电阻率

In terms of inflection point of apparent resistivity and half amplitude point of natural gamma curves can define its thickness.

利用视电阻率的拐点和自然伽马曲线的半幅点可以确定厚度。

The results show, when polar distance is bigger than the size of cross section of tunnel, the difference of anomalous feature between the corner-sections and wall-sections in tunnel is very small. The apparent resistivity is only related to the distance between section and bodies. The shielding effect of the tunnel is not so evident that the character and value of anomalous are similar with those in full space.

计算结果表明，当坑道内偶极测深的极距大于坑道截面尺寸时，坑道角与坑道面断面异常形态差异不大；视电阻率值只与断面和地质体间的距离有关；坑道空腔的屏蔽效应并不明显，坑道内各个测深断面的异常幅值和形态与全空间中观测结果非常相似。

Let us now consider polarizable bodies whose resistivities are similar to that of the geological environment.

现在我们来研究电阻率与地质介质相同的极化体。

"The earliest instrument for determining latitude was the quadrant, which measured the altitude of the polestar or the noonday sun."

早期测定纬度的仪器是象限仪，测量北极星或正午太阳的高度。孔隙内水的矿化度或许是决定电阻率的最主要因素。

Such local distortions can be viewed asintroducing impurity scattering potential in paramagneticphase,largely increase the resistivity and lower the metal-insulator transitiontemperature Tm.

这样的局域结构畸变在顺磁态可认为是引入不纯散射势，从而大幅地增大了电阻率、降低了金属-绝缘转变温度Tm，并且Tm随σ2的变化关系是线性的。

A power function is introduced to deduce the occurrence probability function of resistivity anomaly.

根据概率论的基本理论，引入幂函数并推导了电阻率异常发生概率函数。

The surface resistivity of conductive paper almost linearly increased with the prolongation of storage time.

导电纸的表面电阻率随放置时间的延长而呈近似线性增大。

Of which,wet basis ash content is defined by gamma-ray log,and the precondition is the ash mainly argillaceous and contains no radioelement;carbon is defined by density log and artificial gamma log,and moisture calibration for density log ;saturated porosity is defined by density log after ash calibration;gas content is defined by acoustic log and density log compou.

其中以自然伽马测井确定湿灰分，该方法的前提条件是湿分主要是泥质且泥质不具放射性元素；以密度测井与人工伽马测井确定含碳量，并对密度测井作湿分校正；以灰分校正后的密度测井确定饱和水孔隙度；含气量的估算以声波测井和密度测井组成的复合参数ΔT/dDEN来确定，或以视电阻率曲线确定含气量。

The interference produced on secondary cable is discussed in this paper.The effects of soil resistivity, relative permittivity, the density and area ofgrounding network are described.

论文对端部连接在地网上的二次电缆受到的干扰进行了分析，计算了土壤电阻率、相对介电常数、地网的疏密程度以及地网面积对电缆端部芯皮电位差的影响。

High density resistivity method is applied widely in the field of engineering, and the good effect is gained.

高密度电阻率法在工程领域得到了广泛的应用，并取得了良好的效果。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。