Browsing Fakultet for naturvitenskap (NV) by Document Types "Doctoral thesis"
Now showing items 1-20 of 1410
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3D carbon/polyaniline nanostructures for energy storage
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:215, Doctoral thesis, 2011)Among various types of electrical energy storage devices, supercapacitors (high power but low energy) and batteries (high energy but low power) are extensively studied. Present work aims to develop an electrode material ... -
4d/5d Transition Metals in Perovskite Cathode Materials
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:131, Doctoral thesis, 2013)Solid oxide fuel cells (SOFCs) have the potential to convert chemical energy to electrical energy in an efficient and environmentally friendly manner. The high operational temperatures of the first generation of SOFCs ... -
A biophysical study of oscillatory water regulation in plants : measurements and models
(Doctoral thesis, 2001)In this thesis, several aspects of the water regulation of plants will be studied and discussed. The focus is on biophysical properties of the system, especially on the dynamics and qualitative mechanistics. Following this ... -
A computational study of recrystallisation and grain growth using a 3D Potts Monte Carlo model
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:34, Doctoral thesis, 2009)The ever increasing capability of computer systems and the advances in theoretical understanding of the underlying physics and chemistry of materials have, over the last couple of decades, provided the basis for mathematical ... -
A multifluid-PBE model for reactive bubbly flow: Applied to biofuel production via the Fischer- Tropsch synthesis operated in a slurry bubble column
(Doktoravhandlinger ved NTNU;2018:291, Doctoral thesis, 2018)Summary of thesis: A multifluid-PBE model for reactive bubbly flow Although electricity is transforming the transportation sector, liquid fuels are believed to remain in demand in the near future. With the ... -
A mutational analysis of the biotechnologically useful broad-host-range Pm promoter in Escherichia coli
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:46, Doctoral thesis, 2009) -
A Numerical Study of Capillary and Viscous Drainage in Porous Media
(Dr. ingeniøravhandling, 0809-103X; 1999:131, Doctoral thesis, 1999)This work concentrates on the flow properties when one fluid displaces another fluid in a network of pores and throats. We consider the scale where individual pores enter the description and we use a network model to ... -
A process model for friction stir welding of age hardening aluminium alloys
(Dr. ingeniøravhandling, 0809-103X; 1999:76, Doctoral thesis, 1999) -
A Semi-Industrial Scale Process to Produce Carbon Membranes for Gas Separation
(Doctoral theses at NTNU;2019:296, Doctoral thesis, 2019)Carbon molecular sieve membranes (CMSMs) are thin carbon barriers, usually in the shape of a film or hollow fibre, that are capable of selectively transporting certain gases. CMSMs are prepared by the thermal decomposition, ... -
A Steady-State Isotopic Transient Kinetic Study of Cobalt Catalysts: Mechanistic Insights and Effect of Cobalt Particle Size, Supports and Promoters
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:280, Doctoral thesis, 2011) -
A study of carbonaceous aerosols in the Norwegian environment, focusing on the water-soluble organic carbon fraction
(Doctoral thesis, 2005)The aim of the present thesis was to study the carbonaceous fraction of ambient aerosols in the Norwegian environment, with a particular focus on the water-soluble carbonaceous fraction. Studies were based on bulk and ... -
A Study of Localized Corrosion in Supermartensitic Stainless Steel Weldments
(Dr.ingeniøravhandling, 0809-103X; 2002:72, Doctoral thesis, 2002)This doctoral thesis is concerned with pitting corrosion in super martensitic stainless steel (SMSS) weldments in slightly sour service. Thee main objective with the present thesis has been to find out why pitting corrosion ... -
A study of metal contamination in a natural ecosystem affected by smelter emissions
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:174, Doctoral thesis, 2008) -
A Study of Self-Consistent Equations of State
(Dr. ingeniøravhandling, 0809-103X; 2001:10, Doctoral thesis, 2001) -
A study of the sorption-enhanced steam methane reforming process
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:371, Doctoral thesis, 2012) -
A TEM study of the precipitates in a 6082 Al-Mg-Si alloy system
(Dr. ingeniøravhandling, 0809-103X; 2000:103, Doctoral thesis, 2001)The purpose of this work has been to gain a better understanding of the details of the precipitation sequence in Al-Mg-Si alloys. Because of the complexity of such ternary systems is has been necessary to limit the study ... -
Absorption of Carbon Dioxide - Modeling and Experimental Characterization
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:16, Doctoral thesis, 2004)Recent studies on the costs of different processes for CO2 capture from power plants show that post-combustion CO2 removal by absorption with chemical solvents has the potential to remain the most important process also ... -
Accelerating the understanding of chemistry: with path-sampling and human understandable machine learning algorithms
(Doctoral theses at NTNU;2022:289, Doctoral thesis, 2022)Understanding chemistry is essential for the optimization of reactions and the development of new reactions. Chemical reactions can be investigated by simulations without wasting any precious materials or be influenced by ... -
Acid-base regulation and metabolite responses in shallow- and deep-living marine invertebrates during environmental hypercapnia
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:180, Doctoral thesis, 2012)Global warming is considered to be the most adverse consequence from the increasing anthropogenic emissions of CO2. However, in the marine environment additional problems related to the elevated levels atmospheric CO2 may ...