导热

The most significant requirement of the material in the application is a low and consistent thermal conductivity value.

应用材料最重要的要求是低导热性值，并且是相容一致的。

Compared with other wave-guide material, glass is not so good on the thermal conduction, and its transmission loss is bigger, but it is easy for processing, especially the wave-guide surface can have much higher degree of finish.

虽然玻璃较其它波导材料导热性能较差、传输损耗较大，但由于易加工，尤其是波导面可达到很高的光洁度，且价格低廉，因此硬质玻璃波导CO_2激光器仍具有很高的实用价值。

Instead of the rather complicated analytical method and computer aided numerical method for solving two dimensional steady state heat conduction problem of perforated metal sheet s this paper proposes an electroconductive paper based thermoelectrical analogy method.

开孔金属薄板的二维稳态导热问题采用分析解和计算机数值解都相当复杂，不便实用。

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。

Effective heat capacity method was used to simulate heat transfer of freezing phase change growth in the metallic foams at the third boundary condition. The average temperature distributions vs. time in the metallic foams were obtained. The results showed effects of different porosity and thermal conductivity on the temperature distributions.

采用显热容法模拟了第三类边界条件下泡沫金属中水的冻结相变传热过程，得到了泡沫金属中骨架和流体的温度分布及其平均温度的变化，分析了不同骨架导热系数及不同孔隙率对介质温度分布的影响。

All Duraboard products offer low thermal conductivity, high temperature stability, uniform density, and excellent resistance to thermal shock and chemical attack.

所有Duraboard产品都具有低导热率、高温稳定性、均匀的密度，以及优异的抗热冲击及化学侵蚀能力。

By means of"random distribution model"proposed by Woodside, the calculation model of the effective thermal conductivity of Ni catalyst under reactions has been established

以Woodside随机分布模型，建立了反应条件下催化剂有效导热系数的计算模型为

It found how the thermal conductivity of YSZ changes with the adding amount of yttria .

找到了氧化钇加入量变化时YSZ导热性能的变化规律。

By introducing the mixing rule, only molecular weight and acentric factor and critic parameters of each components are required as input.

该模型通过引入混合规则，仅需输入混合工质各组分的分子量、偏心因子和临界参数即可预测混合工质的粘度和导热系数。

Enhancement of the heat and mass transfer of adsorbent is very valuable to adsorption refrigeration.

提高吸附剂的导热传质性能对吸附制冷的研究具有较大的实用价值。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