For iron ore, the yield of coarsefraction was obviously reduced after irradiation.
铁矿石则表现为辐照后粗粒级产率明显降低。
2
Tailings grading, coarsefraction regrinding and reconcentration, fine fraction reconcentration technique is determined.
经过试验研究，确定了对尾矿分级粗粒级进行再磨再选、细粒级再选综合回收工艺。
3
The compression property test method of coarsefraction hand sorting waste rock, smelter slag and their mixed filling materials had been introduced in this paper.