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为了满足齐大山选矿厂不同选矿工艺对块矿、粉矿的要求,鞍钢齐大山铁矿与鞍山钢铁学院合作,对齐大山铁矿矿石爆破粒度的测定与控制进行了研究,于1991年3月22日至23日在鞍山钢铁学院通过了冶金部矿山司主持的技术鉴定。鉴定委员会经过认真讨论,对比国内外的研究历史和现状,对该项成果提出的鉴定意见
In order to meet the requirements of different dressing process of Qida Mountain Concentrator for lump ore, fines, Anshan Iron and Steel Qidashan Iron and Iron Institute and Anshan Iron and Steel Institute, alignment Dashan iron ore ore blasting particle size determination and control were studied in 1991 March 22 Day to 23 in Anshan Iron and Steel Institute adopted the Ministry of Metallurgical Mining Division presided over the technical appraisal. Accreditation Committee after careful discussion, comparing the history and current status of research at home and abroad, the results of the appraisal opinion