diffusivity

diffusivity的英语例句

1. In heterogeneous anisotropic materials the thermal diffusivity cannot be described by a single number.

   在各向异性的非均质物质中,热扩散率不可能用一个简单数字来表达.

2. In materials marked by low thermal diffusivity, the absorption is good.

   热扩散率低的物质吸收性好.

3. The permeability, diffusivity and solubility of hydrogen in 21 - 6 - 9 aust.

   本工作采用超高真空气相渗透-动态监测技术, 研究了氢在21-6-9奥氏体不锈钢中的渗透.