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.A new method for determining hydrazide group introduced to polymethyl acrylate ...
这些官员行事十分散漫。The officers were rather slovenly in their methods.他因散漫、无礼而丢了军职。He'd lost his stripes for slovenliness and cheek.这部小说的散漫风格the discursive style of the novel...
芦荟可能对发炎以及轻微的皮肤炎症具有镇痛作用。Aloe may have an analgesic effect on inflammation and minor skin irritations.芦荟用于润肤霜中，使之具有美妙的丝般润滑感。Aloe Vera is used in moisturisers to give them a wonderfully silky texture.含有芦荟和洋甘菊萃取,安抚舒缓皮肤.Plus,...