Sökning: "phase arrangement"
Visar resultat 1 - 5 av 27 uppsatser innehållade orden phase arrangement.
1. A novel approach for functionalising and separating Tröger's Base Analogues
Master-uppsats, Lunds universitet/Centrum för analys och syntesSammanfattning : Tröger’s Base (TB) is a bicyclic compound containing a methanodiazocine group between two aromatic rings. The methylene bridge forces the molecule to have a bent formation; thus, the aromatic rings are close to 90 degrees relative to each other, resulting in a rigid concave aromatic cavity. LÄS MER
2. Phase and Interface Design in Potential Earth-Abundant Multi-Component Photocatalysts
L3-uppsats, Lunds universitet/Kemiska institutionenSammanfattning : Transition metal phosphides are low-cost, earth-abundant semiconductors with promising properties for photocatalysis, including water-splitting. When combined with other semiconductors or noble metals in nanoparticles, their photocatalytic performance can be drastically enhanced. LÄS MER
3. Micro-CT based finite element models for mechanical strength assessment of glass ceramic scaffolds obtained through the robocasting technique
Master-uppsats, KTH/HållfasthetsläraSammanfattning : In this thesis, micro computed tomography (μ−CT) scans of a bio-glass scaffold produced by the robocasting technique was used to create finite element method (FEM) models with the purpose of determining its mechanical strength. Prior to this, a Matlab script was used to create several simplified geometries of the scaffold in an effort to determine the importance of scaffold design parameters (such as the fiber compenetration between two adjacent printing planes) on the strength of the scaffold. LÄS MER
4. Undersökande boksamtal kombinerat med kemiexperiment iförskolan : En kvalitativ studie om pedagogers upplevelser om ett arbetssätt med undersökande boksamtal kombinerat med experiment
Uppsats för yrkesexamina på avancerad nivå, Karlstads universitetSammanfattning : The purpose of this study is to contribute to the knowledge of educators’ experiences of a teaching approach concerning investigative discussions of literature combined with experiments in order to support children’s learning about the phase transformation of water. The study contains a theoretical framework based on variation theory. LÄS MER
5. Modelling of air-gap harmonic torques and its impact on vibrations in electric drivetrains : Modelling interaction between electromagnetics and vibration of an electrical machine
Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)Sammanfattning : In this report, the effect of external torque injection of a particular phase and frequency was analyzed using an induction motor assembly consisting of a prototype of an induction motor and a flexible mounting arrangement. The eigenfrequencies of the several components that make up the construction of the induction machine assembly are found out both by analytical and FEM methods. LÄS MER