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Inovace žebroví kytary Dreadnought / The dreadnought rib guitar innovationHoffman, Pavel January 2021 (has links)
This diploma thesis deals with the spectrum analysis, frequency characteristics, Chladni figures and simulation of modal and harmonic analysis of an acoustic guitar in ANSYS program interface. In the acoustic guitar analysis, various details that can influence the instrument spectrum are discussed. Especially on its performance over time, the number of generated harmonic components and their performance. Then the guitar bracing innovation of the dreadnought guitar was created from the measured, simulated and calculated data. Four acoustic guitars with the innovation were then made. These innovated instruments were further analyzed and compared with the acoustic guitar before the innovation and with a competitor’s guitar. Furthermore, the thesis describes parts of an acoustic guitar, wood properties, theoretical background and measurement methods.
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Wood Quality, Carbon and Nitrogen Partitioning, and Gene Expression Profiling in <i>Populus</i> Exposed to Free Air CO<sub>2</sub> Enrichment (FACE) and N-fertilization / Auswirkungen von CO<sub>2</sub>-angereicherter Luft im Freiland (FACE) und zusätzlicher Stickstoffdüngung auf die Holzqualität, Kohlenstoff- und Stickstoffverteilung, sowiedie Genexpression bei PappelnLuo, Zhibin 19 December 2005 (has links)
No description available.
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