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.
Time-dependence measurements: (A) NH3 desorption of pure proton form; (B) SCR-like conditions of the pure proton form; (C) NH3 desorption of the Fe-loaded form; (D) SCR-like conditions of the Fe-loaded form. The open symbols in the graph represent the measurement data, while the data fits are shown by the solid lines.
