The results indicate that the series column possesses of high separation efficiency and long columnlife. The error in quantitative analysis was less than 4%.
结果表明串联柱具有寿命长和分离效率高的特点，定量分析误差小于4％。
2
In this column, I've compiled 10 must-have apps that will save you time, make your life easier and make you smile.
在这个专栏里，我会选出10款必用软件，这会节省你的时间，让你的生活更简单，也会让你高兴起来。
3
Three formaldehyde-filled jars tell a tale of diminishing life in a water column about 90 miles north of the well.