1.
TECHNOLOGY FOR MINE OF HIGH EFFCIENCY ON SAFETY IN THE SINGLE HYDRAULIC PROP CANNON COAL FACE
单体液压支柱炮采面安全高效开采技术
2.
High efficiency coal mining technology used under complicated geological conditions
复杂地质条件下工作面高效开采技术
3.
Guishigou Coal Mine:Safe and highly efficient mining technology for use in highly gassy top coal caving longwall faces
贵石沟矿高瓦斯综放面安全高效开采技术
4.
Study on Completed Equipment of Thinner Seam High Efficient Fully Mechanized Mining Face;
较薄煤层高效开采工作面设备优化配套研究
5.
Investigation on the Technologies of High Efficiency Mining and Ground Pressure Monitoring and Control for Deep Metal Deposit Mining;
深井金属矿床高效开采及地压监控技术研究
6.
Study on High Efficient Mining Scheme for Xiaowanggou Iron Mine to Transfer from Open-Pit into Underground Mining
小汪沟铁矿露天转地下高效开采方案研究
7.
Construction and Run of High-efficiency Mining Mode in Technical Reformation of Local Collieries
高效开采模式在地方煤矿技改中的构建及运行
8.
Technological Study and Practice on Safe and Efficient Mining Under Hard-Roof Condition
坚硬顶板条件下安全高效开采技术研究与实践
9.
Development and Application of Completed Set Equipment for Safety and High Efficient Mining in Thin Seam
薄煤层安全高效开采成套装备研发及应用
10.
Technology of Safety and High Efficiency Mining Face under Extremely Hard and Thick Igneous Roof
特硬厚层火成岩顶板工作面安全高效开采技术
11.
EXPERIMENTAL INVESTIGATION OF EFFICIENT INJECTOR OF LOW PRESSURE NATURAL GAS
高效开采低压天然气引射装置的试验研究
12.
Probing into Chongqing coal mine geological assurance system to improve safety and efficiency
重庆煤矿安全高效开采地质保障系统的探讨
13.
Research on Improving Heavy Oil Production Effect with ShengLi Mahogany Sulfonate Multi-system;
石油磺酸盐提高稠油开采效果技术研究
14.
Development and Application of Mass Mining Technology with Bundle-hole Blasting
束状孔大量高效采矿技术的开发与应用
15.
Practices on Fully Mechanized Longwall Top Coal Caving Mining Technology in Extra Thick Seam in Tashan Mine
塔山煤矿特厚煤层安全高效综放开采技术
16.
APPLICATION OF HIGH EFFICIENCY CATALYST IN DOWNHOLE UPGRADING HEAVY OIL
稠油井下改质降黏开采中高效催化剂的应用
17.
Water blending under, pump is bound to cause blended water's circling and high water-bearing of produced liquid, which is bad to enhance oil recovery.
泵下掺水易形成掺入水空循环、来出液含水高，不利于提高开采效率。
18.
Study of Key Technology of High Yield and Efficiency on Fully Mechanized Top Coal Caving in Steep Critical Angle Seam in Tiechanggou Coalmine;
铁厂沟矿急斜临界角煤层综放开采高产高效关键技术研究