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    • Lab Scale Experiments on Alumina Raft Formation 

      Gylver, Sindre Engzelius; Solheim, Asbjørn; Gudbrandsen, Henrik; Follo, Åste Hegglid; Einarsrud, Kristian Etienne (Chapter, 2020)
      During feeding of alumina into a Hall-Héroult cell, rafts floating on the bath surface may be formed. In this study, rafts were created in a laboratory furnace by adding 4 g secondary alumina in industrial bath. Samples ...

    • Lab-Scale Physical Model Experiments to Understand the Effect of Particle Bed on Tapping Flow Rates 

      Loomba, Varun; Pourfallah, Hesam; Olsen, Jan Erik; Einarsrud, Kristian Etienne (Peer reviewed; Journal article, 2022)
      Optimal tapping of metallurgical furnaces is required for efficient furnace operation. Improper tapping can lead to metal and slag accumulation in the furnace thereby reducing the process efficiency. The mass flow rate of ...

    • Label-free non-linear multimodal optical microscopy—basics, development, and applications 

      Mazumder, Nirmal; Balla, Naveen K.; Zhuo, Guan-Yu; Kistenev, Yury V.; Kumar, Rajesh; Kao, Fu-Jen; Brasselet, Sophie; Nikolaev, Viktor V.; Krivova, Natalya A. (Journal article; Peer reviewed, 2019)
      Non-linear optical (NLO) microscopy has proven to be a powerful tool especially for tissue imaging with sub-cellular resolution, high penetration depth, endogenous contrast specificity, pinhole-less optical sectioning ...

    • Label-set impact on deep learning-based prostate segmentation on MRI 

      Meglic, Jakob; Sunoqrot, Mohammed R. S.; Bathen, Tone Frost; Elschot, Mattijs (Peer reviewed; Journal article, 2023)
      Background Prostate segmentation is an essential step in computer-aided detection and diagnosis systems for prostate cancer. Deep learning (DL)-based methods provide good performance for prostate gland and zones ...

    • Labeling nanoparticles: Dye leakage and altered cellular uptake 

      Snipstad, Sofie; Hak, Sjoerd; Baghirov, Habib; Sulheim, Einar; Mørch, Ýrr Asbjørg; Lelu, Sylvie; von Haartman, Eva; Bäck, Marcus; Nilsson, Peter R; Klymchenko, Andrey S; Davies, Ruth Catharina de Lange; Åslund, Andreas (Journal article, 2016)
      In vitro and in vivo behavior of nanoparticles (NPs) is often studied by tracing the NPs with fluorescent dyes. This requires stable incorporation of dyes within the NPs, as dye leakage may give a wrong interpretation of ...

    • Labelling of olfactory ensheathing cells with micron-sized particles of iron oxide and detection by MRI 

      Sandvig, Ioanna; Hoang, Linh; Sardella, Thomas CP; Barnett, SC; Brekken, Christian; Tvedt, Kåre; Berry, Martin; Haraldseth, Olav; Sandvig, Axel; Thuen, Marte (Journal article; Peer reviewed, 2012)
      A crucial issue in transplant‐mediated repair of the damaged central nervous system (CNS) is serial non‐invasive imaging of the transplanted cells, which has led to interest in the application of magnetic resonance imaging ...

    • Labor Embodied in Trade: The Role of Labor and Energy Productivity and Implications for Greenhouse Gas Emissions 

      Silva Simas, Moana; Wood, Richard; Hertwich, Edgar G. (Journal article; Peer reviewed, 2014)
      Global production chains carry environmental and socioeconomic impacts embodied in each traded good and service. Even though labor and energy productivities tend to be higher for domestic production in high‐income countries ...

    • Labor Induction with Orally Administrated Misoprostol: A Retrospective Cohort Study 

      Wallstrom, Tove; Järnbert-Pettersson, Hans; Stenson, David; Akerud, Helena; Darj, Elisabeth; Gemzell-Danielsson, Kristina; Wiberg-Itzel, Eva (Journal article; Peer reviewed, 2017)
      Introduction. One great challenge in obstetric care is labor inductions. Misoprostol has advantages in being cheap and stable at room temperature and available in resource-poor settings. Material and Methods. Retrospective ...

    • The Labor Progression Study: The use of oxytocin augmentation during labor following Zhang's guideline and the WHO partograph in a cluster randomized trial 

      Dalbye, Inger Sofie Rebecka; Bernitz, Stine; Inge Christoffer, Olsen; Zhang, Jun; Eggebø, Torbjørn Moe; Rozsa, Daniella Judit; Frøslie, Kathrine Frey; Øian, Pål; Blix, Ellen (Peer reviewed; Journal article, 2019)
      Introduction - This study aims to investigate the use of oxytocin augmentation during labor in nulliparous women following Zhang's guideline or the WHO partograph. Material and methods - This is a secondary analysis of a ...

    • Labor-force participation and working patterns among women and men who have survived cancer: A descriptive 9-year longitudinal cohort study 

      Brusletto, Birgit; Nielsen, Roy A; Engan, Harald; Oldervoll, Line Merethe; Ihlebæk, Camilla; Mjøsund, Nina Helen; Torp, Steffen (Peer reviewed; Journal article, 2020)
      Aims: Our aim was to investigate labor-force participation, working hours, job changes, and education over 9 years among persons who have survived more than 10 years after cancer, and compare it to controls. Methods: ...

