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.
Fitting of Qu release data from Qu-PMs into various mechanism models
| Model | Equation | R 2 |
|---|---|---|
| Zero-order | y = 0.246 t + 8.291 | 0.8766 |
| First-order | ln(1 - y) = 0.004 t - 16.129 | 0.9311 |
| Higuchi | y = 4.018 t1/2 - 0.081 | 0.9894 |
y, accumulative release percentage; t, sampling time; R, correlation coefficient.
