表 1. Determination of basic parameters of foam hardener.
泡沫硬化剂基本参数测定
| （P-188+鱼肝油 酸钠）浓度 |
表面张力/ （mN·m−1） |
密度/ （mg·mL−1） |
| 0% | 1.50 | 50 |
| 4% | 1.54 | 52 |
| 8% | 1.58 | 54 |
| 12% | 1.56 | 58 |
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.