Blar i Faculty of Mathematics and Natural Sciences på tittel

Viser treff 7250-7269 av 9894

    • PVCap as kinetic hydrate inhibitor in gas-water system 

      Parmar, Archana Ashwin (Master thesis, 2009-11-20)
      In this work, molecular dynamic (MD) simulations were employed on different model systems of practical and theoretical significance to investigate possible mechanisms of kinetic hydrate inhibition. Water/methane interface ...

    • PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline 

      Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar; Alendal, Guttorm; Johannessen, Truls (Peer reviewed; Journal article, 2013)
      Span and Wagner equation of state (SW EOS) have been used to investigate changes in the thermodynamic properties of CO2 during a depressurization process from a pipeline into marine environment. The process is assumed to ...

    • PyProp - A Python Framework for Propagating the Time Dependent Schrödinger Equation 

      Birkeland, Tore (Doctoral thesis, 2009-12-18)

    • The pyramidellidae (gastropoda, heterobranchia) of Norway and adjacent waters. A taxonomic review 

      Høisæter, Tore (Peer reviewed; Journal article, 2014)
      This monograph gives a taxonomic treatment of all 54 ‘species’ of Pyramidellidae reported from Norwegian and adjacent waters. Two species, Parthenina wikanderi n.sp.and Eulimella frielei n.sp., are described as new and ...

    • Pyridine-Stabilized Fast-Initiating Ruthenium Monothiolate Catalysts for Z-Selective Olefin Metathesis 

      Occhipinti, Giovanni; Törnroos, Karl Wilhelm; Jensen, Vidar Remi (Peer reviewed; Journal article, 2017)
      Pyridine as a stabilizing donor ligand drastically improves the performance of ruthenium monothiolate catalysts for olefin metathesis in comparison with previous versions based on a stabilizing benzylidene ether ligand. ...

    • p−p, p−Λ, and Λ−Λ correlations studied via femtoscopy in pp reactions at √s=7 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahn, Sang Un; Aiola, Salvatore; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; Alfaro Molina, José Rubén; Ali, Yasir Turki Ben; ALICE, Collaboration (Peer reviewed; Journal article, 2019-02)
      We report on the first femtoscopic measurement of baryon pairs, such as p − p , p − Λ , and Λ − Λ , measured by ALICE at the Large Hadron Collider (LHC) in proton-proton collisions at √ s = 7 TeV . This study demonstrates ...

    • QALM - a tool for automating quantitative analysis of LC-MS-MS/MS data 

      Lerøy, Kjartan (Master thesis, 2010-05-31)
      The goal of bioinformatics is to support science and research in the field of biology through the application of information technology. Proteomics is a field within biology that deals with the study of proteins. This paper ...

    • QCD Parton Fragmentation in Vacuum and Medium with Leading Jet Energy-Loss 

      Skjelanger, Kristoffer (Master thesis, 2022-06-01)

    • qPCR screening for Yersinia ruckeri clonal complex 1 against a background of putatively avirulent strains in Norwegian aquaculture 

      Riborg, Andreas Ekroll; Gulla, Snorre; Strand, David; Wiik-Nielsen, Jannicke; Rønneseth, Anita; Welch, Timothy J.; Spilsberg, Bjørn; Colquhoun, Duncan John (Journal article; Peer reviewed, 2022)
      Although a number of genetically diverse Yersinia ruckeri strains are present in Norwegian aquaculture environments, most if not all outbreaks of yersiniosis in Atlantic salmon in Norway are associated with a single specific ...

    • Qualification of New Methods for Measuring In-Situ Rheology of Non-Newtonian Fluids in Porous Media 

      Jacobsen, Jørgen Gausdal; Shaker Shiran, Behruz; Skauge, Tormod; Sorbie, Ken; Skauge, Arne (Journal article; Peer reviewed, 2020)
      Pressure drop (ΔP) versus volumetric injection rate (Q) data from linear core floods have typically been used to measure in situ rheology of non-Newtonian fluids in porous media. However, linear flow is characterized by ...

    • Quality of the Analysis Step in EnKF 

      Bergo, Brede Rem (Master thesis, 2011-06-15)
      In many physical applications we want to characterize the parameters of a system based on indirect observations or measurements. In a reservoir simulator setting, the goal is to simulate the production of hydrocarbons from ...

