论文部分内容阅读
由中国矿大研究生部、北京市煤炭学会共同举办的“首届全国放顶煤开采理论与实践研讨会”于1990年12月在京召开,与会人员有能源部、中国统配煤矿总公司的领导,有生产、科研、设计、院校的工程技术人员及专家教授200余人。这次会议是80年代初我国进行放顶煤开采以来规模较大、涉及面最广的一次学术会。参加会议的代表对放顶煤适应条件、架型选择、运输设备、煤炭回收率进行了热烈的讨论,特别是
The “First National Symposium on Theory and Practice of Top Caving Coal Mining” co-sponsored by the Graduate School of China University of Mining and Technology and the Beijing Municipal Coal Society was held in Beijing in December 1990 with the participation of the Ministry of Energy, the leadership of China General Coal Mine Corporation, A production, research, design, institutions of engineering and technical personnel and more than 200 experts and professors. This conference was a large-scale academic conference covering the largest scale in China since the beginning of the 80’s. Delegates attending the meeting held a lively discussion on the conditions for adapting caving coal, rack type selection, transportation equipment and coal recovery rate, especially