Now showing items 62162-62181 of 62414

    • X-ray absorption spectroscopic studies on active metal sites in zeotypes during the selective catalytic reduction of NOx with propene in an oxygen rich atmosphere 

      Mathisen, Karina (Doktoravhandlinger ved NTNU, 1503-8181; 2005:130, Doctoral thesis, 2005)
      This thesis is concerned with the synthesis and characterisation of CuAPO-5, CuSAPO-5 and also copper ion-exchanged SAPO-5, SAPO-11 and ZSM-5. The ability of these materials to catalyse the selective reduction of NOx using ...
    • X-ray computed tomography investigation of dilation of mineral-filled PVC under monotonic loading 

      Olufsen, Sindre Nordmark; Clausen, Arild Holm; Breiby, Dag Werner; Hopperstad, Odd Sture (Peer reviewed; Journal article, 2019)
      The deformation-induced dilation of mineral-filled polyvinyl chloride (PVC) is investigated by means of polychromatic X-ray absorption tomography (XCT). Axisymmetric notched tensile specimens are strained to prescribed ...
    • X-ray Diffraction and Tomography Studies of Functional Organic Fibres 

      Esmaeili, Morteza (Doktoravhandlinger ved NTNU, 1503-8181; 2013:74, Doctoral thesis, 2013)
      Structural characterisations of materials belong to the primary interests of basic and applied research, since they provide insights into the interactions of molecules and atoms, establish correlations with desired properties ...
    • X-ray diffraction studies of InAs/GaAs heterostructures 

      Wrålsen, Arnt Joakim (Master thesis, 2012)
      Intermediate band solar cells (IBSC) is a proposed new type of solar cell device that has an intermediate energy band in the band gap. One possible implementation of IBSCs is by using arrays of nano-sized semiconductor ...
    • X-ray Microprobe Investigation of Iron During a Simulated Silicon Feedstock Extraction Process 

      Bernardis, Sarah; Fakra, Sirine C.; Dal Martello, Elena; B. Larsen, Rune; Newman, Bonna K.; Fenning, David P.; Di Sabatino Lundberg, Marisa; Buonassisi, Tonio (Peer reviewed; Journal article, 2016)
      Elemental silicon is extracted through carbothermic reduction from silicon-bearing raw feedstock materials such as quartz and quartzites. We investigate the micron-scale distribution and valence state of iron, a deleterious ...
    • X-ray nanoscopy of a bulk heterojunction 

      Patil, Nilesh; Skjønsfjell, Eirik Torbjørn Bakken; Van den Brande, Niko; Chavez Panduro, Elvia Anabela; Claessens, Raf; Guizar-Sicairos, Manuel; Van Mele, Bruno; Breiby, Dag Werner (Journal article; Peer reviewed, 2016)
      Optimizing the morphology of bulk heterojunctions is known to significantly improve the photovoltaic performance of organic solar cells, but available quantitative imaging techniques are few and have severe limitations. ...
    • X-ray now: samples of Norwegian jazz and electronica 

      Lillemoen, Maria; Berg, Amund; Opstadmo, Tone (Bachelor thesis, 2005)
      Vi har produsert en DVD som blir benyttet under hundreårsmarkeringen av Norges selvstendighet. Resultatet er blitt et produkt vi er godt fornøyd med. Vi har behandlet lyd- og videomaterialet, og implementert dette til ...
    • X-ray repair cross complementing protein 1 in base excision repair 

      Hanssen-Bauer, Audun; Solvang-Garten, Karin; Akbari, Mansour; Otterlei, Marit (Journal article; Peer reviewed, 2012)
      X-ray Repair Cross Complementing protein 1 (XRCC1) acts as a scaffolding protein in the converging base excision repair (BER) and single strand break repair (SSBR) pathways. XRCC1 also interacts with itself and rapidly ...
    • X-ray Repair Cross- Complementing protein 1: - the role as a scaffold protein in base excision repair and single strand break repair 

      Solvang-Garten, Karin (Doktoravhandlinger ved NTNU, 1503-8181; 2012:27, Doctoral thesis, 2012)
      X-ray Repair Cross-Complementing protein 1 – en plattform for regulering av baseeksisjonsreparasjon og enkelttrådbruddsreparasjon DNA, vårt arvestoff, er et tilsynelatende stabilt molekyl satt sammen av to lange tråder ...
    • X-ray repair cross-complementing protein 1 associated multiprotein complexes in base excision repair 

