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.
(a) Photographs of the film: (1) pure PVA, (2) 1 wt. % film, (3) 5 wt. % film, (4)10 wt. % film; (b) Transmission spectra of the composite films with various hemp hurd additions in this study and TiO2/PVA film reproduced from Liu et al. [42].
