Figure 6.
(a) Increase in capacitance of the face mask sensor with the increase in relative humidity at 100 kHz (mean values and error bars for three times repeated measurement); (b) results of linear regression analysis.
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.