大地电场

在以碳酸盐溶洞型储层为主的塔中式油田，大地电场岩性测深技术可能发挥较好的作用。

In TaZhong oil field mainly with carbonate cave reservoir , sounding technology of telluric electricity field plays a great role .

临清地热勘查中的大地电场岩性测深与测井曲线对比研究

Contrast Study between the Method of Telluric Electricity Field and Logging Curve in Lithology Sounding of Geothermal Exploration in Linqing City

地震前后大地电场E的方位发生转动；

The direction of the telluric field rotated .

大地电场E具有日变倍9（天）周期性和振幅｜E｜变化特征；

The daily variation of the telluric field E had per 9 ( days ) periodicity , and the amplitUde | E | showed abnormal changes .

蒙城大地电场观测资料的初探

The preliminary identification of observed data of geoelectric field in Mengcheng

大地电场矢量方向角α变化大。

The orientation angles of telluric field change largely in all days .

引起大地电场变化的一些因素

Some factors causing the earth electric field to change

大地电场铅电极的研制

The research of lead electrode for earth electric field

震前大地电场的前兆及其机理

The precursor and mechanism of telluric field before earthquake

嵌入式系统在大地电场岩性探测仪中的应用

Embedded System Applied in Geoelectric Field Lithology Detecting Apparatus

大地电场岩性探测技术在咸阳地区地热勘探中的应用

Application of the Earth Electric Field Lithology Detection Technique to Xianyang Geothermal Exploration

大地电场观测深埋铅电极测量系统试验

Test for the observational system of earth electric field with deep burying lead electrode

地电化学提取法仪器大地电场观测地震前兆异常提取技术研究

Research on the technique of extracting seismic precursory anomaly from telluric electric field observation

大地电场岩性探测在油气勘探开发中的应用

Application of Geoelectric Field Lithology Detection Technology in Oil and Gas Exploration and Development

范围65.5-大地电场日变化特征

Range from Daily Variation Characteristic of Geoelectric Field

大地电场岩性探测仪在地面接收来自地下不同深度的电磁波信息。

The detection instrument receives the information of electromagnetic wave from different underground depth at surface .

瞬变电磁与大地电场岩性法探查采空区的应用

Application of transient electromagnetic and earth electric field lithology law in exploration of mine out space

在临清市几个地热勘查项目工作中应用了大地电场岩性测深技术，主要用于了解深部热储层的含水情况，选定地热井井位，取得了较为理想的结果。

Lithology sounding technology of telluric electricity field is applied in geothermal exploration in Linqing city .

岩石变形、破裂和磨擦、介质极化生电可能是大地电场前兆机理之一。

The deformation 、 rupture and friction and media polarization are one of the reasons of the telluric precursor .

南京地震台的大地电场观测场地建设及对其初步观测资料的分析

The building of the telluric field observation site of the Nanjing Seismic Station and the analysis of the preliminary observation data

天祝大地电场异常与1995年永登5.8、1996年天祝5.4级地震

The geoelectric field anormaly of Tianzhu and relationship with Yongdeng earthquake ( m_s5.8 ) in 1995 and Tianzhu earthquake ( m_s5.4 ) in 1996

近几十年来，大地电场（电流）观测方法和地震预报的实践，证实地下电场磁场临震前兆是存在的。

It has been confirmed that the earthquake precursors of underground electromagnetic field are existent through the underground electronic field / current observation method and the practice of earthquake forecast for several decades .

通过对安徽省蒙城台2002年地电场分钟值数据的处理分析，结果认为该台可以清晰地记录到大地电场的正常日变化、电磁暴；

Minute value data of geoelectric field at Mengcheng Station in Anhui Province in 2002 have been analyzed and processed . The results indicate that clear normal daily variation and electromagnetic storm have been recorded ;

对河北省4个电场台站3年多的大地电场资料进行了全面的分析、整理，总结出引起大地电场变化的一些因素，这对我们认识资料有所帮助。

Earth electric field data recorded in four earth electric stations in Hebei province for more than 3 years are processed and analyzed comprehensively . Some factors causing the earth electric field to change are summarized .

南京基准地震台于199806建立了大地电场观测系统，同年开始观测。

Data recorded at the former earth resistivity observation site of the Nanjing Seismic Station and related examples of earthquakes A telluric field observation system was established in Nanjing Seismic Station in June 1998 . The system began its observations that year .

深埋铅电极的大地电场观测资料在长期稳定性上优于固体不极化电极；而观测数据的内在观测质量也高于浅埋铅电极。

The results show that the observation data of lead electrode are consistent with that of non-polarizable electrode in short period , and the stability of the data from deep burying lead electrode excels solid non-polarizable electrode , and its inherent quality also excels shallow burying lead electrode .

在准静态近似条件下，分别推导了水平电偶极子在空中和大地的远区电场闭合表达式，并以此作为有限元计算中的外边界条件，解决了边界条件加载的困难。

In quasi-static conditions , the closed expressions far from source in the air and the earth is derived for electric dipole source , and by using it as the outer boundary conditions of the finite element method , difficulties in loading the boundary conditions is solved .