查询词典 conductivity

The conductivity of the sphere shell can be improved by intercalating polyaniline between layers of MoO〓 particles in the sphere shell.

上述四个方面工作显示出层状化合物嵌入化学在功能材料领域上有着广阔的应用前景。

The concentration of the gas could be achieved by measuring the change of the conductivity. In the experiments, the gas sensor was prepared by spreading the water solution of carbon nanotubes between the interdigitated Au electrode, which was splashed on alumina. In this paper, three methods, such as mixing palladium and copper chloride, deoxidizing palladium and copper by chemical and electrochemical means, were used to doping palladium and copper in multi-wall carbon nanotubes.

实验中我们采用单壁和多壁纳米碳管作为敏感材料，在叉指金电极间涂布纳米碳管悬浊液作为气敏膜，用于有机挥发物如甲醛、苯、甲苯和二甲苯的检测，并着重研究了掺杂氯化钯和氯化铜盐溶液、化学和电化学方法掺杂钯和铜金属颗粒对多壁纳米碳管传感器的气敏性能的影响。

Using cement to prepare the sensible heat storage material,and it is for improving the capability of material by interfusing some matters which have large heat capacity and high heat conductivity.

研究表明：当铝酸盐水泥含量为10%时，材料的抗压、抗折强度能满足工业需求；材料的比热容随温度的升高先增大，在500℃时达到最大，后随着温度的升高反而降低；材料的热导率随着石墨粉含量的增加几乎成直线上升，当石墨含量为5%时材料的热导率大于1.7W/。

Using cement to prepare the sensible heat storage material,and it is for improving the capability of material by interfusing some matters which have large heat capacity and high heat conductivity.

采用水泥作为材料的胶凝剂，添加热容、热导率大的物质作为骨料来制备混凝土储热材料。

The predicted results show that the composite's coefficient of thermal conductivity decreases with the increase of kinking distance , as well as , decreases with the increase of fiber volume f raction and void volume f raction.

结果表明：随着纤维束扭结处产生间隙与纱线宽度比值的增大，热传导系数减小；当其它参数不变时，热传导系数随着纤维体积含量和孔洞体积含量的增加而下降。

The metalized films will exhibit different surface conductivity by changing the proportion of materials and the conditions of reduction reaction.

通过调整原材料的配比和控制还原过程中的具体工艺条件，使高分子表面金属层具有不同的导电性。

The peptizing mechanism of pseudo-boehmite powder was analyzed, and the multi- nucleus model of colloidal nucleus and electrical double layers model of micelle were proposed, based on the measurement of conductivity, the analysis of IR infrared spectra and the equilibrium profiles of dissolution-precipitation for Al3+ at different pH values.

通过胶溶过程中电导率的测定、胶团表面基团的FTIR分析和Al~(3+)的沉淀溶解平衡的热力学分析，提出了拟薄水铝石的胶溶过程机理、胶核的多核结构模型和胶团的双电层结构模型。

The influences of matrix electrical conductivity on the poling behaviors were studied experimentally and theoretically.

从理论和实验两方面研究了基体电导率对极化行为以及介质损耗的影响。

The compound solution performs as pseudo-fictile fluid, and its visual viscosity is reduced when the shearing velocity increases. The higher the cationic degree of CPAM, the more apparent the rarefying behavior of the polymer-surfactant complex, but it still is pseudo-fictile fluid. In addition, such factors as the molecular weight of CPAM, temperature and PH value etc, have different effect on the properties of the mixed solution, including its visual viscosity, conductivity, rheological behavior and so on.

CPAM／SDS复合体系的表观粘度随剪切速率的增大而下降，即具有剪切变稀行为的特性，表现为拟塑性流体：CPAM的阳离子度越高，它与SDS形成复合体系剪切变稀的行为越明显，但体系的流动类型不发生变化，仍为拟塑性；随着CPAM分子量的提高，复合体系的非牛顿性增强；温度的升高将导致复合体系的粘度显著降低，非牛顿性减弱；对于SDS用量低于等电荷当量的复合体系，pH值的变化对其流变性的影响不显著。

The electrical conductivity and percolation thresholds of realigned carbon nanotubes composites have been simulated based on Effective-Medium Theory.

基于有效介质理论(Effective-Medium Theory， EMA)模拟计算了碳纳米管(Carbon Nanotubes， CNTs)定向排列的CNTs复合材料的电导率及其渗流阈值。

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。