1.
The Study of Compositive Extinguishing Technique for Coal Spontaneous Combustion in the Fully Mechanized LTCC No.7321 Overly Long Faces;
南屯矿7321超长综放面煤层自燃防治技术研究
2.
The Study of Preventing and Extinguishing Technique Against Spontaneous Combustion of Coal in the Fully Mechanized Ultra-long Top-Coal Caving Face;
超长综放面煤层自燃火灾防治技术研究
3.
Numerical Simulation on Double Tailing Gateways Applied to Gas Control of Fully-mechanized Caving Mining Face with Extra Long Mining Length
双尾巷治理超长综放工作面瓦斯数值模拟研究
4.
The Coal Spontaneous Combustion Protection and Control System of Super-Long Fully Mechanized Caving Coalface;
超长综放工作面煤炭自然发火的防治与控制体系研究
5.
Mining Height Long Caving Mining Stope Pressure Control Technology
大采高超长综放工作面采场矿山压力控制技术研究
6.
A research on highly efficient mining technology for use in extra long top coal caving logwall faces with big mining heights in soft,thick and gassy coal seams
高瓦斯松软厚煤层大采高超长综放工作面高产高效技术研究
7.
Pressure releasing and gas drainage with long bore hole in roof overburden of fully mechanized caving face
综放面顶板覆岩走向长钻孔卸压抽放瓦斯研究
8.
Prevention of Shear Failure of Hard Roof in Fully Mechanized Caving Face;
预防综放面坚硬顶板超前剪切破坏方法
9.
Simulation of Hard Roof Weakening Ahead of Working Face with Fully Mechanized Caving
坚硬顶板综放工作面超前弱化模拟研究
10.
Study on the Supporting Technology of T-junction of the Fully Mechanized Top Coal Caving Longwall Face in Pitched Thick Seams;
大倾角厚煤层长壁综放工面端头支护技术研究
11.
Research on gas numerical simulation of over long fully mechanized top coal caving mining face with double tail gateways for gas control
双尾巷治理大采长综放面瓦斯数值模拟研究
12.
Strata Behavior Features of Fully Mechanized Top Coal Caving Mining Face in Ultra Thick Seam with Hard Roof in Binchang Mining Area
彬长矿区坚硬特厚煤层综放面矿压显现特征
13.
Design and Research of the Automatic Advanced Hydraulic Bracket in Compositive Area;
综放面端头自移式超前支护液压支架的设计研究
14.
Making Trial of Forward Supporting Hydraulic Support for Fully Mechanized Coal Caving
超前支护式液压支架在综采放顶煤工作面的试用
15.
Study on Support System Complexity in Longwall Coal Mining Face of Pitch Thick Coal Seam Fully-mechanized Top Coal Caving;
大倾角厚煤层长壁综放工作面支护系统复杂性研究
16.
The Study of "the Three Machines" Necessary in the High-dipping Special Thick Seam Longwall Top-coal Caving Fully Mechanized Coal Face in Wang Jiashan Mining;
王家山矿大倾角特厚煤层长壁综放面“三机”配套研究
17.
Top coal cracking and migration law of fully mechanized top coal caving mining face in steep inclined and thick seam strike
大倾角厚煤层走向长壁综放面顶煤破碎及移动规律
18.
We specialize in Eddy Currents, Laser/Optics, Ultrasound and Radiology testing methods.
我公司在涡流、激光/光学、超声波和放射试验方法方面具有专长。