方法: 用浑浊法测定体系的分层曲线,自动电位滴定仪测定平衡两相中醋酸的含量,通过绘制出的三元相图,筛选萃取剂.Methods: Using the turbidity method and analyzing the acetic acid concentration of both phases at equilibrium....
股票价格和交易因人们对战争的忧虑而走低。Share prices and trading have been dulled by worries over the war.我们的治疗师会教你如何消除心中的忧虑。Our therapists will show you how to clear your mind of worries.许多社论对该国经济的混乱状况表示忧虑。Many editorials express their anx...
He dismissed my argument contemptuously as not worth refuting.他把我的论证轻蔑地一笔抹杀,认为不值一驳.Give the masses a free hand in refuting the Rightists'big - character posters .大字报 必须要让群众反驳.Enclosed are two articles refuting Yu Pi...