1.
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
2.
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
3.
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
4.
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
5.
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
6.
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
7.
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
8.
Experimental and Theoretical Researches of Dth Reverse Circulation Drilling Technique in Complex Strata in Luanchuan Molybdenum Mine in Henan Province;
潜孔锤反循环钻进技术在河南栾川钼矿复杂地层中的试验与理论研究
9.
The Parameters Optimization of the Reverse Circulation DTH Hammer and Studies on Its Drilling Technique;
全孔反循环潜孔锤参数优化及其钻进工艺研究
10.
Hole Clearing by air-lift reverse circulation method in bored piles
冲(钻)孔灌注桩气举反循环清孔工艺
11.
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
12.
Principle and Application of Air-lift Reverse Circulation in Bored Pile
钻孔灌注桩气举反循环的原理与应用
13.
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
14.
The Development of CJ-130 Two-way Pneumatic DTH;
CJ-130型双向气动潜孔锤的研制
15.
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
16.
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
17.
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
18.
Application of Air-percussive DTD Hammar in Drilling Grout Hole in Xiaoshan Power Station
风动潜孔锤在小山电站灌浆孔施工中的应用