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“七五”科技攻关属于国家指令性计划,分三个层次即:项目——课题——专题,以主管部门为甲方,负责单位为乙方,采用攻关合同的形式下达给各科研设计、企事业单位。 “胶磷矿技术开发”是“七五”攻关项目,其中,“胶磷矿采选技术”是项目中的两个课题之一。该课题经过论证,分解为16个专题,按专业性质分属地质、采矿、选矿工艺、选矿药剂、选矿设备、运输、环保、规划等8个方面。主攻方向是“七五”、“八五”计划期间规划建设一批大型磷矿急待解决的关键技术问题。
The “Seventh Five-Year” scientific and technological research belongs to the state mandatory plan, which is divided into three levels: project-project-project, the competent department is Party A and the responsible unit is Party B, which is assigned to each scientific research design in the form of research contract Institution. “Phosphate rock technology development” is the “Seventh Five-Year” research project, of which, “Phosphate Rock mining technology” is one of the two topics in the project. The subject is demonstrated, broken down into 16 topics, according to the professional nature of geology, mining, beneficiation process, dressing pharmaceutical, mineral processing equipment, transportation, environmental protection, planning and other eight aspects. The main direction of attack is the key technical issue to be solved urgently for the planning and construction of a number of large-scale phosphate mines during the “Seventh Five-Year Plan” and the “Eighth Five-Year Plan”.