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- Blasthole deflection is an severe adverse factor when mining is carried out using large diameter long hole blasting . 在大直径深孔采矿中 ,炮孔偏斜是非常不利的因素。
- In this paper, designing and processing technique of a detonating cord of low initial capacity are presented. The detonating cord can satisfy the requirements for long hole blasting in mine. 介绍了一种低起爆能力导爆索的设计、性能及生产工艺。该产品克服了普通导爆索在露天爆破工程中的各种特殊环境和装药条件下的缺陷,能够满足矿山深孔爆破的要求。
- Keywords rock mass constitution face;medium and long hole blasting;line of least resistance;quasi-cratering effect; 岩体结构面;中深孔爆破;最小抵抗线;似漏斗效应;
- Way to Reduce the Large Fragment Rate in Long Hole Blasting 降低中深孔爆破落矿大块率的途径
- Exploding technology about long hole blasting in rock roadway 岩巷中深孔爆破技术
- Application of Spacing Technique in Long Hole Blasting of Openpit Bench 间隔技术在露天台阶深孔爆破中的应用
- APPLICATION OF LONG HOLE BLASTING TECHNOLOGY IN IMPROVING PRODUCTION CAPACITY OF JIADA QUARRY 深孔爆破技术在提高嘉达采石场生产能力中的应用
- Research and Application of Crushing Pit Excavation by Controlled Long Hole Blasting 深孔控制爆破开挖破碎井技术的研究及应用
- EARTHQUAKE EFFECT OF HIGH-LEVEL LARGE-DIAMETE R LONG HOLE BLAST IN ANQING COPPER MINE 安庆铜矿高阶段大直径深孔爆破地震效应的浅析
- The new method adopted roof presupporting,deep and medium hole blasting,LHD ore removal and tailings filling. 该采矿方法采用采场预控顶技术，中深孔爆破，铲运机出矿，尾砂充填。
- long hole blasting [采矿]深孔爆破
- step long hole blasting 台阶深孔爆破
- Long and medium hole blast fragmentation technique 中深孔落矿技术
- Objective To study the historical prevalent regularity and medium long term prediction of pneumoconiosis. 目的对尘肺的历史流行规律和中长期预测进行研究。
- Neck medium long, merging gradually into well laid back shoulders, giving sturdy, muscular appearance.No throatiness. 中等长度，圆滑地与肩部连接，坚定有力的外观，无喉音。
- The blasting effect of this project prove that long hole loose millisecond controlled blasting is a new technology extraordinarily suitable for rock excavation,and worth to be widely spread. 该工程的爆破效果有力地证明了深孔松动微差控制爆破技术是非常适合岩石开挖工程的一门新技术,值得推广。
- Then the wandering soul wild crane stands still the memory river Listen to whistle play tightly ring slowly, Water rises a ship to go medium long things of the past. 再孤魂野鹤的伫立记忆河头，听着哨子的紧奏慢响，水涨船行中的悠悠往事。
- A supermassive black hole blasting is destroying everything in its path with a deadly beam of energy. 超大规模黑洞爆发产生的致命能量束能摧毁一切。
- medium - length or deep hole blasting 中深孔爆破
- Pinot Noir. Complex and dark fruit, evolving into lush red currant. Full-bodied, a delicious wine with balance, lushness, silk, and fine structure with a medium long finish. Drink from 2009 to 2017. 星期五2008年7月4日.;13
