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- capability of top coal caving 顶煤可放性
- The law of top coal movement on a fully mechanized longwall face with top coal caving wasanalysed thoroughly on the basis of field observation andfinite element calculation. 本文根据现场观测、数值计算以及理论分析,详细阐述了放顶煤采场的顶煤变形运动规律,指出了顶煤变形运动可划分成四个区:顶煤变形区,压裂区,松动区和放落区。
- fully mechanized mining method of top coal caving 放顶煤综采法
- Blasting test of top coal precracking in blasting coal Caving face 炮采放顶煤工作面顶煤预裂爆破试验
- Application of top coal caving process with suspend-moving support in "three soft" and large inclined thick seam 悬移支架放顶煤工艺在"三软"大倾角厚煤层的应用
- Dynamic bearing characters and reliability analysis of top coal caving hydraulic supports 放顶煤液压支架的动态承载特征及可靠性分析
- Explosive technique of top coal caving in roadways of medium-thickness and high-thickness steep seam 急倾斜中厚-厚煤层巷道放顶煤开采爆破技术研究
- Practice of top coal caving face crossing coal pillar and striding center bolthole in"three soft"coal seam "三软"煤层综放面过煤柱跨中央运输石门技术
- Model and its application on the evaluation of degree of difficulty of top coal caving in steep seam 急倾斜煤层顶煤可放性评价模型及应用
- A Study of Top Coal Caving and Drawing Characteristics?and Its Forecast Classification 顶煤冒放性及其预测分类研究
- Practices have proved that quick advancing techniqe is applicable in isolated unmined area Comprehensive top coal caving face. 实践证明,孤岛综放工作面快速推进技术是可行的。
- This article introduced applications,observation and research's actuality and developing trend of fully mechanized top coal caving mining under water. 介绍放顶煤开采技术在水体下采煤领域中的应用情况、观测研究现状及其发展趋势。
- In early application of fully mechanized top coal mining,Spontaneous fire took place when the backout of fully mechanized top coal caving face was stopped mining. 在应用综放开采的初期,每当综放工作面停采回撤时,就会发生自燃发火。
- Taken Xinhe Colliery 3101 workface as the concrete condition, phenomenon law of underground pressure in great-inclined thick coal seam mechanized top coal caving is studied. 本文以新河煤矿3101工作面为具体条件,研究了大倾角厚煤层综放开采矿压显现规律。
- In today's world of rapidly evolving competitive, regulatory, and technological forces, business performance depends on the capability of top leadership to aff... 在当今迅速变化的竞争,管理世界,技术力量,经营业绩的影响取决于战略变化对高层领导能力。
- The act or capability of attracting. 吸引力,魅力吸引的行为或能力
- The movement of top coal and top roof is discussed with the data observed from the caving mining of deeply inclined thick coal seam with horizontal section in Zhaogezhuang colliery of Kailuan Group. 就开滦集团赵各庄矿在急倾斜厚煤层采用水平分段开采过程中的现场观测,探讨顶煤和顶底板运移。
- As a scientist, he have the capability of do important research. 作为一个科学家,他具有从事重要科学研究的能力。
- The key point of Grand pressure law on working face of seam top coal caving method,the method of dealing with them,firstly caving and end caving of working face roof control are discussed. 论述了中厚煤层综采放顶煤工作面矿压显现规律和顶板管理的特点,指出了综放工作面顶板管理的方法,以及工作面初采、收作时顶板管理的要点。
- As a scientist, he has the capability of doing important research. 作为一个科学家,他具有从事重要科学研究的能力。