微细粉 meaning in English

micropowder

Preparation of ultra - fine powder for co - mn - ni thermistor ceramics by liquid - phase method
热敏电阻超微细粉体的液相法制备
The results showed that the ultromicro - pulverization method could not only keep natural ingredients of hljds , but also improved the dissolubility of geniposide and berberine , meanwhile compared to the conventional fine powder , their content increased by 26 . 26 % and 37 . 07 % respectively with the method of ultrasonic wave extraction
结果表明，超微粉碎未改变黄连解毒散固有的药效学成分，可增加栀子苷和小檗碱的溶出量，在超声提取下超微细粉中栀子苷和小檗碱含量分别比细粉提高26 . 26 %和37 . 07 % 。