颗粒剂的粒径检查要求不能过一号筛和能过()号筛的颗粒重量不得超过颗粒总重的15%。
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In a two-stroke engine, the piston consists of a lower part, which is named as and usually
A. low-half, cast iron; top-half, heat-resistant steel
B. low-half, aluminum; top-half, stainless steel
C. piston skirt; cast iron; piston crown; heat-resistant steel
D. piston skirt; aluminum; piston crown; stainless steel
以水作溶剂,将药材加热煮沸一定时间,以提取其所含成分的提取方法被称为()法。
生产片剂制颗粒时,剂量小的贵重药的处理方法是()。