Browsing Fakultet for naturvitenskap (NV) by Title
Now showing items 12301-12320 of 12479
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Vinyl Amide Reactions in the Presence of Gold(I) Catalyst
(Master thesis, 2012)Reaksjoner med vinylderivater i nærvær av gull(I)katalysator. Sykloaddisjoner og dimeriseringsreaksjoner er studert. -
Virkningen av økte næringssaltutslipp fra akvakultur på strukturen i planteplanktonsamfunnet
(Master thesis, 2013)Et mesokosmeforsøk ble gjennomført over 20 dager i Hopavågen, Sør-Trøndelag. Forsøket ble startet under en typisk sensommer med resirkulerte næringsstoffer i et stratifisert vannlag (~10 m) og dominans av dinoflagellater ... -
Virtual inflow estimation with simplified tuning using cascaded and Kalman-like least squares observers
(Journal article; Peer reviewed, 2018)Multiphase metering is often unavailable, unreliable or expensive, which makes model-based, virtual monitoring a cheap and reliable alternative in order to obtain information about e.g. the inflows to a device. This paper ... -
Viscoelastic properties of interfacial lignosulfonate films and the effect of added electrolytes
(Peer reviewed; Journal article, 2020)New evidence is presented, which confirmed interfacial gelling of lignosulfonates in presence of di- and trivalent cations. In this article, the viscoelastic properties of lignosulfonate films at the water-xylene interface ... -
Viscoelastic properties of interfacial lignosulfonate films and the effect of added electrolytes
(Peer reviewed; Journal article, 2020)New evidence is presented, which confirmed interfacial gelling of lignosulfonates in presence of di- and trivalent cations. In this article, the viscoelastic properties of lignosulfonate films at the water-xylene interface ... -
Viscoelastic properties of nanocellulose based inks for 3D printing and mechanical properties of CNF/alginate biocomposite gels
(Journal article; Peer reviewed, 2019)Inks for 3D printing based on cellulose nanofibrils (CNFs) or mixtures of CNFs and either cellulose nanocrystals (CNCs) or alginate were assessed by determining their viscoelastic properties i.e. complex viscosity and ... -
Viscosity measurements of CO<inf>2</inf>-rich; CO<inf>2</inf> + N<inf>2</inf> and CO<inf>2</inf> + H<inf>2</inf> mixtures in gas or supercritical phase at temperatures between 273 and 473 K and pressures up to 8.7 MPa
(Peer reviewed; Journal article, 2022)New experimental viscosity data of three binary CO2-rich mixtures with approximate mole fractions of 0.93 CO2 + 0.07 H2, 0.80 CO2 + 0.20 H2, and 0.90 CO2 + 0.10 N2 are reported. The measurements were performed at four ... -
Viscosity, Density and Volatility of Binary Mixtures of Imidazole, 2-Methylimidazole, 2,4,5-Trimethylimidazole and 1,2,4,5-Tetramethylimidazole with Water
(Journal article; Peer reviewed, 2019)Experimental measurements and modeling of the density and viscosity of binary solutions of imidazole, 2-methylimidazole, 2,4,5-trimethylimidazole, and 1,2,4,5-tetramethylimidazole with water have been conducted. The ... -
Viscosity, structure and glass formationin the AlCl3-ZnCl2 system
(Dr. ingeniøravhandling, 0809-103X; 2001:36, Doctoral thesis, 2001)Thermodynamic, viscous and structural properties of melts and glasses in the AlCl3-ZnCl2 system have been investigated. The two pure components are fundamentally different in the molten state. Both metal atoms are four ... -
Viscous cosmology - Bulk viscosity in the cosmological context
(Master thesis, 2015)The main objective of this thesis has been to estimate the present value of the bulk viscosity of the cosmic fluid. The following list contains a summary of the main results found in the present work: -The bulk viscosity ... -
Viscous Phenomena and Entropy Production in the Early Universe
(Doctoral theses at NTNU;2017:197, Doctoral thesis, 2017)During the very first fraction of a second after the Big Bang, the Universe were populated by all the particles in the Standard Model of elementary particles: From the massive top quark to the massless photons and gluons. ... -
Visible light-exposed lignin facilitates cellulose solubilization by lytic polysaccharide monooxygenases
(Peer reviewed; Journal article, 2023)Lytic polysaccharide monooxygenases (LPMOs) catalyze oxidative cleavage of crystalline polysaccharides such as cellulose and are crucial for the conversion of plant biomass in Nature and in industrial applications. Sunlight ... -
A vision for safer food contact materials: Public health concerns as drivers for improved testing
(Peer reviewed; Journal article, 2023)Food contact materials (FCMs) and food contact articles are ubiquitous in today’s globalized food system. Chemicals migrate from FCMs into foodstuffs, so called food contact chemicals (FCCs), but current regulatory ... -
Visual Phenotype Matching: Cues to Paternity Are Present in Rhesus Macaque Faces
(Journal article; Peer reviewed, 2013-02-22)The ability to recognize kin and thus behaviourally discriminate between conspecifics based on genetic relatedness is of importance both in acquiring inclusive fitness benefits and to enable optimal inbreeding. In primates, ... -
Visualization of Nuclear Factor Kappa B (NF-κB) Translocation and Quantitative Processing of Confocal Microscopy Images in Synoviocytes
(Master thesis, 2016)Rheumatoid arthritis is a chronic, progressive, inflammatory autoimmune disease that can cause severe joint destruction and disability. There have been major strides in understanding how the inflammatory process leads to ... -
Visualizing Ferroelectric Domain Structures in ErMnO3 and Pb5Ge3O11 by Electron Microscopy
(Master thesis, 2019)Ferroelektriske domenevegger har nylig tiltrukket økende oppmerksomhet som nye kandidater for funksjonelle 2D-systemer. Disse atomskarpe grensesnittene som kan flyttes, opprettes og fjernes med elektriske felt, kan brukes ... -
Vitamin C from Seaweed: A Review Assessing Seaweed as Contributor to Daily Intake
(Peer reviewed; Journal article, 2021)Seaweeds are indiscriminately said to contain significant amounts of vitamin C, but seaweeds are a diverse group, which may limit the ability to generalize. Several studies have been performed on vitamin C in seaweed, and ... -
VLE data and modelling of aqueous N,N-diethylethanolamine (DEEA) solutions
(Journal article; Peer reviewed, 2013-11)This work focuses on N,N-diethylethanolamine (DEEA), a tertiary amine relevant in the phase-change solvents context. Vapour liquid equilibrium data for CO2 loaded aqueous solutions of DEEA are presented. These, along with ... -
VLE data and modelling of aqueous N,N-diethylethanolamine (DEEA) solutions
(Journal article; Peer reviewed, 2013) -
VLE measurement and modelling of absorbents for absorption of CO2
(Master thesis, 2017)Two promising solvents were studied for possible use as absorbents in CO2 post combustion capture. The two solvents tested were 3-(Diethylamino)-1,2-propanediol (DEA-12-PD) and 1-(2-Hydroxyethyl)piperidine (12-HEPP). A ...