您要查找的是不是：
- Study on the Correlation Between Borehole Surrounding Rock Damage and Drilling Fluid Density 钻井液密度与井壁围岩破坏的关系
- Surrounding rock damage 围岩破坏
- It is possible to use Gurit without damaging the surrounding rock. 使用古力特炸药将完全可能不造成对围岩的破坏。
- The finite difference software FLAC3D for Fast Lagrangian Analysis of Continua was applied to study and analyze the deformation and damage process of surrounding rock. 通过有限差分方法(FLAC(上标3D))对围岩变形、破坏过程进行分析研究。
- From the point of whole creep process, long-term strength and energy dissipation, this paper analyzes the creep damage characteristics of wreak surrounding rock. 摘要从岩体的蠕变全过程、长期强度和能量耗散的角度，分析软弱围岩的蠕变损伤特性。
- The drilling fluid may interact with the surrounding rock in other ways. 钻井液可能会以其它方式与周围的岩石相互作用。
- If the volcano becomes inactive and cools, surrounding rock may be worn away. 如果火山变得不活动并冷却下来，围岩就可能被剥蚀掉。
- Their use made the design of roadway surrounding rock supporting safer. 这些结果的应用使巷道岩石支护的设计更趋于安全。
- A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock. 内变质作用由于周围岩石同化作用而在侵入火成岩内部产生的变化
- In rock mass, there exists rock damage expressing in the form of small opening, air-bubble, fracture, cleavage etc. 岩石中含有以孔隙、气泡、微观裂隙、节理面等形态表现出来的岩石损伤。
- The evolution regularity of microproe and constitutive relation of rock damage is discussed. 在此基础上,讨论了微空隙的扩展和演化率,以及损伤本构关系。
- Optical fiber sensor is embeded in rock layer of model to find premonitory information of rock deformation and the process of rock damage with mining. 在模拟矿山开采引起的岩层运动时,将光纤传感器埋入模型的岩层中,研究采用光纤传感技术监测岩体变形的理论和技术。
- The Relations Between Rockburst and Surrounding Rock Stress in Underground Chambers. 地下洞室中岩爆与围岩应力的关系。
- It is difficult to detect the absolute density of rock by CT image in quantitative analysis of rock damage process in compression. 用 CT图像定量分析岩石受力损伤破坏过程的难点 ,是难以知道岩石内部的绝对密度变化量。
- If the surrounding rock is soft and is later worn away, the walls remain and form ridges called dikes. 如果围岩柔软,日后又被剥蚀掉,这种岩壁就下来形成山脊,称为岩墙。
- In the drilling construction of submarine tunnel,the damage and fragment of surrounding rocks must be induced by blasting vibration to endanger the safety of tunnel construction. 海底隧道掘进爆破开挖岩石的过程中,爆破振动必然会对隧道覆盖岩石造成损伤和破坏,危及隧道施工安全。
- On the Relation between Alteration of Surrounding Rock and Gold Mineralization in the Xinchen Gold Ore Deposit. 浅谈新城金矿床围岩蚀变与金矿化的关系
- Based on the experiments of exploding on the surface of the cement sample, the phenomenon of the rock damage and fracture by shock waves in exploding was simulated. 摘要通过水中爆炸波对水泥试样的损伤破坏实验来模拟水力裂缝层内爆炸采油中激波使岩石损伤开裂的现象。
- The present method could make the supporting of roadway surrounding rock safe and economic. 按最优恒阻支护计算方法设计巷道支护，可以达到经济且安全的最佳支护效果。
- A small rounded lump of a mineral or mixture of minerals, usually harder than the surrounding rock or sediment. 矿的结核一种矿物或矿物混合物的小圆块，通常比表层岩石或矿渣坚硬
