Blar i Department of Physics and Technology på tittel

Viser treff 1177-1196 av 2132

    • Modelling substances present in an amine scrubbing plant during CO2 capture with aqueous monoethanolamines using multivariate data analysis and ATR-FTIR spectroscopy 

      Kvaløy, Henning Mjåtvedt (Master thesis, 2018-06-20)
      Since the 19th century, an increase in the earth’s temperature has been recorded. The rise in temperature is caused mainly by anthropogenic greenhouse gases, such as CO2. Industrial processes are the cause of 40% of the ...

    • Modelling supercapacitors using a dynamic equivalent circuit with a distribution of relaxation times 

      Helseth, Lars Egil (Peer reviewed; Journal article, 2019)
      Supercapacitors are often modelled using electrical equivalent circuits with a limited number of branches. However, the limited number of branches often cannot explain long-term dynamics, and one therefore has to resort ...

    • Modelling the descent of nitric oxide during the elevated stratopause event of January 2013 

      Orsolini, Yvan; Limpasuvan, Varavut; Pérot, Kristell; Espy, Patrick Joseph; Hibbins, Robert; Lossow, Stefan; Raaholt Larsson, Katarina; Murtagh, Donal (Peer reviewed; Journal article, 2017-03)
      Using simulations with a whole-atmosphere chemistry-climate model nudged by meteorological analyses, global satellite observations of nitrogen oxide (NO) and water vapour by the Sub-Millimetre Radiometer instrument (SMR), ...

    • Modelling the Spatial Extent of Medium Energy Electron Precipitation 

      Babu, Eldho Midhun (Doctoral thesis, 2023-09-22)
      Jordens magnetosfære fungerer som et robust skjold, og beskytter planeten vår mot den nådeløse tilstrømningen av ladede partikler som hovedsakelig stammer fra solens solvind og fra de kosmiske strålene utenfor vårt solsystem. ...

    • Modification of jet substructure in heavy ion collisions as a probe of the resolution length of quark-gluon plasma 

      Casalderrey-Solana, J.; Milhano, G.; Pablos Alfonso, Daniel; Rajagopal, K. (Journal article; Peer reviewed, 2020)
      We present an analysis of the role that the quark-gluon plasma (QGP) resolution length, the minimal distance by which two nearby colored charges in a jet must be separated such that they engage with the plasma independently, ...

    • The modular X- and gamma-ray sensor (MXGS) of the ASIM Payload on the International Space Station 

      Østgaard, Nikolai; Balling, Jan E.; Bjørnsen, Thomas Riis; Brauer, Peter; Budtz-Jørgensen, Carl; Bujwan, Waldemar; Carlson, Brant Edward; Christiansen, Freddy; Connell, Paul; Eyles, Chris; Fehlker, Dominik; Genov, Georgi; Grudzinski, Pawel; Kochkin, Pavlo; Kohfeldt, Anja; Kuvvetli, Irfan; Thomsen, Per Lundahl; Pedersen, Søren Møller; Navarro-Gonzalez, Javier; Neubert, Torsten; Njøten, Kåre; Orleanski, Piotr; Qureshi, Bilal Hasan; Cenkeramaddi, Linga Reddy; Reglero, Victor; Reina, Manuel; Rodrigo, Juan Manuel; Rostad, Maja Elise; Sabau, Maria D.; Kristensen, Steen Savstrup; Skogseide, Yngve; Solberg, Arne Olav; Stadsnes, Johan; Ullaland, Kjetil; Yang, Shiming (Peer reviewed; Journal article, 2019-02-18)
      The Modular X- and Gamma-ray Sensor (MXGS) is an imaging and spectral X- and Gamma-ray instrument mounted on the starboard side of the Columbus module on the International Space Station. Together with the Modular Multi-Spectral ...

    • Modulation of Magnetospheric Substorm Frequency: Dipole Tilt and IMF By Effects 

      Ohma, Anders; Reistad, Jone Peter; Hatch, Spencer Mark (Journal article; Peer reviewed, 2021)
      Substorm activity is heavily influenced by the Interplanetary Magnetic Field (IMF) Bz component and magnetospheric substorms occur most frequently when Bz is strongly negative. The substorm occurrence rate is also affected ...

    • A moiré deflectometer for antimatter 

      Aghion, Stefano; Ahlen, O; Amsler, C; Ariga, A; Ariga, T; Belov, AS; Berggren, K; Bonomi, G; Braunig, P; Bremer, J; Brusa, RS; Cabaret, L; Canali, C; Caravita, R; Castelli, F; Cerchiari, G; Cialdi, S; Comparat, D; Consolati, G; Derking, H; Di, Domizio,S; Di, Noto,L; Doser, M; Dudarev, A; Ereditato, A; Ferragut, R; Fontana, A; Genova, P; Giammarchi, M; Gligorova, Angela; Gninenko, SN; Haider, S; Huse, Torkjell; Jordan, E; Jorgensen, LV; Kaltenbacher, T; Kawada, J; Kellerbauer, A; Kimura, M; Knecht, A; Krasnicky, D; Lagomarsino, V; Lehner, S; Magnani, A; Malbrunot, C; Mariazzi, S; Matveev, VA; Moia, F; Nebbia, G; Nedelec, P; Oberthaler, MK; Pacifico, Nicola; Petracek, V; Pistillo, C; Prelz, F; Prevedelli, M; Regenfus, C; Riccardi, C; Røhne, Ole Myren; Rotondi, A; Sandaker, Heidi; Scampoli, P; Storey, J; Vasquez, MAS; Spacek, M; Testera, G; Vaccarone, R; Widmann, E; Zavatarelli, S; Zmeskal, J (Peer reviewed; Journal article, 2014-07-28)
      The precise measurement of forces is one way to obtain deep insight into the fundamental interactions present in nature. In the context of neutral antimatter, the gravitational interaction is of high interest, potentially ...

