药效 meaning in Chinese

pesticide effect

The effects of the drug began to wear off .
药效开始逐渐消失了。
The rate of absorption following subcutaneous injection of a drug is often sufficiently constant and slow to provide a sustained effect .
药物经皮下注射后吸收率均匀而缓慢，药效持久。
Experiments on the control of rice sheath blight disease
防治水稻纹枯病药效试验
Study on pharmacodynamics of jingwei changping capsule
净胃肠平胶囊的药效学研究
Studies on effects of xuedan on the experimental gastric ulcer
木香的药效学研究

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