地震源

用爆炸源和天然地震源对圣安德烈斯断层成像

Imaging the San Andreas fault with explosion and earthquake sources

云南地区地下水动态的地震源兆与场兆特征分析

Analysis of the Characteristics of Source Precursor and Field Precursor of Groundwater in Yunnan

乌鲁木齐地区地下流体中等地震源兆特征的研究

Study on the characteristics of moderate earthquake source precursors in subsurface fluid in Urumqi Area

此时，“悬摆锤”来回摆动引发地动仪内部的杠杆活动，从而触动机关，使得地震源方向的龙头张开嘴，吐出铜球，落到铜蟾蜍嘴中。

This would trigger the release of a ball held in the mouth of the dragon facing the direction of the earthquake 's epicenter . The ball would then fall into the mouth of the frog directly below it .

唐山地震热力源的研究

Investigation on the thermal force sources of 1976 Tangshan earthquake

2000年以来中国大陆5级以上地震近源区的相继发震特征与预测

Characteristics of M ≥ 5.0 Earthquakes Occurring One after Another around Source Area in Chinese Mainland since 2000 and Its Prediction

指出，东濮拗陷区的地震属浅源地震，该区有康氏面存在，地震台可记到清晰的康氏面反射波P。

There is Conrad discontinuity in this area and reflected wave P of Conrad discontinuity can be clearly observed at seismological stations .

采用基于SVD和FCM聚类算法的多站定位方法对两个震例的实测数据前兆信号进行了波矢量分析，并得到地震电磁辐射源的估计位置。

Based on the data of two earthquake cases the detecting of emissions and the analysis of wave vectors have been done with the multi-station location algorithm based on SVD and FCM clustering algorithms , and also the the location of the EM radition source associated with seim is estimated .

电磁振动技术应用于地震勘探激发源的认识

Electromagnetic vibration technology in the application of seismic excitation source

华北地震场和源地壳形变前兆研究

Study on the earthquake source and field precursors of crustal deformation in North China

地震孕育体源流变模型（二）&应变场及其应用

3-D rheologic model of earthquake preparation ( 2 ) . strain field and Its Applications

有关部门说，此次地震属浅源地震，震源深度仅有14公里。

The earthquake measured at a relatively shallow depth of 14 kilometers , authorities said .

地震ELF/SLF辐射源在地面及电离层中产生的场

Fields excited by earthquake ELF / SLF radiator on the ground and in the ionosphere

地震前兆场源关系复杂性初探

Preliminary discussion on the complexity of the relationship between the seismic precursory field and the source

全球主要地震区中源和深源大地震的18.6年轮回

18.6 years cycles of large intermediate and deep focus earthquakes in the world 's major seismic regions

层序格架内有机相的分布模式对利用地震资料进行源岩预测具有重要意义。

This study confirms that the distribution model of Organic factes in a sequence framework is of great significance in predicting petroleum source rocks using seismic data and well logs .

此外，本文还对地震文献情报源使用语种的分布作了统计分析，得出我国地震科技人员使用最广泛的语种。

Finally , the author makes a statistical analysis of the distribution of the kinds of languages used by the information sources of seismological documents , and points out the kinds of languages most often used by researchers .

1991年10月至1992年10月，作者应日本科学技术国际交流中心的邀请在日本邮政省通讯综合研究所工作，与高桥耕三教授共同探讨地震电磁辐射源的机理和信号的传播途径。

From Oct. 1991 to Oct. 1992 , the author was invited by the Japan International Science and Technological Exchange Center to work at the Telecommunication Research Institute of the Ministry of Posts and Telecommunications , together with Prof.

根据定位结果，计算了地震射线的离源角，用观测到的P波初动方向资料在SCHMIDT网上绘制了方向分布图，作出了一组节面。

Based on the location results the off-source angle of seismic ray was calculated , the direction distribution was plotted on SCHMIDT net by observed P wave onset directions , and the nodal plane was suggested .

地震作用下泥石流源区砾石土体强度的衰减实验

Testing Study on strength reduction of gravelly soil in triggering area of debris flow under earthquake

在地球物理勘探中，地震信号的激发源有爆炸震源和非爆炸震源两种。

The excition sources of the seismic signal include explosive seismic source and non - explosive seismic source in the geophysical prospecting .

海底地震环境噪声的源具有随机性，经多次散射的影响，具有与地震界面波相似的频散特性，其分辨率不依赖于震源信息，采样方向均匀，精度更高。

The ambient noise has the dispersion characteristics because of its random sources and the effects of multiple scattering , so the resolution of dispersion is independent of the seismic sources .

从分析美国华盛顿州地震灾害的地震源类型入手，介绍了华盛顿州《桥梁抗震改造计划》。

From the analysis of three main types of earthquakes sources in Washington State the author introduces a statewide seismic bridge seismic retrofit program in the purpose of identifying and retrofitting the seismically vulnerable highway bridges .

通过统计与频域分析发现：爆破地震波在爆源近区的衰减比中、远区要大得多；

Based on the analyses of both statistics and frequency , it is found that the attenuation of seismic waves in the near region away from the explosion source is more abrupt than that in the middle and far regions ;

大同&阳高地震前后地震波速比在源区与场区的变化特征

Variation Characteristics of Vp / Vs Ratios in Source and Field of the Datong Yanggao Earthquake

然后介绍了开工前对地震采集系统、地震信号激发源的测试；施工中设备的日检月检方法和评价标准。

Then introduced the test of seismic acquisition system , seismic source before production and daily test and monthly test methods of equipments and appreciation standards during production .