This result showed that effective pressure was quite obvious when the liquid was moving in low permeating and porous medium.
实验结果表明，流体在低渗透多孔介质中渗流时，受有效压力的影响明显。
According to the K. Terzaghi's effective pressure principle, analyses the reinforcing mechanism of vacuum and surcharge precompression for soft foundations.
根据太沙基有效应力原理，分析了真空预压和堆载预压加固软基的基本原理。
A new index is proposed to evaluate performance of the air-powered engine-the ratio of the mean effective pressure and the average pressure in the engine cylinder.
提出一个评价气动发动机性能的新指标——气动发动机平均有效压力和缸内平均压力的比值。
During the exploitation process of the coal-seam gas, with the seam pressure decreasing and the effective pressure increasing, the coal-seam permeability declines.
在煤层气开发过程中，随着储层压力下降，有效压力增加，煤储层渗透率下降。
On the base of large experimental data set, the influence of effective pressure on rock velocities is analyzed with regression method and the theory of crack closure.
根据大量的实验资料，本文分析了砂岩样品的纵横波速度和有效压力的关系，对实验结果进行了回归分析，并用裂隙闭合理论进行了解释。
Low permeating and porous medium was taken as an object for study, it can be educed from the experiment that the curve of permeability changed with the effective pressure.
以低渗透多孔介质为研究对象，通过实验得出渗透率随有效压力变化曲线。
Experimental results showed that the effective pressure distribution of the exit section was different and the flow friction decreased due to the influence of film bleeding.
结果表明：通道出口段存在气膜出流与无气膜出流情况相比出口段有效压力分布发生变化，并且使整个通道的流阻下降。
The traditional dilatancy equation of Cam-clay model was modified and the relativity between the phase transformation stress ratio and initial effective pressure was considered.
模型对传统修正剑桥模型中的剪胀性公式进行了改进，考虑了状态转换应力比与初始有效围压的相关性。
After analyzing the limitation of the traditional pore pressure prediction methods, a new method based on the effective pressure theorem and the acoustic velocity model was proposed.
在分析地层孔隙压力预测传统方法局限性的基础上，提出了一种基于有效应力定理和声波速度模型的地层孔隙压力预测方法。
Sequentially, the effective radius of gas extraction and the effective pressure-released radius of pressure-released borehole are calculated by the borehole destroying radius expressions.
所得出的钻孔破坏半径的表达式可用于不同条件下计算瓦斯排放钻孔的有效排放半径和卸压钻孔的有效卸压半径。
On the basis of the predicted results and rock mechanical model, the vertical effective pressure is obtained. Pore pressure of formation can be calculated by using the effective pressure principle.
利用预测结果结合岩石力学模型得到垂直有效应力，最后根据有效应力原理计算地层孔隙压力。
On the basis of the predicted results and rock mechanical model, the vertical effective pressure is obtained. Pore pressure of formation can be calculated by using the effective pressure principle.
利用预测结果结合岩石力学模型得到垂直有效应力，最后根据有效应力原理计算地层孔隙压力。
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