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- Keywords Tongshan Cooper Mine;scraper trench;segmented open stope;stoping; 铜山硐矿;电耙堑沟;分段空场;回采工艺;
- segmented open stope 分段空场
- Objective To observe the curative effect on treatment of multiple segment open tibial comminuted fracture with limited internal fixation and assembly external frisket. 目的应用有限内固定结合组合外固定架治疗胫骨多段开放性粉碎性骨折,观察其治疗效果。
- Abstract: The cause for blasting toes in open stope of Tiegukeng mine was analyzed, the corresponding modification measures were proposed and the blasting effect of the stope were improved. 文摘:对铁古坑矿露天采场爆破产生根底的原因进行了分析研究,提出了相应的改进措施,使采场爆破效果得到了改善。
- This paper introduced the applocation of the open stope method of blast transport with artificial pillars in the mining of inclined and extra-narrow gold vein, and made an evaluation of that method. 本文论述人工柱爆力运搬空场采矿法在倾斜极薄金矿脉的应用，并对该法进行评价。
- In open stopes the ground above the stope will support its own weight.So the stope is shaped like a series of rooms divided by walls or supported by pillars of ore. 空场回采工作面利用采场上方的岩层支撑自身的重量，所以采场被切割成一系列的由矿壁分隔或用矿柱支撑的峒室。
- backfill mining method of open stope in one time 空场嗣后一次充填采矿法
- sub-level open stope succeed by fill 分段空场嗣后充填法
- Narrow sublevel open stope method 窄分段分采空场法
- The experimental study of sublevel open stoping with tail filling and pre controlling of roof was introduced. 介绍了河东金矿预控顶分段空场尾砂充填采矿法试验研究。
- Datuanshan XI #2 orebody at shizishan copper mine is a deep large size orebody,mined by the sub level open stoping method. 狮子山铜矿大团山XI%232矿体系深部厚大矿体，采用分段空场法开采。
- Therefore,different mining methods including sublevel caving,sublevel open stoping with subsequent filling are tried to solve these problems. 采矿方法从充填法改为分段崩落法、阶段崩落法及分段空场嗣后充填法，使采矿方法不断改进和完善，提高了矿山生产能力和矿石回收率。
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- HU Ji-ping.A case study of modern underground mining methods (IV):sublevel open stoping with draw points on footwall [J].Foreign Metal Mining Magazine,1990(9):40-43. [4]胡际平.;现代地下矿山采矿方法典型实例 (八)--下盘漏斗分段空场采矿法[J]
- She cleaned a small segment of the painting. 她把画儿上的一小部分擦干净了。
- The abdominal segment of an insect. 腹面昆虫的腹部体节
- The company dominates this segment of the market. 这家公司控制了这一部分市场。
- Pea pods burst open when overripe. 豌豆过熟就会爆裂。
- Open tender for purchasing power transformer. 公开招标购买电力运输设备。
- We bivouacked on the open plain. 我们在开阔的原野上露营。
