电阻率

So the electrical surveying method has become one of important methods in exploring karst region.

所以直流电阻率法是岩溶地区勘查的重要手段之一。

The kimberlite has the intensive magnetism, low resistivity, and high content of Cr、Ni and Nb. Its geophysical and geochemical prospecting anomaly over the earth's surface are mostly shaped in ellipse and ribbon, which is paragenetic with fracture structure.

金伯利岩的分布严格受断裂构造控制，矿体呈管状、脉状，具有成群、结带分布的特征；它具有磁性强、电阻率低、微量元素Cr、Ni 、Nb含量高的特征。

Crystal structure was determined by powder X-ray Diffraction and lattice parameters as a function of Sr-concentration x were obtained by using Rietveld method.

在80K-300K温度范围的直流电阻率测量表明，材料的电性质在x=0.2和0.3之间展示了从半导体到金属的相变。x=0.2样品已接近绝缘体-金属相变的边缘。

Volume resistivity is a measure of the leakage current directly through a material.

体电阻率是材料直接通过泄漏电流的能力的度量。

The sonic log curve is reconstructed by using BP neural network technology combining SP,Rt,Gr curves data as to enhance the information quality of curve reconstruction and ensure the accuracy of curve reconstruction.

运用BP神经网络技术综合了自然电位、电阻率、自然伽马等多条曲线的信息对声波曲线进行重构，以此增加曲线重构的信息量，为曲线重构的准确性提供了保障。

In order to enlarge capacity building size and to enrich exploitation seismic interpretation methods, gamma log curve without container rock velocity information and resistivity logging curve were converted to realize the purpose of seismic inversion as pseudo sound wave curve, and to make the seismic inversion data volume have information of shale content and oiliness and help to predict the sandstone thickness and oiliness of reservoir bed.

为扩大油田产能建设规模、丰富开发地震解释方法，本文把不具备储层速度信息的伽玛曲线、电阻率曲线通过一定的转换，实现作为伪声波曲线进行地震反演的目的，使地震反演数据体加入泥质含量及含油性两种信息，有助于进行储层砂岩厚度预测及储层含油性预测。

On the traditional electrical property parameter apparent resistivity curves, besides compact fine sandstone, igneous rock and limestone have obvious high-ohmic anomaly, there are no obvious electrical property difference between coal and wall rocks, the curve almost show itself a straight line; self-potential log also can hardly to reflect regularities.

常规的电性参数视电阻率曲线除致密的细砂岩、火成岩及灰岩有明显的高阻异常反映外，煤与围岩无明显的电性差异，曲线几乎呈一条直线；自然电位参数曲线反映规律性也较差。

The origin of low resistivity pay zone at different area and zone can't be treated as the same, we should concretely analyse different situation.

不同地区，不同层位的低电阻率油层成因不能一概而论，应具体情况具体分析。

Due to there are some pyrite tubercles in some silt, according to that pyrite tubercles can bring low electric resistivity reservoirs, study on the origin of the low electric resistivity reservoirs in study area and use the method of clustering differentiate of low- resistivity layers by logging eigenvalues to forecast some low- resistivity layers in study area.

根据部分粉砂岩储层中含有大量黄铁矿结合的现象，对研究区低电阻率油层的成因进行了总结，并使用试油资料为标准样进行测井特征聚类判别的方法对研究区低阻油层进行了预测。

The testing of the tourmaline''s resistance ratio and magnetic moment has proved the existence of its feeble electricity and feeble magnetism.

通过对电气石电阻率、磁矩的测试，证实了电气石的弱电性和弱磁性的存在。

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。