Pore structures of Al alloy melt foam with different stirringtime of titanium hydride in the Al alloy melt are studied by image analysis method.
用图像分析法研究了氢化钛在铝合金熔体中均匀分散时间对泡沫铝合金熔体孔结构的影响；
2
Stirring rate at the time of ultrafiltration, stirringtime and setting time before the time of ultrafiltration which have a few effect on the removal efficiency of bisphenol A.
超滤前的搅拌时间和静止时间、超滤时的搅拌速度等均对双酚A的截留率有一定的影响。
3
The effects of various factors including grind fineness, sorts of dispersant, slurry concentration, stirringtime on the preparation of refined montmorillonite are emphatically investigated.