Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Representation of an example of how the empirical phase speed was extracted from single frequency SCL image. (a) A cropped region from a 40 kHz SCL standing wave obtained from the sonoreactor. (b) A normalised luminosity plot in which the distance between peaks (bright bands) was measured using the image processing software ImageJ.
