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- Keywords laser-ultrasound;optical penetration effect;directivity;,,,,thermal diffusion effect;electrostriction effect;spectrum;,,,,displacement; 激光超声、光穿透效应、热扩散效应、电致伸缩效应;指向性、位移、频谱;
- thermal diffusion effect 热扩散效应
- Thermal diffusion Crust: make use of the top grade aluminum alloy of the curst, faster scatter thermal diffusion. 散热外壳：采用高档铝合金外壳，更加快速散热。
- We report a new chemical thermal diffusion method for permeating 45 steel with zirconium. 本文首次报道了用气相法对45钢表面渗锆。
- The conclusion is that BSR has contagion and diffusion effect that has self-magnification and can make the banking system lose its basic function in the end. 研究结论显示,银行系统性风险具有传染与扩散效应,这种传染与扩散效应具有自放大性,并最终可能使银行系统失去基本功能。
- A noninvasive method of measuring the blood flow rate in the cutaneous tissue by the thermal diffusion between the skin and a metal is described. 介绍了一种利用人体皮肤和接触导体的热传递来无创测量局部皮肤组织中血液流速的方法。
- Abstract: Neglecting the diffusion effect, the temperature dependence of the low-amplitude spatial soliton in the Centrosymmetric photorefractive crystal was discussed. 摘要： 在忽略扩散效应的条件下，讨论了中心对称光折变材料中低振幅空间孤子的温度特性。
- The application of laser technique in checking nanometer material is introduced,and amethod for checking the thermal diffusion rate of nanometer material is given. 介绍激光技术在检测纳米材料中的应用，给出了检测纳米材料热扩散率的一种方法。
- Thermal diffusion sherardizing is widely used by its good rust-resistance, whichwas developed as a new metal surface disposal technology at beginning of last century. 热扩散渗锌作为上世纪初发展起来的一项金属表面处理技术,以其良好的耐腐蚀性而得到广泛应用。
- A vertical two dimensional model for thermo stratified flows is proposed, which solves the velocity and pressure by a fractional step method, and Large Eddy Simulation model is used to calculate the Reynolds stress and turbulent diffusion effect. 摘要建立立面二维水动力学与水温耦合模型，用分步法求解流速和压力，采用大涡模型计算紊动应力和紊动扩散。
- In the alteration process of the surrounding rock hot fluid, the Au, SiO2, K2O, CO2 and H2O are the entered compositions and the Mg, Ti, Na2, Fe2O3 FeO and CaO are the eliminated compositions, while the diffusion effect of the Au is not clear. 在围岩热液蚀变过程中;Au、SiO_2、K_2O、CO_2和H_2O是带入组份;而Mg、Ti、Na_2O、Fe_2O_6、FeO和CaO是带出组份;Au未表现出明显的扩散效应.
- In materials marked by low thermal diffusivity, the absorption is good. 热扩散率低的物质吸收性好。
- Neglecting the diffusion effect, the temperature dependence of the low-amplitude Screening bright and dark solitions in biased non-photovoltaic photrefractive crystal was discussed. 本文在忽略扩散效应的条件下,理论研究了加偏压非光伏光折变晶体中低振幅屏蔽孤子的温度特性。
- 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。
- Influence of Stress on Thermal Diffusivity by Laser Photothermal Technique[J]. 引用该论文 王培吉;张仲;范素华.
- For low carrier-gas velocities the HETP may become large owing to molecular diffusion effects. 载气线速低时，HETP是靠分子扩展影响而变大。
- Nanoscale biological systems operate in the presence of overwhelming viscous drag and thermal diffusion, thus invalidating the use of macroscopically oriented thinking to explain such systems. 本研究目标为设计与制作一机器人，使其能骑乘一般自行车，此机器人包含骨架部分、传动机构、肢体连杆部分及控制系统。
- Hydrocarbon expulsion relies mainly on diffusional effect and its migration distance is very short. 盆地边缘斜坡是两者共同发育的最有利地区。
- The thermal diffusivity, specific heat and density of Yttria Stabilized nanostructured Zirconia (YSZ) thermal barrier coatings (TBCs) were tested in order to estimate the heat insulting effect. 通过测试等离子喷涂纳米氧化钇稳定氧化锆热障涂层的热扩散率、比热容及密度,得出涂层的热导率,借以评价涂层的隔热效果。
