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.
Red and yellow colors correspond to different types of surface sites, and green and orange correspond to different types of DHP segments. In the first three frames, the chain is in the wrong region of the surface. In the last three frames, the chain is strongly adsorbed in the statistically pattern-matched region.
