ore block的例句大全

Research on Mining Blasting Parameters of Deep Ore Block in Anqing Copper Mine

安庆铜矿深部矿段采矿爆破参数的研究

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Basic Features of Groundwater Flow in the Anba Ore Block in the Yangshan Au Ore Belt

甘肃阳山金矿带安坝矿段地下水流的基本特征

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by use of the similarity theory, the above parameters are obtained as the basis for the blasting-holes parameter design of ore block by adopting vcr method.

最后根据相似理论，计算得到了VCR法大直径球状药包落矿时的临界埋深、应变能系数、最佳埋深等爆破参数，为VCR法试验矿块孔网参数设计提供了依据。

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The Cause and Solving Measure of Produced Root Bottom and Big Ore Block in Expose Step Deep Hole Blasting

露天台阶深孔爆破根底和大块的成因及解决措施

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on the batching of fire assay of gold-containing rich ore block

含金富矿块火试金法配料的探讨

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It is found that the ore block caving can be predicted accurately.

结果表明：该模型能较好地预测矿体的崩落；

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Ore-Draw theory and application for block caving system

阶段自然崩落法放矿理论研究与应用

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The system is suitable for ore-drawing management of high level and large drawing area of block caving system.

该系统适合于大规模、高阶段矿块崩落法放矿生产管理。

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A study on ore drawing and computer-based production scheduling in block caving method

自然崩落法放矿与计算机排产方法的探讨

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Discussion on scraper ore drawing bottom structure in block caving

自然崩落法铲运机出矿底部结构的探讨

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All the methods are based on economic block model of ore body built according to geological statistics theory.

这些计算机优化方法都是在应用地质统计学方法建立的矿床块段模型基础上实现的。

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In addition to the partial lean ore, the en-block rock strength is higher. But the rock will be softened encountering with water, which results in the expansion of internal stress and the intensity decline.

该矿区除部分贫矿岩外，单块岩石强度均较高，但矿岩遇水将会软化，内部产生膨胀应力，造成强度降低，在支护工程中要特别注意。

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Test of continuous mechanized ore-drawing technology in block forced caving system for thick asbestos ore body

石棉厚矿体阶段强制崩落连续机械化出矿工艺的试验

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The corners and margins of tectonic block favorable location for ore deposits, based on theory of plate and shell mechanics

地块角区及边缘带有利成矿的板壳力学解释

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Caving properties and law of ore in block caving

自然崩落法矿岩崩落特性及崩落规律

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