)
Abi, B. (79)
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Abramowicz, H. (79)
Adams, D. L. (79)
Adelman, J. (79)
Adye, T. (79)
Aielli, G. (79)
Akimoto, G. (79)
Akimov, A. V. (79)
Albrand, S. (79)
Aleksa, M. (79)
Aleksandrov, I. N. (79)
Alexander, G. (79)
Alexandre, G. (79)
Alexopoulos, T. (79)
Alhroob, M. (79)
Alimonti, G. (79)
Allport, P. P. (79)
Almond, J. (79)
Aloisio, A. (79)
Amako, K. (79)
Amelung, C. (79)
Amram, N. (79)
Anastopoulos, C. (79)
Anderson, K. J. (79)
Andreazza, A. (79)
Andrei, V. (79)
Angerami, A. (79)
Anghinolfi, F. (79)
Anjos, N. (79)
Antonaki, A. (79)
Antonelli, M. (79)
Arabidze, G. (79)
Aracena, I. (79)
Arai, Y. (79)
Arguin, J-F. (79)
Arnaez, O. (79)
Asai, S. (79)
Asquith, L. (79)
Assamagan, K. (79)
Augsten, K. (79)
Aurousseau, M. (79)
Avolio, G. (79)
Azuelos, G. (79)
Azuma, Y. (79)
Bachacou, H. (79)
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University
Uppsala University (94)
Lund University (89)
Royal Institute of Technology (83)
Stockholm University (80)
University of Gothenburg (9)
Swedish University of Agricultural Sciences (7)
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Umeå University (6)
Karolinska Institutet (5)
Luleå University of Technology (4)
Chalmers University of Technology (3)
Linköping University (2)
Nationalmuseum (1)
Jönköping University (1)
The Swedish School of Sport and Health Sciences (1)
Linnaeus University (1)
VTI - The Swedish National Road and Transport Research Institute (1)
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Language
English (127)
Swedish (5)
Research subject (UKÄ/SCB)
Natural sciences (87)
Medical and Health Sciences (21)
Social Sciences (10)
Engineering and Technology (7)
Agricultural Sciences (7)
Humanities (1)

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