讨论了可变导热系数的复合介质的导热性。
The thermal conduction of a composite medium with variable thermal conductivities is discussed.
随着温度的下降导热系数反而增大。
Thermal conductivity increases with the decrease of temperature.
软木砖导热系数与容重间存在着一定的关系。
There is a certain relationship between thermal conductivity and density of corkboard.
这就是基本方程，其中导热系数为温度的函数。
This is the governing equation, where the thermal conductivity is a function of temperature.
分别计算了测定导热系数时因偏心造成的误差。
The error of measurement of heat conductivity caused by eccentricity is estimated.
为测定物体变导热系数提供了一个有效的方法。
It has provided an effective method for the measurement of the variable thermal conductivity.
主要测试塑料，玻璃，纤维，泡沫等材料的导热系数。
The main test of plastic, glass, fiber, thermal conductivity of foam materials.
具有强大的可塑性，导热系数低，能够耐高温等特点。
With a strong plasticity, low thermal conductivity, resistance to high temperature, etc.
岩棉保温毡是导热系数低的一种优质的保温隔热材料。
Rock wool carpet heat preservation is low thermal conductivity of a kind of high quality thermal insulation material.
多孔材料等效导热系数与分形维数关系的数值模拟研究。
Numerical simulation of relationship between thermal conductivity of porous material and fractal dimension.
研究了泡沫-EPS保温砂浆的导热系数与干密度的关系。
The relationship between coefficient of thermal transmission and dry density of foamed EPS thermal insulation mortar is also researched.
散热片选用较高导热系数的材料对提高热传导效率很有帮助。
Selection of high thermal conductivity of the heat sink material is very helpful to improve the efficiency of heat conduction.
采用稳态比较法，对铁路碎石道碴层的导热系数进行了测试。
In this paper, the thermal conductivity of railway ballast is measured by steady comparison method.
本论文通过多种手段对木材的导热系数进行了理论和实验研究。
The thermal conductivity of wood was studied in this thesis using several theoretical and experimental methods.
并在考虑材料真空放气的情况下，计算了管套的当量导热系数。
With vacuum outgassing taken into acount, the equivalent conductivity of annulus is analyzed in detail.
屋面保温材料应选用孔隙多、表观密度小、导热系数(小)的材料。
Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.
实验和计算结果显示，玄武岩颗粒料床的导热系数随温度线性的增加。
The experimental results show that the effective thermal conductivities of basalt beds increase linearly as temperature increases.
开发出一种使用热线法测量和确定高温下固体材料导热系数的新方法。
A new measurement technique for thermal conductivity of solids at high temperature by the hot wire method is developed.
本文导出了基于逾渗理论并考虑温度影响的散体有效导热系数预测模型。
On the basis of percolation theory, a effective thermal conductivity model of disperse system was presented considering temperature influence.
由于水的导热系数很高，水分进入岩棉制品后，其导热系数将大幅度上升。
Because of the thermal conductivity of water, and water high into the rock wool products, the coefficient of thermal conductivity will rise dramatically.
对建筑保温系统有了解的朋友会知道，材料的干湿度和导热系数关系很大。
Friends of the building insulation system will know that the material has a great relationship between the dry humidity and thermal conductivity.
首先，本工作开发了一基团贡献模型用于预测常压下聚合物熔体的导热系数。
The first one is a group contribution model for the prediction of the thermal conductivity of polymer melts.
传热系数，热阻率，导热系数，换热器，热对流，热传导，热辐射，对流传热。
Heat-transfer coefficient, heat resistivity, heat conductivity, heat exchanger, heating convection, heat conduction, heat radiation, heat convection exchange.
导热系数是耐火材料重要的热学性能参数，也是炉窑设计重要的热工技术参数。
The thermal conductivity is an important thermal performance parameter of the refractory, is also an important thermal technical parameter of the kiln design.
导热系数是物质重要的热物理性质之一，对工程设计和科学研究具有重要的作用。
Based on these findings, an effective thermal conductivity can be attributed to a system of VIPs.
复合硅酸盐保温材料可塑性强、导热系数低、耐高温、浆料干燥收缩率小等特点。
Composite silicate insulation material plasticity, low thermal conductivity, high temperature resistant, low pulp drying shrinkage rate, etc.
导热系数是物质重要的热物理性质之一，对工程设计和科学研究具有重要的作用。
Thermal conductivity is one of the important thermal-physical property of matters, and is very important in both practical application and theoretical research.
与传统的建筑材料相比，陶粒混凝土具有导热系数小、重量轻、结构性能好等优点。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
其次，在该预制件体系中通过添加导热系数较低的原料，提高内衬材料的保温性能。
Secondly, in the prefabricated system, through the addition of raw materials with lower heat conduction coefficient, raising warming performance of lining material.
在实际应用中，正确地测定和估算某些多层复合材料的导热系数，具有重要的意义。
It is of importance to determine and estimate accurately the thermal coefficient of some kinds of layer compositer.
应用推荐