In drug directions what of the following are usually used to indicate“药理作用”()
A. pharmacological actions
B. pharmacological properties
C. physical and chemical properties
D. action and properties
E. pharmacology
设备的状态标志通常有
A. 运行中
B. 维修中和待维修
C. 小修、中修和大修
D. 停用
E. 已清洗和待清洗
In the thin--layer chromatographic method,the prescribed volumes of the sampling solution is applied.What forms of the sampling solution are made()
A. circular spot
B. polygonal spot
C. star spot
D. bands
E. triangle
需要制定清洁规程的范围主要包括
A. 设备、器具、容器、运输工具
B. 墙面、天花板、地面、台面、门窗
C. 管道、风道、过滤器
D. 水系统
E. 卫生间、下水道、地漏