• Phase Transformations from Quartz to Cristobalite 

      Jusnes, Karin Fjeldstad; Tangstad, Merete; Ringdalen, Eli (The Minerals, Metals & Materials Series;2367-1181, Chapter, 2018)
      Two quartz types used in the silicon and ferrosilicon industry were heated to temperatures of 1600 and 1700 °C. The parameters varied were the temperature and the holding time at maximum temperature. The amount of quartz, ...
    • Phase Transitions and Separation Time Scales of CO2-Crude Oil Fluid Systems: Wheel Flow Loop Experiments and Modelling 

      Fossen, Martin; Pasqualette, Marcelo A.; Carneiro, Joao N.E. (Peer reviewed; Journal article, 2020)
      Presented here is experimental and theoretical work on phase transitions and separation time scales for CO2−crude oil mixtures with CO2 content ranging from pure to 79 mol %. The experimental work was performed using the ...
    • Phosphorus deactivation on co-based catalysts for Fischer-Tropsch 

      Ivanez Encinas, Oscar Luis; Groven, Anette Synnøve; Rout, Kumar Ranjan; Blekkan, Edd Anders (Peer reviewed; Journal article, 2023)
      The effect of phosphorus on a cobalt-based catalyst for Fischer-Tropsch Synthesis (FTS) has been investigated. Phosphorus is an impurity present in biomass and, in this work, its deposition on the catalyst during biomass ...
    • Phosphorus separation from metallurgical-grade silicon by magnesium alloying and acid leaching 

      Zhu, Mengyi; Azarov, Alexander; Monakhov, Eduard; Tang, Kai; Safarian, Jafar (Peer reviewed; Journal article, 2020)
      In this paper, the separation of phosphorus from metallurgical-grade silicon was investigated based on an Mg alloying and HCl leaching approach. Experimental results show that P concentration was reduced from initial 15.1 ...
    • Photonic-crystal membranes for optical detection of single nano-particles, designed for biosensor application 

      Grepstad, Jon Olav; Kaspar, Peter; Solgaard, Olav; Johansen, Ib-Rune; Sudbø, Aasmund (Journal article, 2012)
      A sensor designed to detect bio-molecules is presented. The sensor exploits a planar 2D photonic crystal (PC) membrane with sub-micron thickness and through holes, to induce high optical fields that allow detection of ...
    • Physical disability and cognitive impairment amongrecipients of long-term care 

      Døhl, Øystein; Garåsen, Helge; Kalseth, Jorid; Magnussen, Jon (Journal article, 2016)
      Background and objective: For practical policy purposes variables describing disability and impairment should be aggregated into broader factors. By using data from a Norwegian mandatory system the objective of this study ...
    • Physicochemical characterization and quantification of nanoplastics: applicability, limitations and complementarity of batch and fractionation methods 

      Huber, Maximilian J.; Ivleva, Natalia P.; Booth, Andy; Beer, Irina; Bianchi, Ivana; Drexel, Roland; Geiss, Otmar; Mehn, Dora; Meier, Florian; Molska, Alicja Anna; Parot, Jérémie; Sørensen, Lisbet; Vella, Gabriele; Prina‑Mello, Adriele; Vogel, Robert; Caputo, Fanny (Peer reviewed; Journal article, 2023)
      A comprehensive physicochemical characterization of heterogeneous nanoplastic (NPL) samples remains an analytical challenge requiring a combination of orthogonal measurement techniques to improve the accuracy and robustness ...
    • Physics guided neural networks for modelling of non-linear dynamics 

      Robinson, Haakon; Pawar, Suraj; Rasheed, Adil; San, Omer (Peer reviewed; Journal article, 2022)
      The success of the current wave of artificial intelligence can be partly attributed to deep neural networks, which have proven to be very effective in learning complex patterns from large datasets with minimal human ...
    • Physics-informed deep learning for one-dimensional consolidation 

      Bekele, Yared Worku (Peer reviewed; Journal article, 2020)
      Neural networks with physical governing equations as constraints have recently created a new trend in machine learning research. In this context, a review of related research is first presented and discussed. The potential ...
    • Physiological and Biomechanical Determinants of Sprint Ability Following Variable Intensity Exercise When Roller Ski Skating 

      Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Noordhof, Dionne; Skovereng, Knut; Hatling Haugnes, Pål; Tjønnås, Johannes; Sandbakk, Øyvind Bucher (Peer reviewed; Journal article, 2021)
      The most common race format in cross-country (XC) skiing is the mass-start event, which is under-explored in the scientific literature. To explore factors important for XC skiing mass-starts, the main purpose of this study ...
    • Physiological and Biomechanical Responses to Cross-Country Skiing in Varying Terrain: Low- vs. High-Intensity 

      Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Noordhof, Dionne; Skovereng, Knut; Meyer, Frederic; Sandbakk, Øyvind Bucher (Peer reviewed; Journal article, 2021)
      The purposes of our study were to investigate the physiological and biomechanical responses to low-intensity (LI) and high-intensity (HI) roller ski skating on varying terrain and compare these responses between training ...
    • Physiological and Biomechanical Responses to Cross-Country Skiing in Varying Terrain: Low- vs. High-Intensity 

      Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Noordhof, Dionne; Skovereng, Knut; Meyer, Frederic; Sandbakk, Øyvind Bucher (Peer reviewed; Journal article, 2021)
      The purposes of our study were to investigate the physiological and biomechanical responses to low-intensity (LI) and high-intensity (HI) roller ski skating on varying terrain and compare these responses between training ...
    • Physiological and perceptual strain of firefighters during graded exercise to exhaustion at 40 and 10°C 

      Heimburg, Erna Dianne von; Sandsund, Mariann; Rangul, Tone Pedersen; Reinertsen, Randi Eidsmo (Journal article; Peer reviewed, 2017)
      Purpose. To study whether perceptual identification should be included as a measure to evaluate physiological stress. Methods. Physiological variables oxygen uptake (VO2), ventilation, heart rate, blood lactate concentration, ...
    • Physiological and perceptual strain of firefighters during graded exercise to exhaustion at 40 and 10°C 

      Heimburg, Erna Dianne von; Sandsund, Mariann; Rangul, Tone Pedersen; Reinertsen, Randi Eidsmo (Journal article, 2017)
      Purpose. To study whether perceptual identification should be included as a measure to evaluate physiological stress. Methods. Physiological variables oxygen uptake (VO2), ventilation, heart rate, blood lactate concentration, ...
    • Physiologically based pharmacokinetic modeling of intravenously administered nanoformulated substances 

      Minnema, Jordi; Borgos, Sven Even F.; Liptrott, Neill; Vandebriel, Rob J.; Delmaar, Christiaan (Peer reviewed; Journal article, 2022)
      The use of nanobiomaterials (NBMs) is becoming increasingly popular in the field of medicine. To improve the understanding on the biodistribution of NBMs, the present study aimed to implement and parametrize a physiologically ...
    • Pilot Building Powerhouse Kjørbo. As Built Report 

      Sørensen, Åse Lekang; Andresen, Inger; Walnum, Harald Taxt; Alonso, Maria Justo; Fufa, Selamawit Mamo; Jenssen, Bjørn; Rådstoga, Olav; Hegli, Tine; Fjeldheim, Henning (ZEB Project report;35, Research report, 2017)
      Powerhouse Kjørbo, located in Sandvika near Oslo, consists of two office blocks from the 1980´s that have been upgraded to energy-efficient and modern offices. The Powerhouse goal is that the refurbished buildings over ...
    • Pilot Scale Production of Manganese Ferroalloys Using Heat-Treated Mn-Nodules 

      Tangstad, Merete; Ringdalen, Eli; Manilla, Edmundo; Davila, Daniel (Peer reviewed; Journal article, 2017)
      Pilot-scale experiments are one way to investigate the process patterns and the reaction mechanisms of processes and raw materials. To understand a process fully, both theoretical considerations as well as small-scale ...
    • Pilot-Scale Test of Flue Gas Recirculation for The Silicon Process 

      Andersen, Vegar; Solheim, Ingeborg; Gaertner, Heiko; Sægrov-Sorte, Bendik; Einarsrud, Kristian Etienne; Tranell, Maria Gabriella (Peer reviewed; Journal article, 2022)
      Flue gas recirculation (FGR) for the silicon process may facilitate increasing the CO2 concentration in the off-gas, which will be beneficial for potential future carbon capture. Lower oxygen concentration in the combustion ...
    • Pilotprosjekt SAMDATA Rus 

      Lilleeng, Solfrid; Gystad, Stein Olav; Torvik, Heidi (SINTEF Rapport;A675, Research report, 2005)
    • Pilotprosjekter 

      Time, Berit; Kvande, Tore (Klima 2050 Report;44, Research report, 2023)