Preparation of salicylic hydrazide . Controlling material mole ratio and the product recrystallization is the key.水杨 酰肼的制备控制原料的摩尔比、产物的重结晶是关键....the degradation of salicylic acid in plants.植物中水杨酸的降解Topical ointments and c...
他的工作服已经被油浸透，该洗洗了。His work clothes, having become saturated with oil, had to be cleaned.搬运工把我们那些被雨水浸透的脏兮兮的行李放上了手推车。The porter put our scruffy rain-sodden luggage on a trolley.蔬菜应保持一定的硬挺度，不应潮乎乎的浸透了水。Vegetables should retai...