It is applied for leaching of ores or concentrates and for the precipitation of metals or oxides from leach solutions.

它用于矿石或精矿的浸出，以及金属或氧化物从浸出液中沉淀出来。

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Another application of biodegradation enhancement is the recovery of metals from ores and mining tailings with metal levels too low for smelting.

促进生物降解的另一个应用是从矿石或金属含量很低的不能熔炼的矿渣中回收金属。

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Indium is one of Chinas preponderant scattered metals; it is often associated with polymetallic zinc ores and enriched into zinc sulfide concentrates after beneficiation.

铟是我国的一种优势稀散金属资源，常与多金属锌矿伴生，经过选矿后，铟主要富集于硫化锌精矿中。

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However, this increase in expenses will be more than offset by higher realized prices of produced metal ores and metals.

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There are however few economically concentrated ores of the metals and their very similar chemical properties make the separation and isolation of individual REs in pure form difficult and expensive.

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