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.
一伙暴徒捣毁了警察设置的路障冲进法庭。An unruly mob broke down police barricades and stormed the courtroom.暴徒用一堆堆燃烧的轮胎在大街上筑起了路障。The rioters barricaded streets with piles of blazing tyres.暴徒开始用棍棒猛打他的肩、头和胳膊。Men began to belabour his shoulder...