Blar i Fakultet for naturvitenskap (NV) på tittel
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Investigation of bubble distribution and evolution in solar cell quartz crucibles
(Master thesis, 2017)Quartz crucibles are, among other applications, used to produce monocrystalline silicon ingots for the solar cell industry. The crucibles must be of high purity as any gas bubbles or impurities close to the crucible-melt ... -
Investigation of C1+C1 coupling reactions in cobalt-catalyzed Fischer-Tropsch synthesis by a combined DFT and kinetic isotope study
(Journal article; Peer reviewed, 2019)Understanding the chain growth mechanism is of vital importance for the development of catalysts with enhanced selectivity towards long-chain products in cobalt-catalyzed Fischer-Tropsch synthesis. Herein, we discriminate ... -
Investigation of Carbon Block/Cast Iron/Collector Bar Interfaces in Aluminum Electrolysis
(Master thesis, 2012)The chemical events occurring at the carbon/cast iron/collector bar interface that might have an impact on the cathodic voltage drop in aluminum electrolysis is elucidated in this thesis. The primary aluminum production ... -
Investigation of Co2AlO4/CeO2 Catalyst for N2O Abatement using Electron Microscopy Techniques
(Master thesis, 2014)A N2O abatement catalyst of a Co2AlO4 active phase and CeO2 support phase has been investigated using transmission electron microscopy (TEM), scanning transmission electron microscopy (STEM) and scanning electron microscopy ... -
Investigation of coalescence through film drainage modeling in chemical- and bioreactors with non-Newtonian continuous media
(Master thesis, 2021)Denne masteroppgaven tar for seg dreneringen av en ikke-Newtonsk film innfanget mellom to fluidpartikler for å modellere koalesens i kjemiske reaktorer og bioreaktorer. I litteraturen finnes det mange studier som utforsker ... -
Investigation of Embrittlement in Martensitic Machine Teeth
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Investigation of Encystment and Characterization of Exopolysaccharides in Azotobacter Species
(Master thesis, 2022)Bakterier tilhørende slekten Azotobacter kan danne en hvilene celletype, kalt cyster. Cyster er mer motstandsdyktige enn vegetative celler mot skadelige effekter som tørking, stråling og sonikering. En forståelse av hvilke ... -
Investigation of factors affecting the stability of compounds formed by isovalent substitution in layered oxychalcogenides, leading to identification of Ba3Sc2O5Cu2Se2, Ba3Y2O5Cu2S2, Ba3Sc2O5Ag2Se2 and Ba3In2O5Ag2Se2
(Peer reviewed; Journal article, 2022)Four novel compositions containing chalcogenide layers, adopting the Ba3M2O5M02Ch2 layered structure have been identified: Ba3Sc2O5Cu2Se2, Ba3Y2O5Cu2S2, Ba3Sc2O5Ag2Se2 and Ba3In2O5Ag2Se2. A comprehensive comparison of ... -
Investigation of Focused Ion Beam/Scanning Electron Microscope parameters for Slice and View and Energy Dispersive X-ray Spectroscopy of Embedded Brain Tissue
(Master thesis, 2014)This Thesis investigates the optimization of a Focused Ion Beam/Scanning Electron Microscope (FIB/SEM) Slice and View protocol of brain tissue. Using a Slice and View protocol in a Dualbeam instrument, the ion and electron ... -
Investigation of Fundamental Properties of Catalysts for Direct and Indirect Synthesis of DME
(Master thesis, 2014)Dimethyl ether (DME) has potential as an environmentally friendly fuel. The main advantage of DME as a fuel lies in its clean combustion; the emissions of soot and particulate matter, as well as NOx and SOx are significantly ... -
Investigation of glitches induced by single-crystal diamond compound refractive lenses based on crystal orientation
(Journal article; Peer reviewed, 2019)Single-crystal diamond is considered as an ideal material for compound refractive lenses (usually abbreviated to “CRLs”) mainly due to its stability when bathed in strong X-ray radiation. Since CRLs come into operation by ... -
Investigation of Heck coupling on 6-bromo[2,3-d]thienopyrimidines for construction of new EGFR inhibitor lead structures
(Journal article; Peer reviewed, 2017)With the aim of identifying new lead structures for EGFR inhibition, a study of palladium catalysed Heck coupling between (R)-6-bromo-N-(1-phenylethyl)thieno[2,3-d]pyrimidin-4-amine and various acrylates was performed. The ... -
Investigation of Hydrogel Scaffolds for Future Development of an In Vitro Alveoli Model of Human Pulmonary Fibroblasts
(Master thesis, 2023)Hovedmålet med denne masteroppgaven var å finne en egnet hydrogel som strukturelement for humane lungefibroblaster (HPFa) for å muliggjøre en fremtidig utvikling av en in vitro alveole modell. En lungealveole-modell kan ... -
Investigation of important steps in Palmaria palmata cultivation
(Master thesis, 2019)Økt etterspørsel av rødalgen Palmaria palmata øker interessen for kultivering av denne arten i Norge. Mer forskning innen viktige trinn i P. palmata kultivering er nødvendig for at stor skala kultivering skal bli mulig. I ... -
Investigation of Inclusion Characteristics in LCAK Calcium Treated Steel: Inclusion characterization in 3-D using Electrolytic Extraction and SEM
(Master thesis, 2011)Low carbon steel samples taken during various stages of secondary refining were used in the present work for Electrolytic extraction (EE) to dissolve some metal and filter the solution to collect the inclusions.These film ... -
Investigation of interfacial tension of surfactant in low salinity water for enhanced oil recovery application
(Master thesis, 2013)Surfactant flooding is known as a very good method to improve oil recovery. Many experimental studies in laboratories have shown the effectiveness of this method to increase the percentage of oil coming up from the core ? ... -
Investigation of loss of surfactants during enhanced oil recovery applications - adsorption of surfactants onto clay materials
(Master thesis, 2013)Chemical flooding, or surfactant flooding, is a well known EOR technique which has been used worldwide for decades. For this method to be economically feasible, it is crucial to minimize the loss of surfactant to the ... -
Investigation of Low Temperature Toughness and Crack Initiation In Welded Structural Steels
(Master thesis, 2014)A 420 MPa HSLA steel has been investigated. Instrumented Charpy impact tests and quasi-static CTOD tests have been performed on specimens of weld simulated Coarse Grained Heat Affected Zone (CGHAZ) and Intercritically ... -
Investigation of Macrosegregation Formation in Aluminium DC Casting for Different Alloy Systems
(Journal article, 2018)Direct chill (DC) casting of aluminum involves alloys employing different solute elements. In this article, a qualitative analysis and comparison of macrosegregation formation is presented for three different alloy systems: ... -
Investigation of metal dusting corrosion process over UNS N08800 alloy
(Journal article; Peer reviewed, 2017)Metal dusting corrosion is a catastrophic degradation phenomenon that initiates on metallic surfaces of chemical process equipment at elevated temperature and under carburizing atmospheres. It proceeds by a gradual breakdown ...