effective thermal conductivity短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 有效热传导率 Many theoretical and empirical models have been summarized to predict the effective thermal conductivity of polymer based composites. 本文对聚合物基复合材料的各种导热模型进行了归纳和总结，包括理论性和经验性的模型。 chemyq From the mathematical formulation of effective thermal conductivity for periodic microstructures, the effective conductivity matrix is evaluated by means of the finite element method. 根据均匀化理论给出的周期性材料微结构单胞等效导热系数的计算公式，结合有限元分析手段对单胞的等效导热系数求解； cnki