Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"acoustic spectroscopy"”.
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Ultrafast photo-acoustic spectroscopy of super-cooled liquids
Picosecond laser ultrasonic techniques for acoustic wave generation and detection were adapted to probe longitudinal and transverse acoustic waves in liquids at gigahertz frequencies. The experimental effort was designed for the study of supercooled liquids whose slower relaxation dynamics extend …
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Application of Diagnostic Methods to Assess Ageing Processes in Polymers
… tests, and to study the feasibility of acoustic means to be utilized for future age-monitoring systems. This called for a thorough evaluation of the governing material properties that can be practically used to infer material alteration, i.e., ageing, through systematic ageing-induced …
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High-Frequency Ultrasound Drug Delivery and Cavitation
… the appearance of the subharmonic signal in the acoustic spectrum. Additionally, drug release was found to correlate with increase in subharmonic emission. No evidence of drug release or of the subharmonic signal was detected at 500 kHz. These findings confirmed the role of cavitation in …