Two mathematical models of the dynamic measurement for thermal conductivity of materials are described by taking into account the effect of thermal expansion during the experiment.

本文介绍了用于材料导热系数瞬态测量的两种数学模型。它们考虑到在实验过程中材料膨胀的影响。

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The advantage of vacuum deposition is that it's possible to make very high-quality films, which result in materials with higher conductivity.

真空沉积法的优势在于它可以制出高品质的薄膜，从而成为高导电性的材料。

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Wires of different materials, although of the same diameter and length, differ in their conductivity.

不同材料的电线，尽管直径、长度相同，其电导率是不一样的。

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