    • Quantification and localization of StAR expression in Atlantic cod ovaries 

      Kleppe, Lene (Master thesis, 2009-06-02)
      Steroidogenesis is essential for the production of sex steroids, and therefore also the sexual maturation process. The rate-limiting step in steroidogenesis is the movement of cholesterol from the outer to the inner ...

    • Quantification and uncertainty of root growth stimulation by elevated CO2 in a mature temperate deciduous forest 

      Ziegler, Clare; Kulawska, Aleksandra; Kourmouli, Angeliki; Hamilton, Liz; Shi, Zongbo; MacKenzie, A. Robert; Dyson, Rosemary J.; Johnston, Iain George (Journal article; Peer reviewed, 2023)
      Increasing CO2 levels are a major global challenge, and the potential mitigation of anthropogenic CO2 emissions by natural carbon sinks remains poorly understood. The uptake of elevated CO2 (eCO2) by the terrestrial ...

    • Quantification of aeroacoustic noise sources from wind turbines 

      Dimmen, Christina Ekrem (Master thesis, 2022-06-01)
      One of the major environmental concerns regarding wind energy is an increase in noise levels, both in the atmosphere and the ocean. In this study, the generation and propagation of aeroacoustic noise from wind turbines ...

    • Quantification of CH4 Hydrate Film Growth Rates in Micromodel Pores 

      Almenningen, Stian; Lysyy, Maksim; Ersland, Geir (Journal article; Peer reviewed, 2021)
      In this paper, we report the growth pattern and the rate of CH4 hydrate in sandstone pores. A high-pressure, water-wet, transparent micromodel with pores resembling a sandstone rock was used to visualize CH4 hydrate formation ...

    • Quantification of Cold-Ion Beams in a Magnetic Reconnection Jet 

      Li, Yu-Xuan; Li, Wen-Ya; Tang, Bin-Bin; Norgren, C.; He, Jian-Sen; Wang, Chi; Zong, Qiu-Gang; Toledo-Redondo, S.; André, M.; Chappell, C.; Dargent, J.; Fuselier, S.A.; Glocer, A.; Graham, D.B.; Haaland, S.; Kistler, L.; Lavraud, B.; Moore, T.E.; Tenfjord, P.; Vines, S.K.; Burch, J. (Journal article; Peer reviewed, 2021)
      Cold (few eV) ions of ionospheric origin are widely observed in the lobe region of Earth’s magnetotail and can enter the ion jet region after magnetic reconnection is triggered in the magnetotail. Here, we investigate a ...

    • Quantification of fucoidan isolated from Laminaria hyperborea using two different colorimetric assays and qNMR method 

      Fagnastøl, Erling Sæbø (Master thesis, 2022-06-01)
      In this thesis, a colorimetric heparin assay and quantitative NMR (qNMR) are used for fucoidan quantification and compared against an established colorimetric enzymatic L-fucose assay.

    • Quantification of grazing efficacy, growth and health score of different lumpfish (Cyclopterus lumpus L.) families: possible size and gender effects 

      Imsland, Albert; Reynolds, Patrick; Hangstad, Thor Arne; Kapari, Lauri Teemu; Maduna, Simo; Hagen, Snorre B.; Jónsdóttir, Ólöf Dóra Bartels; Spetland, Frank; Lindberg, Ken Ståle (Journal article; Peer reviewed, 2021)
      To investigate the possible family influence on sea lice grazing of lumpfish on Atlantic salmon, ten families of lumpfish (N = 480) with a mean (± SD) weight of 54.8 ± 9.2 g were distributed among ten sea cages (5 × 5 × 5 ...

    • Quantification of iron-rich volcanogenic dust emissions and deposition over the ocean from Icelandic dust sources 

      Arnalds, Olafur; Ólafsson, Haraldur; Dagsson-Waldhauserova, Pavla (Peer reviewed; Journal article, 2014-12-02)
      Iceland has extremely active dust sources that result in large-scale emissions and deposition on land and at sea. The dust has a volcanogenic origin of basaltic composition with about 10% Fe content. We used two independent ...

    • Quantification of Polyphenols in Seaweeds: A Case Study of Ulva intestinalis 

      Wekre, Marie Emilie; Kåsin, Karoline; Underhaug, Jarl; Holmelid, Bjarte; Jordheim, Monica (Peer reviewed; Journal article, 2019-12-03)
      In this case study, we explored quantitative 1H NMR (qNMR), HPLC-DAD, and the Folin-Ciocalteu assay (TPC) as methods of quantifying the total phenolic content of a green macroalga, Ulva intestinalis, after optimized ...