地电阻率是观测地下介质电性结构随时间的变化。
Observe the electricity structure of underground medium and change over time in resistivity of ground.
叙述了地电阻率变化的主要影响因素和多年动态变化特征。
Main factors to influence ground resistivity variation and characteristics of multi-years dynamic change are introduced.
本文研究利用井—地电阻率法，通过一口油井确定油气藏范围。
This paper research that the range of oil and gas reservoir is located through one oil well utilizing the hole-surface resistivity method.
讨论了地电阻率临震突变的变化特点、变化形态和时、空间分布特征。
The paper also discussed the variation features of the sudden change of earth resistivity as well as the shape of sudden change and its temporal-spatial distribution.
观测地壳浅层电阻率随时间变化以寻找地震信息是地电阻率方法的目的。
We used the method of ground resistivity measurement to show the variation with time of the earth's electrical resistivity near the surface as the precursor of an earthquake.
介绍了利用高分辨地电阻率法探查大柳塔煤矿小窑采空区的作业方法和效果。
The operation measures and effect of high-resolution resistivity prospecting in gob area, Daliuta Coal Mine, are introduced in this paper.
结果表明：地电阻率时间序列存在分维结构，并且在地震前有明显的降维变化。
Results show that the time sequence of earth resistivity displayed a fractional structure and an obvious reduction of dimensional variation before earthquakes.
应用差分能量法和归一化月速率方法处理了江苏省高邮台的地电阻率观测资料。
The ground resistivity data measured at Gaoyou station, Jiangsu province are processed and analysized by using the differences energy and normalized monthly variation rate methods.
由于受台址条件的限制，地电阻率观测值受到地下水位、降水等气象因素的影响。
Due to the limitation of the seismic station site, the observations of the resistivity are affected by underground water, precipitation and other weather factors.
其一是解释在不同飞行高度测得的时间域航空电磁法资料，从而提供大地电阻率；
The first is to interpret the time-domain airborne electromagnetic data measured at different flying altitude so that the earth resistivity will be provided.
地铁对周围地磁、地电场、地电阻率的观测都会产生影响，但影响的机理不尽相同。
The subway can influence the observation of geomagnetism, geoelectric field and ground resistivity around it, but the influencing mechanism is not same.
从此观点出发，导出以二层电性剖面为特征的台站正常地电阻率相对似年变化幅度公式。
From this model section, a formula is obtained for calculating the amplitude of relative apparent annual variation of resistivity at a station characterized by two resistivity layers.
为了让地震台站工作人员随时知道地电阻率仪器外线的工作情况，研制了外线断线监测仪。
In order to know work condition of Outlines of the digital telluric meter in a seismic station, an apparatus to monitor the circuit breaking is designed.
由于零模参数受大地电阻率等因素影响，能量平衡保护采用了较为稳定的空间模量计算能量。
Owing to the influences of such factors as the earth resistivity on the zero module parameter, the stable space module is adopted to calculate energy for energy balance protection.
本文利用关联维数的计算方法处理了昌黎地电台、县地电台1970年至1978年地电阻率日均值资料。
This paper processed the daily mean data of the earth resistivity recorded at changli and qingxian terrameter stations from1970to1978using the computing method of the association dimension.
分析研究了华北北部地区近几年内发生的3次中强地震前后距其震中一定范围内的地电阻率异常现象及其特征。
The earth resistivity anomalies and its features before 3 moderate earthquakes occurred in some rangearound the epicenters in the north of North China of recent years are analyzed.
其二是如果给出了大地电阻率，则可计算时间域的航空电磁响应，因此可以校正由飞行高度改变引起的假异常。
The second is to estimate the time-domain airborne E. M. response, if the earth resistivity is given; therefore the pseudo-anomalies caused by the change of the flying altitude will be corrected.
结果表明，地电阻率各向异性度(S)异常变化中的地震前兆信息量大于地电阻率异常变化中的地震前兆信息量。
The results show that more information was received from the variation of s than from that of ground resistivity.
研究表明，中强地震地电阻率异常特征非常复杂，异常的时间一般只有60—90天，异常的幅度也只有1%—2%。
The telluric resistivity anomaly of moderate strong earthquake has a complicated feature, the length of the anomaly duration is only 60-90 days, the amplitude of the anomaly is 1-2%.
自动地电阻率法在探测地下老窑巷道等地质异常体中，当异常体的埋深增加时，其相对视电阻率曲线的异常会逐渐变得平缓而且模糊。
In detection of underground old kiln roadways and geological bodies by automatic earth resistivity method, the anomalies gradually become smoothly and fuzzy with their depth.
可提供视电阻率、阻抗相位、异常相位等地电学参数。
Parameters of apparent resistivity, impedance phase, and anomaly phase can be acquired.
探讨了在多年冻土地区影响土壤电阻率的因素和使用低电阻接地模块降低接地电阻的工程方法。
The factors affecting the resistivity of frozen soils were discussed, and some solutions to grounding for lightning using grounding modules were introduced.
大地电磁测深结果受表层构造横向不均匀性的影响，其视电阻率曲线会发生畸变。
The curves of apparent resistivity obtained from Magnetotelluric Sounding are greatly distorted by the lateral inhomogeneity of surficial structures.
基于等值土壤电阻率的概念，导出了三层土壤中垂直棒接地电阻解析计算公式。
The analytic computational formula for grounding resistance of grounding rods in three-layer soil is derived based on the concept of equivalent soil resistivity.
使用该方法对大地电磁测深视电阻率进行了处理，应用效果良好。
The method is used for processing the apparent resistivity of magnetotelluric measured depth, and better result is achieved.
表面电阻测试仪是一种测试物体表面电阻率和对地电阻的仪器，可进行简单可重复的导电性能、静电耗散、绝缘表面性能的测量。
This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface.
在高电阻率地域，将接地电阻降到设计值非常困难。
In the high resistivity area, it is very difficult to reduce the earthing resistance to the given value.
地电场和电阻率同场地观测时，电阻率观测会干扰地电场的观测数据发生大幅度变化。
To be observed on same field in same time, telluric observation is interfered by electric current in measuring the apparent resistivity, and the data are changed to square impulse.
重点提出了如何在多石土壤、砂砾、岩石等高电阻率的场所实现低接地电阻的设计要求。
The realization of low earthing resistance design in high resistance rate places is emphasized, such as stony soil, gravel, rock and so on.
重点提出了如何在多石土壤、砂砾、岩石等高电阻率的场所实现低接地电阻的设计要求。
The realization of low earthing resistance design in high resistance rate places is emphasized, such as stony soil, gravel, rock and so on.
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