查询词典 seismic

By studying,we could know structural response of building to blasting seismic wave is not only relative to intensity of blasting vibration, but also to seismic frequency and characteristic of buliding and groundsill,so we should treat in different ways in practise because of difference made by blasting seismic wave to different structural types.

最后围绕爆破地震波的三要素通过建立理想的建筑模型对建筑物的结构响应进行了理论分析，通过分析得出，建筑物对爆破地震波的响应除了与震动强度有密切关系外，还与地震波频率、建筑物的尺寸、地基土的特性以及结构的累积损伤等有很大关系，而且对于不同类型的建筑物，其结构响应差异还较大，因此在工程施工中需要分别对待。

According to the characteristics of seismic reflection such as amplitude, continuity, interior structures and exterior shapes, seven seismic facies, including medium amplitude medium continuity and parallel or sub-parallel sheet facies, disorderly filling facies, disorderly progradation facies, hummocky facies, weak amplitude and medium continuity wedge facies, weak-variable amplitude and poor continuity wedge facies, and broom progradation facies, are recognized from the seismic reflection corresponding to Member 2 of Kongdian Formation which is prospective for oil and gas exploration.

利用地震反射波的振幅、连续性、内部结构和外部形态等地震反射特徵，在具有油气勘探前景的孔二段的地震反射中识别出了中振幅中连续亚平行席状相、杂乱充填相、杂乱－斜交前积相、丘状相、弱振幅中连续楔状相、弱变振幅低连续楔状相及帚状前积相等七种地震相。

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。

In order to enlarge capacity building size and to enrich exploitation seismic interpretation methods, gamma log curve without container rock velocity information and resistivity logging curve were converted to realize the purpose of seismic inversion as pseudo sound wave curve, and to make the seismic inversion data volume have information of shale content and oiliness and help to predict the sandstone thickness and oiliness of reservoir bed.

为扩大油田产能建设规模、丰富开发地震解释方法，本文把不具备储层速度信息的伽玛曲线、电阻率曲线通过一定的转换，实现作为伪声波曲线进行地震反演的目的，使地震反演数据体加入泥质含量及含油性两种信息，有助于进行储层砂岩厚度预测及储层含油性预测。

By man-computer interaction technique, data are selected from crossing-well seismic lines to construct synthetic seismic records, and 20 seismic characteristic parameters are taken to identify igneous rocks by neural network techniques to construct the structural map of their top and bottom.

通过人机联作解释技术抽取联井地震测线、制作合成地震记录，提取了20种地震特征参数，采用神经网络判识技术识别火成岩，编制出火成岩等厚图和顶面、底面构造图。

According to the variance module and resolution after deconvolution, the ideal mixed phase wavelets may be extracted from the wavelet gatherings with the same amplitude spectrum and different phase spectrums finally. Therefore the target for raising the resolution of seismic records can be attained by the determinacy wavelet deconvolution. Through the wavelet extraction tests for theoretic synthetic records and actual seismic data and the processing of enhancing resolution of seismic data by use of the wavelets extracted, it was shown that such a method is correct and effective.

依据反褶积后地震记录方差模大小和分辨率情况，最终从一系列相同振幅谱不同相位谱子谱集合中确定理想的混合相位子波，通过确定性子波反褶积达到提高地震记录分辨率的目标对理论合成地震记录和实际地震记录进行了子波提取实验，并利用提取的地震子波对地震资料进行了提高分辨率的了处理，实验结果表明了该布法约正确准和有效性。

In most cases, time-lapse seismic is taken by repeated 3D seismics,so it is also called 4D seismics.There are many other time-lapse observation methods besides the 3D time lapse seismic such as time lapse 2D seismics,time-lapse cross hole seismic,time-lapse VSP etc.

由于大多数情况下，时移地震都是通过重复三维地震进行的，因此国内外很多学者也将其称为四维地震，除三维时移观测外，还有很多其它的时移观测方法，如时移二维地震、时移井间地震、时移VSP等。

This dissertation discusses four problems that have relations with these topics. These problems are, i seismic moment tensor representation for explosions in ellipsoidal cavities and their seismic radiation patterns in the farfield; ii seismic waves from point sources in transversely isotropic media; iii yield-estimation by mb or mb for Chinese underground nuclear explosions and, iv simultaneously inversion for source parameters of underground nuclear explosions and parameters of apparent Lg Q for paths from source to stations.

本文讨论与此课题有关的椭球腔中的爆炸的地震矩张量表示及地震波辐射图案，各向异性介质中的点源激发的弹性波，由Lg波震级或Lg尾波震级估算地下核爆炸当量，由Lg波位移谱反演地下核爆炸震源参数及相关路径的Lg波视衰减参数等四个方面的问题。

Considering the difference of earthquake intensities in both sides of the fault zone, artificial earthquake waves were simulated by trigonometric series method with different seismic peak accelerations. Then the seismic failure numerical analysis was carried out, the weak areas of seismic failure and their reasons were discussed particularly.

考虑到断裂带两侧地震强度的区别，采用三角级数法模拟人工地震波时选用不同的地震峰值加速度，然后对其进行地震破坏数值分析，重点讨论了桥梁地震破坏的薄弱部位及其破坏原因。

According to the principle of seismic refraction method, the formulas o f the depth and the thickness of the high-speed masses of rock are established using seismic refraction wave reversed and unrepressed time-distance curve and seismic refraction wave raypath theory in this paper.

根据浅层折射波方法原理利用浅层折射波相遇时距曲线与折射波射线路径关系建立了求取浅层高速埋伏岩体的埋深及其厚度的计算模式，利用这些公式可以较准确地确定高速埋伏岩体的位置、埋深及其厚度，对工程地质勘察是十分有利的。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失