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eddy thermal diffusivity 涡流热扩散系数
In materials marked by low thermal diffusivity, the absorption is good. 热扩散率低的物质吸收性好。
Influence of Stress on Thermal Diffusivity by Laser Photothermal Technique[J]. 引用该论文王培吉;张仲;范素华.
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。
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.
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
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。
Experiment result indicates that the RFHP has greater thermal diffusivity, and can reduce junction-to-case thermal resistance of the module. 结果表明：与铜基板相比，径向平板热管具有更高的热扩散能力，可降低模块的结壳热阻；
The thermal diffusivity and the calefactive characteristic of Lianrong bread by steam heating were studied via establishing math model. 本实验通过建立数学模型对传统莲蓉包蒸汽加热过程的热扩散与升温特性进行研究。
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。
The product,made of import materials,with the features of abrasion proof,good thermal diffusivity,is mostly applied to woodworking,-marble processing,steel industry and so on. 本产品主要用于木工、大理石、钢铁等行业，采用进口原材料配制而成，其特点是耐磨，散热性好。
The determining principle of rubber heat transfer property and the testing mothods of rubber thermal conductivity thermal diffusivity and specific heat capacity were described. 介绍橡胶热传导性能测定的基本原理及导热系数，热扩散系数和比热容的测量方法。
For BaTiO_3 film materials,the result indicates that thermal diffusivity shows clear size effect when film thickness is micrometer size.The experiment result can be analys... 结果表明当薄膜材料的厚度减少到微米级时,热扩散率表现出对厚度尺寸效应的依赖性,此时需用微观热量输运理论进行分析。
The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
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。
Eddy try to nickel and dime his way through life. 埃迪想脚踏实地慢慢地取得成功。
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。
It is found that the dendrite steady-state tip subcooling and velocity are roughly in proportion to thermal diffusivity,respectively,and radius is in inverse proportion to thermal diffusivit... 此外研究发现枝晶稳定生长时;其尖端过冷度和速度与热扩散系数成正比;尖端半径与热扩散系数成反比.
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。
The car went past in an eddy of dust. 那汽车在一阵滚滚的尘土中驰过。