Figure 7.
Bright-field (a) and dark-field (b) images of quartz embedded in soot emissions from coal combustion. Insertion in (b) shows the SAED pattern of quartz from an area of 1 μm.
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.