Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 590-609 of 838

  • Pt-Catchment Using Pd/Au Alloys: Effect of Enhanced Diffusion 
    Fjellvåg, Asbjørn Slagtern; Waller, David; By, Thomas; Sjåstad, Anja Olafsen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We have studied a series of Pd/Au alloys as Pt-catchment materials, both in lab-scale experiments and in an industrial ammonia oxidation plant. Our focus has been on how bulk Pt diffusion affects grain reconstruction in ...
  • Quantifiable models for surface protonic conductivity in porous oxides - case of monoclinic ZrO2 
    Sun, Xinwei; Gu, Jie; Han, Donglin; Norby, Truls (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    he surface protonic conductivity of porous monoclinic ZrO2 sintered at temperatures in the range 700–1100 °C yielding relative densities of around 60% and grain sizes of approximately 160 nm has been studied using impedance ...
  • Quantification of Linker Defects in UiO-Type Metal-Organic Frameworks 
    Sannes, Dag Kristian; Øien-Ødegaard, Sigurd; Aunan, Erlend; Nova, Ainara; Olsbye, Unni (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Metal–organic frameworks (MOFs) are nanoporous materials composed of organic linkers and inorganic nodes. The large variety of linkers and nodes and the multiple ways to combine them make MOFs highly tunable materials, ...
  • Quantifying the Partition Between Seismic and Aseismic Deformation Along Creeping and Locked Sections of the North Anatolian Fault, Turkey 
    Kaduri, Maor; Gratier, Jean-Pierre; Lasserre, Cécile; Cakir, Ziyadin; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Shallow aseismic creep is a key deformation component along plate boundaries that contributes to the energy budget during the seismic cycle. Several major active continental faults show spatial alternation of creeping and ...
  • Quantifying the roles of food intake and stored lipid for growth and development throughout the life cycle of a high-latitude copepod, and consequences for ocean carbon sequestration 
    Anderson, Thomas R.; Hessen, Dag Olav; Gentleman, Wendy C.; Yool, Andrew; Mayor, Daniel J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Copepods are a critical component of ocean ecosystems, providing an important link between phytoplankton and higher trophic levels as well as regulating biogeochemical cycles of carbon (C) and nutrients. Lipid-rich animals ...
  • Rab6 regulates cell migration and invasion by recruiting Cdc42 and modulating its activity. 
    Vestre, Katharina; Kjos, Ingrid; Guadagno, Noemi Antonella; Distefano, Marita Borg; Kohler, Felix; Fenaroli, Federico; Bakke, Oddmund; Progida, Cinzia (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Rab proteins are master regulators of intracellular membrane trafficking, but they also contribute to cell division, signaling, polarization, and migration. The majority of the works describing the mechanisms used by Rab ...
  • Radiation tolerance of GaN: The balance between radiation-stimulated defect annealing and defect stabilization by implanted atoms 
    Titov, A.I.; Karabeshkin, K.V.; Struchkov, A.I.; Karaseov, P.A.; Azarov, Alexander (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)
    Abstract Realization of radiation-hard electronic devices that are able to work in harsh environments requires deep understanding of the processes of defect formation/evolution occurring in semiconductors bombarded ...
  • Radiation-induced defect accumulation and annealing in Si-implanted gallium oxide 
    Kjeldby, Snorre Braathen; Azarov, Alexander; Nguyen, Phuong Dan; Venkatachalapathy, Vishnukanthan; Mikšová, R.; MacKová, A.; Kuznetsov, Andrej; Prytz, Øystein; Vines, Lasse (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)
    Defect accumulation and annealing phenomena in Si-implanted monoclinic gallium oxide (β-Ga 2 O 3 ) wafers, having [Formula: see text], (010), and (001) orientations, were studied by Rutherford backscattering spectrometry ...
  • Rapid Ice‐Wedge Collapse and Permafrost Carbon Loss Triggered by Increased Snow Depth and Surface Runoff 
    Parmentier, Frans-Jan W.; Nilsen, Lennart; Tømmervik, Hans; Meisel, Ove H.; Bröder, Lisa; Vonk, Jorien E.; Westermann, Sebastian; Semenchuk, Phillip R.; Cooper, Elisabeth J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
    Thicker snow cover in permafrost areas causes deeper active layers and thaw subsidence, which alter local hydrology and may amplify the loss of soil carbon. However, the potential for changes in snow cover and surface ...
  • Rate-and-state friction explains glacier surge propagation 
    Thøgersen, Kjetil; Gilbert, Adrien; Schuler, Thomas; Malthe-Sørenssen, Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The incomplete understanding of glacier dynamics is a major source of uncertainty in assessments of sea-level rise from land-based ice. Through increased ice discharge into the oceans, accelerating glacier flow has the ...
