An official website of the United States government
Here's how you know
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.
The pulsed-field gradient stimulated-echo NMR pulse sequence. The oscillatory shaped radiofrequency pulses rotate the magnetization by 90 degrees. The rectangular pulsed-field gradients encode the displacement of spins.