temperature diffusivity
英
美
网络 热扩散系数; 导温系数; 温度扩散; 热扩散
双语例句
- Based on the vertical temperature profile data of natural river ice, this paper establishes optimal identification model about distributed parameter system where parameters are the coefficients of fitted functions, and fits coefficients of thermal diffusivity of river ice by exponential function and linear function respectively.
依据天然河冰垂直温度剖面数据，构造了以拟合函数的系数为参变量的分布参数系统优化辨识模型，并分别用指数函数和线性函数拟合了河冰导温系数。 - In addition, the changes of the parameters ( the temperature, the electron density, the electrical conductivity, the electron thermal conductivity and the electron thermal diffusivity) along the discharge channel in one cloud lightning have been discussed.
另外，分析讨论了一次云闪放电通道各参数（温度、电子密度、电导率、电子的热导率和热扩散系数）沿通道的变化情况。 - Simulation was conducted across wide ranges of partial pressure of water vapor in the air, product initial temperature, water activity, diffusivity, at food surface and effective diffusivity inside food.
模拟计算涉及环境中水蒸气分压力、食品初始温度、水分子活性、食品表面及内部扩散力。30分钟释放压力（3）在振荡腔内的和水楔作用； - The adsorption equilibrium constants decreased with the temperature, while the diffusivity increased with temperature.
烃分子的吸附平衡常数随温度的升高而降低，而扩散系数随温度的升高而增大。 - With the increase of temperature the adsorption equilibrium constants decrease while the effective diffusivity increases.
实验结果表明，有效扩散系数随温度升高而增大，吸咐平衡常数则正好相反。 - 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300K和20K低温下的接触界面层热阻。 - In this model, the influences of temperature, pressure and composition on liquid diffusivity were comprehensively considered.
该模型反映了温度、压力及组成对液相扩散系数的影响。 - A two layer numerical model is given which includes vertical integration equation, momentum equation, temperature equation, and its adjoint equations to study the vertical diffusivity coefficient.
本文给出了一个二层数值模式，包括全流方程、运动方程和温度方程，建立了一个伴随同化模式来研究垂直混合系数。 - In comparison with other classic models, the improved model was characterized by directly reflecting temperature effect in water potential, hydraulic conductivity and water diffusivity and without adding additional qualities or terms to reflect the mechanism of temperature effect on soil water transportation.
与其他经典模型相比，提出的改进模型的最大特点是它在水势、水力传导系数和水的扩散系数中直接反映温度效应，而不需要增加新的反映温度效应的附加项。 - On the basis of the vertical temperature profile data of natural river ice, the relationship between the thermal diffusivity of natural river ice (_0.19~-14.02 ° C) and the ice temperature is identified.
利用天然河冰垂直剖面温度实测数据，辨识了天然冰（-0.19～-14.02℃）导温系数随温度的变化关系。