• Select Plastic Material with large thermal diffusivity.

    选择扩散系数塑料

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  • The thermal diffusivity of steel and graphite is measured.

    测量了石墨扩散率

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

    扩散率物质吸收性好。

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

    结果表明:纳米氧化铝扩散率退火温度的升高而减小

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

    均质物质中,扩散率不可能用一个简单数字来表达。

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  • The thermal diffusivity of the specimen is determined by a new nonlinear least-square fitting algorithm.

    一种新的非线性最小二乘拟合算法确定试样系数。

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  • The dependence of dendritic growth behavior on intentionally varied thermal diffusivity DT is investigated.

    研究了人为变化不同扩散系数枝晶生长行为的影响。

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  • Moreover, the sample's thermal diffusivity is measured by MPR radial scanning methods. Experimental results are satisfactory.

    同时,我们利用MPR径向扫描测量了块状样品扩散率,得到了较好的实验结果。

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  • A test software system for determining thermal diffusivity based on Kingview and transient heat flow method was devel - oped.

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

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  • The objective of the invention is to improve thermal diffusivity of switching element even using a plurality of switching elements.

    本发明目的在于,即使使用多个开关元件的情况下也能够提高开关元散热性。

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

    报道了一种激光光热散射技术测量不透明材料扩散率方法

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

    报道了一种激光光热辐射技术测量不透明材料扩散率方法

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

    实验通过建立数学模型传统莲蓉蒸汽加热过程的扩散升温特性进行研究。

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

    调制光热技术基础线性关系衡量质材料中的扩散提供了有用的方法

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

    仔细地研究了光栅弛豫过程由此得到液晶的热扩散常数

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  • Heat transfer equation is a kind of basic mathematical-physical equation. The thermal diffusivity is an important thermal physical parameter for soil.

    传热方程一类常见基本数学物理方程,导率土体重要的热物理参数

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

    铝合金进行液态合金有效扩散率测试计算方法研究。

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

    其中对薄膜材料物性特别是扩散率的测试理论分析正在成为国内外研究的热点之一。

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  • 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导热系数、热容量扩散系数随压实密度增大显著增大,随着含水量的增大而增大;

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

    阐述了脉冲激光引发瞬态反射方法来测量固体材料扩散理论、实验装置实验技术

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  • 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结构较笼型异步电机结构具有更好散热较低维修成本

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  • 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,散热性能稳定

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  • 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.

    实验得到常温下调制频率相位差间的实验数据通过实验数据线性拟合得到了铜的扩散系数,以及铜-不锈钢在300 K和20 K低温下的接触界面层热阻。

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  • 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.

    基础上传统常功率平面热源进行了改进,建立了改进的数学模型。

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  • 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.

    基础上传统常功率平面热源进行了改进,建立了改进的数学模型。

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