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In balanced anesthesia, sevoflurane and propofol are often used in combination to achieve a better anesthetic effect. However, methods for on-line monitoring of concentrations of the two anesthetics in patients are still rare in clinical. This study proposed a non-invasive method utilizing a fast gas chromatograph combined with a surface acoustic wave sensor (Fast GC-SAW) to simultaneously on-line...
Sevoflurane and propofol are often used in combination to achieve a better anesthetic effect in balanced anesthesia. However, methods for on-line monitoring drug concentrations of the two anesthetics in patients are still scarce in clinic. This study proposed a non-invasive method utilizing a fast gas chromatograph (Fast GC) combined with a surface acoustic wave (SAW) sensor to simultaneously on-line...
This paper describes a novel approach to extract dispersive coupling-of-modes (COM) parameters for simulating low-loss surface acoustic wave (SAW) devices. A finite periodic grating is in consideration. Using finite FEM/BEM tool, the field (mechanical displacements and electric potential) distributions could be calculated at every frequency. Then the field contributed by SAW should be separated from...
In this paper, we incorporate two thermal models with periodic FEM/BEM to analyze the temperature-frequency behavior of SAW under periodic IDT. One is the classical model based on Campbell's theory, which has been widely used. We find that this model fails to predict temperature-frequency behavior of SAW for some cases, although we can get accurate results for many cases of some cuts and modes by...
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