地震

"I was lying in bed and it felt as if someone had just got up from bed next to me," said Hendrick van Eck, 27, of Canterbury about 60 miles southeast of London, I then heard the sound of cracking, and it was getting heavier and heavier.

这种规模的中度地震世界上每年都会发生几千次，但在英国仍非常少见。4 月 28 日的地震是英国自 2002 年中部城市伯明翰里氏 4.8 级地震以来最强的一次。

Some digital records were obtained from 4 small earthquakes, precise hypocenter locations were determined from arrival times an...

利用这些小地震活动期间所得到的数字记录确定了4次小地震震源的精确位置，利用矩张量反演方法求解了这几个地震的震源机制。

In this paper the key points discussed were that, under the condition of a sharp hypsography of desert areas of Ordos basin, we used some new geophysical methods in the investigation of surface structure to obtain high accurate surface structure data and provide reliable scientific foundation for data acquisition and process; we dealt with the optimum coupling of surface geophones and the digital realization technique in desert areas, dug into a method of high frequency compensation according to attenuations by absorption near surface, adopted data processing and correction technique, solved high frequency attenuation and geophone coupling, eliminated the influences of sharply transverse fluctuation of hypsography in desert area on the seismic data, enhanced the fidelity and SNR of seismic section, and finally picked up more geologic information on the seismic profile and improved the precision of the lateral prediction for the reservoir beds.

本文旨在研究鄂尔多斯盆地沙漠区地表变化比较大的情况下，在表层结构调查中通过应用一些地球物理新方法，以获取高精度的表层结构数据，为资料采集和数据处理提供更科学的依据；研究在沙漠区地表检波器最佳耦合的方式与数字实现技术，研究通过近地表的吸收衰减规律进行高频补偿的方法，采用数据处理校正技术，解决高频吸收及检波器耦合，消除沙漠区表层横向剧烈变化对地震资料的影响，提高地震剖面的保真度和信噪比，从而使更多的地质信息能够从地震剖面中反映出来，提高储层横向预测的精度。

The reservoir-induced seismicity is formed due to impoundment, which changes the frequency and intensity of earthquakes at the reservoir area.

水库诱发地震指在水库蓄水后，由于库水作用，改变了库区原有地震活动的频度和强度，而形成的地震。

In this paper, the mathematical relations of these distributions and some features in earthquake sequence are studied.

同时 ，对工程地震和地震预报中常见的危险函数所反映的地震特征作了分析。

Making use of seismic data is able to characterize reservoir, and to improve reservoir management during the development of new fields as well as the infilling well and enhanced oil recovery in old fields. Seismic technique has now extended into production phase from exploration phase.

无论是开发新的油气田，还是在老的油田钻加密井、扩边井，乃至提高油气采收率，使用地震资料均能够较完整地刻画油藏的特征，改善油藏管理，为了适应油气田开发和开采的需要，地震技术已从勘探领域延伸到开发领域，正在逐渐形成一门新的学科——开发地震。

In chapter 4, the prime reasons for the ill-posed inversion are analyzed at first and then the remedy method is described. The basic formula of stochastic inversion method tor impedance with broarband constraint of well log is deduced from basic level.

第二章首先将信号分析中的MA过程的定阶问题引入到地震子波的提取中，发展了利用地震记录的高阶累积量矩阵的特征值的变化估计地震子波的有效长度的方法。

Guided by the theory of sequence stratigraphy, using the data of seismic, drill, well-logging and core, and adopting the multiplex geophysical techniques of well-logging and seismic composite analysis, 3D seismic interpretation, well-logging inversion, isochronism slicing and Stratimagic seismic facies analysis, this paper goes deep into studying some technical problems about the establishment of isochronal sequence stratigraphy framework, the prediction of sedimentary microfacies distribution and the prediction of the subtle reservoirs, and then preliminarily establishes a set of techniques about high resolution sequence stratigraphy research and subtle reservoir exploration, which is guided by the theory of modern sequence stratigraphy and armed with advanced geophysical interpretation techniques.

本文以层序地层学理论为指导，综合利用地震、钻井、测井和岩芯等资料，充分应用井-震综合分析技术、三维地震解释技术、井约束反演技术、等时地层切片技术和Stratimagic地震相分析技术等手段，深入研究了井-震等时层序划分、沉积微相展布及隐蔽油藏分布预测等技术难题，初步形成了一套以现代层序地层学理论为指导，以先进的地球物理解释技术为手段的高分辨率层序地层学研究和隐蔽油藏预测技术方法体系，并将该技术方法体系在四方坨子地区进行了试用，取得了明显成效。

When the isoseismal line or seismic hazard record is missing, both historical earthquake and probabilistic scenario earthquake can not reflect earthquake disaster accurately.

设定地震包括确定性和非确定性设定两种方法，确定性方法基于构造或历史地震，非确定性方法是基于概率危险性方法，用于估计区域或城市未来可能遭遇的地震危险。

The database of STIS contained the coverages of: active fault, destructive event, instrumentally recorded event, isoseismal, seismic belt, seismic potential source, intensity zoning map (1990), city, etc..

STIS中包括的数据图层有：活动断裂、破坏性地震、仪器记录地震、历史地震等震线、地震带划分、潜在震源区划分、区域网格划分、行政区划、城市分布、地震烈度区划图(1990)。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。