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地震转换波法
相关语句
  seismic changing wave method
     SEISMIC CHANGING WAVE METHOD TO PROSPECT CRUST AND UPPER MANTLE STRUCTURE IN HAICHENG SEISMIC AREA
     地震转换波法探测海城震区地壳上地幔结构
短句来源
     In order to study the prospecting effect of seismic changing wave method, and to increase the informations on deep cnust and upper mantle structure in Haicheng seismic area, two sounding profile of changing wave weve arranged along DSS profik in this region.
     为了研究地震转换波法的探测效果,增加海城震区地壳深部及上地幔结构的信息,在辽南海城震区沿深地震测深剖面布设了两条转换波测深剖面.
短句来源
  “地震转换波法”译为未确定词的双语例句
     APPLICATION OF SEISMIC CONVERTED WAVE IN EXPLORATING DEEP CRUSTAL STRUCTURE IN LIAONING PROVINCE
     地震转换波法在研究辽宁深部构造中的应用
短句来源
     Seismic converted wave is one of methods of explorating earth crust and upper mantle.
     地震转换波法是探测地壳与上地幔构造的方法之一.
短句来源
  相似匹配句对
     APPLICATION OF SEISMIC CONVERTED WAVE IN EXPLORATING DEEP CRUSTAL STRUCTURE IN LIAONING PROVINCE
     地震转换在研究辽宁深部构造中的应用
短句来源
     SEISMIC CHANGING WAVE METHOD TO PROSPECT CRUST AND UPPER MANTLE STRUCTURE IN HAICHENG SEISMIC AREA
     地震转换探测海城震区地壳上地幔结构
短句来源
     SEISMIC PROCESSING METHOD OF 3D CONVERTED WAVE
     三维转换地震资料处理方
短句来源
     Use of P-wave and S-wave in Porosity Prediction with Seismic Data
     地震预测孔隙度
短句来源
     Seismic converted wave is one of methods of explorating earth crust and upper mantle.
     地震转换是探测地壳与上地幔构造的方之一.
短句来源
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This paper describes the structural profiles showing the main boundaries of earth crust and upper mantle, such as the boundary of granitic layer (G), the Conrad boundary (C), the Moho discontinuety (M) and the boundaries M1 and M3 in the upper mantle. They are constructed by using a method of converted seismic waves in the Be-ijing-Tianjin-Tangshan region.Three of them show the existence of a deep-seated structure zone of WNW trend in the study region. Along this zone uplifted boundary G, concaved boundaries...

This paper describes the structural profiles showing the main boundaries of earth crust and upper mantle, such as the boundary of granitic layer (G), the Conrad boundary (C), the Moho discontinuety (M) and the boundaries M1 and M3 in the upper mantle. They are constructed by using a method of converted seismic waves in the Be-ijing-Tianjin-Tangshan region.Three of them show the existence of a deep-seated structure zone of WNW trend in the study region. Along this zone uplifted boundary G, concaved boundaries of M1 and M3 in the upper mantle and thicked basaltic layer exist.The comparision of deep-seated structures with the distribution of earthquake epicenters in this region indicates that most of strong earthquakes occurred at the crossings of WNW trending and NE trending structural belts, where the depth of boundaries G, M1 and M3 has a sharp change. And the hypocenters of these strong earthquakes are located in granitic layer.

本文介绍在京津唐地区利用地震转换波法所测得的地壳、上地幔主要深部界面构造图以及地壳下层(玄武岩层)厚度分布图。将深部构造与本区震中分布进行了对比,指出了强震震源区的深部构造特征。

This paper discribes the results of preliminary study on the structures of earth's crust and upper mantle surrounding the Dayawan gulf inferred from converted waves. Three observed profiles have been completed, with a distance of about 5-10km between observed points by use of 3-component short period seismograph, type DD-1 made in China. During about two months 60 distant earthquakes have been recorded to provide a number of available data for analysis of P to SV converted waves.Two stable groups of PS waves...

This paper discribes the results of preliminary study on the structures of earth's crust and upper mantle surrounding the Dayawan gulf inferred from converted waves. Three observed profiles have been completed, with a distance of about 5-10km between observed points by use of 3-component short period seismograph, type DD-1 made in China. During about two months 60 distant earthquakes have been recorded to provide a number of available data for analysis of P to SV converted waves.Two stable groups of PS waves can be recognized in this region: PSC and PSM from the boundary of earth's crust. 1-2 groups of PS converted waves from upper mantle have been picked up as well, although they were shown unstable.Three cross sections of deep-seated structures have been made up along profiles. The Moho discontinuity and the boundary C in the crust can be determined and average depth of boundary C and M ranges from 12 to 14 km and 28 to 30km, respectively.Based on above-mentioned seismic cross sections we can outline the isobathy line map of boundary C and M for this region. On the map in question , evident is major feature of the local uplift in the central of the region, with a trend of NE and an amplitude of 2-3km. In correspondence with the Moho uplift, there is a local depression in isobathy line map of boundary C.The following conclusions can be drawn:1. Method of PS converted waves can be used efficiently for investigating the deep-seated structures in South China as well as in North China;2. The deep-seated structures in seismically passive zones of the Dayawan gulf are very different from those of the active zones in North China. The deep-seated structures in the region of the Dayawan gulf are characterized by smooth distribution of deep-seated boundaries, less change of layer thickness and a few faults on the boundary.

在广东大亚湾周围地区,采用地震转换波法取得了该区地壳和上地幔结构的初步研究结果。在大亚湾地区的地壳中只能分出一个中间界面(界面C)和莫霍界面(M)。本区为两层地壳,地壳厚度为28—30公里。地壳和上地幔界面埋深变化不大,深断裂不发育,本区深部构造特征与地震活动性较高的华北地区相比有较大差别。

This paper describes the structural profiles across such main boundaries between earth's crust and mantle as: granitic layer (G), inner granitic layer (G1), Conrad boundary (C), M discontinuity (M), and M1 and M3 in upper mantle, for which a coverted wave has been used in the study area (E118°56′- 119°40′, N31°10′ - 31°50′).The results obtained indicate that NE-trending structures are dominant beneath this area, and then NW-trending structures. The deep faults have been well developed and the two shocks have...

This paper describes the structural profiles across such main boundaries between earth's crust and mantle as: granitic layer (G), inner granitic layer (G1), Conrad boundary (C), M discontinuity (M), and M1 and M3 in upper mantle, for which a coverted wave has been used in the study area (E118°56′- 119°40′, N31°10′ - 31°50′).The results obtained indicate that NE-trending structures are dominant beneath this area, and then NW-trending structures. The deep faults have been well developed and the two shocks have occurred at the granite layer.It has been concluded that the earthquakes tend to have occurred along the edge of . the uprising zone or along the gradient zone where the depths to the boundaries vary , abruptly or at the intersections of the deep fault in different directions.

本文利用天然地震转换波法所测得的漂阳震区地壳深部主要界面的构造图。简要地讨论了溧阳震区深部构造与震中分布的关系,认为溧阳两次中强地震都发生在较厚的花岗岩质层中,其深部构造特征表现为上地幔隆起、或界面埋深变化剧烈的梯度带,同时又处于两组以上深断裂交汇的特殊部位。

 
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