1.
Numerical simulation of deep-hole blasting and its application in mine roof weaken
深孔爆破数值模拟及其在煤矿顶板弱化中的应用
2.
Argillation of a Roof Weak Interlayer due to Water Seepage and Its Influence on Roadway Stability
顶板软弱夹层渗水泥化对巷道稳定性的影响
3.
Weathering Weak Entry of Composite Roof Bolting Technology Research
软弱风化复合顶板巷道锚杆支护技术研究
4.
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
5.
Research on Non-coupling Charging Coefficient in Softening Hard Roof with Deep-hole Blasting
深孔爆破弱化坚硬顶板不耦合系数研究
6.
Study on the Surrounding Rock Stability and Safety Control of Roadways Roof Embedded Weak Intercalated Seam;
软弱夹层顶板巷道围岩稳定与安全控制研究
7.
On soft interlayer affecting roadway stabilization in roof
顶板中软弱夹层对巷道稳定性影响研究
8.
Roof Deformation Features and Procedure Control of Mining Gateway Under Weak Water Bearing Condition
弱含水条件下巷道顶板变形特征及过程控制技术
9.
Quantitative Phase Composition Analysis of the Scale on Hot-rolled Steel Plate with Weak Texture
弱织构热轧钢板氧化皮的定量相分析
10.
Basic Study on Technology of Pre-blast Weakening Hard Top-coal in Fully Mechanized Caving Faces;
综放开采坚硬顶煤预先爆破弱化技术基础研究
11.
Study on Technology of Hard and Thick Top-coal Weakening in Fully Mechanized Caving Faces in Binchang Mining District;
彬长坚硬厚煤层综放开采顶煤弱化技术研究
12.
Test on Hard Top Coal Pre-Blasting and Weakening for High Gassy Fully Mechanized Top Coal Caving Mining Face
高瓦斯综放面预先爆破弱化坚硬顶煤试验
13.
The top surface in an enclosed space of a ship.
顶板密闭的船舱的顶层
14.
una corda pedal
(钢琴的)弱音踏板
15.
Study on cable-beam support technology of big section area roof board with weathering and flabbiness character
大断面风化顶板锚梁喷支护技术的试验研究
16.
Research on the Deformation Mechanism and the Location Optimization of High-Level Entry for Gas Extraction;
顶板瓦斯高抽巷采动变形机理及优化布置研究
17.
Research on the Change of Roof Pressure in Mining Coal Seam Athwart the Dipping Direction of Structural Plane by Centrifugal Model Test
逆结构面倾向开采顶板压力变化离心试验研究
18.
A research on the technology to solidify friable roof in low top coal caving longwall faces where multiple faults meet
低放工作面断层群破碎带顶板固化技术研究