导电率

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。

The raw materials of anti-static terrazzo have been produced in mould process. The influences of molding temperature and molding pressure on the performances of anti-static terrazzo have been investigated.

同时进行了范围较广的碳黑含量与体积电阻率关系的实验，求得的回归方程具有很高的相关系数，能够较准确地预测乙炔碳黑含量与其导电性能的关系。

It is clear that insulating materials should have such a high specific resistance as to be,to all intents and purposes,nonconductors of electricity.

显然，绝缘材料具有很高的电阻率，因而实际上是不导电的。

Blend to conduct electricity ameliorable and high conduction rate of Li+ and electronics usually is carbon which to ad...

掺杂导电物可改善高Li+及电子的传导率，通常所采用的是碳。

Blend to conduct electricity ameliorable and high conduction rate of Li+ and electronics usually is carbon which to ado...

掺杂导电物可改善高Li+及电子的传导率，通常所采用的是碳。

Compared with non-nanopolyaniline synthesized by conventional emulsion polymerization, nanopolyaniline has the narrow and uniform distribution of particle dimension and the diameter of particle is about 4-5nm,and the conductivity reaches 3.2S·cm-1, which is more than 100 times higher than that of nanopolyaniline;Moreover, it has higher solubility in conventional solvent and the solubility reaches 95% in N-methyl pyrrolidone;what's more ,it has higher crystallinity and more uniform crystal proved by XRD, apparent blue shift indicated by UV, which makes it possible to prepare transparent conductive composite films.

结果表明，微乳液法合成的纳米聚苯胺与常规乳液法合成的非纳米聚苯胺相比，具有明显的优越性：粒径分布窄，95%的在10nm 以下，最大的不超过30nm；电导率较高，达到了3.2S/cm，提高了2 个数量级以上；在有机溶剂中的溶解度较高，其中在N-甲基吡咯烷酮中的溶解率达到了95%；X 射线衍射仪分析表明，纳米聚苯胺结晶度高，晶型更为规整；紫外可见光谱研究发现，纳米聚苯胺在可见光区有明显的蓝移，为制备透明的导电复合膜提供了可能。

Tungsten wire is made by the process of sintered bar, swaging and drawing. Besides its high temperature stability, sagging free, shock resistance and corrosion resistance, it has an excellent electrical and thermal conductivity, a very low thermal expansion up to the highest temperature.

钨丝是由钨坯条经过旋锻及拉伸的方法加工而成的，具有很好的耐高温性能和不下垂性，导电导热性能极好，热膨胀率低，成型性好、稳定性高、耐震性及抗腐蚀性强，具有较好的机械加工性能。

The concept of closer interchain coupling with an increase of y is used to illustrate the cause of abrupt changes and the transformation of main elemen...

用链间耦合随掺杂浓度增强的概念，说明了出现上述两个突变的原因和主要元激发的转变，解释了磁化率随掺杂浓度变化的实验规律，讨论了三个区域的导电模型和电导率随温度的变化关系。

Chloromethyl-4-hydroxyl-7-methyl-6,7-dihydrothiopheno pyrimidine,2-chloromethyl-4-methoxyl-7-methyl-6,7-dihydrothiopheno pyrimidine have been synthesized by the reaction of chloroacetamidine hydrochcoride 2-ethoxycarbonyl-4-methyl-tetrahydrothiophen-3-one and dimethyl sulphate in this paper.

以甲基丙烯酸乙酯、巯基乙酸乙酯和氯乙腈为原料高产率地合成了两种新型导电高分子单体化合物，并通过核磁氢谱、核磁碳谱、质谱等确定了它们的结构。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。