1.
Technic Study on Increasing Permeability of Deep-hole Presplitting Blasting and Its Application in Low Permeability Coal Seam;
低透气煤层深孔预裂爆破增透技术研究及应用
2.
Numerical simulation on increase of permeability using deep-hole pre-splitting explosion in coal seam
高瓦斯煤层深孔预裂爆破增透数值模拟试验
3.
The Application of Deep Hole Presplitting Blasting Technology in Rock Crosscut Coal Uncovering
深孔预裂爆破技术在石门揭煤中的应用
4.
Study on Effect of Intensified Increasing Permeability by Deep-hole Presplitting Blasting in High Gas and Low Permeability Coal Seam
高瓦斯低透气性煤层深孔预裂爆破强化增透效应研究
5.
Probe into Improving Recovery Ratio of Caving Coal at π Steel Beam Caving Coal Face by Deep Hole Pre-Fracture Blasting
深孔预裂爆破提高π型钢梁放顶煤回采率可行探讨
6.
Application of Roof Deep-hole Pre-splitting Blasting Technology While Working Face Crossing Coal Pillar
顶板深孔预裂爆破在回采工作面过煤柱中的应用
7.
Study on the Technology of Long-hole Pre-splitting Blast Controlling in High Gas Coal Seam to Increase Permeability;
高瓦斯煤层深孔控制预裂爆破增透技术研究
8.
A Practice of Presplitting Blast for Long Hole Benching in Multi-Governing Factor Condition
多控制因素条件下深孔台阶预裂爆破的实践
9.
INFLUENCE OF DEEP-HOLE CONTROLLED PRE-CRACKING EXPLOSION ON MICROSTRUCTURE OF COAL
深孔控制预裂爆破对煤体微观结构的影响
10.
Research on splitting technical of coal bed deep-hole cumulative blasting to improve permeability
煤层深孔聚能爆破致裂增透工艺研究
11.
The Application of Cross-hole Sonic Wave in Detecting Depth of Concrete Cracks
跨孔声波在检测混凝土裂缝深度中的应用
12.
Study on Fragmentation Forecasting for Length Hole Bench Blasting;
中深孔台阶爆破块度分布预测的研究
13.
Preventive photocoagulation treatment of retinal degeneration and tear before LASIK
LASIK术前视网膜变性及裂孔预防性光凝治疗
14.
dissected leaf
【植】深裂[多裂]叶
15.
Experimental Research on Long Hole Loose Blasting Mechanized Kaolin Mining
高岭土矿机械化开采预先深孔松动爆破试验
16.
Application of Pre-floating Measures in Deep-hole Drilling in the Complex Strata
预飘措施在复杂地层中深孔钻探中的运用
17.
Research and application of deep hole advance pre-blasting in hard roof of steeply dipping seam mining
大倾角坚硬顶板深孔超前预爆破研究与应用
18.
Production Prediction Method Study for Fractured Gas Well in Xushen 6 Block
徐深6区块开发气井压裂产量预测方法研究