1.This paper discusses the law of the ore drawing about Sublevel Caving Mining, and analyzes the reasons for the dilution and loss.
探讨了无底柱分段崩落法放矿规律,分析了造成损失贫化的原因。
2.The sublevel caving mining of steep coal seam as an economic, safe, efficient mining method are widely used in steep thick coal seam mining.
其中,急倾斜特厚煤层水平分段综采放顶煤开采方法,已经在国内急倾斜厚煤层开采中得到广泛应用。
3.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。
4.The calculation on working resistances of supports has been one of key research questions for coal faces with sublevel caving.
支架工作阻力计算是综放开采研究的主要问题之一。
5.With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
随着煤矿开采深度增加,综放开采回采巷道易发生冲击地压危害。
6.This paper introduced the test study of upward sublevel filling method in this mine.
本文主要介绍了上向分段胶结充填采矿法在该矿的试验研究。
7."It's a mode of vibration that happens when the vocal cords are relatively lax, when sublevel pressure is low, " said Dr. Liberman.
“这是在声带比较松弛、次级压力较低时的一种振动模式,”利伯曼博士说。
8.Bodies and minds are not that different from one another. They are both composed of swarms of sublevel things.
它们并没有相差太远,都是由成群的次级物组成。
9.The adoption of pillarless sublevel caving with high sublevel and large drive interval is a world development orientation.
采用高分段大间距是无底柱分段崩落采矿法在世界各国的发展方向。
10.Application of Sublevel Chamber Mining Method in Jinan Steel City Mining Co. , Ltd.
分段矿房法在济南钢城矿业公司的应用。