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英语翻译Ceramics now cover an extensive area of functionality.Ha

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/12 06:10:27
英语翻译
Ceramics now cover an extensive area of functionality.Hardly any other class of materials offers such a variety of properties useful for applications.Promising technical developments emerge from the discovery of new compounds,and new materials with specific functions have recently appeared on the horizon.These materials include high temperature superconductors,single crystal piezoelectrics,high-frequency dielectrics.Detailed basic research in solid state chemistry and solid state physics will continue to widen the scope of materials,resulting in the optimization of existing materials' functionalities and the likely enhancement of ceramics with new physical behaviours.Since both result in complex materials,there will be a continuous need for the comprehensive evaluation of the underlying materials.Therefore,extended investigations of physical,chemical,and mechanical properties will be necessary in order to evaluate the potential of the materials for practical applications.
In the area of ceramic materials,ferroelectric ceramics are technically the most important.They are known for their unique properties,such as high dielectric permittivity as well as high piezoelectric constants,and are used in multilayer capacitors or as microwave devices within wireless communication systems.Besides that,they will very likely play a key role in the future of information technology as a basis for low-cost,low power energy consumption,high density storage,and fast readout' of information.Most of the inorganic materials for linear and nonlinear optics are also ferroelectric.Infrared absorption and electro-optical modulation are optimized in ferroelectrics because of their strong linear and nonlinear polarizabilities.However,the increasing power and speed of today' s lasers has a large effect on the crystalline quality and defect content of ferroelectrics.This is even more crucial in the case of integrated devices for which optical density,electric fields,thermal gradients,and mechanical stresses are increased by the limited size of wave guides.
陶瓷现在涵盖了广泛领域的功能.几乎没有任何其他类别的材料提供等多种性能的有用的申请.有前途的技术发展出现从发现新的化合物,新材料等与具体职能最近已出现在地平线上.这些材料包括高温超导体,压电单晶,高频率的电介质.详细的基础研究在固态化学和固体物理将继续扩大范围的材料,从而在优化现有材料的功能和可能提高陶瓷的新的物理行为.因为两者的结果,在复杂的材料,会有一个不断需要综合评价的基本材料.因此,延长调查的物理,化学和力学性能将是必要的,以评估潜在的材料的实际应用.
在该地区的陶瓷材料,铁电陶瓷在技术上是最重要的.他们是众所周知的,他们的独特性能,如高介电系数,以及高压电常数,并用来在多层电容器或作为微波器件内部的无线通信系统.此外,他们将极有可能发挥关键作用,在未来的信息技术作为基础,低成本,低电能消耗,高密度存储和快速读出'的信息.大部分的无机材料为线性和非线性光学也铁.红外吸收和电光调制优化,在铁电体,由于其强大的线性和非线性极化率.然而,日益增加的力量和速度的今天奇摩激光器有一个大的影响结晶的质量和缺陷的内容,铁电体.这是更重要的,在案件的综合装置,其中光密度,电场,热梯度和机械应力的增加,所增加规模有限,波导