In this paper, a flow-injection system with on-line ion-exchange preconcentration and atomic absorption detection was developed and applied to the determination of tEe amount of lead in natural water.
本文提出了痕量铅的在线流动注射离子交换预浓集火焰原子吸收测定方法，并将其应用于天然水的分析。
The ideal line off the tee is just inside the cart path as the golfer then won't have to carry the water on his second shot.
在发球，只是作为内部高尔夫球车道路的理想路线则不会继续进行他的第二杆下水。
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