电阻

The response of the electromagnetic wave resistivity MWD tool in cylindrically symmetrical 2D formation is simulated by the algorithm.

利用该算法对随钻电磁波电阻率测量仪器在轴对称二维地层中的响应进行数值模拟。

Dual integral A/D converter ; convertion error ; compensating resistance

双积分A/D转换器；转换误差；补偿电阻

After the specified soak time, energize Ch. 41 again to measure the resistance between terminals 3 and 2. De-energize Ch.

经过规定的保压时间后，再次触动通道41，测量端子3和2之间的绝缘电阻。

SB2015-4 Precision Decade DC Resistance Box is made of precise aging-processesed and low temperature coefficient coil resistors and precise seal switches.

SB2015-4型精密十进位直流电阻箱采用经过特殊老化处理、低温度系数的精密线绕电阻器及精密密封开关。

Second, the hydrostatic pressure effects on the resistivity behavior of single AlCuCoGe decagonal quasicrystals were studied.

本文介绍了AlCuCoD相完全取向薄膜的样品制备工艺及其光学性质和电子输运性质的研究以及静水压力下对D相AlCuCoGe准晶电阻率行为的研究。

In the study of hydrostatic pressure effects on the resistivity of AlCuCoGe decagonal quasicrystals, an anisotropy of the pressure effects was found.

在静水压力研究中，我们发现D相AlCuCoGe电阻率的压力系数具有明显的各向异性。

The induced polarization decay curve contains more information than the polarizability. It relates to the pore structure, permeability, formation water resistivity and shality.

激发极化衰减谱比极化率具有更为丰富的储层信息，与地层的孔隙结构、渗透率、地层水电阻率以及泥质含量密切相关。

This text passes correctly elm two of Daqing oil field is united --One Song unite person who bury oil pipeline scene to live in environment survey and study, is it take a sample test , environmental corrosivity survey , corrosivity measuring of pipeline and assess of soil to excavate, is it cause person who bury pipeline antiseptic layers of invalid main factor to find out , confirm the environmental grade of corrosion of soil according to environmental comprehensive physics and chemistry index of soil, grasp pipeline antiseptic invalid law of layer , study antiseptic layers of resistivity decay law and to influence that negative pole protect, is it suitable for person who bury antiseptic layer of life-span of the pipeline calculate formulae and actual effect criterion model to propose on the basis of this text, illustrate and simply analyse oil field long to fail person who bury antiseptic layer of surplus ability to work of the pipeline, unite for elm two --One Song unite pipeline antiseptic maintenance of layer , is it put forward science rational suggestion to change.

本文通过对大庆油田榆二联——宋一联埋地输油管道所处环境的现场调研、开挖取样化验、环境土壤的腐蚀性勘测、管线的腐蚀性检测和评估，找出引起埋地管道防腐层失效的主要因素，并根据环境土壤的综合理化指标确定该段环境土壤的腐蚀等级，掌握管道防腐层的失效规律，研究防腐层电阻率衰减规律及其对阴极保护的影响，在本文的基础上提出适用于埋地管道防腐层寿命计算公式和失效判据模型，例证和浅析油田长输埋地管道防腐层剩余工作能力，为榆二联——宋一联管道防腐层的维修、更换提出科学合理的建议。

By analyzing the educt and oxide of 〓 powder and BN powder, it is foundthat residual inside the composite is the main cause for the deliquescence of thecomposite and that the boron oxide mainly comes from the BN.

添加烧结助剂，既有效地促进了样品中导电网络的构成，又对〓-BN复相导电陶瓷的电阻率产生很大影响，而且〓配比越接近渗流阀值，烧结助剂的影响越大。

According to the result last step to derivate the potentials on the cortex.

根据所得到头皮的电势分布，分别采用HREEG和有限电阻网络法进行脑电逆问题的推演。

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。