查询词典 temperature conductivity

A method of measuring the materials thermal conductivity is proposed, through optimal approach of the measurement of the surface temperature with the analytical solution to calculate the materials thermal conductivity in the third boundary condition.

提出了一种根据第三类边界条件下物体瞬态温度场的变化规律，利用物体表面温度的实测值推算物体导热系数的快速测定方法。

When the temperature rose, both electron conductivity and hole conductivity unexceptionally fell down.

温度对乳剂微晶体的电子电导率和空穴电导率的影响，是一个重要的因素。

In this paper, finite element software ANSYS is used to simulate the thermal conductivity and pressureless infiltration technique is used to produce aluminum infiltrated silicon carbide composite with high volume fraction of SiC. The influence of interfacial thickness and temperature on thermal conductivity and CTE have been investigated and analysed.

本文采用有限元软件ANSYS对铝渗碳化硅复合材料的有效热导率进行了数值模拟，用无压浸渗法制备了高体积分数的铝渗碳化硅复合材料，研究了界面层厚度和温度等对铝渗碳化硅复合材料的热导率和热膨胀系数的影响，并进行了分析。

The oxide ionic conductivity was increased with the increase of temperature, but the protonic conductivity displayed a maximum at 900 ℃, due to the combined increase in mobility and depletion of the carriers. The fuel cell could work stably.

氧离子电导率随着温度的升高而增大，而质子电导率在约900℃时出现最大值，这是由于在陶瓷中质子迁移率的增大及质子浓度的降低共同影响的结果。

thermal conductivity ; thermometric conductivity ; coefficient of energy storage ; heat resistance ; motor temperature rise ; motor insulation structure

本文的目的是将建筑材料的热传导基础理论用于电机、电器的热场设计之中，加快我国

It is showed that the propping fracture conductivity of gas log is 1.5 to 2.5 times higher than that of liquid log under the same testing conditions (such as haydite type, sanding concentration, temperature and pressure). A lower average sanding concentration in gas well fracturing should be adopted than that in oil well fracturing so as to obtain the same propping fracture conductivity.

结果显示，在相同实验条件下（陶粒类型、铺砂浓度、实验温度和压力），气测导流能力值比液测值高1.5~2.5倍，表明要获得相同的支撑裂缝导流能力，气井压裂中的铺砂浓度应比油藏低。

At the same temperature, the conductivity and molar conductivity were increasing with the concentration.

在相同温度下，电导率及摩尔电导率随浓度的增大而增大；在相同浓度下，电导率及摩尔电导率随温度的升高而增大。

The changes of the conductivity, molar conductivity, activity coefficient and relative partial molar free energy of LiCl with concentration and temperature of the solution were discussed.

应用电导率仪在288~308K温度范围内测定了LiCl在纯有机溶剂中的电导率；利用公式计算了LiCl的摩尔电导率；按Kohlrausch经验公式，使用Origin软件进行线性拟合，作图外推求得LiCl在异丙醇中的无限稀释摩尔电导率λ0值；并讨论了LiCl在异丙醉中的电导率、摩尔电导率、活度系数和相对偏摩尔自由能随溶液浓度和温度的变化关系及其温度对LiCl溶液无限稀释摩尔电导率的影响。

The conductivity of the treated carbon black gradually increases by sequence of heat treatment、 KOH treatment、 vapor treatment、 CO_2 treatment at high temperature. The conductivity of the carbon black treated by CO_2 is one time more than that of the untreated.

高温改性炭黑的导电性依热处理和KOH处理、高温水蒸气处理、高温CO_2处理而逐步增大，其中CO_2处理的炭黑比未处理炭黑的导电能力高出一倍以上。

At room temperature directly touch the surface of heat sink, cooler feeling relatively good thermal conductivity, I feel relatively poor thermal conductivity of heat.

直接在室温下用手摸散热片的表面，感觉比较凉的导热性较好，感觉比较热的导热性较差。

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。