Blar i Department of Chemistry på emneord "752299"
Viser treff 61-80 av 89
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Physical Chemistry of Mechanisms for Low Salinity Waterflood
(Master thesis, 2013-10-23)Low salinity injection as an alternative EOR method to enhance the production of reserves has for decades been investigated. Increasing evidence that reduction in brine salinity can cause a significant impact on the oil ... -
Polar Components in Crude Oils and Their Correlation to Physiochemical Properties.
(Master thesis, 2016-06-01)The composition and properties of crude oils have been subjected to much scrutinization over the past decades due to the decreasing oil quality and thus increasingly difficult oil recovery. The physical properties of crude ... -
Potential for bio-oil production from biodiesel production residues, with emphasis on African feedstocks
(Master thesis, 2017-01-30)Utilization of waste products from biomass have been scarcely research on. These wastes have been a major environmental hazard which involves a lot of capital and effort to curb. Thermochemical conversion using the LtL ... -
Process Monitoring of Continuous Flow Organic Syntheses by means of Inline Fiber Optical Raman Spectroscopy
(Master thesis, 2010-02-08)The objective of the current study was to investigate the feasibility of the inline optical fiber Raman spectroscopy as a tool for the process monitoring of the continuous flow organic syntheses. The synthesis of 2-bromo-3,4,5- ... -
A project in renewable fuels: A study of the catalytic activity of sulfated H-Ni-Mo catalyst on ZrO2 support in the LtL-process, and development of ESI-MS method for biooils
(Master thesis, 2015-09-18)Examining the effect of a hydrogenated Ni-Mo catalyst on a zirconia support for the LtL-process and an attempt at developing a method for ESI-MS analysis of the biooils produced. Biofuels produced from lignocellulosic ... -
Radioactive contamination in sediments near the sunken nuclear submarine Komsomolets, SW of Bear Island in the Norwegian Sea
(Master thesis, 2014-06-02)The Soviet nuclear submarine Komsomolets sank on the 7th of April 1989, 185 km southwest of the Bear Island in the Norwegian Sea to a depth of about 1655 m. The submarine contains one nuclear reactor, containing long-lived ... -
Radiometal Based on Titanium-45 for PET-Imaging
(Master thesis, 2021-09-01) -
Reaction monitoring using vibrational spectroscopy
(Master thesis, 2012-03-14)Reaction monitoring by vibrational spectroscopy (VS), especially NIR spectroscopy, is being increasingly used during process development. Analysts usually use spectroscopy to qualitatively monitor the progress of reactions. ... -
Relationship Between Crude Oil Composition and Physical-Chemical Properties
(Master thesis, 2016-06-01)Improving oil recovery by low salinity waterflooding has been of interest in both laboratories and fields in recent years. Understanding how the underlying mechanism affects the final recovery is necessary in order to ... -
Sammenheng mellom løsningsegenskaper, grenseflatespenning og retensjon for et kommersielt surfaktantsystem
(Master thesis, 2014-05-30)For å oppnå en suksessfull surfaktantflømming i økt oljeutvinning, ønsker man generelt å injisere en surfaktantløsning som har gode løsningsegenskaper, reduserer grenseflatespenning mellom vann og olje effektivt, og som ... -
Selenium Speciation in Animal Feeds and Fish Tissues by HPLC ICP-MS – Validation and Application of an Analytical Method
(Master thesis, 2023-09-30)Selenium (Se) is essential for human and animal health and crucial for selenoprotein synthesis with diverse biological roles. It's mainly sourced from animal feed, particularly fish feed, with fishmeal and marine by-products ... -
Solubilization of medium-chained alcohols in some ENORDET O series surfactants
(Master thesis, 2013-10-23)Primary to tertiary pentanol and -hexanol in Shell Chemicals' ENORDET O series IOS 1923, and for primary pentanol in IOS 2024, have been investigated by a thermodynamic approach. Standard partial molar volume and isentropic ... -
Spørsmål i en kjemilærebok: en studie av potensialer for dybdelæring på videregående skole
(Master thesis, 2019-07-30)Denne studien omhandler dybdelæring og hvordan dybdelæring kan se ut i praksis. Studien tar utgangspunkt i en revidert utgave av kjemi 1 bok, og analysen av tre tillegg fra denne boken danner hovedgrunnlaget i oppgaven. ... -
Syntese av Ag-nanopartikler i mikroemulsjoner; kontrollere morfologi ved å variere mikroemulsjonsparametere, reaktanter og stabilisatorer
(Master thesis, 2014-09-30)I denne oppgaven har hovedfokuset vært å undersøke hvorvidt Ag-nanopartikler kan fremstilles i et W/O mikroemulsjonsystem bestående av AOT og dekan. Effekten av å variere ulike parametere som vann-til- surfaktantforhold, ... -
Synthesis and characterization of synthetic and biopolymer hydrogels
(Master thesis, 2019-09-04)Hydrogels are widely researched for biomedical applications such as drug delivery. The tunable properties of hydrogels, in terms of swelling, mechanical properties and mesh size, make them prime candidates for this ... -
Synthesis development and characterization of aluminum nanoparticles for enhanced silicon solar cell performance.
(Master thesis, 2023-12-15) -
Synthesis of imidazole core based small molecules for the treatment of SMA
(Master thesis, 2019-08-29) -
Synthesis of substituted imidazoles that stabilizes Survival Motor Neuron Protein for treatment of Spinal Muscular Atrophy
(Master thesis, 2019-08-31)Spinal muscular atrophy (SMA) is a common autosomal recessive disorder and the leading cause of infant mortality. Patients with this disorder are missing the SMN1 gene that is producing 80-90 % of the Spinal motor neuron ... -
Synthesis, Characterization and Catalytic Applications of N-Heterocyclic Carbene Based Vanadium Complexes.
(Master thesis, 2022-05-31)New tri- and tetradentate O-functionalized NHC oxo- and imido vanadium complexes have been synthesized and characterized. The complexes were preliminary tested for catalytic activity towards coupling of CO2 and epoxides ... -
Technetium-99 (99Tc) in the North and Nordic Seas – the present status (2010) and a compilation of the Institute of Marine Research’s monitoring data (2003-2009)
(Master thesis, 2011-04-26)Technetium-99 (99Tc) is an anthropogenic, pure β-emitting (Emax = 292 keV) radionuclide with a half-life of 2.13 · 10^5 years. It is present in the marine environment primarily due to discharges from nuclear fuel reprocessing ...