Figure 4.
The scanning electron microscopy (SEM) image and EDX distribution maps of Si and S for the cross section of SPEKEBI-2.5-SiO2 membrane.
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.