| 1. | In materials marked by low thermal diffusivity, the absorption is good .
热扩散率低的物质吸收性好。 |
| 2. | The thermal conductivities and thermal diffusivities of the material must be known .
必须知道各种材料的热导率和热扩散率。 |
| 3. | 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。 |
| 4. | These kinds of measurements are necessary for determinations of thermal diffusivities from the thermal conductivity and densities .
根据热导率和密度确定热扩散率必须进行这种测量。 |
| 5. | Limiting the extraction of great amount of heat from the underground even more is the low thermal conductivity and low thermal diffusivity of rocks .
由于岩石的热导率和热扩散率都比较低，更加限制了地下热能的大量抽取。 |
| 6. | Test method for thermal diffusivity of hardmetal carbide
硬质合金热扩散率的测定方法 |
| 7. | Standard practice for calculating thermal diffusivity of rocks
计算岩石的热扩散系数的标准实施规范 |
| 8. | Method for measuring thermal diffusivity of metals by the laser flash method
用激光闪烁法测量金属的热扩散性的方法 |
| 9. | Specification for thermal spray feedstock - solid and composite wire and ceramic rods
热扩散原料规范.固体合成导线及瓷棒 |
| 10. | Test method for thermal diffusivity of carbon and graphite by a thermal pulse method
热脉动法进行碳和石墨热扩散的试验方法 |
