Browsing Fakultet for naturvitenskap (uspesifisert) by Issue Date
Now showing items 1-20 of 78
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Coulombgass i To Dimensjoner
(Master thesis, 1987) -
Størkning av 75\% ferrosilisium : forløp, struktur og styrke
(Dr.ingeniøravhandling, 0809-103X; 1988:53, Doctoral thesis, 1988)Målsettingen med oppgaven har vært å komme frem til praktiske størkningsmodeller som beskriver størkning av 75% ferrosilisium utstøpt under forskjellige betingelser samt å beskrive de resulterende egenskaper hos ... -
Optimalisert algeproduksjon som fôr til kamskjellyngel
(Master thesis, 1998) -
Flow and Heat Transfer in a Radially Spreading Liquid Metal Jet Related to Casting of Ferroalloys
(Dr. ingeniøravhandling, 0809-103X; 2000:83, Doctoral thesis, 2000)In the past more and more advanced and fine-tuned processes for steel production have resulted in increased demands for new and more costeffective ferroalloys used as constituents in the processes. Casting techniques and ... -
Sea Ice Studies in the Northern Sea Route by use of Synthetic Aperture Radar
(Dr. ingeniøravhandling, 0809-103X; 2002:22, Doctoral thesis, 2000)The main objective of this thesis is to contribute to the understanding of sea ice processes in the Northern Sea Route, mainly with use of remote sensing data from Synthetic Aperture Radar (SAR). Multivariate data analysis ... -
Behaviour of nickel, iron and copper by application of inert anodes in aluminium production
(Dr. ingeniøravhandling, 0809-103X; 2000:104, Doctoral thesis, 2000)A thorough investigation was performed on the behaviour of Ni, Fe and Cu oxides dissolved in cryolite melts, and the solubility of these species was measured as a function of alumina content, NaF/AlF3 molar ratio (CR) and ... -
Minimum Energy Requirements in Complex Distillation Arrangements
(Dr. ingeniøravhandling, 0809-103X; 2001:43, Doctoral thesis, 2001)Distillation is the most widely used industrial separation technology and distillation units are responsible for a significant part of the total heat consumption in the world’s process industry. In this work we focus on ... -
Electrocatalysis in water electrolysis with solid polymerelectrolyte
(Dr. ingeniøravhandling, 0809-103X; 2001:96, Doctoral thesis, 2001)Development and optimization of the electrodes in a water electrolysis system using a polymer membrane as electrolyte have been carried out in this work. A cell voltage of 1.59 V (energy consumption of about 3.8 kWh/Nm3 ... -
Synthesis and Functionalization of 3-Nitropyridines
(Dr. ingeniøravhandling, 0809-103X; 2001:100, Doctoral thesis, 2001)The goals for the project “Synthesis and Functionaliszation of 3-Nitropyridines” were first to further optimize the procedures for nitration of 3-nitropyridines, and then investigate some aspects of the mechanism. Further ... -
Degradation- and Passage Kinetics of Concentrate Particles and Solubles in the Rumen
(Dr.ingeniøravhandling, 0809-103X; 2001:107, Doctoral thesis, 2001)This thesis deals with three actual issues of ruminant degradation and escape of dietary components: One of the main emphasis has been on how particle size distribution of concentrated feed affects the degradation and ... -
Multivariate Image Regression (MIR) for Quantitative Predictions. Prototype Software Implementation and Selected Industrial-Technological Pilot Studies
(Dr. ingeniøravhandling, 0809-103X; 2000:99, Doctoral thesis, 2001)In large and important sectors of modern production, there is an increased demand for on-line or at-line information. Both consumers and governmental regulations require that producers can document the quality of their ... -
Mass Transport and Kinetic Phenomena in Catalytic Polymerization of Olefins
(Dr. ingeniøravhandling, 0809-103X; 2001:32, Doctoral thesis, 2001) -
Interactions between Chitosans and Bacteria: Flocculation and Adhesion
(Dr. ingeniøravhandling, 0809-103X; 2001:80, Doctoral thesis, 2001) -
Coevolutionary adaptations in avian brood parasites and their hosts
(Doctoral thesis, 2001)Dette prosjektet har satt søkelyset på to problemstillinger knyttet til samevolusjonen mellom parasitt og vert; 1) utvikling av vertstilpasninger som mottrekk mot tilpasninger hos parasitten, med spesiell fokus på ... -
Chemical and Electrochemical Characterisation of Oxide/Hydroxide Impurities in the Electrolyte for Magnesium Production
(Dr. ingeniøravhandling, 0809-103X; 2001:58, Doctoral thesis, 2001)This work is part of a research program where the aim is to develop an electroanalytical technique to determine the amount of dissolved oxide and hydroxide in industrial Mg electrolytes. The systems studied were mixtures ... -
Development in Applied Chemometrics: AMT, acoustic chemometrics and N-way image analysis
(Dr. ingeniøravhandling, 0809-103X; 2001:25, Doctoral thesis, 2001) -
Steam explosions during granulation of Si-rich alloys.: Effect of Al- and Ca-additions
(Dr.ingeniøravhandling, 0809-103X; 2002:43, Doctoral thesis, 2002)Steam explosions are possible during granulation of Si and FeSi75. These explosions are a great hazard, and must be avoided. Norwegian ferroalloy producers have initiated a research program to learn more about such violent ... -
The function of scent marking in beaver (Castor fiber) territorial defence
(Doctoral thesis, 2002)This thesis examines how scent marking in Eurasian beaver (Castor fiber) functions in territorial defence. Beavers usually deposit scent (castoreum and/or anal gland secretion (AGS)) onto small piles of mud and debris, and ... -
Ultrafiltration of Partially Degraded Starch Solution
(Dr.ingeniøravhandling, 0809-103X; 2002:87, Doctoral thesis, 2002)Desizing wastewater is largely responsible for the chemical oxygen demand (COD) load in the textile industry wastewater. A larger portion of COD comes from degraded starch in desizing wastewater. Removing the starch from ... -
The evolution of small GTP binding proteins in cellular organisms. Studies of RAS GTPases in arabidopsis thaliana and the Ral GTPase from Drosophila melanogaster
(Doctoral thesis, 2002)Small GTP binding proteins function as molecular switches which cycles between GTP-bound ON and GDP-bound OFF states, and regulate a wide variety of cellular processes as biological timers. The first characterized member ...