ore block meaning in English
矿段
矿块
Examples
- Mechanics study and achievement of the mining of xishan ore block of shizishan copper mine
狮子山铜矿西山矿段矿体开采岩石力学研究及其成果 - Ground behaviour occured in mining of maluping ore block by new room - pillar with bolting in kaiyang phosphate mine are analyzed and control measures of ground pressure are put forward
对开阳磷矿马路坪矿段延伸开采工程中采用新型锚杆护顶房柱法出现的地压显现问题进行了详细的分析，并提出了地压控制措施。 - Based on geochemical technical tests conducted in the yanzidong ore block , western yunnan , the authors used the hydrochemical survey as the grade 3 inspection method for high canyon target areas , and rearranged the methods for routine stream sediment survey and soil survey
摘要根据在滇西燕子洞矿段的化探方法技术试验研究结果，将水化学测量作为高山峡谷区靶区三级查证的方法，并对常规水系沉积物测量、土壤测量的工作方法进行了调整。 - The destruction resistant properties of several standard test ore pieces and natural ore blocks of various sizes were measured . the results show that the compression strength of natural ore is far less than that of standard test pieces and has the tendency of increase with the decrease of the size , which suggests that it is unrational to use the compression strength of standard test pieces to represent the destructive strength of rock ore in calculating the ball size for the coarse grinding of metal ores
测定了多种矿石标准试件及不同粒度自然矿块的抗破坏性能，表明自然矿块的抗压强度远小于标准试件，且具有随粒度减小而增大的趋势，也说明金属矿粗磨机球径计算中采用标准试件抗压强度代表岩矿破坏性能是不合理的。 - With computer imitation and laboratory physical analog as the lead and on the basis of test ore blocks and industrial blownoff - ore rock tests , study on the enlarged - structure parameters of sublevel caving in meishan iron mine was carried out , which included single tests of drilling and blasting parameters ， transition sublevels and equipment complementation . the timely popularization of this enlarging structural parameter technique has greatly improved the performances of the sublevel caving mining and promoted the technological advance of underground mining
梅山铁矿加大无底柱分段崩落法采矿结构参数研究，采用计算机仿真、实验室物理模拟为先导，试验矿块、工业放出体试验为基础，分别进行了采场凿岩爆破参数、过渡分段、设备配套等单项试验，并在全矿及时进行了推广应用，极大地改善了矿石开采过程中的各项指标，促进了地下矿山开采的技术进步。