该本协议的金属报价是根据精炼铅铅品位按照当前常用的计价方法来计价的。

The metal price quotations specified under this contract are the quotations currently in general use for the pricing of the Lead metal content of Lead concentrates.

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对影响电解银的工艺因素进行了分析，并对高杂质铅阳级泥采用火法冶炼和电解精炼相结合的方法进行处理。

The factors of effect on the techniques of the electrolytic silver were analyzed. The lead 'anode mud were treated with the fire metallurgy and electrolytic refining.

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镍电解液中除微量铅、锌是镍精炼过程的一个重要步骤。

Removing trace lead and zinc from nickel electrolyte is an important step in the process of nickel refinery.

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