查询词典 seismic

Since development of volcanic layers and volcanic mounds in basement in Tazhong area, using seismic exploration is usually difficult to acquire better seismic data in the interior of vocatine and below(mainly caused by shield of volcanic layer), but using MT exploration may not produce such problem, because the electromagnetic wave does not suffered from the shield of higher resistance layer; especially the volcanite has the feature of higher magnetic susceptibility and impedance, which provides excellent c...

由于塔中地区的火山岩层及基底火山岩丘发育，采用地震勘探方法通常难以在火山岩内部及其以下获得比较好的地震资料(主要是火山岩层的屏蔽作用)，而利用MT勘探则无此问题，因为电磁波不受高阻地层屏蔽，尤其是火山岩具有高磁化率和高电阻率的特征，从而为在该区应用大地电磁和磁力方法识别火山岩薄层及基底火山岩丘提供了得天独厚的条件。

Better numerical prediction of the distributions of shear forces and bend moment within the pile group has also been obtained with the consideration of many stochastic parameters such as the soil properties of sea warf, seismic properties, etc. And then we analyze the dynamic nonlinear seismic pile-soil interaction in sea warf as an example to apply the software of ANSYS to the assessment of the dynamic interaction of soil-structure in the harsh situation of random earthquake. And then we denoted that the soil-pile interaction is too difficult to be expressed in equations because the non-linear interaction between soil and pile.

5桩基由于其本身的优点得以在海洋码头结构中大量的运用，但是海洋码头结构在海洋环境下受多方面的影响，土与桩体的相互作用关系很难清楚的表达，由于影响因素的多样性及复杂性，以及它们与桩基性状之间的非线性和非确定关系，使得关于桩基性状的各种理论解答还不能采用简便的表达式以反映其复杂多变的机理，尤其是难于反映施工及环境因素对桩基性状的影响，而且如何发挥桩基的技术经济效益和如何合理的确定桩的极限承载力，也是一个技术难度很大的问题。

The time service equipmentSFS-Ⅱ for the telemetric seismic networks is an advanced product developed for analogue telemetric seismic networks in 199 3 following the clock 768 which was invented and produced by the State Seismolog ical Bureau of China in 1970s.

SFS-Ⅱ遥测地震台网时间服务设备是继国家地震局于70年代投资研制的&768&钟站后，为模拟遥测地震台网研制并投入小批量生产的换代产品。

The results indicate that, at the level of 10% probability of exceedance in a 50-year period, peak acceleration in Changde area is largest,the areas where PGA0.5m/s2 have been obviously broadened,and the regions where PGA1m/s2 in the central and southern hunan area have been aggrandized, on the contrary,peak acceleration in Yueyang area is lower than current seismic hazard map of China,the peak ground motion distribution patterns in each metropolitan city of the North China are consistent with current seismic hazard map of China.

本文的结果表明，在50年10%超越概率下，常德地区的峰值加速度最大，区内峰值加速度大于0.5m/s-2的区域面积明显扩大，大于1m/s-2的区域在湖南的中部和南部有所增加，岳阳地区峰值加速度偏小，但本文所得的峰值加速度分布趋势与中国地震动参数区划图基本一致。

The comparison analysis of narrow anti wide azimuth seismic data in mountain front areas of Turpan Basin, western China, shows that the observation direction bevelling the direction of faults or fault zones will cause the imaging loss of small faults, and the little fault will be poorly imaged in seismic data.

通过对中国西部吐鲁番盆地北部山前带的宽、窄方位角地震数据进行对比分析研究表明：不同窄方位观测时，由于观测方向与断裂走向斜交存在较为严重的构造假象，并造成小断层难以成像。

Seismic imaging in Northeast Sichuan is greatly influenced by the widely distributional carbonate,strata juxtaposition with swelling and concaving,superimposition and connection between different wave fields,complex interlayer contact conditions,static corrections, high and steep structure ,as well as rapid change of seismic velocity in the area.

针对川东北地区碳酸盐岩高度发育，地层隆凹相间，各种波场交叉叠置，层间接触关系复杂，以及静校正问题、高陡构造及速度变化快等影响因素突出的特点，通过分析地表因素、有效波频率、静校正量及膏岩层效应对地震资料品质和成像的影响，研究和开发出三维折射波静校正以及构造建模层速度约束偏移成像等一系列处理技术，消除了众多因素对地震成像的影响，并在宣汉达县地区得到良好的应用效果，为普光特大气田的大规模开发奠定了基础。

It is concluded that fragility analysis can be used together with the performance based seismic evaluation method, which is conduced to realize the seismic performance of buildings accurately and systemically.

计算分析表明，利用本文建立的易损性曲线可方便有效的对不规则钢筋混凝土框架结构的抗震性能进行评估。

First of all, for the geological features of mud enwrapping sand, seismic features of shallow buried depth, low formation velocity and high resolution of delta front belt, the strong amplitudes of mouth bar sand and underwater distributary channel sand have been clearly recognized with the help of amplitude attribute slice of high-fidelity 3D seismic data along the formation, i.e.

首先针对松辽盆地三角洲前缘相带泥包砂地质特征及埋藏浅、层速度低、分辨率高的地震特征，利用高保真三维地震资料沿层振幅属性切片，有效地识别出了河口坝和水下分流河道砂体的强振幅地震反射特征，即砂岩储层的地震&亮点&特征。

The method adopts the basic thought of lateral prediction of reservoir, combine logging and seismic data, builds the nonlinear mapping model of neural network between seismic attributes and sonic logging and then extrapolates sonic curves then predicts formation pressure ahead of bit.

该方法引用储层横向预测的基本思路，将测井与地震相结合，通过建立地震属性与测井声波之间的神经网络非线性映射模型，进而反推井底以下声波曲线并预测地层压力。

While the interferometric migration method migrates cross-correlated seismic data, the data-referenced-only migration method has no such apparent procedure. It extrapolates different parts of the recorded seismic wavefields and these extrapolated wavefields are referred to each other during imaging.

地震相干偏移是用地震数据的互相关处理后的数据进行偏移，而数据自参照偏移则不必在偏移前对数据进行互相关处理，而是通过记录数据中的两个不同部分波场的延拓来互相参照进行偏移。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。