1.
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
2.
Combin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam
急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术
3.
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
4.
Research on the Tunnel Supporting and Propriate Coal Wedre Preserving under the Provide of the Upper Plate of Qiling Coal Mine;
七岭煤矿坚硬顶板条件下巷道支护及合理煤柱留设研究
5.
Research on the Relationship between Two-Leg Sublevel Caving Shield Support and Surrounding Rocks and Adaptability
两柱掩护式放顶煤支架与围岩关系及适应性研究
6.
Support Technology of Small Coal Pillar Goaf-side Gateway for Fully Mechanized Top Coal Caving Mining Face in Deep Mine
深部综放工作面小煤柱沿空巷道支护技术
7.
Practice Entry Protection Technology on Full Mechanized Working Face Heteromorphism Coal-pillar Condition
综放工作面异形煤柱条件下的护巷技术
8.
Brief Analysis of Type and Structures of Two-legged and Four-legged Top Coal Caving Hydraulic Powered Support
两柱与四柱放顶煤液压支架架型及结构浅析
9.
Application of Gas Tail Gateway to Top Coal Caving Mining in Low Permeability Thick Seam
瓦斯尾巷在低透气性厚煤层放顶煤开采中的应用
10.
pillar of ground
运输平巷上方的煤柱
11.
Study the technique of caving hanging roof in the condition of hard roof of room-and-pillar mining.;
房柱式开采坚硬顶板条件下悬顶放顶技术研究
12.
Spontaneous Combution and Firing Study on Air Return Workface of Steep Coal Seam with Pillar Mining Method in Shitun Coal Mine;
拾屯煤矿急倾斜煤层巷柱式回采面发火规律研究
13.
Study on Protecting Entry Techniques under Anomalistic Pillar Conditions in Hong-Hui NO.4 Mine Fully Mechanized Caving Faces;
红会四矿综放工作面异形煤柱条件下护巷技术研究
14.
Study on Deformation of Narrow Pillar of Roadway Driving Along Next Goaf of Full Caving Face and Its Control in Deep Coal Mine
深井综放面沿空掘巷窄煤柱破坏规律及其控制机理研究
15.
Research on Main Technical Problems in4-prop Top-coal Caving Powered Support
四柱放顶煤液压支架主要技术问题研究
16.
The truss cable support technology at the large cross-section set-up room with thick and broken coal roof
大断面厚层破碎煤顶综放切巷桁架锚索支护技术
17.
Gateway Support Modes and Parameter Optimization of Fully Mechanized Top Coal Caving Mining Face in Soft and Thick Seam
软厚煤层综放工作面巷道支护形式与参数优化
18.
Mechanism of Narrow Pillar Protecting Roadway and Support Technology of Gob-Side Entry in Deep Mine
深井沿空巷道小煤柱护巷机理及支护技术