      Hanssen-Bauer, Audun (Doktoravhandlinger ved NTNU, 1503-8181; 2012:116, Doctoral thesis, 2012)
      XRCC1 assoierte multiproteinkomplekser i base eksisjonsreparasjon Arvestoffet (DNA) degraderes konstant av ytre faktorer, som stråling og kjemikalier, og indre faktorer, som produkter av metabolismen. Slik degradering ...
    • X-ray Scattering Study of Nanostructured GaSb Surfaces 

      Døli, Ellen (Master thesis, 2013)
      In this thesis the surface structure of a sample consisting of slightly tilted, denselypacked Gallium-Antimonide (GaSb) nanocones, self-assembled through Ion Beam Sputtering(IBS) is investigated with a selection of X-ray ...
    • X-ray Studies of Capture, Storage and Release of CO2 

      Rustenberg, Karin Hveding (Master thesis, 2012)
      We show experimentally that CO2 intercalates into the interlayer spaceof the synthetic smectite clay Li-fluorohectorite (LiFh). The intercalationoccurs for a range of conditions in terms of pressure (5 bar to 20 bar) ...
    • X-ray Studies of Carbon Dioxide Intercalation in Na-Fluorohectorite Clay at Near-Ambient Conditions 

      Hemmen, Henrik; Rolseth, Erlend G.; Fonseca, Davi de Miranda; Hansen, Elisabeth Lindbo; Fossum, Jon Otto; Plivelic, T (Journal article, 2012)
      We show experimentally that gaseous CO2 intercalates into the interlayer space of the synthetic smectite clay Na-fluorohectorite at conditions not too far from ambient. The mean interlayer repetition distance of the clay ...
    • X65 steel pipes subjected to combined stretching and bending 

      Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture (Chapter, 2015)
      Subsea pipelines are occasionally struck and hooked by objects such as anchors or trawl gear. The initial denting followed by a potential hooking and displacement of the pipeline, with a simultaneous increase in tensile ...
    • Xandarovula patula (Gastropoda: Ovulidae) new to Scandinavia 

      Høisæter, Tore; Sneli, Jon-Arne; Schander, Christoffer; Rapp, Hans Tore; Berggren, Matz (Journal article; Peer reviewed, 2011)
      In August 2009 six specimens of the ovulid gastropod Xandarovula patula (Pennant, 1777) (formerly known as Simnia patula Pennant, 1777), were found in dredge samples from a locality west of Smögen in western Sweden (58°22′N ...
    • XAS investigation of silica aerogel supported cobalt rhenium catalysts for ammonia decomposition 

      Kirste, Karsten Granlund; Laassiri, Said; Hu, Zhigang; Stoian, Dragos; Torrente-Murciano, Laura; Hargreaves, Justin S. J.; Mathisen, Karina (Peer reviewed; Journal article, 2020)
      The implementation of ammonia as a hydrogen vector relies on the development of active catalysts to release hydrogen on-demand at low temperatures. As an alternative to ruthenium-based catalysts, herein we report the ...
    • XC - en åpen XML-kompressor 

      Brekke, Kåre (Master thesis, 2007)
      Oppgaven har gått ut på å undersøke forskjellige prinsipper for komprimering av XML-dokumenter, og deretter utvikle, teste og sammenligne egnede komprimeringstilnærminger. Arbeidet resulterte i XML-kompressoren XC, som ...
    • Xenophobic actions in South Africa : a quantitative study of South Africans' likelihood of taking part in Xenophobic actions 

      Angen, Karoline (Master thesis, 2016)
      Despite the wish for a non-segregated nation after the transition to democracy in 1994, xenophobic attitudes and actions continue to be prevalent in South Africa. African foreigners being chased from their homes, having ...
    • Xi Jinping- mannen bak Kinas mer aktive utenrikspolitikk? 

      Langdal, Vilde Hove (Bachelor thesis, 2020)
    • XMT interface to Electrical Submersible Pump System 

      Haldorsen, Henrik Dishington (Master thesis, 2010)
      Oil is a non renewable source of energy, and with fewer discoveries of new oil fields it is in the interest to the society to utilize the existing fields to the maximum. There are many techniques to improve the recovery ...