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- shallow hole ore mining method 浅孔留矿采矿法
- STUDY ON MINING METHOD OF BEIMINGHE ORE MINE 北铭河铁矿采矿方法研究
- According to the occurrence morphology of orebody,three better mining methods are given as follows:combined method of mining shallow hole and moderate longhole; 根据矿体赋存状态提出了3个改进方案:浅孔采矿与中深孔联合采矿;
- Practice shows that shallow hole shrinkage stoping method greatly decreased mining workload,lessened mining time,and increased mining efficiency. 实践证明,改进后大大减少了采切工程量,缩短了施工时间,提高了生产效率,为同类矿山提供了经验。
- When a slot is cut in middle length hole post and stall method with hard ore,it is often used to cut raise or to cut raise and entry. However cutting raise often uses the method of shallow hole. 坚硬矿石内中深孔房柱法切割立槽的开掘,通常使用切割天井拉槽法或切割天井与切割平巷联合拉槽法。
- PILOT STUDY ON SUBLEVEL CAVING AND OFF-LOAD MINING METHOD IN THE SOUTH AREA OF XISHIMEN IRON ORE MINE 西石门铁矿南区崩落卸载采矿法试验研究
- Incremental Shu-ping from ore mining and Kaiyuan. 增量来自于平舒矿和开元矿。
- SPECIALIST SYSTEM FOR MINING METHODS DETERMINATION AND ITS APPLICATION TO DONGGUASHAN COPPER ORE MINE 采矿方法选择专家系统及其在冬瓜山铜矿的应用
- The mining method, processing technology, transportation, etc, will also improve some now seems rock limestone will become the ore. 其开采方法、加工技术、运输条件等亦将得到改善,一些现在看来是岩石的石灰岩将会变成矿石。
- When I die, I plan to be place an nature in a shallow hole and become fertilizer for a dogwood tree. 我计划死后裸身埋在一个浅浅的坑里,变成一株山茱萸的肥料。
- This method can improve the ore extraction rate and reduce the ore dilution rate and has been found to be a rational mining method for the mine. 该方法提高了矿石的回采率,降低了矿石的贫化率,为矿山寻找出一条合理的开采方法。
- A small mountain spring ran tinkling down the narrow stone crevices.Many years passed.An egg-sized shallow hole was washed out on the rock. 一股细细的山泉沿着窄窄的石缝叮叮咚咚往下流淌,也不知道过了多少年,竟然在岩石上冲刷出一个鸡蛋大小的浅坑。
- Brought up the new path for safety and validity to use mid deep hole mine method in Fushun Hongtoushan Copper Mine. 为红透山铜矿中深孔采矿方法的安全、高效使用提出了新的途径。
- A ****all mountain spring ran tinkling down the narrow stone crevices.Many years passed.An egg-sized shallow hole was washed out on the rock. 一股细细的山泉沿着窄窄的石缝叮叮咚咚往下流淌,也不知道过了多少年,竟然在岩石上冲刷出一个鸡蛋大小的浅坑。
- Lanjian Iron Ore Mine is the biggest open-pit mine in southwestern China. 攀钢兰尖铁矿是西南的特大型露天铁矿,经过30多年的生产,目前采场已进入深凹露天开采。
- Our company has two mines are tungsten and molybdenum ore mine. 我们公司有两个矿山分别是钼矿和钨矿。
- Discussion on the Mining Method of Jilongshan Mineral Industry Co., Ltd. 鸡笼山矿业有限公司采矿方法探讨。
- Pretoria for the mining city for the suburbs of diamond, platinum, gold, tin, iron, chrome, coal, ore mining center. 比勒陀利亚为矿业城市,近郊为金刚石、白金、黄金、锡、铁、铬、煤等矿的开采中心。
- Focus on Shandong Jinling Iron Ore Mine area, Pingdu gold mining areas, such as jujube Tao coal mining area. 重点矿区为山东金岭铁矿区、平度金矿区、枣陶煤矿区等。
- A new process mining method was presented based on Markov transition matrix. 提出了一种基于马尔可夫转移矩阵的过程挖掘方法。