https://www.selleckchem.com/pr....oducts/4-phenylbutyr
Our findings can be used to develop a portable, efficient, user-friendly, and inexpensive device for in-field joint inspections.This study involved playing and listening (using recorded sounds) experiments to investigate how changes in soundpost length (for a fixed soundpost position) affect the perceptual qualities of the violin and what the threshold of change is below which players and luthiers do not perceive differences. A length-adjustable carbon fiber soundpost was employed. During the playing experiment, subj