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    • Sponge-like porous manganese(II,III) oxide as a highly efficient cathode material for rechargeable magnesium ion batteries 

      Wang, Lu; Asheim, Karina; Vullum, Per Erik; Svensson, Ann Mari; Vullum-Bruer, Fride (Journal article; Peer reviewed, 2016)
      Here, we are the first to report a spinel type Mn3O4 as cathode material for Mg-ion battery (MIB) with graphite foil (Gif) as current collector. High Coulombic efficiency and good cyclic stability of Mn3O4 are demonstrated, ...

    • Stability investigation of micro-configured Pd-Ag membrane modules - Effect of operating temperature and pressure 

      Peters, Thijs; Stange, Marit Synnøve Sæverud; Sunding, Martin Fleissner; Bredesen, Rune (Peer reviewed; Journal article, 2015)
      The long-term stability over a period of up to 50 days has been reported for various designs of microstructured Pd77Ag23 membrane modules for H2 production and purification. Even though microchannels provide sufficient ...

    • Stability investigation of polyPOSS-imide membranes for H2 purification and their application in the steel industry 

      Ansaloni, Luca; Saric, Maria; Eric, Louradour; Farzaneh, Radmanesh; Dijkstra, Jan Wilco; Pilz, Monika; Høvik, Dag; Benes, Nieck E.; van Delft, Y; Peters, Thijs (Peer reviewed; Journal article, 2021)
      In the present work, the high-temperature and long-term hydrothermal stability of novel polyPOSS-imide membranes for high-temperature hydrogen separation is investigated. The polyPOSS-imide membranes are found to exhibit ...

    • Stability of beryllium coatings deposited on carbon under annealing up to 1073 K 

      Mateus, Rodrigo; Porosnicu, Corneliu; Franco, Noelia; Almeida Carvalho, Patricia; Lungu, Cristian Petricǎ; Alves, Eduardo (Journal article; Peer reviewed, 2019)
      Chemical reactions involving co-deposits in plasma facing components will occur under heat loads. Previous experiments in the Be-C-O system evidenced that compound formation may induce by itself the peel-off of deposits ...

    • Stability of Structurally Varied Aqueous Amines for CO2 Capture 

      Buvik, Vanja; Vevelstad, Solrun Johanne; Brakstad, Odd Gunnar; Knuutila, Hanna K (Peer reviewed; Journal article, 2021)
      Eighteen structurally varied amines were subjected to harsh oxidative conditions, and their stability was assessed and seen in the context of biological and thermal stability. Steric effects play a large role in the ...

    • Standardization of an in vitro assay matrix to assess cytotoxicity of organic nanocarriers: a pilot interlaboratory comparison 

      Eder, Kai Moritz; Marzi, Anne; Wågbø, Ane Marit; Vermeulen, Jolanda P.; de la Fonteyne-Blankestijn, Liset J. J.; Rösslein, Matthias; Ossig, Rainer; Klinkenberg, Geir; Vandebriel, Rob J.; Schnekenburger, Jürgen (Peer reviewed; Journal article, 2022)
      Nanotechnologies such as nanoparticles are established components of new medical devices and pharmaceuticals. The use and distribution of these materials increases the requirement for standardized evaluation of possible ...

    • A standardized Approach to Multi-criteria Assessment of CCS Chains 

      Jakobsen, Jana Poplsteinova; Roussanaly, Simon; Mølnvik, Mona J.; Tangen, Grethe (Peer reviewed; Journal article, 2013)
      For a commercial Carbon Capture and Storage (CCS) chain to be successful, it must satisfy a whole range of requirements: technical, economic, environmental, safety, and societal. A comprehensive, understandable and ...

    • State-of-the-Art Review of Vortex-Induced Motions of Floating Offshore Wind Turbine Structures 

      Yin, Decao; Passano, Elisabeth; Jiang, Fengjian; Lie, Halvor; Wu, Jie; Ye, Naiquan; Sævik, Svein; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)
      The motivation for this study is the fast development of floating offshore wind energy and the immature methodology and engineering practice related to predictions of vortex-induced motions (VIM). Benefiting from the oil ...

    • Statistical analysis of structure loss in Czochralski silicon growth 

      Sortland, Øyvind Sunde; Jomâa, Moez; M'hamdi, Mohammed; Øvrelid, Eivind Johannes; Di Sabatino Lundberg, Marisa (Peer reviewed; Journal article, 2019)
      In Czochralski monocrystalline silicon growth, structure loss (SL) is the loss of the mono-crystalline structure. It represents a significant loss of productivity. In this work, this phenomenon is investigated by statistical ...

    • Statistical Analysis of Structure Loss in Czochralski Silicon Growth 

      Sortland, Øyvind Sunde; Jomâa, Moez; M'hamdi, Mohammed; Øvrelid, Eivind Johannes; Di Sabatino Lundberg, Marisa (SiliconPV 2019, THE 9TH INTERNATIONAL CONFERENCE ON CRYSTALLINE SILICON PHOTOVOLTAICS;2019, Chapter; Peer reviewed, 2019)
      In Czochralski monocrystalline silicon growth, structure loss (SL) is the loss of the mono-crystalline structure. It represents a significant loss of productivity. In this work, this phenomenon is investigated by statistical ...

