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....
32 megabytes of RAM32兆的内存The program takes up 2.5 megabytes of disk space.这个程序占用 2.5 兆的磁盘空间。A single CD-ROM can hold more than 500 megabytes of data.一张只读存储光盘能容纳500兆以上的数据。A single CD-ROM can hold more than 500 megabytes o...
I wonder he should be so improvident in a point of such common, such natural , concern!我不相信他对于这样平平常常 、 屡见不鲜的利害关系如此缺乏先见之明!Her improvident speech at the meeting has set a stone rolling.她在会上的发言缺乏远见,已产生严重后果.You will pay for ...