查询词典 seismic

With the widespread application of high resolution 3D seismic data, seismic geomorphology will be developed rapidly.

目前，该学科正处于其发展早期，尚未形成完备的学科体系，相信今后将会随着高分辨率三维地震数据的广泛应用而迅速发展起来。

Our study shows that the numerical seismic structure is closely related to oil and gas-bearing reservoir, so it is very useful for a geologist or a geophysicist to precisely interpret the oil-bearing layers from the seismic data.

我们的研究表明：地震数据结构与地层含油气性紧密相关，因此对地质和地球物理工作者精确地从地震资料解释含油层是非常有用的。

The present invention can consume the energy of seismic wave and isolate the destroy of seismic wave to ground building.

本发明的优点是将地震波的冲击能量消耗，以保证隔离地震波对地面上建筑物的破坏力。

It is presented concisely the aftermath of earthquakes,seismic behavior in laboratories and relevant code provisions of bracings and gusset plates in the braced frame system,and conception and method for seismic design of gusset plates for ductile performance.

介绍钢结构铰接框架-支撑体系中支撑和节点板的震害、实验室的抗震性能研究、有关规范的规定和具有延性性能的支撑和节点板的设计概念及方法。

It consists of fitting seismic ray traveltimes and positions to data calculated by ray tracing. In order to improve inversion stability and efficiency, seismic ray is described by Hamilton function and ray tracing is done in phase space. Validation tests on synthetic and practical data are analyzed. The tests show that this tomographic method is effective for estimating velocity field in complex media.

为提高反演的稳定性和计算效率，引入了Hamilton函数描述射线，在相空间计算反演所需的射线路径和目标函数对模型参数的导数，对理论模型和实际地震资料进行了试算，试算表明该方法对复杂介质具有较强的适应能力。

The usual traveltime seismic tomography methods are based on ray theory;however,the energy of real seismic signals comes from one Fresnel volume connecting source point and receiving points instead of a hypothetic ray.

传统的走时地震层析方法都是建立在射线理论的基础上，而实际地震信号的能量是来自一个连接激发点和接收点的菲涅耳体，并非单纯地来自于一条假想的射线。

In order to investigate the relation of vertical resolution of seismic reflection with stratum structure and frequency of incidence wavelet, and the relation between the percentage of sandstone and the amplitude and wave impedance of seismic reflection in sand layers, two geological models are developed.

研究地震反射波垂向分辨率与地层结构及入射子波的频率关系和砂层组中砂岩百分比与地震反射波振幅、波阻抗之间的关系。

The main condition of the preferred- plane isolation is the seismic wave passing the fault with direct incident ray. It is the important explaination of why there are various seismic hazard around the fault.

从而阐明了断层在地震震害中表现出复杂现象的根本原因。3、完成了基于优势面控制作用的地震危险性分析方法。

The conventional measures can increase the seismic force acted on the structure while enforcing the seismic resistant capacity of the structure, and incoordinate the relations between the strength and the ductility of structure.

常规抗震加固措施在加强结构的同时，也会增大结构所受到的地震力，很难协调好加固后结构的强度和延性两方面要求。

The seismic qualification for a diesel-generator assembly was performed in analytical way and a finite element model of the diesel-generator assembly including the diesel engine, generator, gear increaser and common under-frame was built. The strength of each component was checked in accordance with the corresponding 1andards and codes and the structure integrity of die diesel-generator assembly under seismic loads was evaluated.

本文采用分析方法对抗震Ⅰ类设备柴油发电机组进行抗震鉴定，对包括柴油机、发电机、齿轮箱和公共底架在内的柴油发电机组建立有限元模型进行抗震分析，并根据相关规范和标准对柴油发电机组各部件进行应力评定和强度校核，对柴油发电机组在地震载荷下的结构完整性作出评定。

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