In such a situation, mass fraction probability density function model is an appropriate method to approach the reaction phenomena.
在这样情况，许多分数可能性密度函数模型是接近反应现象的一个适当的方法。
2
Adopting appropriate catalyst and controlling ethylene mass fraction at 7% can endow the resin with excellent impact resistance.
选择合适的催化剂及控制乙烯质量分数为7%，可使树脂获得良好的抗冲击性能。
3
The results show that the polarization and piezoelectric properties of 0-3 composites can effectively increase with an appropriate volume fraction of PANI.