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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。
- A drill bit used for obtaining core samples in concrete or rock formations. 钻头被用来在水泥或岩层获取岩芯样品。
- 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。
- With the abasing of the stratum static load, the bulk of the core sample come into expansion. 钻井岩样由于地层静压力的降低而导致总体积发生膨胀。
- 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。
- Finally, the wettability index, WR, for each core sample was determined from the area under this curve. 根据该曲线的下包面积,求出每一岩样的润湿指数(WR)。
- 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。
- Squalene was identified in the core sample, which showed that biological methane synthesizing and bacteria function occurred in this area. 同时,多环芳烃中菲系列成熟度参数的分布反映了该区沉积物成熟度较高。
- 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。
- There are rock core samples from 1,200 boreholes, plus time-lapse seismic analysis and borehole logging. 有来自1200个地凿洞中的岩石核心样本,加上延时地震分析和地凿洞记录。
- 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。
- Determination of zinc from zincic core sample was studied by flame atomic absorption spectrophotometry. Result showed that the method was sensitive, simple, quick and stable. 采用原子吸收分光光度法对测定锌精矿中的锌含量进行了研究。通过实验,证明该方法干扰少,操作简便,结果准确可靠,适用于高含量锌分析。
- 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。
- In the core normalization,the logging curves are interpolated with this technique so that the vertical resolution of the logging curves is identical with core sample size. 在岩心归位中,用该方法对测井曲线作插值处理,使测井曲线的纵向分辨率与采样岩心尺寸一致,然后进行相关分析。
- 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 second method uses full-diameter core samples in length of 1-1.5 ft. 第二种方法是利用外径为1-1.;5英尺岩芯样品。
- A water sensitivity experiment is made by using a freeze core sample and a compacted sample from a unconsolidated oil sand in 3 unconsolidated sandstone reservoirs A,B and C in Bohai Region. 利用渤海地区的A,B,C三个疏松砂岩油藏的冷冻取心岩样及松散油砂的压实岩样进行了水敏性试验研究。