水平煤层,flat coal seam
1)flat coal seam水平煤层
1.In order to improve the veracity of dimension design of the protective coal pillar,Factors affecting angle parameters of surface movement inflat coal seam mining are analyzed;criterion formulas for calculating such angle parameters are derived by mechanical analysis.为了提高保护煤柱尺寸设计的准确性,分析了近水平开采地表移动角量参数的影响因素,通过力学分析给出了近水平煤层开采地表移动角量参数的准则表达式,根据大量的实测资料综合分析,利用非线性回归分析方法建立了地表移动角量参数与地质采矿条件之关系,给出了近水平煤层开采地表移动盆地内边界角、移动角和充分采动角的计算公式。
英文短句/例句
1.The Law of the Earth"s Surface Movement of Crowd Exploitation on Closely Horizontal Coal Seam;近水平煤层群开采地表移动规律的研究
2.Study on Angle Parameters of Surface Movement in Flat Coal Seam Mining近水平煤层开采地表移动角量参数研究
3.Determination of Critical Thickness of Stiff Roof in Coal Mine Based on Thick Plate Theory基于厚板理论的水平煤层顶板临界厚度的分析
4.Research on Coupling Theory of Horizontal Borehole and Coalbed Methane Reservoir水平井筒与煤层气藏耦合的理论研究
5.Effects of Coal-Bed Geometric Parameters and Permeability on Horizontal Well Production in Coalbed Methane Reservoir煤层几何参数和渗透率对水平井开采煤层气的影响
6.Hydraulic Characteristics of Limestone Aquifer in Ji Group Coal Floor and Its Impact to Coal Mine Water Filling in No.12 Mine of Pingdingshan Coal Mining Group Corporation平煤十二矿己组煤层底板灰岩水赋存规律及对矿井充水影响
7.The Hydrogeological Conditions of the Strata Under No.9 Coal Seam of Zhaigou Coal Field寨沟井田二水平9号煤层底部岩层水文地质条件分析究与应用
8.A Study on Numerical Simulation Method of Pinnate Horizontal Multilateral Well for Coalbed Gas Recovery;煤层气定向羽状水平井开采数值模拟方法研究
9.Study on Stability of Flat Coal Layer in Xi Shanping Tunnel;西山坪近水平煤系地层隧道围岩稳定性研究
10.No-operator Working Face Mining Research of Nearly Level Extremely Thin Coal Seam Being Difficult to Mine;难采近水平极薄煤层无人工作面开采研究
11.The Study on Drilling Techniques of Coalbed Methane Horizontal Well in HanCheng Area韩城地区煤层气水平井钻井工艺技术研究
12.Tracking Research of Multi-branch Horizontal Well Technology at FanZhuang Coalbed Methane Region樊庄煤层气多分支水平井开采技术跟踪研究
13.Analysis of instability characteristics of surrounding rock within horizontal section caving face in steep coal seam急斜煤层水平分段综放开采围岩失稳特征分析
14.THE COAL BED METHANE PRODUCTION IN VERTICAL FRACTURING WELLS AND MULTIPLE LATERAL HORIZONTAL WELLS煤层气竖直压裂井与多分支水平井生产特征
15.Study on Structure and Control of Surrounding Rock in Mining Steep Seams Using Horizontal Section Top-Coal Caving;急斜煤层水平分段放顶煤开采围岩结构及其控制性研究
16.II1 Coal Floor Seepage Field Pattern and Water Control Measures in Ningzhuang Pit, Liyuan Coalmine平煤梨园矿宁庄井二_1煤层底板渗流场规律及防治水对策
17.Adaptability Analysis of U Shaped Horizontal Connected Wells in CBM Exploitation in Liulin Area, Hedong CoalfieldU型水平连通井在河东煤田柳林地区煤层气开发的适应性分析
18.Study on Behavior of Superincumbent Strata in Mining 45 Degree Coal Seams Using Horizontal Section Top-coal Caving;45°煤层水平分段综放开采上覆岩层移动破坏规律研究
相关短句/例句
horizontal seam近水平煤层
1.Aimed at the existing characteristics of thehorizontal seam under complicated geological conditions,the method of crosscut exposing coal of control layer,seam pre-pumping,driving while pumping,metal skeleton,depressurizing 5 emissions further complicated geological conditions near the level is pointed out.针对复杂地质条件近水平煤层的赋存特点,提出了控制层位、煤层预抽、边掘边抽、金属骨架、排放卸压5步复杂地质条件近水平石门揭煤方法;该方法在祁南煤矿南大巷石门揭煤中得到了应用,并取得了良好的效果。
3)horizontal thick coal seam水平厚煤层
1.Mechanism of the slope failure ofhorizontal thick coal seam under the condition of combined mining;水平厚煤层露井联合开采下边坡破坏机理
4)closed horizontal seam group近水平煤层群
5)horizontao section of coal seam煤层水平断面图
6)level course煤层等高线;水平巷道;水平层
延伸阅读
近侧水平线近侧水平线皮纹学术语，系手掌属曲面褶线之一。起于拇指与示指之间，向尺侧延伸，终于小鱼际。通常用E表示。
