Figure 7.
(a) PCA scores and PC1 and PC2 eigenvectors and (b) PCA scores and PC1 and PC3 eigenvectors from six “grain boundary-response type” and two “bulk-response type” sensors in humid air with 0 and 300 μg/m3 of indoor air VOC contaminants.
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.