查询词典 electrical resistivity

Compared with the composites made of high density polyethylene , carbon black and graphite by solution blending, the composites made of polyphenylene sulfide , polyarylethersulfone with cardo group , short carbon fiber and carbon black by mechanical blending are provided with better repeatability of electrical resistivity.

聚苯硫醚和酚酞型聚芳醚砜与碳纤维和炭黑机械共混所得复合材料和高密度聚乙烯与炭黑和石墨溶液共混所得复合材料相比，前者具有电阻率较易控制、重复性较好的特点。

The induced polarization anomaly is character of high in chargeability and low in electrical resistivity which is consistent with the electrical property of copper ore-body.

激电异常表现出高极化率低电阻率的电性特征，与矿区铜矿石具有相同的电性特征。

The patterns of geophsics indicates that the gold deposits are distributed in the steps belts of gravity abnormality and the bondary of aeromagneticanomaly.Auriferous quartz vein is hiher electrical resistivity and chargeability.

地球物理特征研究表明金矿床分布在重力异常梯级带及重力异常轴扭曲地段和正负航磁异常分界线附近，特别是NNE向线状低磁异常带；含金黄铁矿石英脉与其它地质体比较，具有高阻高极化的特征。

However, these alloys show great potential for use as electrothermal material due to their excellent oxidation resistance and high electrical resistivity.

Fe〓Al基合金由于600℃以上温度的强度和蠕变抗力偏低，制约了其作为高温结构材料的应用，然而，优异的高温抗氧化性能和高电阻率的特点，显示了这。。。

The experimental results indicate that the changes of resistivity, temperature and deformation during freeze-thaw cycles are real-time and synchronical, which also proves that it is feasible to study the change of soil structure during freezing and thawing by using electrical resistivity method.

试验结果表明：冻融循环过程中电阻率与冻融变形的变化是实时的、完全同步的，利用电阻率特性研究冻融过程土体结构变化是可行的；每次冻融冻土电阻率随着冻融次数增加呈指数关系减小，融土电阻率随冻融次数增加呈指数关系增加；每次冻胀量与融沉量随冻融次数的增加而减小，平均干密度随冻融次数增加而增加，并且经过5次冻融循环后冻胀融沉量和干密度均趋于稳定。

5Researches show that changes of resistivity,temperature,pressure and deformationduring freezing-thawing cycles are real-time and synchronical,which proves that it is feasibleto study the changes of soil structure during freezing-thawing and problem of strength-deformation under external load by using electrical resistivity method.

5通过单轴载荷与冻融作用下冻土电阻率特性试验研究表明土体电阻率与应力-应变关系、正冻正融过程以及土体温度的变化具有很好的同步性，说明利用电阻率实时观测的方法研究冻融循环过程、冻融作用对土体结构影响以及载荷作用下土体强度与变形问题是可行的

The relationship of the electrical resistivity with various parameters and unconfined compression strength is studied using the resistivity method.

结果表明，受H2SO4侵蚀后，水泥土电阻率、孔隙水电阻率、水泥土抗压强度均随着溶液浓度的增加而减小，而水泥土的结构因子和重度均随着溶液浓度的增加而增加，水泥土抗压强度与水泥土电阻率成正比。

A mathematical model of electrical data calculation of coreless induction furnace is proposed and a useful method of measuring stray loss and electrical resistivity at high temperature of crucible is given.

提出了一种无芯感应炉电参数计算的数学模型，给出了测量杂散损耗和坩埚高温电阻率的实用方法。

Increasing the volume fraction of MeO would be good to the arc welding resistance but would lead to a higher electrical resistivity of the electrical contacts.

增大MeO的体积分数有助于提高触头材料的抗熔焊能力，但会增加触头材料的电阻率，为保证触头材料电性能，MeO体积分数宜控制在20%以内。

Among the various conductive fillers, carbon fibers have been proved to be a good candidate for EMI shielding. However, the electrical resistivity of a carbon fiber is much higher than the metal filler, so it must to use a greater number of carbon fibers in order to achieve the same shielding effect. In recent years, the Electroless plating is the new techniques of surface treatment of carbon fibers used to improve the electrical conductivity of carbon fiber. The copper-coated and nickel-coated carbon fibers have been proved to be a good candidate for EMI shielding.

导电高分子填充材料多使用碳纤维、碳黑及金属粉末，其中碳纤维具有高导电性、低密度及复合材料之补强特性，故本研究碳纤维作为填充材料，将碳纤维经过无电电镀处理，使其表面分别披覆金属镍及铜，增加碳纤维之导电度，混掺於聚丙烯高分子基材中，制成具有电磁波屏蔽功能之高分子复合材料，研究不同高分子成型方式与金属镀层对於碳纤维电学性质及复合材料电磁波屏蔽效益之影响。

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。