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) Fourier-transform infrared spectra of PP (i), PP/1% CNF (ii), PP/20% nHA (iii), PP/1% CNF-20% nHA (iv), and nHA (v) specimens. (B) FTIR spectra of these specimens from 450 to 1,650 cm−1.
Abbreviations: PP, polypropylene; CNF, carbon nanofiber; HANR, hydroxyapatite nanorod; FTIR, fourier transform infrared.
