Now showing items 952-971 of 1352

    • Seeding as a start-up strategy for improving the acclimation of freshwater nitrifying bioreactors to salinity stress 

      Navada, Sharada; Gaumet, Frederic; Tveten, Ann-Kristin; Kolarevic, Jelena; Vadstein, Olav (Peer reviewed; Journal article, 2021)
      Recirculating aquaculture systems (RAS) for anadromous fish such as salmonids often require salinity changes during the production cycle. However, high or variable salinity can disrupt the biological nitrification process, ...
    • Seeking minimum entropy production for a tree-like flow-field in a fuel cell 

      Sauermoser, Marco; Kjelstrup, Signe; Kizilova, Nataliya; Pollet, Bruno; Flekkøy, Eirik Grude (Peer reviewed; Journal article, 2020)
      Common for tree-shaped, space-filling flow-field plates in polymer electrolyte fuel cells is their ability to distribute reactants uniformly across the membrane area, thereby avoiding excess concentration polarization or ...
    • Selective Functionalization of Glucose 

      Vonderlind, Hendrick-Thorn Axel (Bachelor thesis, 2023)
      I denne teksten vil vi skrive og diskutere om emnet selektivt funksjonaliserende glukose. Inkludert ulike metoder for å oppnå selektiv funksjonalisering og effektene det kan ha på forbindelsen. Glukose er et molekyl som ...
    • Selective functionalization of α-D-glucopyranosides in the synthesis towards sugar fatty acid esters 

      Stenset, Edvard Solli (Master thesis, 2019)
      Som en del av et større synteseprosjekt ble utvalgte reaksjoner, nyttige i den overordnede syntesestrategien, utforsket. Regioselektiv beskyttelse av allylerte α-D-glukopyranosider, esterifisering og videre avbeskyttelse ...
    • Selectivity and self-diffusion of CO2 and H2 in a mixture on a graphite surface 

      Trinh, Thuat; Vlugt, Thijs J.H.; Hagg, May-Britt; Kjelstrup, Signe; Bedeaux, Dick (Journal article; Peer reviewed, 2013)
      We performed classical molecular dynamics (MD) simulations to understand the mechanism of adsorption from a gas mixture of CO2 and H2 (mole fraction of CO2 = 0.30) and diffusion along a graphite surface, with the aim to ...
    • Selen og folkesykdommer 

      Buset, Marte Gjerde (Bachelor thesis, 2021)
      Selen er et essensielt sporstoff som mennesket trenger hver dag for å overleve og ikke lide av ulike mangelsykdommer. Den ideelle mengden selen ligger mellom 40 og 400 µg per dag. Selen finnes naturlig i jordskorpen og i ...
    • Selenomethionine-catalyzed nickel ion reduction at a mercury electrode: applications in the analysis of nutritional supplements 

      Banica, Florinel Gabriel; Kafar, Beata; Skrzypek, Slawomira; Ciesielski, Witold (Journal article; Peer reviewed, 2006)
      Selenomethionine (SeMet) is a catalyst for Ni(II) reduction at a mercury electrode in a borax buffer at pH around 9 and gives rise to a differential pulse voltammetric peak, A, at -0.74 V vs. the Ag|AgCl, (3 M KCl) reference ...
    • Self-deicing Electrolyte Hydrogel Surfaces with Pa-level Ice Adhesion and Durable Anti-freezing/frost Performance 

      Li, Tong; Ibáñez-Ibáñez, pablo; Håkonsen, Verner; Wu, Jianyang; Xu, Ke; Zhuo, Yizhi; Luo, Sihai; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)
      Despite the remarkable advances in mitigating ice formation and accretion, however, no engineered anti-icing surfaces today can durably prevent frost formation, droplet freezing and ice accretion in an economical and ...
    • Semisyntese av paclitaxel - et historisk perspektiv 

      Engås, Kristoffer Tennfjord (Bachelor thesis, 2023)
      Det viktige kreftbehandlingsstoffet paclitaxel, som kommer fra barken på stillehavsbarlinden, er ikke bærekraftig å ekstrahere fra den saktevoksende planten. Blant andre alternativer for anskaffelse er semisyntese av ...
    • Separation and Characterization of Byproducts from Iodixanol Synthesis by HPLC-UV, LC-MS and UPLC-MS 

