讨论了钒钛磁铁矿提纯度的计算方法，可采用提纯度指标对选矿的选别效果进行正确的评价。
The calculation of purity for V Ti bearing magnetite is discussed, and the purity index can be used to evaluate dressing result.
由于产品粒度结构的改善，使反浮选选别效果大大提高，金属回收率从原有的68.65%提高到74.07%。
Due to the improvement of the structure of product particle size, the result of reverse flotation was greatly improved, with the metal recovery increasing from 68. 65% to 74. 07%.
但别放乱七八糟的东西——沾有巧克力污渍的情信似乎不会达到你预期的效果。
Don't put anything too messy in however - a letter obscured by chocolate stains is unlikely to have the kind of impact you were hoping for.
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