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- Analcite mineral was found from rock specimen of cretaceous system in the Ordos Basin via using micro-analysis. 通过微观分析,在鄂尔多斯盆地白垩系钻孔岩样中发现方沸石类矿物。
- Analcite mineral was found from rock specimen of cretaceous system in the Ordos Basio vis usiog micro-analysis. 摘要通过微观分析,在鄂尔多斯盆地白噩系钻孔岩样中发现方沸石类矿物。
- For moderate JI, lower strength and the behavior of jointed rock specimen are mainly governed by joint. 当节理倾角适中时,节理岩样的峰值强度较低,岩样的行为受控于节理。
- Wind tunnel experiments show that a rock specimen the size of a goose egg will have its better part blown off in 3 minutes in a wind blowing at a velocity of 20 m/s. 风洞实验表明,鹅蛋大的岩石样块在每秒20米的风速下,3分钟便被吹掉一大半。
- Peak strength, mechanical behavior, and pattern of shear band (SB) of anisotropic jointed rock specimen were modeled by FLAC. 摘要采用FLAC模拟了节理倾角对各向异性岩样峰值强度、力学行为及剪切带图案的影响。
- For lower or higher JI, the peak strength of jointed rock specimen is higher and the strain-softening behavior is apparent. 当节理倾角较高或较低时,可观测到应变软化行为。
- Non-uniform shear dilatancy of rock specimen due to plastic shear strain localization is analyzed considering strain gradient effect. 摘要采用梯度塑性理论,对岩样剪应变局部化引起的扩容进行了理论分析。
- In this paper, the attenuation phenomenon of stress wave transmitted through a fractured rock specimen has been studied by the method of the Split-Hopkinson bar. 本文用 Split-Hopkinson 压力杆装置研究了应力波通过破裂岩石试件的衰减现象。
- Analcite mineral was found from rock specimen of cretaceous system in the Ordos Basin via using micro-analysis.Analcite was used to remove sulphate after processing and purifying. 通过微观分析,在鄂尔多斯盆地白垩系钻孔岩样中发现方沸石类矿物。
- Strain localization and macroscopically mechanical behaviors of rock specimen with and without material imperfection in plane strain compression were modeled numerically by FLAC. 在平面应变压缩条件下,采用拉格朗日元法研究了材料缺陷对岩样应变局部化及宏观力学行为的影响。
- The numerical rock specimen with initially random material imperfections can better model the actual failure process of rock material, while the homogeneous specimen cannot. 含缺陷试样可以较好地模拟岩石类材料的真实破坏过程,均质试样(不包含任何缺陷)则不然。
- The failure precursor,acoustic emission and final failure mode are modeled using FLAC for heterogeneous rock specimen with initially random material imperfections in uniaxial plane strain compression. 利用FLAC模拟了含初始随机材料缺陷的岩样的破坏前兆、声发射及最终破坏模式。
- He is still a fine specimen of health. 他仍是健康的典范。
- A writer has found a small deposit of manganese ore and rock specimens flecked with uranium or stained green by copper. 一名作家还发现了一个不大的锰矿堆积体和一些粘染有铀痕迹或者带着铜绿斑痕的矿石标本。
- The results show that peak stress of rock specimens increases with confining pressure. 研究结果表明,岩样的峰值应力都随着围压的增大而增大。
- RFPA was used to study the dynamic spalling process of homogenous and heterogeneous rock specimens under different wave lengths. 数值模拟较好地再现了均匀岩石试样杆在不同应力波波长条件下的不同破坏模式,且数值模拟结果与解析理论结果具有较好的一致性。
- It was a specimen of his generosity. 这是他慷慨大度的一个实例。
- Till now, the testing method for the elastic wave velocity of rock specimens with ultrasonic waves is basically the travel time testing method. 迄今为止,岩石样品弹性波速的超声波测试基本上是采用波动走时的测定方法。
- This is a specimen of the new fabric. 这是新布料的样品。
- You'll be asked to provide a blood specimen. 他们会要你提供血样。