Now showing items 882-901 of 1516

  • Schroeder, Jason R.; Crawford, James H.; Ahn, Joon-Young; Chang, Limseok; Fried, Alan; Walega, James; Weinheimer, Andrew; Montzka, Denise D.; Hall, Samuel R.; Ullmann, Kirk; Wisthaler, Armin; Mikoviny, Tomas; Chen, Gao; Blake, Donald R.; Blake, Nicola J.; Hughes, Stacey C.; Meinardi, Simone; Diskin, Glenn; Digangi, Joshua P.; Choi, Yonghoon; Pusede, Sally E.; Huey, Greg L.; Tanner, David J.; Kim, Michelle; Wennberg, Paul O. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The Seoul Metropolitan Area (SMA) has a population of 24 million and frequently experiences unhealthy levels of ozone (O3). In this work, measurements taken during the Korea-United States Air Quality Study (KORUS-AQ, 2016) ...
  • Brune, William H.; Miller, David O.; Thames, Alexander B.; Brosius, Alexandra L.; Barletta, Barbara; Blake, Donald R.; Blake, Nicola J.; Chen, Gao; Choi, Yonghoon; Crawford, James H.; Digangi, Joshua P.; Diskin, Glenn; Fried, Alan; Hall, Samuel R.; Hanisco, Thomas F.; Huey, Greg L.; Hughes, Stacey C.; Kim, Michelle; Meinardi, Simone; Montzka, Denise D.; Pusede, Sally E.; Schroeder, Jason R.; Teng, Alex; Tanner, David J.; Ullmann, Kirk; Walega, James; Weinheimer, Andrew; Wisthaler, Armin; Wennberg, Paul O. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    South Korea routinely experiences poor air quality with ozone and small particles exceeding air quality standards. To build a better understanding of this problem, in 2016, the KORea-United States cooperative Air Quality ...
  • Kim, Hyeonmin; Park, Rokjin J.; Kim, Saewung; Brune, William H.; Diskin, Glenn S.; Fried, Alan; Hall, Samuel R.; Weinheimer, Andrew J.; Wennberg, Paul; Wisthaler, Armin; Blake, Donald R.; Ullmann, Kirk (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    We present a holistic examination of tropospheric OH reactivity (OHR) in South Korea using comprehensive NASA DC-8 airborne measurements collected during the Korea–United States Air Quality field study and chemical transport ...
  • Sandsbraaten, Ragnhild (Master thesis / Hovedoppgave, 2005)
    SAMMENDRAG Dette arbeidet har tatt for seg for seg oligomerisering av 1-buten, propen og eten over de fire protonsure zeolittene H-Beta, H-ZSM-5, H-USY og H-MOR. Forsøkene har blitt utført i et reaktoranlegg med 1 atm som ...
  • Saure, Ole Vaaland (Master thesis / Masteroppgave, 2009)
    Metylklorid-til-hydrokarboner (MeXTH)-prosessen er et trinn i oppgraderingen av naturgass til alkener. Prosessen unngår produksjon av syntesegass som er en energikrevende prosess. I dette arbeidet sammenlignes to ...
  • Diskus, Madeleine (Doctoral thesis / Doktoravhandling, 2011)
    The aim of this work was to investigate the potential of model materials designed by atomic layer deposition toward applications in catalysis research. Molybdenum based catalysts promoted with cobalt were selected as target ...
  • Karen, Pavel; Fjellvåg, Helmer; Kjekshus, Arne; Andresen, P.H. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1991)
    © 1991 Acta Chemica Scandinavica
  • Wirz, Lukas Nico; Reine, Simen Sommerfelt; Pedersen, Thomas Bondo (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
    The definiteness of the Mulliken and Dirac electron repulsion integral (ERI) matrices is examined for different classes of resolution-of-the-identity (RI) ERI approximations with particular focus on local fitting techniques. ...
  • Yakushev, A.; Lens, L.; Düllmann, Ch. E.; Khuyagbaatar, J.; Jäger, E.; Krier, J.; Runke, J.; Albers, H.M.; Asai, M.; Block, M.; Despotopulos, J.; Di Nitto, Nitto; Eberhardt, K.; Forsberg, U.; Golubev, P.; Götz, M.; Götz, S.; Haba, H.; Harkness-Brennan, L.; Herzberg, R.-D.; Heßberger, F.P.; Hinde, D.; Hübner, A.; Judson, D.; Kindler, B.; Komori, Y.; Konki, J.; Kratz, J.V.; Kurz, N.; Laatiaoui, M.; Lahiri, S.; Lommel, B.; Maiti, M.; Mistry, A.K.; Mokry, Ch.; Moody, K.J.; Nagame, Y.; Omtvedt, Jon Petter; Papadakis, P.; Pershina, V.; Rudolph, D.; Samiento, L.G.; Sato, T.K.; Schädel, M.; Scharrer, P.; Schausten, B.; Shaughnessy, D.A.; Steiner, J.; Thörle-Pospiech, P.; Toyoshima, A.; Trautmann, N.; Tsukada, K.; Uusitalo, J.; Voss, K.-O.; Ward, A.; Wegrzecki, M.; Wiehl, N.; Williams, E.; Yakusheva, V. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Flerovium (Fl, element 114) is the heaviest element chemically studied so far. To date, its interaction with gold was investigated in two gas-solid chromatography experiments, which reported two different types of interaction, ...
