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国家自然科学基金委员会批准资助,由昆明工学院选矿教研室段希祥副教授承担的“选择性磨碎机理研究”课题于1989年12月19日在昆明工学院通过专家鉴定。矿石在磨矿过程中,普遍存在着选择性磨碎现象,尤其当入磨矿石中的各种矿物机
Approved by the National Natural Science Foundation of China, Kunming Institute of Technology Department of Dressing Professor Duan Xixiang associate professor of “selective grinding mechanism research” project on December 19, 1989 in Kunming Institute of Technology through expert identification. Ore in the grinding process, the widespread phenomenon of selective grinding, especially when the mineral grinding machine into a variety of mineral