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- Analcite mineral was found from rock specimen of cretaceous system in the Ordos Basin via using micro-analysis. 通過微觀分析,在鄂爾多斯盆地白堊系鑽孔岩樣中發現方沸石類礦物。
- A drill bit used for obtaining core samples in concrete or rock formations. 鑽頭被用來在水泥或岩層獲取岩芯樣品。
- Analcite mineral was found from rock specimen of cretaceous system in the Ordos Basio vis usiog micro-analysis. 摘要通過微觀分析，在鄂爾多斯盆地白噩系鑽孔岩樣中發現方沸石類礦物。
- For moderate JI, lower strength and the behavior of jointed rock specimen are mainly governed by joint. 當節理傾角適中時，節理岩樣的峰值強度較低，岩樣的行為受控於節理。
- 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. 風洞實驗表明，鵝蛋大的岩石樣塊在每秒20米的風速下，3分鐘便被吹掉一大半。
- With the abasing of the stratum static load, the bulk of the core sample come into expansion. 鑽井岩樣由於地層靜壓力的降低而導致總體積發生膨脹。
- Peak strength, mechanical behavior, and pattern of shear band (SB) of anisotropic jointed rock specimen were modeled by FLAC. 摘要採用FLAC模擬了節理傾角對各向異性岩樣峰值強度、力學行為及剪切帶圖案的影響。
- Finally, the wettability index, WR, for each core sample was determined from the area under this curve. 根據該曲線的下包面積，求出每一岩樣的潤濕指數(WR)。
- For lower or higher JI, the peak strength of jointed rock specimen is higher and the strain-softening behavior is apparent. 當節理傾角較高或較低時，可觀測到應變軟化行為。
- Non-uniform shear dilatancy of rock specimen due to plastic shear strain localization is analyzed considering strain gradient effect. 摘要採用梯度塑性理論，對岩樣剪應變局部化引起的擴容進行了理論分析。
- Squalene was identified in the core sample, which showed that biological methane synthesizing and bacteria function occurred in this area. 同時，多環芳烴中菲系列成熟度參數的分佈反映了該區沉積物成熟度較高。
- 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 壓力桿裝置研究了應力波通過破裂岩石試件的衰減現象。
- There are rock core samples from 1,200 boreholes, plus time-lapse seismic analysis and borehole logging. 有來自1200個地鑿洞中的岩石核心樣本,加上延時地震分析和地鑿洞記錄。
- 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. 通過微觀分析,在鄂爾多斯盆地白堊系鑽孔岩樣中發現方沸石類礦物。
- 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. 採用原子吸收分光光度法對測定鋅精礦中的鋅含量進行了研究。通過實驗,證明該方法干擾少,操作簡便,結果準確可靠,適用於高含量鋅分析。
- Strain localization and macroscopically mechanical behaviors of rock specimen with and without material imperfection in plane strain compression were modeled numerically by FLAC. 在平面應變壓縮條件下,採用拉格朗日元法研究了材料缺陷對岩樣應變局部化及宏觀力學行為的影響。
- 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. 在岩心歸位中,用該方法對測井曲線作插值處理,使測井曲線的縱向解析度與採樣岩心尺寸一致,然後進行相關分析。
- The numerical rock specimen with initially random material imperfections can better model the actual failure process of rock material, while the homogeneous specimen cannot. 含缺陷試樣可以較好地模擬岩石類材料的真實破壞過程，均質試樣（不包含任何缺陷）則不然。
- The second method uses full-diameter core samples in length of 1-1.5 ft. 第二種方法是利用外徑為1-1.;5英尺岩芯樣品。
- 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. 利用渤海地區的A,B,C三個疏鬆砂岩油藏的冷凍取心岩樣及鬆散油砂的壓實岩樣進行了水敏性試驗研究。
