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- According to the studying and acquainting with the direct roof control of Datong mining area,this paper offers a kind of simple and workable classification for direct roofs. 根据作者对大同矿区直接顶板控制的研究和了解，提出了一种简单易行的直接顶分类方法。
- Sublevel caving technique has been utilized in Datong mining area under hard rock and hard coal, problems including low recovery ratio and spontaneous fire in gob have been overcome to achieve safe and high prodction. 大同煤矿集团“两硬”条件侏罗纪厚煤层下分层工作面应用低位放顶煤开采技术,解决了传统工艺所造成的煤炭资源回收率低、空区自然发火危险程度高等技术难题,实现了安全高效开采的目的。
- Causing Mechanism and Synthetically Precaution Technology of Rock Burst in Datong Mining Area 大同矿区冲击矿压发生机理及综合防治技术
- Analysis of Damage Characteristics of Cover Rock in Vacant Place of Datong Mining Area 大同矿区采空区覆岩破坏特点分析
- Re-establishment of the Third-grade Control Network in Datong Mining Area with Use of the GPS Positioning Technology 应用GPS定位技术重建大同矿区三等控制网
- Numerical simulation of surface subsidence on the conditions of "three-hard" in Datong mining area 大同矿区"三硬"条件地表沉陷数值模拟
- Application of Controlled Source HF-electromagnetic Sampling System in Water-seeking in Datong Mine Area 被动源高频电磁采样系统在大同矿区找水中的应用
- APPLICATION ON FUZZY MATHEMATICS METHOD IN EVALUATING ATMOSPHERIC ENVIRONMENTAL QUALITY OF DATONG MINE AREA 模糊数学法在大同矿区空气环境质量评价中的应用
- Selection and evaluation of the mining methods for the thick and extra-thick coal seams of the Carboniferous System in Datong mining area 大同煤田石炭系厚及特厚煤层采煤方法的选择与评价
- Datong mining area 大同矿区
- Speed up development of Panxi iron mining area. 加快攀西铁矿山建设。
- Manage Environment in Exploration and Mining Area. 管理矿区环境。
- The coal mining area is in the center of the basin. 煤矿区位于盆地的中心。
- More than60 pits in old mining areas are being extended. 老矿区的六十多个矿井正在扩建。
- The paper introduces comprehensive treatment about the environmental protection of the Yungang mine area in the Datong Coalmines Group Co. 对大同煤矿集团公司云冈矿环境保护方面的综合治理进行了介绍。
- To replace this machine use steel-wire harrow-coaling machine in Datong mining group,can avoid serious accidents caused by sparks from steel-wire attrition on high gas areas. 大同煤矿集团公司用该机取代了高瓦斯区域内的钢丝绳耙斗装煤机,避免了因钢丝绳摩擦引起的火花而引发重大事故的发生。
- Independent Coordinate System Establish Method in Mining Area. 矿区独立坐标系的建立方法。
- All coal faces at the northen of Datong Mining Bureau Yungang Mine because of their development process of geologic structure have to down steep seams and pass through faults. 针对大同矿务局云冈矿井田北部断层等地质构造发育的特点，从开采方法和采煤工艺上进行了探讨和论证。
- My mining area is containing the rich blue sandstone resources. 我矿区蕴藏着丰厚的青砂岩资源。
- This endangers anile mining area severely live and develop. 这严重地危及到衰老矿区的生存和发展。
