1.
CONTROL OF POWDER DUST POLLUTION IN THE UNDERGROUND CRUSHING STATION OF A COOPER MINE IN ANHUI PROVINCE
安徽某铜矿井下破碎站粉尘污染治理
2.
Theoretical and Experimental Study on Selective Crashing and Separation of Coal and Gangue Below Ground;
煤和矸石井下破碎分选理论及实验研究
3.
Point at the problems existing in the operation procedure of underground breakers, this paper presents some detailed measures about improving breakers.
针对井下破碎机使用过程中存在的问题，提出改进破碎机的一些具体措施。
4.
The Effects of Ambient Pressure on Wellbore Crushing Effect Under Explosive Fracturing
爆炸压裂下围压对井壁破碎效果的影响
5.
Shaft Construction with Water Gushing under Soft and Cracked Surrounding Rock
大涌水松软破碎岩石条件下的竖井施工
6.
Study on Rock-breaking Rule in Deep Wells and Rock-breaking Fractal Mechanism;
深井岩石破碎规律及破碎的分形机理研究
7.
SYNTHETIC GEOLOGICAL PREDICTION AHEAD OF THE CONSTRUCTION OF COAL TUNNELS UNDER THE CONDITION OF SHATTERED WALL ROCK
破碎围岩条件下井巷工程综合超前地质预报实践
8.
Continuous miners have wheelor chain-cutting surfaces that break up the exposed face of the deposit and transfer the ore to the system that removes it from the mine.
联合采矿机的轮盘式或链式刃面使矿壁破碎，它还可把矿石送到井下运输系统。
9.
Combination Support Technology Used in Liangbaosi Wear Layer Broken Mine Roadway
梁宝寺矿井破碎穿层巷道组合支护技术
10.
Study and Application of Bolt and Grouting Coupling Support Technique in Broken Soft Rock Roadway
破碎软岩斜井巷道锚网喷注耦合支护技术
11.
Application of Anchored Bolt and Grunting Combined Supporting Broken Surrounding Rock of Slope Mine
斜井破碎围岩锚注联合加固技术应用研究
12.
Study on Mechanism of Work Together of Rock and Wall in Broken Rock Band
基岩破碎带围岩与井壁共同作用机理研究
13.
Bottomhole Stress Analysis and Breaking Mechanism Research in Underbalanced Drilling
欠平衡钻井井底岩石应力状态分析和破碎机理研究
14.
Both will break at the same critical state of stress.
两者将在相同的临界压力状态下破碎。
15.
Falling raindrops break up through hydrodynamic effects.
下落雨滴由于流体动力作用而破碎。
16.
The Numerical Simulation of Different Material s Crushing Processes under Impacting Loads;
冲击载荷下不同材料破碎的数值模拟
17.
Damage form research of shaft sidewall under local load
局部荷载作用下立井井壁破坏形式研究
18.
Development and Application of Basket Barrel Overshot of Breakage Oil Pipe in Water-Oil Well
油水井井下破损油管打捞筒研制与应用