Based on non-Fouriers law of heat conduction, by using the expansion method of wave functions, the thermal wave scattering by subsurface cylinders in the opaque body is investigated. 基于非傅里叶热传导定律,采用波函数展开法,研究了含圆柱缺陷非透明体中热波散射问题。
Experimental Study of Overcoming Laser Rod ′ s Thermal Effect with Stimulated Brillouin Scattering Phase Conjugation Mirror 利用受激布里渊散射相位共轭镜克服激光棒热效应的实验研究
Competition between Stimulated Thermal and Brillouin Scattering and Its Phase Conjugation Characteristic 受激热散射与布里渊散射的竞争及其共轭特性
Present condition and prospects of thermal neutron scattering work in China 我国的热中子散射工作现况和展望
The paper introduces several methods reported recently which are intended for reducing the thermal conductivity of skutterudite related materials with phonon scattering mechanism, and describes some ideas and methods for research and development of skutterudite related thermoelectric materials. 结合声子散射机制介绍了近来报道的几种降低skutterudite类热电材料热导率的途径,为研究和发展skutterudite类热电材料提供一些思路和方法。
By combined the Monte Carlo method and curved ray tracing technique, the thermal emission characteristics of an anisotropic scattering semitransparent medium with gradient refractive index was analyzed. 将蒙特卡罗法和弯曲光线跟踪技术相结合,研究了各向异性散射性梯度折射率半透明介质层的发射特性。
Thermal emission characteristics of an anisotropic scattering medium layer with gradient index 各向异性散射梯度折射率介质层的热发射特性
Phase Conjugation by Stimulated Thermal Scattering 受激热散射相位共轭
Studies on the Application of Laser Thermal Lens Spectrometry To Analysis under Conditions of Light Scattering Backgrounds 激光热透镜光谱分析法在散射样品分析中的应用研究
The thermal diffuse X-ray scattering and elastic constants of zinc 锌的X射线热漫散衍射及弹性系数
It showed that thermal damage could be described by scattering coefficient. 结果表明,热作用过程中,散射系数的变化量随时间的变化关系可用于描述生物组织的热损伤过程;
Optical Vortices in A Thermal Rayleigh Scattering Light Field 散射光场中的光学涡旋
However, the filled Skutterudite compounds, which have lower thermal conductivity because of the phonon scattering of the lattice caused by the filled rare-earth large quality atoms, have been studied widely. 填充Skutterudite型化合物由于将大质量的稀土原子填充入Skutterudite材料的晶格之中发生声子散射作用而降低热导率,近年来得到了普遍的研究和应用。
Thermal Wave Multiple Scattering by Subsurface Cylinders 亚表面圆柱体对热波的多重散射问题
On the basies of the group theory and lattice dynamics theory, all the Raman peaks are assigned, and a correlation between the thermal conductivity and the Raman scattering strength is given in this paper. 根据空间群理论指认了测定的特征谱线,依据晶格动力学理论导出了晶体热导率与积分拉曼散射强度的关系。
An Analytical Thermal Emission Model on the Effect of Multiple Scattering for 3-D Structural Pixel and the Model Validation 两组分非同温像元热辐射中多次散射影响的解析模型和验证
The regularity of laser myocardium interaction was studied according to diffusion approximation. The result indicates it can effectually reduce extent of myocardial thermal damage to enhance absorbance and reduce scattering. 根据光子传输的漫射近似理论对激光与心肌组织的相互作用规律进行了研究,结果表明:加强心肌组织对光子的吸收作用、减少散射作用可以有效地减少激光对心肌组织造成的热损伤范围。
Experimental study of stimulated thermal Rayleigh scattering in liquids 液体中的受激热瑞利散射实验研究
A brief description of the elementary scattering theory of the interaction between the thermal neutrons and the condensed matter is given and the characteristics related to the experimental method of the thermal neutrons inelastic scattering is described. 本文扼要地叙述了热中子与凝聚态物质相互作用的基本散射理论,说明了热中子非弹性散射实验方法的特点。
The thermal vibrations of lattice atoms and electronic multiple scattering are taken into account. 计算中除了考虑晶格原子热振动、电子多次散射等因素,在Al单晶表面引入了Al2O3有效氧化层。
Application of the Thermal Diffuse Scattering in Polymer Science 热漫散射在聚合物中的应用
The interference mechanism of cold smoke for IR thermal imaging set is absorption and scattering of smoke particles. 冷烟幕主要是通过烟幕粒子的吸收和散射作用干扰热像仪;
Thermal wave scattering of two cylinders in the semi-infinite body 半无限体内双圆柱亚表面热波散射问题的研究
Thermal neutron inelastic scattering and its application to the material science 热中子非弹性散射及其在材料科学中的应用
Thermal neutron scattering on Fe based amorphous invar alloys 铁基非晶态因瓦合金的热中子散射研究
Calculation of the thermal neutron scattering law using the method of Fourier transform 用傅立叶变换方法计算热中子散射律
Concept and Theoretical Description of Stimulated Thermal Scattering 受激热散射基本概念及理论描述
Under weaker pumping conditions stimulated thermal Rayleigh scattering would loss weaker phase information in original wavefront as same as stimulated Brillouin scattering did due to threshold effect; 由于阈值效应,弱抽运时受激热瑞利散射与受激布里渊散射一样将丢失原始波前中较弱的相位信息;
Generally, the confinement effect obtained through multiple interfaces, which is considered as grain boundary, can effectively reduce the propagation of phonons in all directions. Meanwhile, the interface effect is usually used to reduce the thermal conductivity by phonon scattering. 限域效应是通过多个界面(这里可以看作晶界)来实现的,可以有效地降低声子在某些方向的传播从而降低热导率,界面效应对声子散射也通常用来降低热导率。
As for the thermal conductivity, besides Rayleigh-type point defect scattering and electron-phonon scattering, the resonant scattering due to the interaction between phonons and localized vibration modes also plays an important role in the phonon transport process. 在晶格的热传导方面,除了瑞利点缺陷散射和电子&声子散射之外,声子和局域振动之间的相互作用引起的共振散射也起着非常重要的作用。