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- break rock mechanism 破岩机理
- A pointed tool, such as a spike or chisel, used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具
- Rock Mechanics and Rock Engineering. 岩石力学与工程学报。
- Consisting of broken rock, coal, or ore moved from its place of origin. 碎屑状的由从开采地移来的破碎的岩石、煤块或矿物组成的
- Static fracture agent, after all, is one way to break rock and concrete in complicated surroundings and unable blasting condition. 在环境复杂且不能施爆的情况下,用静态破裂剂破裂岩石或混凝土不失为一条捷径。
- Petroleum Related Rock Mechanics ERLING FJAER,RUNE M.HOLT. 周维垣主编.;高等岩石力学[M]
- Remote Sensing Rock Mechanics (RSRM) is a new interdiscipline. 遥感岩石力学(RSRM)是一门新兴的交叉科学。
- This method takes the detritus returned from bottom hole as the studying object.The fractal mechanism and forming process of broken rock during drilling were studied. 对石油钻井过程中岩石破碎的分形机理及形成过程进行了研究,提出了一种以井底返出的岩屑为对象测试岩石可钻性的新方法。
- It can break rock to drill by using multiple nozzles to form multiple jet flow, and have efflux energy distribution characteristic of local conformity and integer stack. 采用多孔喷嘴形成多股射流组合,使射流能量分布具有局部集中和总体叠加包络的特点,能够有效地实现破岩钻孔。
- Abstract: Remote Sensing Rock Mechanics (RSRM) is a new interdiscipline. 摘 要: 遥感岩石力学(RSRM)是一门新兴的交叉科学。
- Consisting of broken rock,coal,or ore moved from its place of origin. 碎屑状的由从开采地移来的破碎的岩石、煤块或矿物组成的
- A pointed tool,such as a spike or chisel,used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具
- A pointed tool, such as a spikeor chisel, used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具。
- The machine must break down at this busy hour. 正忙的时候,机器偏偏又坏了。
- HOU Chao-jiong, GOU Pan-feng.The supporting consolidation mechanism research on the laneway anchor[J].Chinese Journal of Rock Mechanics and Engineering, 2000, 19(3): 342-345. [5]侯朝炯;勾攀峰.;巷道锚杆支护围岩强度强化机理研究[J]
- Pneumatic hammer drilling technology with low wob,low rate of revolution and high capacity to break rock is one of the best effective methods to solve the problems of hard rock drilling. 空气锤钻井是一种低钻压、低转速、高冲击破岩回转钻进技术,它兼容了气体钻井和冲击回转钻井的优势,其机械钻速一般比回转钻井高,是当今解决硬岩钻井难题的一种有效方法。
- Author especially mentions the application of soundless breaking agent to break rock in riverbed to ensure the safety and reliability of construction. 对玉门沟油库穿越河床段输油管道从施工准备到施工方法上进行了详细论述,并对施工的整个过程由修筑临时道路到管道沟槽开挖。
- AE(Acoustic Emission) is an important technique in rock mechanics and experimental seismology. 声发射(Acoustic Emission,缩写为AE)技术是现代岩石力学和实验地震学的一种重要手段。
- The Numerical Manifold Method (NMM) is one of important numerical methods to model rock mechanics problems at present. 数值流形方法是目前岩石力学分析的主要方法之一.
- The blasting efficacy of break rocks by water coupling charging and explosive coupling charging is discussed in the paper. A few conclusions of significance are gotten. 从理论上对水介质偶合装药爆破与炸药偶合装药的破岩效能进行了讨论,得出一些有意义的结论。