Abstract: In view of the unrational consumption of the auxiliary materials in mining and beneficiation production,DEA model is used to evaluate the utilization effect of the auxiliary materials and an application case is given.

• 文摘:针对矿业采矿、选矿作业辅助材料消耗不合理的状况，采用一种DEA模型评价该辅助材料的利用效果，并给出了应用实例。