印染废水的处理和硫化矿物的湿法冶金是两个具有实用价值的研究课题。

Treating printing and dyeing wastewater and hydrometallurgy of sulphide mineral are two important tasks with practical value.

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在矿业学校的早期阶段，同样的老师讲授采矿和冶金学科，有时还要讲地质学和矿物学。

In the early years of the schools of mines, teaching of mining and metallurgy, and sometimes geology and mineralogy were taught by the same professor.

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文章通过对包钢生产烧结矿质量检测数据的统计分析，研究了包钢烧结矿的化学成分和矿物组成对其冶金性能的影响，提出了包钢烧结矿质量指标的适宜范围。

Based on the testing data of the quality of sinter, the influences of chemical composition and mineral composition on metallurgical properties of the sinter are investigated.

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