Browsing NTNU Open by Title
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Organosolv pretreatment of Norway spruce: Ethanol pretreatment for Biorefinery applications
(Doctoral theses at NTNU;2022:385, Doctoral thesis, 2022)The acceleration of climate change and the depletion of oil reserves forced the society to look for alternative fuel sources. Among the available alternatives, second generation biofuel is gaining attention due to several ... -
Orgelet og impresjonismen. En studie av impresjonistiske aspekter i orgelverker av Maurice Duruflé
(Doctoral thesis, 2002)The organ and impressionism No other musical instrument compares to the organ with respect to frequency range, dynamic range, range of timbre, and technical complexity. The organ is also uniquely characterised ... -
Oriental reed warbler (Acrocephalus orientalis) nest defence behaviour towards brood parasites and nest predators
(Journal article; Peer reviewed, 2015)Brood parasites and predators pose different threats to passerines that may favour the evolution of enemy-specific defence strategies. Furthermore, potential sex-specific variation in parental investment may be manifested ... -
Orientalisme i lærebøker En studie i møtet mellom leser og lærebøker i samfunnsfag
(Master thesis, 2020)Formålet med masterprosjektet har vært å studere hvordan leseres møte med lærebøker oppleves i et antirasistisk lys. I oppgaven brukes det en forståelse av orientalismen som en kolonial diskurs som påvirker hvordan vi ... -
Orientation and Projection Center Refinement for EBSD Indexing in Python
(Master thesis, 2021)I dette arbeidet er et sett med algoritmer for forbedring av krystallorientering og projeksjonssenter estimater spesielt etter, men ikke begrenset til, dictionary indexing av EBSD mønster presentert. Algoritmene er utviklet ... -
Orientation dependent pinning of (sub)grains by dispersoids during recovery and recrystallization in an Al–Mn alloy
(Peer reviewed; Journal article, 2023)The recrystallized grain size and texture in alloys can be controlled via the microchemistry state during thermomechanical processing. The influence of concurrent precipitation on recovery and recrystallization is here ... -
Orientation effects on energy dispersive spectroscopy in TEM
(Master thesis, 2020)Energispredningsspektroskopi (EDX) er den mest brukte metoden for ̊a bestemme et ma-terials komposisjon p ̊a nanometer-skala ved transmisjonselektronmikroskoper(TEM). Re-sultatene p ̊avirkes av hvordan den innkommende ... -
Orientation independent and dependent subgrain growth during iso-thermal annealing of high- purity and commercial purity aluminium
(Journal article; Peer reviewed, 2019)The orientation dependence on recovery has been studied in cold-rolled and annealed polycrystalline high-purity aluminium (99.99 wt%), binary Al-0.25Mn and commercial purity aluminium. The growth mechanisms were found to ... -
Orientation Modulation for Data Hiding in Chrominance Channels of Direct Binary Search Halftone Prints
(Journal article; Peer reviewed, 2016)In this article, we propose a joint halftoning and data hiding technique for color images. To ensure high quality of the printed image, the color direct binary search (CDBS) iterative halftoning algorithm is used. The ... -
Orientation relationship between b-Si3N4 and Si in multicrystalline silicon ingots for PV applications
(Journal article; Peer reviewed, 2018)β-Si3N4 particles are thought to be nucleation sites for silicon in multicrystalline silicon (mc-Si) ingots for PV applications. The orientation relationship (OR) between Si and β-Si3N4 has been investigated by transmission ... -
Orientation relationships of phase transformation in α-Al12Mn3Si pseudomorphs after plate-like Al6Mn precipitate in an AA3004 Al-Mn based alloy
(Journal article; Peer reviewed, 2017)The phase transformation in the plate-like precipitates of Al6Mn in an AA3004 Al-Mn based alloy, which was prepared by a chemical extraction technique, was investigated using transmission electron microscopy. The boiling-phenol ... -
Orientational dependence of the van der Waals interactions for finite-sized particles
(Journal article, 2018)Dispersion forces, especially van der Waals forces as interactions between neutral and polarizable particles act at small distances between two objects. Their theoretical origin lies in the electromagnetic interaction ... -
Orientational mapping of minerals in Pierre shale using X-ray diffraction tensor tomography
(Peer reviewed; Journal article, 2021)Shales have a complex mineralogy with structural features spanning several length scales, making them notoriously difficult to fully understand. Conventional attenuation-based X-ray computed tomography (CT) measures density ... -
Orienteering from Cradle to Grave—How a Sport Could Offer Lifelong Participation
(Peer reviewed; Journal article, 2021)Background: The aim of this present study is to explore what makes orienteering meaningful and rewarding to former elite athletes’ years or even decades after ending their elite careers. Methods: Applying a qualitative ... -
Origin and role of the cerebrospinal fluid bidirectional flow in the central canal
(Peer reviewed; Journal article, 2020)Circulation of the cerebrospinal fluid (CSF) contributes to body axis formation and brain development. Here, we investigated the unexplained origins of the CSF flow bidirectionality in the central canal of the spinal cord ... -
Origin and spatial distribution of metals in moss samples in Albania: A hotspot of heavy metal contamination in Europe
(Journal article; Peer reviewed, 2018)This study presents the spatial distribution of 37 elements in 48 moss samples collected over the whole territory of Albania and provides information on sources and factors controlling the concentrations of elements in the ... -
Origin of anhydrite rocks in the Tromsø Basin, and the evolution of the Tromsø Basin in the light of salt tectonics
(Master thesis, 2016)The Southwestern Barents Sea Shelf is estimated to contain 260 300 billion m3 of gas reserves, of which a significant amount have been proven to be associated with salt structures in the Nordkapp Basin. Salt tectonics ... -
Origin of anomalously stabilizing ice layers on methane gas hydrates near rock surface
(Peer reviewed; Journal article, 2023)Gas hydrates (GHs) in water close to freezing temperatures can be stabilised via the formation of ice layers. In a recent work [Boström et al., Astron. Astrophys., A54, 650, 2021], it was found that a surface region with ... -
Origin of Chemisorption Energy Scaling Relations over Perovskite Surfaces
(Journal article; Peer reviewed, 2019)Rationally tailored perovskites ABO3 are promising substitutes for expensive noble-metal catalysts in heterogeneous catalysis. In this contribution, the BEEF-vdW + U method has been used to examine the adsorption of H, C, ... -
Origin of ferroelectric polarization in tetragonal tungsten-bronze-type oxides
(Journal article; Peer reviewed, 2016)The origin of ferroelectric polarization in tetragonal tungsten-bronze- (TTB-) type oxide strontium barium niobate (SBN) is investigated using first-principles density functional calculations. We study in particular the ...