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.
Pressure (a) and velocity (b) curves with points indicating the time intervals used for calculating the process fingerprints candidates. The position of the points was determined by tracking changes of the slope using the first-order derivative value.
