Browsing Fakultet for naturvitenskap (NV) by Document Types "Doctoral thesis"
Now showing items 41-60 of 1408
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Alginate microcapsules for cell therapy : a study of functional properties of capsules made of native and enzymatically tailored alginates
(Doktoravhandlinger ved NTNU, 1503-8181; 2002:30, Doctoral thesis, 2002)Alginate-poly-L-lysine(PLL)-alginate capsules are the far most studied system for encapsulation of living cells. Immobilisation in ionically cross-linked alginate provides a simple and safe encapsulation procedure at ... -
Alginate sequencing: Block distribution in alginates and its impact on macroscopic properties
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:26, Doctoral thesis, 2013) -
Aligned carbon nanotubes@ manganese oxide coaxial arrays for lithium ion batteries
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:257, Doctoral thesis, 2013)Lithium ion batteries (LIB) have attracted widespread interests due to their higher specific energy compared with nickel–cadmium batteries and lead–acid batteries. However, their specific power remains too low to power ... -
Alkali‐silica reaction (ASR) – Performancetesting
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:269, Doctoral thesis, 2013)Whether or not concrete prism tests developed for assessment of alkali‐silica reactivity of aggregates is suitable for general ASR performance testing of concrete has been evaluated. The work has been part of the Norwegian ... -
Alkane oxidation and the emulsification of crude oil by a Rhodococcus species
(Dr. ingeniøravhandling, 0809-103X; 2000:106, Doctoral thesis, 2000)The objective of this work was to study the physiology of one crude oil emulsifying bacterium, with particular emphasis on its emulsifying system. There is a potential use of oil emulsifying bacteria (OEB) for the clean ... -
Alstruc' - en modell for størkning og varmebehandling av industrielle aluminiumlegeringer.
(Doctoral thesis, 2003)The thesis consists of a summary, and 11 papers. Part 6 in the summary includes a list of who did what in papers with several authors. The summary: The summary gives a short survey of 'Alstruc', and examples of calculations ... -
Alternative Li-ion Cathodes based on Transition Metal Orthosilicates
(Doctoral thesis at NTNU;2016:57, Doctoral thesis, 2016)The aspiration of today’s society to become independent from crude oil and nuclear power led to a rapid growth of renewable energy production. Unfortunately, the majority of these energy sources are discontinuous and require ... -
Aluminium Recycling Pre-treatments: Compaction and Thermal De-coating
(Doctoral theses at NTNU;2024:103, Doctoral thesis, 2024)Due to their light weight and versatility, aluminium alloys are found everywhere around us, from food packaging to aerospace applications. Aluminium recycling saves substantial amounts of energy, resources, and waste ... -
Amine and amino acid absorbents for CO₂ capture
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:228, Doctoral thesis, 2011)World energy demand is on a continuous increase and fossil fuels will remain the dominant energy source for the foreseeable future. Fossil fuel combustion, however, results in greenhouse gas emissions, and in particular ... -
Ammonia as Hydrogen Carrier. Effects of Ammonia on Polymer Electrolyte Membrane Fuel Cells
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:25, Doctoral thesis, 2004) -
Amphiphilic polysaccharides: Stabilization of dispersed two-phase systems and gelling properties of chitosans and propylene glycol alginates
(Doctoral thesis at NTNU;2015:325, Doctoral thesis, 2015)For many of the polysaccharides with reported surface active and emulsifying properties, this has been attributed to an associated protein fraction. However, certain polysaccharides, such as chitosans and propylene glycol ... -
An aggregation model reduction method for one-dimensional distributed systems
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:186, Doctoral thesis, 2009)This thesis discusses a model reduction method for one-dimensional distributed systems. These systems can be spatially discretely distributed, like staged distillation columns, or spatially continuously distributed, like ... -
An Experimental and Numerical Study of Heat Transfer in Aluminium Melting and Remelting Furnaces
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:30, Doctoral thesis, 2013)This work has been a combined experimental and numerical modeling effort aimed to help in the understanding of heat transfer processes when melting aluminium. In addition a newly developed type of oxy-fuel burner was ... -
An Experimental Study of Tetrameric Naphthenic Acids atw/o Interfaces: Reactivity, Inhibition and Emulsion Formation
(Doktoravhandlinger ved NTNU, 1503-8181, Doctoral thesis, 2009) -
An Experimental Study of the Phase Separation Phenomenon and Dewatering Technique of Pyrolysis Oil
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:60, Doctoral thesis, 2014)Fast pyrolysis is a promising technology for cost-efficient conversion of biomass into renewable liquid fuels. However, development of pyrolysis oils as a fuel is incomplete. Issues of phase separation and alteration of ... -
An investigation of fundamental phenomena affecting the performance of sputtered Pd alloy thin film membranes for hydrogen separation
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:165, Doctoral thesis, 2014)Pure hydrogen flux has been obtained for sputtered Pd77%Ag23% membranes with thickness of 2.2-11.2 μm. A general thickness dependent behaviour is observed upon permeation under hydrogen. However, permeability is not constant ... -
An investigation of wave-energy absorption by single and double oscillating water-column converters
(Dr.ingeniøravhandling, 0809-103X; 1995:2, Doctoral thesis, 1995) -
An NMR investigation of lytic polysaccharide monooxygenases
(Doctoral theses;2018:337, Doctoral thesis, 2018)Bioeconomy requires sustainable sources of biomass (e.g. chitin and cellulose) to use as energy, feed and biomaterials. In the quest of biomass conversion, lytic polysaccharide monooxygenases (LPMOs) are key enzymatic ... -
Anaerobic digestion process using membrane integrated micro aeration
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:190, Doctoral thesis, 2010)Anaerobic digestion, AD, is regarded as a key environmental technology in industrial, agricultural, and domestic sectors for integrated solid and liquid waste treatment and renewable energy production. The main objectives ... -
Analyses and Characterization of Fossil Carbonaceous Materials for Silicon Production
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:30, Doctoral thesis, 2008)Production of high silicon alloys is carried out in submerged arc furnaces by reduction of silicon bearing oxides (typically quartz) with carbon materials. Carbonaceous materials like coal, coke, charcoal and woodchips are ...