remark : the spherical particle pass rate is only applicable for spherical fine pore silica gel.
注:球形颗粒合格率指标仅适用于细孔球形合格率。
in wastewater treatment, comprehending the factors affecting the aeration efficiency of fine pore aeration system is a complex but important issue.
对污水处理中微孔曝气充氧性能影响因素的研究是一个复杂而又重要的问题。
three types of different pore, large pore coarse throat structure, intermediate pore medium throat structure and fine pore fine throat structure, are divided.