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material science     
相关语句
  材料科学
     Rapid Prototyping Manufacturing (RPM/RP) is a new technology including many high-teches such as CAD, CAM, CNC, laser and material science, and a key technology of manufacturing in the 21th century.
     快速成型制造(Rapid Prototyping Manufacturing: RPM/RP),是一种集CAD、CAM、CNC、激光及材料科学于一体的新技术,是21世纪制造业的关键技术。
短句来源
     Applications of the 1,3-dithiole unit in modern material science
     1,3-二硫杂环戊二烯基团在现代材料科学中的应用
短句来源
     Mechanical Engineering and Material Science
     机械工程与材料科学──为庆贺《机械工程材料》创刊100期而作
短句来源
     Rapid Tooling (RT) is an advanced technology that integrate Computer Aided Design(CAD), Computer Aided Manufacture(CAM), Computer Numerical Control(CNC), exact servo, laser technology and material science.
     快速模具制造技术(Rapid Tooling简称RT)是以快速原型技术(Rapid、Prototyping,简称RP)为技术支撑的现代模具制造技术。 RP技术是将计算机辅助设计(CAD)、计算机辅助制造(CAM)、计算机数字控制(CNC)、精密伺服驱动,激光技术及材料科学等先进技术集于一体的现代制造技术。
短句来源
     Following research areas are particularly emphasized: tribology study has transferred from the traditional mechanics to material science and technology;
     作者特别强调在今后的摩擦学研究中应当注意下述几个方向:摩擦学研究已从传统的力学向材料科学与技术转移;
短句来源
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  材料学
     Using the method of material science, the lower limit potential value of cathodic protection of 16 Mn steel in 3% NaCl aqueous solution under stress is found to be 900mV(vs.SCE).
     运用材料学方法,结合电化学测量,确定16Mn钢-3%NaCl水溶液体系在受力作用时阴极保护下限电位值为-900mV(vs.SCE)。
短句来源
     The theories and technologies of surface and colloid chemistry, magnetism and material science have been used in the preparation and simulation experiment of Fe_3O_4 magnetic fluid.
     Fe_3O_4磁流体的制备及模拟试验,涉及表面与胶体化学、磁学、材料学等理论知识。
短句来源
     As more attention is payed to environmental protection, photocatalysis material TiO_2 has been focus on material science and catalysis ology.
     随着人们对环境保护的关注,TiO_2光催化材料已成为材料学及催化科学研究的热点。
短句来源
     The functions of steel plants are only related to steelmaking and steel products manufacture from viewpoints of metallurgy and material science.
     仅从冶金学、材料学的角度上看,钢厂的功能只是钢铁冶炼与钢材生产而已。
短句来源
     On the basis of the new concept and principles of eco material science,the influence of the eco material science on the adjustment of steel products structure and the development of heat treatment processes and related equipment for metals is discussed. A comprehensive innovation of material engineering and advanced manufacturing technology and a ideal material concept are introduced.
     从环境材料学的新概念 ,论述了环境材料学对钢铁材料品种结构调整、金属热处理工艺和热处理设备发展的影响 ,介绍了材料科学与先进制造技术的综合创新———理想材料概念。
短句来源
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  物质科学
     Impedance spectroscopy and its application to material science of the Earth's interior
     交流阻抗谱法及其在地球深部物质科学中的应用
短句来源
     It is a historical tendency to update the evolutionism gestated by material science and philosophy in information era.
     作者试图说明,在信息时代,更新一个半世纪以来物质科学及其哲学观念孕育的进化理论,是历史的必然。
短句来源
     the criterion of material science model is not suitable for ID Theory; ID Theory is a developing evolutionism in the age of information.
     并且指出ID理论的核心是信息复杂性,物质科学范式的标准不适合ID理论,ID理论是发展中的信息时代进化论。
短句来源
     However,within recent 140 years,different new theories of Darwinism did not break through the constraint of material science and philosophy in industrial era.
     而140年来,种种新达尔文主义理论也并没有突破工业时代的物质科学和物质哲学的束缚。
短句来源
     THE ROLE AND SIGNIFICANCE OF EARTH INTERIOR MATERIAL SCIENCE FOR EARTH INTERIOR RESEARCH
     地球深部物质科学在地球深部研究中的作用和意义
短句来源
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  材料科学领域
     Application and Prospects of Laser in Material Science
     激光技术在材料科学领域的应用及展望
短句来源
     APPLICATION OF MODERN TESTING TECHNIQUE TO MATERIAL SCIENCE
     现代分析测试技术在材料科学领域中的应用
短句来源
     Pass the retrospect and prospect of the technological evolution of material science, have described the interaction between material technical development and society.
     通过材料科学领域的技术发展过程的回顾和展望,对材料技术发展与社会之间的相互作用进行了论述。
短句来源
     The paper describes the application of laser in material science and points out the currently existing problems and prospects of laser technology.
     阐述了激光在材料科学领域的应用情况 ,指出了存在的问题并对激光技术的未来应用前景作出展望。
短句来源
     At last it prospects the application foreground of electromagnetic technology in material science.
     最后展望了电磁技术在材料科学领域中的应用前景。
短句来源
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  material science
The essential link between material science and mechanics outlines the uniqueness of this approach for studying the scratch damage of polymers.
      
