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1.
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
2.
Selection of Reasonable Section Heights During Top-coal Caving to Steep Seams
急斜煤层分段放顶煤开采合理段高选择研究
3.
Comparison of strata movement between section and slicing of top coal mining in steep and thick seams
急斜厚煤层分层与分段放顶煤岩层移动对比
4.
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
5.
The first caving roof sections in hard coal layers can effectively reduce the pressure during the course of caving and guarantee safe production and efficiency.
坚硬煤层顶板分段初次放顶,能够有效缓解放顶期间的顶板压力,保证安全生产,提高生产效率。
6.
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
7.
Roof-coal Falling Characteristics Analysis in Fully-mechanized Caving
综放开采顶煤冒放性因素分析与评价
8.
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
9.
Study on Distribution Regularity of Coal-body Gas Pressure near Coal Draw-point in Early Stage of Caving Mining
放顶煤开采初期放煤口附近煤体瓦斯压力分布规律研究
10.
Study on Development Law of Water Conducted Fracture Zone in Top Coal of Fully Mechanized Top Coal Caving Mining Face
综采放顶煤导水裂缝带发育规律分析
11.
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
12.
The effects of different drawing interval and top-coal fragmental size on flow character of coal-gangue and sand, and on mixed degree of coal and gangue were analyzed during drawing top-coal.
分析了不同放煤步距、顶煤块度对放煤过程中煤矸砂流动形态、混矸程度的影响。
13.
A Fisher discriminant analysis model for classifying top coal cavability of the steep seam
急倾斜煤层顶煤可放性分类预测的Fisher判别分析模型及应用
14.
Reliability Analysis and Research on Hydraulic Pressure Support for Putting Top Coal Hydraulic System;
放顶煤液压支架液压系统可靠性分析与研究
15.
The Study on Mechanics Analyze and the Design of the Main Structure of the Dropping Top Coal Hydraulic Powered Support;
放顶煤液压支架的力学分析及主要结构的设计
16.
Technical Issues of Mining for Coal with"π"Model Girder Roof Coal;
“π”型钢梁放顶煤开采中的若干技术问题分析
17.
Research and Analysis on Laws of Strata Behaviors in Mining Working Face with Sublevel Caving
放顶煤工作面矿山压力显现规律研究与分析
18.
Study and Application on Stability of Hard and Massive Overlying Strata in Fully Mechanized Sublevel Caving Face;
综采放顶煤采场厚层坚硬顶板稳定性分析及应用