diffusivity rate

英

美

【电】扩散率

A plane heat source method for simultaneous measurement of the thermal diffusivity α and conductivity λ of insulating materials with constant heat rate
同时测定热绝缘材料α和λ的常功率平面热源法
Because of the higher void content, G3D/ EEPE composite possessed higher water equilibrium uptake M ∞, diffusivity D and moisture rate K than GL/ EEPE composite.
由于G3D/EEPE复合材料具有较高的孔隙率，使其平衡吸湿率M∞、扩散系数D和吸湿速率K均高于GL/EEPE复合材料。
Supercritical Carbon dioxide ( SC-CO_2), as a possible replacement of traditional physical foaming agents, have high diffusivity in polymer melts and can get high nucleation rate.
超临界CO2（SupercriticalCarbonDioxide，简称SC-CO2）由于其传质系数高，可实现微孔塑料所需的很高的成核速率等优点，而取代传统的发泡剂，用于微孔塑料的挤出发泡。
In this paper, the experimental results are reported for measuring the apparent thermal conductivity, A, and apparent thermal diffusivity, a, of the moist aerocrete with the plane heat source method of constant heat rate.
本文报道了用常功率平面热源法测定含湿加气混凝土砌块导热系数和导温系数的试验结果。
The measurement of apparent diffusivity d by hydrogen permeation under slow strain rate tensile test condition
慢应变速率拉伸条件下氢渗透表观扩散系数的测定