It is shown that the efficient use of some new flotation reagents results in the improvement of beneficiation results and the reduction in production costs.

结果表明，在浮选中使用的几种新药剂是有效的，选矿指标得到提高，成本下降。

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Others say that flotation is not relevant to their businesses, is too time-consuming, brings stringent listing and other criteria, costs too much or would dilute their equity.

ECONOMIST: Europe's small-cap stockmarkets