      Noddeland, Amalie (Master thesis, 2023)
      Dimeren iodixanol er et virkestoff i kontrastmiddel og et av hovedproduktene til GE HealthCare Lindesnes. Noen biprodukter fra iodixanolproduksjon er ikke identifisert, selv om de blir kvantifisert for hver batch. Disse ...
    • Series of studies to investigate different methods for rinsing runoff water from roads 

      Farnes, Ingeborg (Master thesis, 2018)
      Runoff from roads contains a wide range of pollutants such as inorganic compounds and organic compounds which can be dissolved or particle-bound. The dissolved contaminates are often more mobile and therefore also bioavailable ...
    • Sewage sludge biochars as effective PFAS-sorbents 

      Krahn, Kathinka M.; Cornelissen, Gerard; Castro, Gabriela; Arp, Hans Peter; Asimakopoulos, Alexandros; Wolf, Raoul; Holmstad, Rune; Zimmerman, Andrew R.; Sørmo, Erlend (Peer reviewed; Journal article, 2022)
      The use of sewage sludge to produce biochar-based sorbents for per- and polyfluoroalkyl substances (PFAS) removal from water and soil may be an economically and environmentally sustainable waste management option. This ...
    • Shape of a frictional fluid finger 

      Flekkøy, Eirik Grude; Sandnes, Bjørnar; Måløy, Knut Jørgen (Peer reviewed; Journal article, 2023)
      Frictional fluid dynamics describes the displacement patterns that arise when a confined mixture of liquid and grains are displaced by an immiscible fluid under pressures that are too small to cause drainage into single ...
    • Silica-modified bismutite nanoparticles for enhanced adsorption and faster solar photocatalytic degradation of methylene blue 

      Antony, Jibin; Villa Gonzalez, Susana; Bandyopadhyay, Sulalit; Yang, Jia; Rønning, Magnus (Peer reviewed; Journal article, 2023)
      Herein, we report the synthesis of silica-modified self-assembled structures of bismutite (BSC) through a facile hydrothermal route. The incorporation of silica into the hybrid led to improved adsorption of cationic methylene ...
    • Silicon for the direct process to methylchlorosilanes 

      Harry Morten, Rong (Doktor ingeniøravhandling;1992:67, Doctoral thesis, 1992)
      The available literature in the field of the direct process to methylchlorosilanes has been reviewed and commented. An apparatus and operation procedure have been developed to study the effect of structure on the direct ...
    • SILISIUM PRODUKSJONSPROSESS. ENERGI OG EKSERGI ANALYSE FOR HOLLA SILISIUM SMELTEVERK. 

      Borkowska, Zuzanna (Master thesis, 2012)
      Metallurgisk industri prøver å forene kvalitet av rå varer med relativt lav pris og den beste teknologien. Eksergi gjør det mulig å finne og kvantifisere evnen til forbedring av termiske og kjemiske prosesser. Selve eksergi ...
    • Simple generalized reaction conditions for the conversion of primary aliphatic amines to surfactant-like guanidine salts with 1H-pyrazole carboxamidine hydrochloride 

      Bakka, Thomas Aleksander; Gautun, Odd Reidar (Journal article, 2017)
      Improved reaction conditions for the electrophile reaction between a free aliphatic amine and 1H-pyrazole carboxamidine have been discovered. The surfactant-like guanidine salts, which are often hard to work with, were ...
    • A simple hanging mercury drop electrode 

      Banica, Florinel Gabriel (Peer reviewed; Journal article, 2000)
      A device producing reproducible hanging mercury drops at the end of a glass capillary is described. Mercury flow through th capillary is controlled by means of a closing needle actuated by an electromagnetic relay. The ...
    • A simplified pore-scale model for slow drainage including film-flow effects 

      Kozlowski Pitombeira Reis, Paula; Moura, Marcel; Linga, Gaute; Rikvold, Per Arne; Toussaint, Renaud; Flekkøy, Eirik Grude; Måløy, Knut Jørgen (Peer reviewed; Journal article, 2023)
      Liquid-filled corners and capillary bridges can establish networks connecting seemingly isolated clusters during drainage in porous media. Coupled with drainage through the bulk of pores and throats, the flow through these ...
    • Simulating absorption spectra of flavonoids in aqueous solution: A polarizable QM/MM study 

      Skoko, Sulejman; Ambrosetti, Matteo; Giovannini, Tommaso; Cappelli, Chiara (Journal article; Peer reviewed, 2020)
      We present a detailed computational study of the UV/Vis spectra of four relevant flavonoids in aqueous solution, namely luteolin, kaempferol, quercetin, and myricetin. The absorption spectra are simulated by exploiting a ...