| 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. | A new method of measuring thermal diffusivity for solid material by modulated photothermal reflectance technique
光热反射技术测量材料热扩散率的一种新方法 |
| 8. | A new thermal probe method for determining thermal conductivity based on the minimal dispersion of thermal diffusivity
据热扩散率最小离散度确定导热系数的新热探针法 |
| 9. | Advanced technical ceramics . ceramic composites . thermophysical properties . determination of thermal diffusivity
高技术陶瓷.陶瓷混合物.热物理学特性.第2部分:热扩散率的测定 |
| 10. | Testing of carbon materials ; determination of thermal diffusity at high temperatures by the laser pulse method ; solid materials
炭素材料的试验.高温下用激光脉冲法测定热扩散率.固 |
