The median pore diameter depended on the size of porogen particle.
致孔剂的颗粒大小只影响多孔支架的孔径；
2
At the mean time, D fertilizer particle microcapsules were made with higher content of K but median content of N to meet the demands of tobacco plant at middle and later stage and promote maturity.
同时，为满足烟株中后期的养分需求及促进成熟落黄，制作重钾适氮的缓释肥包膜D粒子。
3
When the purity of potassium sulfate crystal is lower and the content of the potassium phosphogypsum is higher, the median diameter of crystal particle and the density of suspension are higher.