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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The seismic property of reef flat in the Changxing-Feixianguan Formation, Northwest Sichuan Province, China
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Stress centralization will, in turn, cause a lot of fractures and faults to develop, and ultimately, result in a gas chimney, which is a seismic smear zone beneath or above the reef flat.
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By analyzing the seismic features of all known gas fields, a model to predict carbonate reservoirs has been set up.
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By using data on the 1:100 000 aeromagnetic anomalies of the Sulu orogenic belt, we designed three simulated geotraverses, in which deep seismic reflection and other geophysical investigations have been completed.
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The principal mark of the seismite is the development of all kinds of soft sedimentary deformation structures, such as micro-step fault, intraformational minor fold, deformation, vibrational liquefied sandstone dike and seismic breccias.
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| | The authors divide the effect of the shape of a valley cross-section on the earthquake hydrodynamic pressures into two parts: one due to the solidity ratio s=A/Bh, or the cross-sectional area A divided by the free-surface width B and the depth h, and the other due to the width-depth ratio w=B/H. As the ordinary cross-sections of valleys are essentially symmetric, three basic shapes, namely, rectangle, semi-circle, and isosceles right triangle, are chosen for analysis. Earthquakes in both the longitudinal an... | | 本文研究了河谷断面形式对铅直坝面上地震动水压力的影响。断面形式包括矩形、半圆形和二等边直角三角形,地震方向包括沿河谷的纵向和垂直于河谷的横向。给出了相应的压力分布、总压力和力矩的表示式,并进行了计算。引入了河谷断面充实比数和宽深比数来作为河谷断面形式的代表,并绘出了总压力和力矩系数随此二比数变化的曲线组,以供设计参考。 | | 文摘来源 | | An experiment of digital processing for seismic surface wave dispersion has been, carried out on the machine model 108-B. It consists of: (1) numerical filtering of both constant and variable parameters; (2) techniques of measuring group velocities by using "moving window" and "multiple filtering"; (3) cross-correlation method of measuring phase velocities. Fast Fourier transform has been applied for computing the cross-correlation of seismic surface waves for records at two stations. Beside the... | | 在108-乙型数字计算机上进行了地震面波频散处理方法的试验。包括:(1)参数固定的和可变的数值滤波;(2)测定群速度的“移动窗”和“多重滤波”技术;(3)测定相速度的互相关法。应用了快速傅氏变换计算两个台记录的地震面波的互相关函数。使用数字处理技术分析地震面波频散,除了提高计算速度和便于处理之外,还可扩大测量周期的范围至20—70秒,从此可作出对地壳参数性质的更可靠的测定。 | | 文摘来源 | | A structural vector pattern recognization method and its software system is. developed herein to ascertain the structural shape. The subsurface structure surrounding a well is ascertained by its dipmeter information, while acomplex fault block structure are determined by the dipmeter information of more than one well. Structural contour interpreted and processed by computer has some advantages in real time and structural description. This method is useful to increase the efficiency of rolling exploration an... | | 本文提出的用矢量图组合模式识别法确定构造形态及倾角测井的构造解释软件系统,由一口井的倾角测井资料能确定该井周围构造情况;多口井的倾角测井资料能确定地下复杂的断块构造。计算机的处理和解释提供的倾角测井构造图具有实时性和构造细节描述的特点。对滚动勘探开发中提高钻探、开发效益是有用的。配合地震资料能搞清油藏的构造背景。图6参8 | | 文摘来源 | |   | | << 更多相关文摘 |
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