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Keyword [drill]
Result: 161 - 180 | Page: 9 of 10
161. Research On Permeability Increased Range Of Hydraulic Fracturing In Pan â…¡ Coal Mine
162. Analysis And Research On Dual-Power-slag-discharge Drill Pipe For Outburst Coal Seam
163. The Research And Development On New Style Converse System Of Hydraulic Rock Drill Plunger
164. Basic Research Of Gas Desorption Index Of Drill Cuttings (Δh2) Measurement Technology
165. FEM Simulation Of The Drill With Indexable Inserts Based On DEFORM
166. Study On Coupled Transverse And Torsional Dynamics Of Drill String Based On Chaotic Theory
167. Study On Longitudinal Vibration Of Drill String Based On FSI
168. The Applied Research And Data Acquisition Of Drilling String Vibration Signals
169. Research On Drilling Of Hard Engineering Ceramic By Brazed Diamond Boring Tool
170. Research On The Influence Of Split-flow Drill Bit Nozzle Combination On Bottom Hole Flow Field Negative Pressure Pulse
171. On Feeding Mechanics Of Drill Pipe In Ultra-short Radius Turning Inside Casing
172. Research And Application Of The Truck-maounted Drilling Rig On-ground Underbalanced Ges Drainage
173. The Wear Mechanism And Protective Measures Research Of Non-magnetic Drill
174. Research On Drilling Cleaning Theory And Scaling System Design For Water Pipeline
175. Fluid Mechanics Analysis Of Cause With Regard To Erosive Groove On The Drill Pipe
176. Fabrication And Performance Evaluation Of The Brazed Diamond Thin-wall Drills Of Small Diameter
177. Study On High Speed Drilling Of Brittle Thin-wall Graphite
178. Research On Prediction And Prevention About Rock Burst In Stress Concentration Region Of Dongtan Coalmine
179. Study On Complex Helical Drill Grinding Theory And Technology
180. SD Study On Complex Helical Drill Grinding Theory And Technology
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