礦石損失 的英文怎麼說
中文拼音 [kuàngdànsǔnshī]
礦石損失
英文
ore losses-
Study on ore loss and dilution in pillarless sublevel caving based on sls system
系統的無底柱崩落法礦石損失貧化的研究Ore spotting and pit supervision, to minimize ore loss and dilution
測定礦石點位，監督礦坑工作，將礦石損失和貧化降低到最小程度。Because the ore has been mined for long time, the nature geological environment has been getting worse and worse, such as the baldness of mountain body, the rock is weathered to pieces, a lot of loose material distributing along the gully and its banks, the disaster of debris flow is seriowsly, and the production of the mine is constrained by debris flow disaster ; for example, a debris flow broke out on august 1999 and resulted in catastrophic hazards to the jingtieshan iron mine, resulted in a huge economic losses of 50 million yuan
鏡鐵山礦是酒鋼最主要的鐵礦石生產基地，礦區山高溝深，地質構造復雜，自然地質環境較差，在長期人為開采活動的影響下，地質自然環境進一步惡化，山體裸露，巖層破碎，大量鬆散固體物質堆積在溝道及溝道兩側，泥石流災害十分嚴重，嚴重製約了礦山的生產與發展。 1999年8月礦區黑溝南溝暴發生了嚴重的泥石流災害，致使礦山停產10多天，造成5000多萬元的經濟損失。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
給出了由塊段估計誤差引起的礦石損失和貧化的量化估計方法，開發編制了計算機程序，並以實例說明其具體應用。Analysis of aluminium ores - chemical methods - method for determination of loss of mass at 1075 c : gravimetric method
鋁礦石分析.化學方法. 1075下的質量損失的測定方法:重力分析法分享友人