Now showing items 777-796 of 817

  • Ultrasonic imaging of pitting using multilayer synthetic aperture focusing 

    Skjelvareid, Martin Hansen; Olofsson, Tomas; Birkelund, Yngve (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
    Synthetic aperture focusing is known to increase both the lateral resolution and signal-to-noise level of pulse-echo ultrasonic images. In this paper, the use of synthetic aperture imaging for detection and sizing of pitting ...
  • Ultrasonic properties of all-printed piezoelectric polymer transducers 

    Wagle, Sanat; Decharat, Adit; Melandsø, Frank (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
    The ability of producing ultrasonic transducers from screen-printing has been explored experimentally, through printing and characterization of a large number of transducers. In an allprinted test design, 124 transducers ...
  • Ultrasound sensor for biomedical applications 

    Øberg, Helge (Master thesis; Mastergradsoppgave, 2011-12-15)
    Vesicoureteral reflux (VUR) is an abnormality that causes urine to flow back from the bladder to the kidneys, which may cause renal scarring and kidney damage. A non-ionizing and non-invasive VUR diagnostic technique, based ...
  • Undersjøiske daler og oljereservoar 

    Vorren, Tore Ola; Laberg, Jan Sverre (Chronicle; Kronikk, 2010-10-02)
  • Undersjøiske kjempeskred og flodbølger 

    Vorren, Tore Ola; Laberg, Jan Sverre (Chronicle; Kronikk, 2010-09-25)
  • Undersjøiske skred i Balsfjorden, Nord-Norge: egenskaper og sammensetning 

    Iversen, Vera (Master thesis; Mastergradsoppgave, 2014-06-02)
    Batymetridata, høyoppløselige seismisk data samt en sedimentkjerne fra indre Balsfjorden, Troms, nord-Norge, har blitt analysert for å undersøke sedimentasjonsprosesser i løpet av Holocen, med spesiell fokus på undersjøiske ...
  • Understanding and predicting one- and two-photon absorption properties of molecular complexes 

    Steindal, Arnfinn Hykkerud (Doctoral thesis; Doktorgradsavhandling, 2013-01-22)
    This thesis presents the development of theoretical models for the calculations of one- and two-photon absorption, and computational studies on solvated systems and biomolecules. The photon-absorbing chromophore is described ...
  • Understanding the Cool DA White Dwarf Pulsator, G29–38 

    Kleinman, S. J.; Solheim, Jan Erik; Nather, R. E.; Bruvold, A.; Winget, D. E.; Clemens, J. C.; Bradley, A.; Kanaan, A.; Claver, C. F.; Watson, T. K.; Yanagida, K.; Nitta, A.; Dixson, J. S.; Grauer, A. D.; Hine, B. P.; Fontaine, G.; Liebert, James; Sullivan, D. J.; Wickramasinghe, D. T.; Achilleos, N.; Mara, T. M. K.; Seetha, S.; Ashoka, B. N.; Leibowitz, E. M.; Moskalik, P.; Krzesi´nski, J.; O’Donoghue, D.; Kurtz, D. W.; Warner, B.; Martinez, Peter; Dolez, N.; Chevreton, M.; Barstow, M. A.; Kepler, S. O.; Giovannini, O.; Hansen, C. J.; Augusteijn, T. (Journal article; Tidsskriftartikkel; Peer reviewed, 1997-10-10)
    The white dwarfs are promising laboratories for the study of cosmochronology and stellar evolution. Through observations of the pulsating white dwarfs, we can measure their internal structures and compositions, critical ...
  • Undervisning av globale klimaendringar 

    Netland, Kjell Øystein (Master thesis; Mastergradsoppgave, 2012-11-05)
    Denne masteroppgåva beskriv korleis naturfaglærarar underviser i temaet globale klimaendringar på Vg1-nivå i vidaregåande opplæring, og kva utfordringar dei møter i denne undervisninga. Studien bruker metodetriangulering ...
  • Undervisning av NMR : en formativ problembasert tilnærming 

    Osvoll, Gerhard Erling Lian (Master thesis; Mastergradsoppgave, 2012-05-15)
    Denne oppgaven presenterer resultatene fra et studie hvor en ny undervisningsmetode er prøvd ut i undervisningen av kjernemagnetisk resonans (NMR). Undervisningen er elevsentrert med bruk av formative undervisningsverktøy, ...
  • Undervisning i bioteknologi : laboratoriearbeid 

    Jørgensen, Silje (Master thesis; Mastergradsoppgave, 2010-06-01)
    Gjennom de siste ti årene har en rask utvikling av nye bioteknologiske metoder vært fremtredene som et resultat av teknologiens fremvekst. For den moderne lærer, i den videregående skole, medfører dette stadig nye utfordringer ...
  • Undervisning i bioteknologi : muligheter og utfordringer 

    Nyborg, Bjørn Sjøttem (Master thesis; Mastergradsoppgave, 2008-12-15)
    Innenfor feltene biokjemi, genetikk og mikrobiologi har det de siste tjue årene vært en rask utvikling av nye metoder i takt med den teknologiske utviklingen, og disse metodene utgjør det vi kaller for bioteknologi. ...
  • Undervisning i økologi. Forskningsbasert undervisning i tundraregionen 

    Finseth, Irja Maria Basma (Master thesis; Mastergradsoppgave, 2012-06-01)
    TUNDRA Schoolnet er et forskningsbasert skoleprosjekt som ønsker å gi et kunnskapsløft i hvordan klimaendringer påvirker den lokale naturen blant lærere og elever i tundraregionen. Hovedfokuset i denne masteroppgaven ble ...
  • Unique core genomes of the bacterial family vibrionaceae: insights into niche adaptation and speciation 

    Kahlke, Tim; Goesmann, Alexander; Hjerde, Erik; Willassen, Nils Peder; Haugen, Peik (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
    The criteria for defining bacterial species and even the concept of bacterial species itself are under debate, and the discussion is apparently intensifying as more genome sequence data is becoming available. However, it ...
  • Unsupervised segmentation of skin lesions 

    Møllersen, Kajsa (Master thesis; Mastergradsoppgave, 2008-11-15)
    During the last decades, the incidence rate of cutaneous malignant melanoma, a type of skin cancer developing from melanocytic skin lesions, has risen to alarmingly high levels. As there is no effective treatment for ...
  • Usage and perceptions of a mobile self-management application for people with type 2 diabetes: qualitative study of a five-month trial 

    Tatara, Naoe; Årsand, Eirik; Bratteteig, Tone; Hartvigsen, Gunnar (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
  • The use of elliptic curves in cryptography 

    Juhas, Tibor (Master thesis; Mastergradsoppgave, 2007-06)
    The use of elliptic curves in cryptography was suggested independently by Neal Koblitz and Victor Miller in 1985. Being a relatively new field, there is still a lot of ongoing research on the subject, but elliptic curve ...
  • Using a virtual event space to understand parallel application communication behavior 

    Bongo, Lars Ailo; Anshus, Otto J.; Bjørndalen, John Markus (Research report; Forskningsrapport, 2003)
    We have developed EventSpace, a configurable data collecting, management and observation system for monitoring low-level synchronization and communication events with the purpose of understanding the behavior of parallel ...
  • Using a waiting protocol to separate concerns in the mutual exclusion problem 

    Fjeld, Frode V. (Research report; Forskningsrapport, 2003-11-21)
    How to implement process synchronization in a general-purpose software library while incurring a minimum of policy decisions on the system as a whole? We propose that in dealing with the problem of mutual exclusion in ...