  • Re-estimation of 180Ta nucleosynthesis in light of newly constrained reaction rates 
    Malatji, Kgashane Leroy; Wiedeking, Mathis; Goriely, Stephane; Brits, Christiaan Petrus; Kheswa, Bonginkosi Vincent; Bello Garrote, Frank Leonel; Bleuel, Darren L.; Giacoppo, Francesca; Görgen, Andreas; Guttormsen, Magne Sveen; Hadynska-Klek, Katarzyna; Hagen, Trine Wiborg; Ingeberg, Vetle Wegner; Klintefjord, Malin; Larsen, Ann-Cecilie; Papka, P.; Renstrøm, Therese; Sahin, Eda; Siem, Sunniva; Siess, L.; Tveten, Gry Merete; Zeiser, Fabio (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
  • Reactive fluid flow guided by grain-scale equilibrium reactions during eclogitization of dry crustal rocks 
    Zertani, Sascha; John, Timm; Brachmann, Caroline; Vrijmoed, Johannes Christiaan; Plümper, Oliver (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract Fluid flow in crystalline rocks in the absence of fractures or ductile shear zones dominantly occurs by grain boundary diffusion, as it is faster than volume diffusion. It is, however, unclear how reactive fluid ...
  • Reactive pulsed direct current magnetron sputtering deposition of semiconducting yttrium oxide thin film in ultralow oxygen atmosphere: A spectroscopic and structural investigation of growth dynamics 
    Arslan, H.; Aulika, I.; Sarakovskis, A.; Bikse, L.; Zubkins, M.; Azarov, Alexander; Gabrusenoks, J.; Purans, J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    An experimental investigation was conducted to explore spectroscopic and structural characterization of semiconducting yttrium oxide thin film deposited at 623 K (±5K) utilizing reactive pulsed direct current magnetron ...
  • Real time 3D observations of Portland Cement Carbonation at CO2 storage conditions 
    Chavez Panduro, Elvia Anabela; Cordonnier, Benoit; Gawel, Kamila; Børve, Ingrid; Iyer, Jaisree; Carroll, Susan; Michels Brito Miranda, Leander Edward; Rogowska, Melania; McBeck, Jessica Ann; Sørensen, Henning Osholm; Walsh, Stuart D.C.; Renard, Francois; Gibaud, Alain; Torsæter, Malin; Breiby, Dag Werner (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Depleted oil reservoirs are considered a viable solution to the global challenge of CO2 storage. A key concern is whether the wells can be suitably sealed with cement to hinder the escape of CO2. Under reservoir conditions, ...
  • Real-time regeneration of a working zeolite monitored via operando X-ray diffraction and crystallographic imaging: how coke flees the MFI framework 
    Kalantzopoulos, Georgios; Rojo Gama, Daniel; Pappas, Dimitrios; Dovgaliuk, Iurii; Olsbye, Unni; Beato, Pablo; Lundegaard, Lars F.; Wragg, David Stephen; Svelle, Stian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    We have monitored the regeneration of H-ZSM-5 via operando time-resolved powder X-Ray diffraction (PXRD) coupled with mass spectroscopy (MS). Parametric Rietveld refinements and calculation of the extra-framework electronic ...
  • Real-time visualisation of ion exchange in molecularly confined spaces where electric double layers overlap 
    Ramach, Ulrich; Lee, Jinhoon; Altmann, Florian; Schussek, Martin; Olgiati, Matteo; Dziadkowiec, Joanna; Mears, Laura; Celebi, Alper; Lee, Dong Woog; Valtiner, Markus (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Ion interactions with interfaces and transport in confined spaces, where electric double layers overlap, are essential in many areas, ranging from crevice corrosion to understanding and creating nano-fluidic devices at the ...
  • Recent Advances in the Use of Black TiO2 for Production of Hydrogen and Other Solar Fuels 
    Chatzitakis, Athanasios Eleftherios; Sartori, Sabrina (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Black TiO2 has emerged as one of the most promising photocatalysts recently discovered. The reason behind its catalytic activity is considered to be due to the presence of defects and Ti3+ species at the surface of black ...
  • Recent ground thermo-hydrological changes in a southern Tibetan endorheic catchment and implications for lake level changes 
    Martin, Leo Celestin Paul; Westermann, Sebastian; Magni, Michele; Brun, Fanny; Fiddes, Joel; Lei, Yanbin; Kraaijenbrink, Philip; Mathys, Tamara; Langer, Moritz; Allen, Simon; Immerzeel, Walter W. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract. Climate change modifies the water and energy fluxes between the atmosphere and the surface in mountainous regions such as the Qinghai–Tibet Plateau (QTP), which has shown substantial hydrological changes over the ...
  • Recommendations for the FAIRification of genomic track metadata 
    Gundersen, Sveinung; Boddu, Sanjay; Capella-Gutierrez, Salvador; Drabløs, Finn; Fernández, José M.; Kompova, Radmila; Taylor, Kieron; Titov, Dmytro; Zerbino, Daniel; Hovig, Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background: Many types of data from genomic analyses can be represented as genomic tracks, i.e. features linked to the genomic coordinates of a reference genome. Examples of such data are epigenetic DNA methylation data, ...
  • Reduced effective radiative forcing from cloud–aerosol interactions (ERFaci) with improved treatment of early aerosol growth in an Earth system model 
    Blichner, Sara Marie; Sporre, Moa Kristina; Berntsen, Terje Koren (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Historically, aerosols of anthropogenic origin have offset some of the warming from increased atmospheric greenhouse gas concentrations. The strength of this negative aerosol forcing, however, is highly uncertain – especially ...