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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 analysis o,f the seismic response of oil storage tanks has very great significance to the seismic design of such kind of structures.On this article,by applying the theory of velocity potential of fluid flow and theory of elastic deformation of thin shells,the naturalfrequencies and the dynamic responses of the oil storage tanks with small height-diameter ratios supported on the ground which is excited by the horizontal component of an earthquake motion have been analyzed by the finite elemen... | | 储油罐地震反应分析对于这类结构的抗震设计具有重要意义。本文根据流体流动的速度势理论,壳体变形理论,应用有限单元法,着重分析了高径比比较小的地面支承储油罐(包括具有刚性浮顶的储油罐)的固有频率和在水平地面加速度作用下的动力反应。结果表明,即使高径比比较小,其柔性的影响也是不可低估的。 | | 文摘来源 | | The present status of automatic processing of seismic data by the appli-cation of sign-bit correlation and the theory of fuzzy mathematics is revie-wed, with particular emphasis on the enunciation of the theory and practice of velocity spectrum of sign-bit correlation, automatic pickup and automatic amplitude staking of velocity as well as sign-bit stacking. From experiment, it has been proved that in the light of the character of the sign-bit corre-lation spectrum and with the application of the basi... | | 本文重点阐明了符号位相关速度谱,速度的自动拾取及自动实现真振幅叠加、符号位叠加的理论和实践。实验表明,针对符号位相关谱的特点,采用模糊数学的基本理论,综合多种检测方法,即可简捷灵活,极其近似地模拟人工解释速度谱这一过程,从而自动提取速度参数,完成水平叠加处理和其它一些处理。同时可输出速度剖面,使速度的纵横向变化一目了然。符号位处理成功,展现了以高复盖次数、高采样率的全符号位接收和处理,迅速提高地震勘探精度和分辨率的光辉前景,同时也为实现更广泛的以综合解释为目标的反复自动处理准备了条件。 | | 文摘来源 | | The paper, based on a theoretical analysis of the seismic stress computation formulas for buried pipelines of various countries, introduces some reasonable formulas. The author has had them tested by applying them to Qing Huang Dao-Beijing pipeline in Tang Shan earthquake, ezplaining the considerable deviations made by other formulas.Whether the formulas presented here in the paper really hold water need be futher justified by more earthquake damage cases. But they are of solid ground theoretically, t... | | 本文在分析了已收集到的世界各国埋地管道地震应力计算公式的基础上,提出了合理的计算公式。并将这些公式用于唐山地震中秦皇岛—北京输油管道震害验算。验算结果说明某些国外的计算公式存在着较大的偏差。 文中所推荐的公式是否最为合理,需要通过更多的震害实例进行验证。推导的公式在理论上是有根据的,计算结果与唐山震情较为符合。 | | 文摘来源 | |   | | << 更多相关文摘 |
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