查询词典 resistivity

The investigation shows that data of tipper and apparent tipper obviously reflect the inhomogeneity of horizontal direction of medium-electric resistivity, particularly the fault. So the data of frequency range apparent tipper calculated by high-quality four-component observation data can be used in identifying the position, inclination and scale of fault.

研究结果表明：倾子和视倾子资料对介质电阻率水平方向的不均匀性，特别是对断裂反映明显；应用质量较好的四分量观测数据计算出高频段（频率大于1Hz）的视倾子资料，可以用来判断断裂的位置、倾向和规模。

Referring to related newly developed methods abroad,in the paper, the expressions of frequency domain apparent resistivity and its numerical calculating formulae of electromagnetic field of vertical magnetic dipole source for the surface of horizontally layered media have been obtained.

该文参考国外最新发展的方法，求取了水平层状介质表面上垂直磁偶极源电磁场的频域视电阻率表达式及其数值计算公式，并用自编程序计算了几种典型地电断面的视电阻率曲线，以说明这种方法的有效

Product characteristics : 1, excellent heat resistance : can adapt to the use of power lines due process overload and short circuit of the high temperature; 2, excellent electrical properties : material for the performance of their higher intensity and volume resistivity of insulation, security is good; 3. excellent corrosion resistance and anti-aging properties : apply to the soil and working environment, long life; 4. excellent flame retardance : difficult combustion; 5, smooth wall formation, the friction coefficient, good wear resistance : in the installation process can greatly reduce the damage to power lines, improve work efficiency; with the traditional asbestos cement pipes, the The product is light weight, good flexibility, earthquake-resistant and differential settlement, and not at the construction site encapsulation pouring concrete; Transport construction is simple, low cost, can greatly shorten the construction period.

产品特点： 1、优良的耐热性能：能适应电力电缆使用过程因过载短路而产生的高温； 2、优良的电气性能：材料自身表现为较高绝缘强度和体积电阻率，安全性好； 3、优异的耐腐蚀性能和抗老化性能：适用于各种土壤和工作环境，使用寿命长； 4、优良的阻燃性能：不易燃烧； 5、内壁光滑平整、摩擦系数小，耐磨性能好：在敷设过程中可大大降低对电缆的损害，提高工作效率；与传统的石棉水泥管相比，产品的重量轻、柔性好、抗震性及抗不均匀沉降好，无须在施工现场包封浇混凝土；运输施工简便，费用低，可大大缩短工期。

In the respect of data interpretation proceeding, the paper carried out the inversion calculation of experiment data with the resistivity CT method, gave some study on the image effect when the iron bodies were placed flatly close to water level under semi-space condition and were placed flatly, vertically or aslope to the water level under whole-space condition.

在资料解释处理方面，本文采用了电阻率CT法对实验数据进行反演计算，研究了半空间和全空间条件下铁块水平、垂直和倾斜放置时的成像效果，由效果图可以看出，通过电阻率CT法反演出的铁块的位置与水槽模拟实验中铁块的实际位置吻合的较好。

The room-temperature resistivity ρ〓 of a fully nanocrystallized 〓 sample increases obviously, which can be associated with the low atomic density, the high degree of disorder and the depletion of Fe atom.

充分纳米晶化的〓纳米晶试样的室温电阻率ρ〓的明显增加与界面相的低原子密度、高度无序和Fe原子的相对减少密切相关。

Common supervision items for fire-resistant oil comprise appearance,color,density,water content,acid number,flash point,autoignition temperature,chlorine content, volume resistivity,kinematic viscosity,particle pollution,anti-foaming stability and air release property.

抗燃油在我国电厂使用时间不长，维护和管理方面也缺乏统一的规定。如果抗燃油在使用中受到污染变质，就会影响它的使用性能，甚至导致严重后果。

The effects of hydrogen on the resistivity and the electron binding energy were studied.

研究了氢对块体非晶合金电子结合能和电阻率的影响。

The thesis is organized as follows:In Chapter 1,a new partial differential equation model for Spontaneous Potential log in heterogeneous formations is introduced.At the same time,the existence and uniqueness of weak solution to the problem are proved,and the problem of resistance identification in SP log is studied.Furthermore,a jump condition capturing finite difference scheme is proposed and applied to solve such elliptic interface problems.The effects of various factors on SP response,which include objective layers resistivity,bed thickness,bore-hole diameter,invasion and water-flooded zones and so on,are investigated quantitatively by the proposed method, and satisfactory results are obtained.

具体安排如下：第一章首先建立复杂地层中自然电位测井的偏微分方程数学模型，证明了该边值问题弱解的存在唯一性，在此基础上研究了自然电位测井电阻率识别问题：然后发展了用于求解椭圆交界面问题的间断捕捉有限差分方法，利用该方法定量分析了目的层电阻率、地层厚度、井径、侵入带和水淹层等因素对自然电位测井响应的影响，取得了满意的结果。

The methods of imaging the resistivity near the borehole are researched.

本文研究的是近井眼电阻率测井成像方法。

The true resistivity of formations computed precisely by using of the inversion technique, the interactive processing technique can be applied to structural explanation of formations, analysis for stability of wellbore, prediction of the breaking stress of formations and the deliverability, and the judgment of stress direction of formations.

利用反演技术求准地层真电阻率，利用人机交互处理技术进行地层构造解释，井眼稳定性分析及地层破裂压力预测、产能预测，进行了地层应力方向的判断。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。