顶煤,top coal英语短句,例句大全

顶煤,top coal
1)top coal顶煤
1.Research on loose blasting technology for top coal;顶煤松动爆破技术的研究
2.Analysis on three feature deformation parameters and multi damage of top coal in fully mechanized caving mining;综放开采顶煤的三个特征变形参数及多次损伤分析
3.Determination of working resistance of support under different top coal conditions;不同顶煤条件下支架工作阻力的确定

英文短句/例句

1.Top Coal Crushing Mechanism and Determination of Roof Caving Height in Roof Caving Workface放顶煤工作面顶煤破碎机理及放煤高度的确定
2.Study on Top Coal Caving of Horizontal Section Top Caving in Steep Seam;急倾斜水平分段放顶煤顶煤放出规律研究
3.The Three-dimensional Visualization Simulation of Top-coal Movement Regulation on the Base of OpenGL;基于OpenGL放顶煤顶煤运动规律的三维可视化仿真
4.Study on Roof and Top-Coal Classification and Application in Fully Mechanized Top-Coal Caving Face;综放面顶板（顶煤）分类及应用研究
5.Study on Gateway Top Caving Technology for Steep-inclined Coal Seam急倾斜煤层巷道放顶煤回采工艺研究
6.Research on Top-coal Caving Difficult Degree of 8-1 Coal Seam of Baode Colliery in Shendong Mining Area神东矿区保德煤矿8-1煤顶煤可放性研究
7.The Influence of Seam Occurrence on Fully Mechanized Top Coal Caving煤层赋存状态对综采放顶煤采煤法的影响
8.Research on the Top Coal Caving and Drawing Characteristics of Caving Roof Coal Mining for Shallawly Buries and Hard-Thick Coal Seam;浅埋藏坚硬特厚煤层放顶煤开采顶煤冒放性研究
9.Practice on Mining Method Changing from Top Coal Caving Mining to Top Slice Mining工作面由放顶煤开采改为顶分层开采的实践
10.Theory and Application on Top-Coal Caving Characteristics and Water Pre-Infusion to Treat Top-Coal;顶煤冒放特性与预注水处理顶煤的理论研究及其应用
11.Application of low caving coal hydraulic support in thick coal seam with large tilt angle低位放顶煤液压支架在大倾角厚煤层中的应用
12.Study on Technology of Hard and Thick Top-coal Weakening in Fully Mechanized Caving Faces in Binchang Mining District;彬长坚硬厚煤层综放开采顶煤弱化技术研究
13.Study on Technology of Top-coal Caving Mining of Lane Pillar in 3.5～10m Steeply Inclined Coal Seam;3.5～10m急倾斜煤层巷柱式放顶煤开采技术研究
14.Coal-Rock Compound Mechanical Models and its Control in the Top-Coal Caving Faces;放顶煤工作面煤岩组合力学模型及其控制
15.The Practice and Understand of Exploitation of Integrated Excavated Top Coal;谢桥煤矿综采放顶煤开采的实践与认识
16.Digital Simulation of the Top Coal Caving Characteristics in Shangwan Mine上湾煤矿后备区顶煤冒放性数值模拟研究
17.Selection of Hydraulic Powered Top Coal Caving Support and Three Equipment Matching Applied to Deep Inclined Seam with Soft Roof,Soft Coal and Soft Floor大倾角三软煤层放顶煤支架选型及三机配套
18.Study on Laws of Rock Pressure Appearance at Blasting Caving Coal Face in Hezhuang Coal Mine何庄煤矿炮采放顶煤工作面矿压显现规律研究

相关短句/例句

top-coal顶煤
1.Site measurement analysis on top-coal movement and displacement in a lower sub-slice isolated island fully mechanized top-coal caving face;下分层孤岛综放工作面顶煤运移特征实测分析
2.Optimization Study of Caving Fissure of Hard Top-coal and Coal Mining Technology;坚硬顶煤冒放性的裂隙与采煤工艺优化研究
3.In order to control the stability of surrounding rock mass and the capability of top-coal for overlength isolated fully-mechanized top coal caving face,the distribution characters of abutment pressure for the working face are analyzed contrastingly with finite element software.为对超长孤岛综放工作面围岩稳定性和顶煤冒放性进行控制,采用FLAC3D有限元软件对比分析了超长孤岛工作面的支承压力分布特征。
3)roof coal顶煤
1.Analysis on roof coal activity rule in compound mining face;综放工作面顶煤活动规律分析
2.Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.分析了放顶煤开采顶煤冒放性的影响因素。
3.The paper discusses the roof coal breakage principle,deformation breakage and retrieval law and analyzes factors affecting cover caving ability.论述了综放开采的顶煤破碎机理、变形破碎及回收规律；分析了影响煤层可放性的因素；介绍了煤层可放性分级评价的几种方
4)roof-coal顶煤
1.From the influencing factors,the falling capability of roof-coal is studied systematically by finite element numerical analysis and observations in-situ.从影响顶煤可放性的因素出发,结合现场观测,采用有限元数值分析方法,系统地研究了顶煤的可放性,并运用建立的顶煤可放性预测模型,对济宁二号煤矿的顶煤可放性进行了预测。
2.This paper studies the failure mechanism of roof-coal in abutment presure according to the basic principle about rock deformation and roct mechanics.本文以岩石力学关于岩石变形破坏的基本原理为基础,研究了在支承压力作用下顶煤破碎机理。
5)top surface of coal seam煤顶
6)top roof and top coal顶板顶煤