    • Laboratoriediagnostikk ved cytomegalovirusinfeksjoner. Strategimøte 31. oktober 2013 

      Rollag, Halvor; Nordbø, Svein Arne; Tylden, Garth Daryl; Hoddevik, Gunnar Martin (Eksterne kvalitetsvurderinger i bakteriologi, mykologi og parasitt, Research report, 2014)
      I regi av ”Referansegruppe for ekstern kvalitetssikring i virologi og serologi” ble det holdt strategimøte om laboratoriediagnostikk ved cytomegalovirus infeksjon den 31. oktober 2013 i Oslo. Rapporten inneholder oppsummering ...

    • Laboratoriediagnostikk ved Epstein-Barr-virusinfeksjoner. Strategimøte 1. november 2012 

      Njølstad, Gro; Samdal, Helvi Holm; Kanestrøm, Anita; Christensen, Andreas; Dudman, Susanne Gjeruldsen (Eksterne kvalitetsvurderinger i bakteriologi, mykologi og parasitt, Research report, 2012)

    • Laboratoriediagnostikk ved nye og utbruddsaktuelle virusinfeksjoner 

      Dudman, Susanne Gjeruldsen; Samdal, Helvi Holm; Dorenberg, Dagny Haug; Christensen, Andreas; Skaare, Dagfinn (Strategirapport virologi og serologi / Folkehelseinstituttet, Research report, 2016)
      I regi av «Referansegruppe for ekstern kvalitetssikring i virologi og serologi» ble det holdt strategimøte om «Laboratorieberedskap ved nye og utbruddsaktuelle virusinfeksjoner» den 29. oktober 2015 ved Gjestehuset, ...

    • Laboratorieforsøk og testforsøk for fjerning av maling på helleristningsfeltene Hell I, Stjørdal kommune og Bardal I, Steinkjer kommune, Nord-Trøndelag 

      Stebergløkken, Heidrun M.V.; Pawel, Daniela; Gebremariam, Kidane Fanta (NTNU Vitenskapsmuseet arkeologisk rapport;, Research report, 2016)
      Rapporten omhandler analysearbeid, laboratorietester og feltarbeid knyttet til malingsfjerning på de oppmalte helleristningsfeltene Hell I og Bardal I i Nord-Trøndelag. Dette har vært en arbeidsprosess som har som mål å ...

    • Laboratory and free-living gait performance in adults with COPD and healthy controls 

      Buekers, Joren; Megaritis, Dimitrios; Koch, Sarah; Alcock, Lisa; Ammour, Nadir; Becker, Clemens; Bertuletti, Stefano; Bonci, Tecla; Brown, Philip; Buckley, Ellen; Buttery, Sara C.; Caulfied, Brian; Cereatti, Andrea; Chynkiamis, Nikolaos; Demeyer, Heleen; Echevarria, Carlos; Frei, Anja; Hansen, Clint; Hausdorff, Jeffrey M.; Hopkinson, Nicholas S.; Hume, Emily; Kuederle, Arne; Maetzler, Walter; Mazzà, Claudia; Micó-Amigo, Encarna M.; Mueller, Arne; Palmerini, Luca; Salis, Francesca; Scott, Kirsty; Troosters, Thierry; Vereijken, Beatrix; Watz, Henrik; Rochester, Lynn; Din, Silvia Del; Vogiatzis, Ioannis; Garcia-Aymerich, Judith (Peer reviewed; Journal article, 2023)
      Background Gait characteristics are important risk factors for falls, hospitalisations and mortality in older adults, but the impact of COPD on gait performance remains unclear. We aimed to identify differences in gait ...

    • Laboratory Characterisation of a Commercial RGB CMOS Camera for Measuring Night Sky Brightness 

      Fiorentin, Pietro; Bertolo, Andrea; Cavazzani, Stefano; Ortolani, Sergio (Peer reviewed; Journal article, 2023)
      The use of RGB cameras in photometric applications has grown over the last few decades in many fields such as industrial applications, light engineering and the analysis of the quality of the night sky. In this last field, ...

    • Laboratory Evaluation of Static and Dynamic Sag in Oil-Based Drilling Fluids 

      Ofei, Titus Ntow; Kalaga, Dinesh V.; Lund, Bjørnar; Saasen, Arild; Linga, Harald; Sangesland, Sigbjørn; Gyland, Knud Richard; Kawaji, Masahiro (Journal article; Peer reviewed, 2020)
      In this paper, we present the results of barite sag measurements before and after hot-rolled oil-based drilling fluids (OBDFs) using different approaches for characterization. We characterized the barite sag of a liquid ...

    • Laboratory experiments on shared-energy collisions between freshwater ice blocks and a floating steel structure 

      Kim, Ekaterina; Storheim, Martin; Amdahl, Jørgen; Løset, Sveinung; von Bock und Polach, Rüdiger Ulrich Franz (Journal article; Peer reviewed, 2017)
      Ship collisions with floating ice in which the ship sustains damage are in the shared-energy regime – both the ice and the ship dissipate energy through inelastic deformations. The physics of these events are rarely studied. ...

    • Laboratory experiments on ultrasonic logging through casing for barrier integrity validation 

      Talberg, Andreas Sørbrøden; Johansen, Tonni Franke; Larsen, Idar (Chapter, 2017)
      Verification of annular barriers is essential for well integrity, with ultrasonic methods being central in well integrity testing for many decades. By doing ultrasonic pitch-catch measurements on a bench top laboratory ...

    • Laboratory Investigation of Impact of Injection–Abstraction Rate and Groundwater Flow Velocity on Groundwater Heat Pump Performance 

      Sezer, Taha; Sani, Abubakar Kawuwa; Singh, Rao Martand; Cui, Liang (Peer reviewed; Journal article, 2023)
      Using low-temperature (shallow) groundwater as a heat source or heat sink is a common practice to supply space heating or cooling, especially in the United States, Canada, China, and several European countries. The groundwater ...