办事处

When proposed method was used to determine Hg in water by separating and enriching of sulphydryl cotton, satisfactory results were obtai.

新建方法通过巯基棉分离富集汞，用于环境水样中痕量汞的测定，相对标准偏差为2.1％～4.7％，样品加标回收率为99.3％～101.2％，结果满意。

The most important thing that I have bought is the alarm clock.

今天我认为我买的最重要的东西就是这个闹钟。