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 influence of other factors on the red shift of CDs. The CDs exhibit a red shift unrelated to excitation and a red shift of CDs commonly related to the surrounding environment such as pH value, polarity, molecules, or specific ions.