    • Statistical modeling for real time pore pressure prediction from pre-drill analysis and well logs 

      Paglia, Jacopo; Eidsvik, Jo; Grøver, Arnt; Lothe, Ane Elisabet (Peer reviewed; Journal article, 2018)
      The challenge of pore pressure prediction in an overpressured area near a well is studied. Predrill understanding of pore pressure is available from a 3D geologic model for pressure buildup and release using a basin modeling ...

    • Steam Reforming of Methane on Sponge Iron: Influence of GasComposition on Reaction Rate 

      Ramos Ribeiro, Tiago; Neto, João Batista Ferreira; Poco, Joao G R; Takano, Cyro; Kolbeinsen, Leiv; Ringdalen, Eli (Peer reviewed; Journal article, 2020)
      Direct Reduction processes use gases (CO and H2) for iron reduction and production of sponge iron or direct reduced iron (DRI). The generation of this gas occurs through methane reforming, which can be done in a reformer ...

    • Stimulating relative permeability changes by low-frequency elastic waves: Theory and lab experiments 

      Rozhko, Alexander; Lozovyi, Serhii; Naumann, Marcel; Hansteen, Fredrik; Ravasi, Matteo (Peer reviewed; Journal article, 2022)
      A model is presented to describe how low-frequency vibrations can induce changes to relative permeabilities in dual-porosity dual-permeability rocks. We show that a combination of two physical processes may cause this ...

    • Stochastic electricity dispatch: A challenge for market design 

      Bjørndal, Endre; Bjørndal, Mette; Midthun, Kjetil Trovik; Tomasgard, Asgeir (Peer reviewed; Journal article, 2018)
      We consider an energy-only electricity market where some generation and/or load is uncertain, and where there are flexibility costs, i.e. some conventional power plants have to be scheduled well before real time in order ...

    • Stochastic energy market equilibrium modeling with multiple agents 

      Brekke, Kjell Arne; Golombek, Rolf; Kaut, Michal; Kittelsen, Sverre A.C.; Wallace, Stein W. (Journal article; Peer reviewed, 2017)
      The energy markets are characterized by many agents simultaneously solving decision problems under uncertainty. It is argued that Monte Carlo simulations are not an adequate way to assess behavioral uncertainty; one should ...

    • Stochastic master surgery scheduling 

      Bovim, Thomas; Christiansen, Marielle; Gullhav, Anders Nordby; Range, Troels Martin; Hellemo, Lars (Peer reviewed; Journal article, 2020)
      The aim of the Master Surgery Scheduling Problem (MSSP) is to schedule the medical specialties to the different operating rooms available, such that surgeries may be performed efficiently. We consider a MSSP where elective ...

    • Storage Resources for Future European CCS Deployment; A Roadmap for a Horda CO2 Storage Hub, Offshore Norway 

      Lothe, Ane Eliasbeth; Bergmo, Per Eirik; Grimstad, Alv-Arne (SINTEF Proceedings;4, Chapter; Conference object; Peer reviewed, 2019)
      Deployment of Carbon Capture and Storage (CCS) at large scale will be necessary to be able to fulfil the goal from the Paris Agreement to keep the global mean temperature in year 2100 well below two degrees Celsius above ...

    • Strain Construction and Process Development for Efficient Recombinant Production of Mannuronan C-5 Epimerases in Hansenula polymorpha 

      Tøndervik, Anne; Aune, Randi; Degelmann, Adelheid; Piontek, Michael; Ertesvåg, Helga; Skjåk-Bræk, Gudmund; Sletta, Håvard (Peer reviewed; Journal article, 2022)
      Alginates are linear polysaccharides produced by brown algae and some bacteria and are composed of β-D-mannuronic acid (M) and α-L-guluronic acid (G). Alginate has numerous present and potential future applications within ...

    • Strain controlled medium cycle fatigue of a notched Pb-Sn-Cd lead alloy 

      Viespoli, Luigi Mario; Johanson, Audun; Alvaro, Antonio; Nyhus, Bård; Berto, Filippo (Peer reviewed; Journal article, 2019)
      During the extrusion process of subsea power cable sheathing layer it is possible that metallic and/or non-metallic debris present in the processing environment enter the metal lattice originating discontinuities that might ...

    • Strain localization and ductile fracture in advanced high-strength steel sheets 

      Gruben, Gaute; Morin, David; Langseth, Magnus; Hopperstad, Odd Sture (Peer reviewed; Journal article, 2017)
      An experimental-numerical approach is applied to determine the strain localization and ductile fracture of high-strength dual-phase and martensitic steel sheet materials. To this end, four different quasi-static material ...