ore losses meaning in English

矿石损失

Study on ore loss and dilution in pillarless sublevel caving based on sls system
系统的无底柱崩落法矿石损失贫化的研究
Ore spotting and pit supervision , to minimize ore loss and dilution
测定矿石点位，监督矿坑工作，将矿石损失和贫化降低到最小程度。
In this paper , quantitative estimation of ore loss and dilution resulting fromblock estimation errors was discussed , the computer program was developed , a examplecalculations using this computer program for a copper orebody was made
给出了由块段估计误差引起的矿石损失和贫化的量化估计方法，开发编制了计算机程序，并以实例说明其具体应用。