论述了粗钯精炼提纯的方法,利用本方法可获得品位为99.99%的海绵钯。
The paper expounds the way of refining raw palladium. Through the way, 99.99 % spongy palladium can be obtained.
本文介绍了溶剂萃取、离子交换、电解精炼和区域熔炼等冶金提纯方法在高纯铁制备过程中的应用。
The methods of preparing high purity iron include solvent extraction, ion exchange, electrolytic refining, zone melting, and so on.
我们已经忘了,水可以洗濯洁净,火可以精炼提纯,大地是每个人的母亲。
We have forgotten that Water can cleanse, and Fire purify, and that the Earth is mother to us all.
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