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- 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
- thermal diffusivity of rocks 岩石热扩散率
- The measuring thermal diffusivity of film materials by laser photoacoustic backing exciting technique[J]. 引用该论文 王培吉;周忠祥;梁伟;张奉军;张仲;范素华.
- A new approach for measuring thermal diffusivity of solid material by modulated photothermal reflectance (MPR) technique was introduced. 摘要提出一种利用调制光热反射(MPR)技术测量固体材料热扩散率的新方法。
- This paper describes the principle and experiment setup of AC calorimetric method for measuring thermal diffusivity of SiO 2 thin films. 本论文从实验角度出发，采用交流量热法对二氧化硅、氮化硅和多晶硅薄膜的热扩散率进行研究。
- Abstract: A test system of thermal diffusivity of thin films based on AC calorimetric method was described, which carried out automated measurement of thermal diffusivity of thin films. 文章摘要: 设计并组建了一套基于交流量热法的薄膜热扩散率的自动测试系统，实现了薄膜热扩散率的自动化测量。
- The thermal diffusivity of samples were obtained by comparing the sample's MPR amplitude-frequency response with the response of a referenced sample which the thermal diffusivity was known. 通过比较待测样品与已知热扩散率材料幅频特性的差异，得到待测样品的热扩散率。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- The thermal diffusivity of alloying powder briquette in the process of alloying forming is calculated through temperature measurement in inner and outer interface of alloying powder briquette. 通过对合金粉膏块内外界面上温度变化曲线的测试，计算出了膏块在合金化形成过程中的热扩散率。
- There are two types of rocks in this area. 这个地区有两种类型的岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Study on Thermal Diffusivity of Lianrong Bread 莲蓉包热扩散特性的研究
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- 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。
- A shower of rocks and stones rattled on the roof of the dug-out. 一阵岩块和石子噼噼啪啪地打在掩蔽部的顶上。
- C. Fisher and the approximation solution of Le Claire, thermal diffusivity of copper in Ta and TaN layer was calculated. The diffusion coefficient of Cu in Ta is one order larger than that in TaN (T=630oC). 利用Fisher扩散原理和Le Claire简化公式，计算并比较了Cu在TaN和Ta中的晶界扩散系数，前者比后者小一个数量级（T=630oC）。
- A spur of rock stuck out from the mountain. 山背上突起一个石脊。
- DFP Inverse Method of Effective Thermal Diffusivity of Liquid Alloy 液态合金有效热扩散率DFP反算方法
- He managed to hang on to a piece of rock protruding from the cliff. 他设法抓住了悬崖上向外伸出的岩石。
