Sökning: "snabb"
Visar resultat 1 - 5 av 384 avhandlingar innehållade ordet snabb.
1. Diffusa spänningar eller spännande tillväxt? : Företagsledning i tider av snabb förändring
Sammanfattning : Ibland påstås snabba förändringar i omvärlden utmana storföretagens överlevnad mer än någonsin tidigare. I studien undersöks hur stora teknikbaserade företag förnyas genom utveckling av nya affärsområden. LÄS MER
2. High Rate Electron Capture Dissociation Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
Sammanfattning : Advances in science and technology during the past decade have greatly enhanced the level of the structural investigation of macromolecules – peptides and proteins. Biological mass spectrometry has become one of the most precise and sensitive techniques in peptide and protein analysis. LÄS MER
3. Leveraging Intermediate Representations for High-Performance Portable Discrete Fourier Transform Frameworks : with Application to Molecular Dynamics
Sammanfattning : The Discrete Fourier Transform (DFT) and its improved formulations, the Fast Fourier Transforms (FFTs), are vital for scientists and engineers in a range of domains from signal processing to the solution of partial differential equations. A growing trend in Scientific Computing is heterogeneous computing, where accelerators are used instead or together with CPUs. LÄS MER
4. Inverse Problems in Tomography and Fast Methods for Singular Convolutions
Sammanfattning : There are two, partially interlaced, themes treated in this thesis; inverse problems of tomographic type and fast and accurate methods for the application of convolution operators. Regarding the first theme, the inverse problem of Doppler tomography is considered and the Doppler moment transform is introduced for that purpose. LÄS MER
5. Study and Development of Techniques to Improve Engine Stability and Reduce Emissions from Natural Gas Engines
Sammanfattning : The objective of this thesis was to find ways to improve combustion and reduce emissions from supercharged natural gas engines. In-cylinder flow measurements were made with laser doppler velocimetry, LDV, heat release was calculated from cylinder pressures and emissions were measured at various locations. LÄS MER