thermal diffusivity

Select Plastic Material with large thermal diffusivity.

选择热扩散系数大的塑料.

Computerized laser thermal diffusivity measure-ment apparatus

计算机运控的激光热导仪的研究

In materials marked by low thermal diffusivity, the absorption is good.

热扩散率低的物质吸收性好.

Research of Soil Thermal Diffusivity and Liquid Water Flux Density at linfen City

临汾市土壤热扩散率和液态水通量密度研究

The effect of thermocouple response on measurement of thermal diffusivity by laser pulse method

热电偶响应对激光脉冲法测量热扩散率的影响

Thermal conductivity and specific heat decrease while thermal diffusivity increases with the increase of space-holder addition.

随着造孔剂添加量的增大,毛细芯的导热系数和单位体积热容显著减小,热扩散系数明显增大.

Photothermal signals from anisotropic media, which is irradiated by a modulated laserbeam, are analyzed in the second part. The temperature field and thermal diffusivity tensor of anisotropic media is theoretically studied.

第二部分分析了各向异性介质受调制激光束辐照下产生的光热信号，理论上推导各向异性介质的温度场以及热导率张量；

Specific heat, thermal diffusivity and thermal conductivity of li_2b_4o_7 single crystal

Li2B4O7晶体的比热、导温和导热性能

A New Thermal Probe Method for Determining Thermal Conductivity Based on the Minimal Dispersion of Thermal Diffusivity

据热扩散率最小离散度确定导热系数的新热探针法

Variation of Soil Temperature and Thermal Diffusivity in Vegetated and Bare Sand Dunes in Arid Desert Region

沙漠地区人工固沙植被对土壤温度与土壤导温率的影响

Study on Automated Test System of Thermal Diffusivity of Thin Films Based on AC Calorimetric Method

基于交流量热法的薄膜热扩散率自动测试系统的研究

Simultaneous temperature and thermal diffusivity measurement of ultra-high temperature material based on multi-spectral technique

基于多光谱技术同时测量超高温材料的温度和热扩散率

In heterogeneous anisotropic materials the thermal diffusivity cannot be described by a single number.

在各向异性的非均质物质中,热扩散率不可能用一个简单数字来表达.

The influence of carbon content. nickel content in binder and temperature on the thermal diffusivity of WC-Co-Ni hard metals were studied.

本文研究了配碳量、粘结相中镍含量和温度对WC－Co－Ni硬质合会热扩散事的影响。

The thermal diffusivity can be extracted from the time dependence of the two thermal resistances cooling in free air.

通过分析两个长度相同、宽度与厚度相同梁的瞬态冷却特性，获得其冷却时的温度衰减时间常数，便可以提取出表面加工多晶硅薄膜的热扩散系数。

Thermal conductivity, thermal diffusivity and volume specific heat were studied using the transient plane source method.

采用瞬态平面热源法,研究了毛细芯的导热系数 、 热扩散系数和单位体积热容.

Study on the Thermal Diffusivity and Thermal Conductivity by PTR Method

PTR方法对材料热扩散率和热导率的研究

This paper mainly studies on the thermal diffusivity and thermal conductivity by PTR method.

本文主要用光热辐射（PTR）技术理论来研究材料的热扩散系数和热导率。

When the front surface of the specimen is radiated by a laser pulse, the thermal diffusivity a can be obtained by the temperature rising history of the rear surface of specimen ( i.e. Parker's method).

当样品的前表面被一束脉冲激光照射时，可从样品后表面的温升历程得到热扩散率，此即Parker的方法。

Applicable environmentrovided with favorable electromagnetic compatibility prevent electromagnetic interference function of good thermal diffusivity, reliable performance.

具有良好的电磁兼容性,不会对周边环境造成电磁干扰.灯具整体温度低,散热性好, 性能稳定.