resistivity

Evalution method and application of thin bed resistivity logging

一种新型薄层电阻率测井（TBRt）的评价方法及应用

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Authors also discuss equivalence between resistivity log response at thin interbed series and that in anisotropic medium.

文中还研究了薄互层的响应与各向异性介质响应的等价性问题。

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The method can not only research low-frequency current and its character of logging through metal casing but also confirm the method of measuring electric resistivity of stratum through metal casing.

该方法不仅可以用来研究套管井低频电流及其特性，而且还可以用来确定过套管地层电阻率测量方法和套管、水泥环等对测井的影响及其校正方法。

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Moisture will cause the surface resistivity measurements to be lower than normal.

湿度将使表面电阻率的测量结果比正常情况低一些.

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An automatic system for the measurement of two-dimensional distribution of resistivity of semi-insulating gallium arsenide wafer with three electrode guard method is presented in this paper. In actual application, the fluctuation of temperature and abnormal data obtained would influence the results of the measurement seriously.

本文介绍了三电极保护法半绝缘砷化镓材料电阻率二维分布自动测量系统，在实际应用中，温度波动、异常数据对测量结果产生严重影响，为此我们提出了一些措施。

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Volume and surface resistivity measurements are dependent on several factors.

体电阻率和表面电阻率的测量决定于几个因素.

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The center of measuring electrode is taken as recording point so as to cause both the apparent resistivity over a three-dimensional abnormal body to be maximum and the pseudosection to correspond with the abnormal body quite well.

选择测量电极中心作为记录点，既能使正演计算的视电阻率响应在异常体上方获得最大异常，又能使正演计算的拟断面图的异常分布与异常体之间有很好的对应关系。

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Volume resistivity: leakage of current directly through the material.

体电阻率: 表示直接通过材料的泄漏电流.

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Surface resistivity: leakage across the surface, a function primarily of surface contaminants.

表面电阻率: 经过材料表面的泄漏, 主要是表面污染的作用.

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EM, like resistivity, can also give structural information: faults, shear or altered conductive areas.

和电阻率法一样, EM法也能提供构造方面的资料, 如断层 、 剪碎带或蚀变导电带.

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This is the theoretical expression for the resistivity, and it is in qualitative agreement with experiment.

这就是电阻率的理论表达式, 它与实验定性地符合.

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By diagenesis compaction and filling of clays, the formation of the reservoir is characterized by small pore throat radius, complex pore structures, rich irreducible water saturation, and small resistivity difference between oil layer and water layer.

后经成岩压实作用及粘土矿物的充填，造成孔喉半径变小，孔隙结构复杂，孔隙空间对水的滞留能力加强，束缚水饱和度高，油层与水层电阻率差别减小，电阻率增大指数小于3。

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However, high breakdown voltages necessarily need high-resistivity material.

但是, 高的击穿电压必然要求采用 高阻 材料来制作.

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We can see that the massive vein is revealed by resistivity.

可以看出,致密的矿脉可用电阻率法来发现.

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Electrical resistivity is used widely as a measure of brine saturation in rocks.

电阻率被广泛地用于测量岩石中的矿化水饱和度.

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The resistivity contours appear much less diagnostic of anomalous bodies below the surface.

地面下方的异常体,在视电阻率等值线上并无明显的反映.

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However, the apparent resistivity curve shows obvious oscillation and can hardly reflect thin interbed in geoelectric section.

此种定义的视电阻率曲线不仅有明显的振荡性，而且对地电剖面的中间薄层反映很不明显。

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The phase detecting is very important in resistivity well logging technology.

复电阻率相位检测技术是目前复电阻率测井技术发展的方向.

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Determining both oil-water contact and thin interbed by analysing the resistivity log data of horizontal borehole

利用水平井电阻率测井资料判断油水界面和薄夹层

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Figure 4-23 is a configuration for measuring surface resistivity.

图 4-23 是测量表面电阻率的配置情况.

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The resistivity is then constant and Ohm's law is obeyed.

因此电阻率也是常数,并遵循欧姆定律.

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Study on thermoelectric feedback effect of the transistor, bringing up a method to model the heat distribution of transistors including thermoelectric feedback effect by conversion of the thermoelectric feedback effect into resistivity variation of Si with temperature and introduction of transistor array. 5.

对双极功率晶体管的热电反馈效应进行了研究，提出将热电反馈效应问题简化为材料电阻率随温度变化的问题，并通过晶体管阵列，提出了建立包含热电反馈效应的双极晶体管热分布模型的方法。

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The influence of three-dimensional abnormal body upon both the response and the pseudosection of apparent resistivity in frequency-domain electromagnetic sounding depends on conductivity difference between the abnormal body and country rock.

三维异常体的存在，对频率域电磁测深法视电阻率曲线形态和拟断面图分布特征的影响，依据异常体与围岩的导电性差异不同有其特殊的规律性。

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The spot welding performance of aluminum alloy is poor because of its high thermal conductivity and low resistivity characteristics.

由于铝合金高导热率和低电阻率的特点，因此其点焊性能较差。

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With addition of carbon, the Seebeck coefficient increases a little while the resistivity decreases. As a result, the thermoelectric power factor increases.

当样品掺入C后，Seebeck系数略有增加，电阻率减小，导致功率因子明显提高。

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The motion divergence body resistivity, decreases the opportunity which is sick.

运动增强身体抵抗力, 减低患病的机会.

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That is beneficial to deduce the direction of attenuation of the induced electromotive force and the apparent resistivity of the subsurface geology and to Reflect the abnormal position and shape and trend of the geological body.

这样有利于推断出地下地质体的感应电动势和视电阻率的衰减方向，反映出地质体的异常位置和形态，有利于推测其地质体的走向。

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It discuss relation between transtom functions of water bottom resistivity sounding.

讨论了水底电测深转换函数之间的关系,介绍解释方法.

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The purpose of this studying is to develop a kind of new electric material that are low cost, high resistivity and good mechanical property used for high torque special threephase asynchronous motor rotors, so that raising quality of motors and increasing economic profit.

该项研究是为了开发一种成本低、电阻率高和力学性能好的电工新材料，用于高起动转矩特种三相异步电动机转子上，以达到提高电机质量、提高经济效益的目的。

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Based on the competent sandstone electric conductivity model, the formal was acquired which can be used to compute the pore structure parameter including throat radius, capillary tortuosity and pore structure exponent by making use of the resistivity logging data.

依据致密砂岩电导模型获得了利用电阻率测井资料计算孔隙结构参数：毛管半径、孔喉迂曲度和孔隙结构指数的计算公式。

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