Select Plastic Material with large thermal diffusivity.
选择热扩散系数大的塑料。
The thermal diffusivity of steel and graphite is measured.
测量了钢和石墨的热扩散率。
In materials marked by low thermal diffusivity, the absorption is good.
热扩散率低的物质吸收性好。
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。
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 thermal diffusivity of the specimen is determined by a new nonlinear least-square fitting algorithm.
用一种新的非线性最小二乘拟合算法确定出了试样的导温系数。
The dependence of dendritic growth behavior on intentionally varied thermal diffusivity DT is investigated.
研究了人为变化的不同热扩散系数对枝晶生长行为的影响。
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。
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。
The objective of the invention is to improve thermal diffusivity of switching element even using a plurality of switching elements.
本发明的目的在于，即使在使用多个开关元件的情况下也能够提高开关元件的散热性。
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。
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。
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。
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。
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。
Heat transfer equation is a kind of basic mathematical-physical equation. The thermal diffusivity is an important thermal physical parameter for soil.
传热方程是一类常见的基本数学物理方程，热导率是土体重要的热物理参数。
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。
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 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著增大，随着含水量的增大而增大；
The theory and experiment techniques about measuring the thermal diffusivity of solid materials by using laser induced transient reflecting grating is introduced.
阐述了用脉冲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。
Meanwhile, the structure of toroidal windings asynchronous motor has better thermal diffusivity and lower maintenance costs than the structure of squirrel-cage asynchronous motor.
同时，环形绕组异步电机的结构较笼型异步电机的结构具有更好的散热性及较低的维修成本。
Applicable environment: Provided with favorable electromagnetic compatibility prevent electromagnetic interference occur with function of good thermal diffusivity, reliable performance.
适用环境：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。
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。
On this basis a new data processing method is presented, and the traditional plane source method is revised for measuring the thermal conductivity and diffusivity of insulating materials.
在此基础上对传统的常功率平面热源法进行了改进，建立了改进的数学模型。
On this basis a new data processing method is presented, and the traditional plane source method is revised for measuring the thermal conductivity and diffusivity of insulating materials.
在此基础上对传统的常功率平面热源法进行了改进，建立了改进的数学模型。
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