蜂胶除铅工艺的研究进展_电子资料文库 关键词:蜂胶;铅;除铅 [gap=481]Key words:propolis;lead;lead removal
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...键词: 铅污染；水；土壤；原子吸收光谱法；除铅 [gap=505]Key words：The lead pollution; water; soil ; spectrometry; de-lead ...
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它的射线可以穿透除铅以外的所有其它矿物质。
本文在介绍了杂铜含铅概况，以及目前国内除铅工艺现状。
This paper introduces the general situation of Waste Copper polluted by lead and the current domestic method for clearing out lead from Waste Copper by Fire-refining.
简述了蜂胶除铅的重要性、蜂胶中铅的来源和降低蜂胶铅含量的方法。
The importance of lead removal of propolis, the sources of lead in propolis and the solutions to reduce lead content in propolis were introduced.
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