Applying this approach to five model material systems and employing linearly increasing load tests, the findings of the fundamental material science study of the scratch damage of these materials are presented.
      
Recent progress in material science might soon allow the replacement of the consumable carbon anode by an inert material.
      
Fractal material science takes into account the relation between the parameters of fractal structures and the dissipative properties of alloys.
      
Fractal material science: A new direction in materials science
      
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Although the systems studied in condensed matter physics, nuclear physics and high energy physics are quite different, many of the underlying basic concepts have much in common. The aim of this review is to describe some of these basic concepts and to show how they apply in different branches of physics. It is hoped that such a presentation will not only be helpful in understanding diverse fields in a consistant way, but also will illustrate how exchanges and borrowing of ideas between physicists working in...

Although the systems studied in condensed matter physics, nuclear physics and high energy physics are quite different, many of the underlying basic concepts have much in common. The aim of this review is to describe some of these basic concepts and to show how they apply in different branches of physics. It is hoped that such a presentation will not only be helpful in understanding diverse fields in a consistant way, but also will illustrate how exchanges and borrowing of ideas between physicists working in different areas are fruitful for the development of physical science. The article is a revised and expanded version of one of the same title that appeared in Annual Reviews of Material Science,Vol. 10, pp. 1-18, 1980.

尽管凝聚态物理、核物理和高能物理学的研究对象各不相同,它们的基本概念都是相通的。本文的目的,是从统一的观点来说明物理学的这些分支中的根本问题。希望这不仅有助于从一致的角度来理解各个领域,并且说明物理思想的沟通和借鉴,对于物理学的发展是重要的。

The elastic inclusion problem, that is the calculation of the stress-strain field and the elastic energy of an anisotropic elastic medium with an elastic inclusion contained in it, is one of the important problems in materials science.Especially, the variation of the elastic energy of the system with the orientations of the inclusion in the medium (i. e. the orientational dependence of the elastic energy), and the orientation of the inclusion corresponding to the minimum of the elastic energy of the system...

The elastic inclusion problem, that is the calculation of the stress-strain field and the elastic energy of an anisotropic elastic medium with an elastic inclusion contained in it, is one of the important problems in materials science.Especially, the variation of the elastic energy of the system with the orientations of the inclusion in the medium (i. e. the orientational dependence of the elastic energy), and the orientation of the inclusion corresponding to the minimum of the elastic energy of the system are of great theoretical land practical significance in the investigations of the habit orientations of the phase transformations and precipitate particles, the prediction of the microcracking direction as well as the optimum distribution of the reinforcement fibers in the composites.Based on the "Point Force-Line Force Method" given by H. Y. Yang and Y.T. Chou in 1976, a general computer program is compiled, which is applicable to the numerical calculation of the elastic energy of the elliptical inclusion oriented in any direction of the anisotropic medium for the generalized plane problem. The values of the elastic energy of the elliptic inclusions with their cylinder axes along the <100>, <110> and <111> directions in cubic metals Fe, Nb and Al were computed, and the dependence of elastic energies on the orientation of cross elliptic sections, which was rotating around their cylindcr axes, has been illustrated explicitly in graphic charts.The following conclusions arc deduced from the calculation results:1. The system has its elastic energy when the inclusion is lying on the crystal planes and oriented along the crystal directions of low indexes.2. The elastic energy of the system with the inclusion subjected to pure shear strain is 1/3-1/2 of that with the inclusion subjected to principal strain.3. The elastic energy of the anisotropic system with thin plate inclusions is very small. As the elliptic index e=b/a→0 the elastic energy of the system approaches nil.4. If the boundary energy could be neglected, the new phase and the precipitate with the lowest elastic energy would take the thin plate shape and shear mode in phase transformations and precipitation.

本文编制了各向异性介质中椭圆柱形夹杂物弹性能数值计算的通用程序。计算了立方晶系中<100>,<110>和<111>方向夹杂物的弹性能,给出了三种夹杂物的弹性能方位分布曲线,并讨论了夹杂物形状和应变状态等因素对体系弹性能的影响。

The principle, possible applications and prospects of the scanning photoacoustie microscopy are described briefly. The microscopy system presented herewith attains a resolution of about 4,5 μm. Some images of such samples as the interdigital transducer of surface acoustic wave, integrated circuit and in particular the subsurface structure of the materials have been obtained by measuring the amplitude or the phase angle of the photoacoustie signal. These preliminary results show the potential applications of...

The principle, possible applications and prospects of the scanning photoacoustie microscopy are described briefly. The microscopy system presented herewith attains a resolution of about 4,5 μm. Some images of such samples as the interdigital transducer of surface acoustic wave, integrated circuit and in particular the subsurface structure of the materials have been obtained by measuring the amplitude or the phase angle of the photoacoustie signal. These preliminary results show the potential applications of this device in solid state physics, material science and even medical science.

本文简单叙述了扫描光声显微镜的原理、应用、发展以及我们现阶段的研制成果,光声信号可以用振幅或相位接收的方式成象,分辨率达到4.5μm,从已获得叉指换能器,集成电路以及材料亚表面结构等样品的光声象可以说明这种显微镜技术在固体物理、材料科学,甚至医学上均具有重要的应用前景。

 
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