    • Molecular Dynamics Simulation Studies of Piperazine Activated MDEA Absorption Solution with Methane and Carbon Dioxide 

      Farmahini, Amir Hajiahmadi (Master thesis, 2010-06-15)
      Regenerative chemical absorption process is widely used in industry for removal of carbon dioxide from natural gas, with activated aqueous solutions of alkanolamines considered a beneficial blend. One of the most promising ...

    • Molecular Dynamics Study of Selective Adsorption of PCB on Activated Carbon 

      Jensen, Bjørnar; Kuznetsova, Tatiana; Kvamme, Bjørn; Oterhals, Åge (Journal article, 2011)
      The selectivity of PCB adsorption from fish oil onto activated carbon (AC) was investigated by means of molecular dynamics to determine the importance of molecular planarity. PCB congeners 77 and 118 were selected for ...

    • Molecular dynamics study of water and carbon dioxide separation by means of nanotubes - A new method to capture CO2 

      Fimreite, Sjur Sato (Master thesis, 2018-08-30)
      Anthropogenic carbon dioxide (CO2) emissions are a huge concern these days. Arguably, but widely accepted, the apparent global climate changes are due to the increasing CO2 concentrations in the atmosphere. Carbon dioxide ...

    • Molekylærdynamiske studier av vann- adsorpsjon på hematitt 

      Vassdal, Jan Thore (Master thesis, 2010-06)
      I denne oppgaven ser en på hva som skjer på overflaten av en hematittstruktur som blir utsatt for vann. Hematitt er en av strukturene mellom jern og oksygen som i dagliglivet omtales som rust. Sammenlignet med andre ...

    • Monitoring and calibration of the ALICE time projection chamber 

      Larsen, Dag Toppe (Doctoral thesis, 2010-08-31)

    • Monolithic atom interferometry 

      Fiedler, Johannes; Lefmann, Kim; von Klitzing, Wolf; Holst, Bodil (Journal article; Peer reviewed, 2023)
      Atom and, more recently, molecule interferometers are used in fundamental research and industrial applications. Most atom interferometers rely on gratings made from laser beams, which can provide high precision, but cannot ...

    • Monte Carlo based comparison of constant vs. variable RBE for proton therapy patients 

      Søbstad, Johan Martin (Master thesis, 2017-06-21)
      Around the world, the use of protons as an alternative to photons radiation therapy of cancer is becoming more widespread. The motivations for this is that protons enable a reduction of the radiation dose to health tissue ...

    • A Monte Carlo feasibility study for neutron based real-time range verification in proton therapy 

      Ytre-Hauge, Kristian; Skjerdal, Kyrre; Mattingly, John; Meric, Ilker (Peer reviewed; Journal article, 2019-02-14)
      Uncertainties in the proton range in tissue during proton therapy limit the precision in treatment delivery. These uncertainties result in expanded treatment margins, thereby increasing radiation dose to healthy tissue. ...

    • A Monte Carlo simulation framework for performance evaluation of a proton imaging system without front trackers 

      Sølie, Jarle Rambo (Doctoral thesis, 2020-12-18)
      Today, radiotherapy is one of the main methods for cancer treatment and it is used to irradiate a tumour with a prescribed dose according to a dose plan designed to irradiate the tumour cells while sparing surrounding ...

    • Monte Carlo Simulations of a Moving Target during Spot-Scanning Particle Therapy with Protons 

      Haraldsen, Vegard Schei (Master thesis, 2015-06-01)
      During radiation therapy for cancer, the dose distribution delivered to patients will be affected by the motion of the target volume and the motion of the surrounding tissue and organs. The overall objective of this thesis ...

    • Monte Carlo simulations of a scanning system based on a panoramic X-ray tube with a conical anode 

      Sofiienko, Andrii; Jarvis, Chad; Voll, Ådne (Peer reviewed; Journal article, 2014-08-21)
      Monte Carlo simulations were used to study photon production in a panoramic X-ray tube with a conical tungsten target to determine the optimal characteristics of the target shape and electron beam configuration. Several ...

    • Monte Carlo simulations of neutron based in-vivo range verification in proton therapy – characterstics of proton-induced secondary particles 

      Helland, Eidi (Master thesis, 2019-12-17)
      Radiation therapy is an important treatment modality within cancer treatment, with the aim to deliver a high dose to the target volume while sparing the surrounding tissue. Protons have favourable characteristics of ...