Discusses some issues about determining thermal migration coefficient value for calculating the cooling load from machine.

对机器散热冷负荷计算中热迁移系数的取值问题进行了探讨。

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Diffusion coefficient is one of the important parameters deciding migration prediction in migration model of compounds from food packaging material.

在食品包装材料化合物的迁移模型中，扩散系数是决定模型预测性的重要参数之一。

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The purpose of migration is to inversely solve for the singularity (interrupted surface of interval velocity) of wave equation coefficient.

偏移的目的是要反演波动方程系数的奇性(层速度的间断面)。

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