一九八六年十一月二日至五日在郑州矿产综合利用研究所召开了地质矿产部选冶试验研究工作会议。这次会议的中心议题是:总结交流地矿部“六五”期间选冶试验研究工作经验,讨论明确“七五”期间选冶试验研究工作的方向和任务。地矿部科技司副司长杨汝学同志作了题为“总结经验,明确任务,更好地为地质找矿和经济建设服务”的工作报告;地矿 From November 2 to November 5, 1986, the Institute of Minerals Comprehensive Utilization held a working meeting on the metallurgical test of the Ministry of Geology and Mineral Resources. The central issue of this meeting is: to summarize the exchange of experience in the Metallurgical Test and Research Institute of the Ministry of Geology and Minerals during the “65” period and to discuss the direction and tasks for clarifying the “Metallurgical Experiment” during the “75” period. Comrade Yang Ruxue, deputy director of the Department of Science and Technology of the Ministry of Geology and Mineral Resources made a report titled “Summarizing Experience, Defining Tasks, and Serving Geological Prospecting and Economic Construction Better”;