axial thermal diffusivity of short fiber and 2d fabric is twice as large as longitude thermal diffusivity.

短切纤维和2d碳布叠层结构的摩阻材料平行方向的热扩散率为垂直方向的两倍；

when the saturation is more than 20%, linear relationships between saturation and the thermal conductivity, thermal capacity, thermal diffusivity of compacted gmz01 are observed respectively.

当gmz01的饱和度大于20%时，不同压实干密度样品的导热系数、比热、热容量、热扩散系数均与饱和度具有线性关系。

the thermal diffusivity and the calefactive characteristic of lianrong bread by steam heating were studied via establishing math model.

本实验通过建立数学模型对传统莲蓉包蒸汽加热过程的热扩散与升温特性进行研究。

the thermal diffusivity of steel and graphite is measured.

测量了钢和石墨的热扩散率。

modulated photothermal techniques provide useful methods based on linear relations to measure the thermal diffusivity of homogeneous materials.

调制光热技术的基础上的线性关系来衡量均质材料中的热扩散提供了有用的方法。

moreover, the sample's thermal diffusivity is measured by mpr radial scanning methods. experimental results are satisfactory.

同时，我们利用mpr径向扫描法测量了块状样品的热扩散率，得到了较好的实验结果。

this paper discusses the measuring and computing methods about effective thermal diffusivity of liquid alloy by taking liquid aluminum alloy for example.

以铝合金熔液为例进行液态合金有效热扩散率的测试和计算方法研究。

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

非均质物质中，热扩散率不可能用一个简单数字来表达。

the theory and experiment techniques about measuring the thermal diffusivity of solid materials by using laser induced transient reflecting grating is introduced.

阐述了用脉沖激光引发瞬态热反射栅的方法来测量固体材料热扩散率的理论、实验装置和实验技术。

based on the theoretical discussion above, hardware and software of an automated test system for thermal diffusivity of thin films based on ac calorimetric method were designed and constructed.

在上述基础上，本文研究了基于交流量热法的薄膜热扩散率自动化测试系统的软硬件设计与实现。

the experimental data of copper was obtained about the phase lag dependence of modulation frequency at normal temperature, and the thermal diffusivity of copper was acquired by using the linear fit.

实验得到了铜在常温下的调制频率与相位差间的实验数据，通过对实验数据的线性拟合得到了铜的热扩散系数，以及铜-不锈钢在300 k和20 k低温下的接触界面层热阻。

the results show that the thermal diffusivity decrease with annealing temperature elevating.

结果表明：纳米氧化铝的热扩散率随退火温度的升高而减小。

it is because of the special features of water, buoyancy, resistance, pressure, thermal diffusivity and water attrition, which makes the movement design of water aerobics very special.

正是由于水的浮力、阻力、压力、散热性和水流摩擦等物理特性的影响，水中有氧健身操在编排上存在着特殊性。

a test software system for determining thermal diffusivity based on kingview and transient heat flow method was devel- oped.

本文在自行设计测试装置的基础上，开发基于组态王技术的瞬态热流法测试软件系统。

a nonlinear parameter estimation method was adopted to determine the thermal diffusivity of a xonotlite-type calcium silicate insulation material.

本文采用非线性参数估计方法来确定硬硅钙石型微孔硅酸钙绝热材料的热扩散率。

a method to measure thermal diffusivity of opaque materials by a laser photothermal scattering technique is introduced in this paper.

报道了一种用激光光热散射技术测量不透明材料热扩散率的方法。

the revised laser flash method is applied to measure thermal diffusivity of solid materials with low conductivity.

用改进的激光脉沖法对低导热系数的固体材料的导温系数进行了测定。文中介绍了实验装置和试样的制备。

a method to measure thermal diffusivity of opaque materials by a laser photothermal radiometry technique is introduced in this paper.

报道了一种用激光光热辐射技术测量不透明材料热扩散率的方法。

a test system of thermal diffusivity of thin films based on ac calorimetric method was described, which carried out automated measurement of thermal diffusivity of thin films.

设计并组建了一套基于交流量热法的薄膜热扩散率的自动测试系统，实现了薄膜热扩散率的自动化测量。

the theoretical analysis and measurement of the thermophysical properties, especially the thermal diffusivity of thin films have become a focus in this field.

其中对薄膜材料的热物性特别是热扩散率的测试和理论分析正在成为国内外研究的热点之一。

the relaxation process of the thermal grating is carefully investigated and the thermal diffusivity of liquid crystal is consequently obtained.

仔细地研究了热光栅的弛豫过程，并由此得到液晶的热扩散常数。

the experimental results show that thermal conductivity, thermal capacity and thermal diffusivity of gmzm increase as the dry density and water content increase.

结果表明，gmzm的导热系数、热容量和热扩散系数随压实密度的增大而显着增大，随着含水量的增大而增大；

most cast iron has curie point at about 1 040k except austenitic cast iron and white cast iron, their thermal diffusivity is the minimum there.

除奥氏体铸铁和白口铸铁外大多数铸铁在1040k附近存在居里点，导温系数在该处出现最小值；