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.
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A new method for determining hydrazide group introduced to polymethyl acrylate resin was established.
研究了一种测定聚丙烯酸甲酯上酰肼基团分布的新方法.
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