1.
Researches on the Key Technologies of Hollow-Through DTH Used in Gas Drilling
气体钻井用贯通式潜孔锤关键技术研究
2.
Numerical Simulation and Optimum Design of Piston in GQ89 DTH Hammer
GQ89型贯通式潜孔锤活塞仿真分析及优化设计
3.
Simulation and Experimental Study on Down-the-Hole Drilling Fluid Field of the Hollow DTH Hammer Reverse Circulation Coring and Sampling Technology;
贯通式潜孔锤反循环取心（取样）钻进孔底流场模拟与实验研究
4.
Simulation on Whole Fluid Field of the DTH Hammer Reverse Circulation Coring and Sampling Technology;
贯通式潜孔锤反循环连续取心钻进完整流场CFD分析
5.
Technology Research on Extending Core Length of Hollow DTH Reverse Circulation Continuous Coring Drilling;
贯通式潜孔锤反循环连续取心钻进提高岩心长度技术研究
6.
Experimental and Drill Bit Flow Field Analyze of Run-through DTH Reverse Circulation Drilling Technique;
贯通式潜孔锤反循环钻进技术试验及钻头流场分析
7.
Research on Coring Mechanism of Reverse Circulation Continuous Coring Drilling of Hollow DTH;
贯通式潜孔锤反循环连续取心钻进取心机理研究
8.
Research of Application and Drilling Tool Optimization of Reverse Circulation Drilling Technique with Hollow-Through DTH Hammer
贯通式潜孔锤反循环钻进技术钻具优化及应用研究
9.
Investigation of the Application of Hollow-through DTH Hammer Reverse Circulation Drilling Technique in Mineral Exploration
贯通式潜孔锤反循环钻进技术在矿区勘探中的应用研究
10.
Application of hollow through type DTH hammer in exploration of underground mine goaf in opencast working
贯通式潜孔锤在露天矿山地下采空区探查中的应用
11.
Study of Non-Dig Oscillate-Drilling DTH Orientation Device Applied on Hard Rock Stratum;
硬岩非开挖钻进摆动式潜孔锤定向机构的研究
12.
A Developing Conceive for Bundling Pneumatic DTH Hammer of Large-diameter Cast-in place Bored Pile
发展大直径钻孔灌注桩捆绑式气动潜孔锤的一种设想
13.
Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole
嵌岩桩孔组合潜孔锤取心钻具的研制
14.
Study on DTH with Self-propelled Round Bit and Its Simulation Analysis;
钻头自回转型潜孔锤研究及仿真分析
15.
The Development of CJ-130 Two-way Pneumatic DTH;
CJ-130型双向气动潜孔锤的研制
16.
Neural Network Method in the Penetration Rate Prediction of Percussive Drilling
利用神经网络法预测风动潜孔锤钻速
17.
Preliminary Study on a New Energy-saving Pneumatic DTH Hammer
一种新型节能气动潜孔锤的初步研究
18.
Research of Technology Problem with Pneumatic Downhole Hammer Core Drilling
气动潜孔锤取心钻进工艺问题的研究