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.
Peak-to-peak acoustic pressure measured at the hydrophone as a function of the duty cycle for the 10-mm transducer (Sonitron 1000) with Sonitron intensity dial settings between 0.5–2.0 W/cm2. The hydrophone was positioned at the focus (10 mm from the transducer).
