1.
Feasibility on the upward mining of the left-over coal above goaf with pillar supporting method
刀柱采空区上方遗弃煤层上行开采可行性判定
2.
Study on Longwall Mining Pressure and Control Beneath the Area Mined with Longwall-Pillar Method in Ultra-Close Multiple-Seams;
极近距离煤层刀柱采空区下长壁开采矿山压力及其控制研究
3.
Study on Stress State of Wide Strip Pillar in Gobs of Deep Mines
深井采空区宽条带煤柱受力状态研究
4.
The Technology and Practice of the Safe Pillar Stoping in the Mined Area of Shizishan Copper Mine
狮子山铜矿采空区矿柱安全回采技术与实践
5.
Study on the Damage patterns and Mechanism of Mined-out Area in Mines using Room-and-Pillar Mining Method
房柱法开采矿山采空区失稳模式及机理
6.
Stability Analysis of Independent Mined-out Area and Artificial Pillars in Gold Rock Mining
岩金开采独立采空区与人工底柱的稳定性分析
7.
Second Mining under Isolated Pillar Left by Wedge-pillar Mining Method
刀柱复采跨隔离煤柱布置探索与实践
8.
Research of Extraction Quality Evaluation of a Stope and Safety and High-efficiency Extraction of Ore Pillar Based on a Cavity Monitoring System
基于空区实测的采场回采质量评价与矿柱安全高效回采研究
9.
Comprehensive Treatment Technique of the 420 Coal Pillar High -temperature Area of Goaf in Lianchuang Company
联创公司420煤柱采空高温区综合治理技术
10.
The discussion about waterproof mine columniationpillar width in Small coal mines bare area
小煤窑采空区留设防水煤柱合理宽度的探讨
11.
Analysis on Stability of Coal Pillar in Goaf Area of No.11 Seam in Tangshangou Mine
唐山沟煤矿11号煤层采空区煤柱稳定性分析
12.
Analysis self-stability of the room and pillar type mined-out area in the level or gently inclined strata
水平或缓倾斜地层中房柱式采空区自稳性分析
13.
Study on Disposition Method of Huge Goaf in Room-And-Pillar-Mining in Pingyi Gypsum Colliery;
平邑石膏矿房柱式开采大面积采空区处理方法研究
14.
Research on Roadway Support Technique for Coal Pillar Mining in the Old Mining Area Known for Weak Seams
三软煤层老空区煤柱开采巷道支护技术试验研究
15.
Comprehensive Prevention and Control Technology of Goaf Water for First Coal Pillar Mining Face in Mining Dip Gateway
回采下山巷道煤柱首采面采空水综合防治技术
16.
Optimization of the Design of Mining Area and to Mine Reasonably the Coal-Pillar of Mine Surface Plant;
优化采区设计 合理开采工业广场煤柱
17.
Application of ZZS3800/15.5/25 Mechanized Supporter in Knife Column Recovery Coal Mining
ZZS3800/15.5/25综采支架在刀柱式回采遗留煤体回收中的应用
18.
Exploration on Coal Pillar Recovery on Fully Mechanized Disk Area under Complex Conditions
复杂条件下综采回收盘区煤柱的探索