  • Elstad, Aleksander A; Nguyen, Kevin; Sartori, Sabrina; Norby, Truls Eivind (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
    KBaPO4 – recently reported to hydrate in steam at 80°C into a novel low-temperature protonic conductor – was synthesized by a solid state reaction and its electrical properties characterized by impedance spectroscopy. At ...
  • Ahoba-Sam, Christian; Borfecchia, Elisa; Lazzarini, Andrea; Bugaev, Aram L.; Isah, Abdulrahman Adamu; Taoufik, Mostafa; Bordiga, Silvia; Olsbye, Unni (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    A challenge in converting CO2 into hydrocarbons (HC) via methanol (MeOH) is the gap between the optimal temperature for each step (i.e. ≤250 °C for MeOH and ≥350 °C for HC). The focus of this study is to elucidate the cause ...
  • Håland, Alexander; Mikoviny, Tomas; Syse, Elisabeth Emilie; Wisthaler, Armin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    We herein report on the development of a new prototype PTR-ToF-MS (proton-transfer-reaction time-of-flight mass spectrometry) instrument that combines a hollow cathode glow discharge (HCGD) ion source with a focusing ...
  • Ledum, Morten; Sen, Samiran; Bore, Sigbjørn Løland; Cascella, Michele (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
    Hybrid particle–field molecular dynamics is a molecular simulation strategy, wherein particles couple to a density field instead of through ordinary pair potentials. Traditionally considered a mean-field theory, a momentum ...
  • Lazzara, Giuseppe; Campbell, Richard A; Bayati, Solmaz; Zhu, Kaizheng; Nyström, Bo; Nylander, Tommy; Schillén, Karin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The thermal responsive behavior of adsorbed layers of diblock copolymers of poly(N-isopropylacrylamide) (PNIPAAM) and poly((3-acrylamidopropyl)trimethylammonium chloride) (PAMPTMA(+)) with γ-cyclodextrin (γ-CD) at the ...
  • Madathil, Reshma; Thoreton, Vincent; Prytz, Øystein; Norby, Truls Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Thermoelectric ZnSb has a native surface oxide layer of Sb2O5 +ZnO, while HT oxidation in air resulted in selective oxidation to ZnO, with no detectable Sb by STEM-EDS. The ZnO consisted of an inner nano-granular and a ...
  • Borgos, Kari Kristine Almåsvold (Master thesis / Masteroppgave, 2022)
    På grunn av økt antibiotikaresistens blant bakterier og et lavt antall nye antibiotika-kurer er det enorm interesse for nye alternativer til antibiotika. En lovende gruppe kandidater er antimikrobielle peptider (AMP). De ...
  • Fjellvåg, Helmer; Karen, Pavel; Kjekshus, Arne; Grepstad, J.K. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
    © 1988 Acta Chemica Scandinavica
  • Bjørheim, Tor Svendsen; Løken, Andreas; Haugsrud, Reidar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    In this contribution, we determine the compositional dependence of the chemical expansion and entropy of hydration of the proton conducting perovskites BaZrO3, BaSnO3, BaCeO3, and SrZrO3 by first principles phonon calculations. ...
  • Chen, Xin; Millet, Dylan B.; Singh, Hanwant B.; Wisthaler, Armin; Apel, Eric C.; Atlas, Elliot L.; Blake, Donald R.; Bourgeois, Ilann; Brown, Steven S.; Crounse, John D.; de Gouw, Joost A.; Flocke, Frank M.; Fried, Alan; Heikes, Brian G.; Hornbrook, Rebecca S.; Mikoviny, Tomas; Min, Kyung-Eun; Müller, Markus; Neuman, J. Andrew; O’Sullivan, Daniel W.; Peischl, Jeff; Pfister, Gabriele G.; Richter, Dirk; Roberts, James M.; Ryerson, Thomas B.; Shertz, Stephen R.; Thompson, Chelsea R.; Treadaway, Victoria; Veres, Patrick R.; Walega, James; Warneke, Carsten; Washenfelder, Rebecca A.; Weibring, Petter K.A.; Yuan, Bin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    We apply a high-resolution chemical transport model (GEOS-Chem CTM) with updated treatment of volatile organic compounds (VOCs) and a comprehensive suite of airborne datasets over North America to (i) characterize the VOC ...
  • Fernholt, L.; Rømming, Chr.; Samdal, Svein (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1981)