Blar i Fakultet for naturvitenskap (uspesifisert) på tittel
Viser treff 46-65 av 85
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Little Ice Age summer temperatures in Western Norway from a 700-year tree-ring chronology
(Journal article; Peer reviewed, 2018)A ring-width Pinus sylvestris chronology from Sogndal in western Norway was created, covering the period AD 1240–2008 and allowing for reconstruction of monthly mean July temperatures. This reconstruction is the first of ... -
Mass Transport and Kinetic Phenomena in Catalytic Polymerization of Olefins
(Dr. ingeniøravhandling, 0809-103X; 2001:32, Doctoral thesis, 2001) -
Mechanical, thermal and swelling properties of cellulose nanocrystals/PVA nanocomposites membranes
(Journal article; Peer reviewed, 2018)Cellulose nanocrystals (CNC) have strong reinforcing properties when incorporated in a compatible polymer matrix. The study was conducted to investigate the effect of addition of different proportions of CNC on the mechanical, ... -
Metabolism and function of β-1,3-glucan in marine diatoms
(Dr.ingeniøravhandling, 0809-103X; 2002:4, Doctoral thesis, 2002)β-1,3-Glucan (chrysolaminaran) is the principal storage polysaccharide in diatoms (Bacillariophyceae), the major primary producers in the sea. The glucan generally contributes a substantial fraction of the algal biomass, ... -
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 ... -
Modeling the Economics and Market Adoption of Distributed Power Generation
(Doctoral Theses at NTNU, 1503-8181; 2006:93, Doctoral thesis, 2006)After decades of power generating units increasing in size, there is currently a growing focus on distributed generation, power generation close to energy loads. Investments in large-scale units have been driven by economy ... -
Modelling of gas explosions
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:221, Doctoral thesis, 2010)The content of this thesis is a study of gas explosions in complex geometries and presentation and validation of a method for simulating flame acceleration and deflagration to detonation transition. The thesis includes a ... -
Motor control of the upper trapezius
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:80, Doctoral thesis, 2005)Background The main objective of this thesis was to establish new insight into the motor control of low-threshold motor units in the trapezius muscle. Special attention was given to motor unit recruitment threshold related ... -
Multi-component interfacial transport as described by the square gradient model: evaporation and condensation.
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:176, Doctoral thesis, 2009)The aim of this thesis is to build a theoretical approach which allows to describe the behavior of fluid during evaporation and condensation in multicomponent systems. We consider isotropic non-polarizable mixtures. We ... -
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 ... -
Noise and dissipation in magnetoelectronic nanostructures
(Doctoral Theses at NTNU, 1503-8181; 2008:112, Doctoral thesis, 2008)This thesis adresses electric and magnetic noise and dissipation in magnetoelectronic nanostructures. Charge and spin current fluctuations are studied in various nanosized metallic structures consisting of both ferromagnetic ... -
Non-Intrusive Mass Flow Measurement of Solids in Pneumatic Conveying Systems
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:76, Doctoral thesis, 2011)Measuring mass flow of solids in pneumatic conveying systems has been a key element in industry and a challenge for researchers for many years. Many methods have been developed in the past; however, there is no perfect ... -
Nuclear Magnetic Resonance spectroscopy of marine microalgae: Metabolic profiling and species discrimination from High-Resolution Magic Angle Spinning NMR analysis of whole-cell samples
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:13, Doctoral thesis, 2005)Based on what is said about the background and structure, this thesis presents a discussion of the use of NMR spectroscopy as a tool for species discrimination and metabolic profiling of microalgae. The results of various ... -
Numerical analysis of boundary conditions in a Lagrangian particle model for vertical mixing, transport and surfacing of buoyant particles in the water column
(Journal article; Peer reviewed, 2019)Lagrangian particle models are used for many applications in the ocean sciences, including transport modelling of oil spills, fish eggs and larvae, plastics, and sediment particles. In the context of oil spill modelling, ... -
Olfactory coding and olfactory learning of plant odours in heliothine moths. An anatomical, physiological and behavioral study of three related species (Heliothis virescens, Helicoverpa armigera and Helicoverpa assulta)
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:83, Doctoral thesis, 2004) -
On-shell recursion relations for nonrelativistic effective field theories
(Peer reviewed; Journal article, 2021)We derive on-shell recursion relations for nonrelativistic effective field theories (EFTs) with enhanced soft limits. The recursion relations are illustrated through analytic calculation of tree-level scattering amplitudes ... -
Optimalisert algeproduksjon som fôr til kamskjellyngel
(Master thesis, 1998) -
Periodate oxidised chitosans : structure and solution properties
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:126, Doctoral thesis, 2004)Chitosans are considered promising for a wide range of applications, and especially in the biomedical and pharmaceutical field numerous possible applications are being investigated. However, some of the properties of ... -
Plastic Deformation at Moderate Temperatures of 6XXX-series Aluminium Alloys
(Dr. ingeniøravhandling, 0809-103X; 2002:12, Doctoral thesis, 2002)The present work has been carried out in order to investigate Al-Mg-Si alloys that are deformed at moderate temperatures. These temperatures are in the range between 200 C and 300 C. Also some experiments are performed at ... -
Quantitative and qualitative consequences of reduced pollen loads in a mixed-mating plant
(Journal article; Peer reviewed, 2019)Greater pollination intensity can enhance maternal plant fitness by increasing seed set and seed quality as a result of more intense pollen competition or enhanced genetic sampling. We tested experimentally these effects ...