The ecological criteria for Cd, Cu, Pb and As are established in this paper.
在此基础上制定的土壤标准,将能更好地保护土壤环境。
With the determination of trace Au in ore and the determination of Pb and As in water as examples, the application effectiveness of MFAAT was discussed in detail.
以矿石及其加工产品中微量金的测定和水中铅与砷的测定为例,详细地讨论了微量火焰原子吸收技术的应用效果。
“I would have loved it just as much if it was a PB and J sandwich , ” she says.
她说:“就算只有涂上花生酱或者果酱的三明治,我也一样喜欢 。”
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