现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。
Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.
现在研究者正在努力优化器件结构、石墨烯性质和栅极电介质以提高晶体管性能。
The team is now busy working on improving the performance of the transistors by optimizing device structure, graphene quality and the gate dielectric.
文中进行了液相介质中石英晶体粘度传感器及其频率特性的研究。
In this article, we research quartz crystal viscosity sensor and its frequency characteristic in liquid medium.
对晶体和碱性介质中过渡金属超常氧化态配离子的主要存在形式和反应活化中心进行了综述，参考文献63篇。
The main existence of transition metals in highest oxidation state complex in crystalloid and alkaline medium and reaction activation center has been reviewed with 63 references.
提出并优化了由单排渐变介质波导构成的二维空气孔型光子晶体负折射平板透镜表面的减反层，改善了成像质量。
We propose and optimize the antireflection coating composed of a row of tapered dielectric waveguides for two-dimensional air hole-type photonic crystal negative refraction slab lens.
等离子体光子晶体是等离子体和介质(真空)构成的人工周期性结构。
Plasma photonic crystals are artificially periodic structures, which are composed of plasmas and dielectric structures (or vacuum).
因此宜选择无水乙醇为晶体生长介质。
等离子体光子晶体是等离子体和介质构成的人工周期性结构。
The plasma photonic crystals (PPCs) are artificially periodic array composed of alternating the plasmas and dielectric materials.
目的：探讨云母微化处理对晶体结构、元素溶出的作用及介质对元素溶出的影响。
Objective: to investigate crystal structure of micro and raw mica and the effects of micro-prepared and media to solution of inorganic elements.
磁化等离子体光子晶体是磁化等离子体和介质(真空)构成的人工周期性结构。
Magnetized plasma photonic crystals are artificial periodic structures composed of magnetized plasmas and dielectric structures (or vacuum).
而光子晶体最简单的结构为圆柱介质正方排列结构，本文介绍了这种结构的平面波算法及其公式推导。
And the simplest structure of Photonic Crystals is the square structure of cylindrical medium. Then this paper introduces the research in this structure with Plane-Wave Expansion Method.
从光子晶体的传输矩阵理论出发，推导了掺杂饱和吸收非线性介质的光子晶体的缺陷模的透射率，以及缺陷层中局域光的增强因子。
The transmittance of defect mode in one dimension photonic crystals with nonlinear absorptional dielectric materials was deduced by the transfer matrix theory.
本文就结晶介质的化学成分和合成参数，对立方氮化硼晶体生长特性的影响进行了阐述。
In this paper studies are made on the influence of the chemical compositions of the crystalline medium and the synthesizing parameters upon the growth characteristics of CBN.
光子晶体是一种介质在另一种介质中呈周期排列所构成的人造晶体。
Photonic crystals are a dielectric structure periodic array in another dielectric structure, it is a man-made material.
光子晶体光纤的优异性能使其成为产生超荧光的优秀介质。
The properties of photonic crystal fiber (PCF) made it an excellent medium for supercontinuum generation.
针对光子晶体在行波管中的应用，对有限开敞介质光子晶体的模式和带结构进行了分析和计算。
In this article, dielectric photonic crystals (PhC) with finite dimensions and exposed in air is analyzed for its potential value in traveling wave tubes (TWTs).
另外，增大光子晶体介质层数目或是增大泵浦光强度，模式竞争现象更加明显。
In addition, we increase the number of the dielectric layer of photonic crystal or the intensity of pump light, the mode competition will be more pronounced.
回顾了负折射介质的研究历史，综述了光子晶体负折射效应的物理机制、研究进展以及目前的主要研究方向，展望了光子晶体负折射效应的应用前景。
The history and mechanism of negative refractive effects of photonic crystals are reviewed. The research progress and status are discussed. Finally, the application foreground is forecasted.
很多工程师把纳管看作硅的替代品，当今，晶体管、二极管和其他半导体器件通常都是制作在硅这种介质上。
Many engineers see nanotubes as an alternative to silicon, the medium in which transistors, diodes and other semiconductor device structures are usually built today.
表明层状液晶体系是获取更多MB单体的理想介质。
Thus the lamellar liquid crystal system appears to be the ideal medium to acquire more MB monomers.
本文综述了三类SBS介质的一般特性，对于新出现的表现出良好的SBS特性的介质如：LAP晶体，四氯化物液体，碳氟化合物液体及稀有气体作了综述。
The author gave a summary on the SBS characters of newly appeared SBS medium, such as LAP crystal, liquid tetrachlorides, heavy fluorocarbon and rare gases.
光子晶体是近年来出现的一种新的光学材料，是由电介质材料周期性排列构成的人工晶体材料。
Photonic crystal is a new type of artificial crystal material with characteristic of photonic bandgap (PBG) structure, which is artificially composed of two or more dielectrics arranged periodically.
若能将金属材料和普通电介质型光子晶体材料结合在一起的话，将有希望得到更好的光学特性。
If the metal material and the general dielectric photonic crystal materials get together, it will hopefully get better optical properties.
首先对重要的激光发光介质和光学窗口材料氟化镁晶体的微波和远红外光学性质进行研究。
Firstly, the microwave and far-infrared properties of MgF2 which is an important laser luminescence media and optical window material were studied.
论述了根据角域叠加原理，在石英玻璃基板上用全介质膜系实现了紫外区域全角度一维光子晶体反射镜的设计。
According to the incident Angle domain, the design of an ultraviolet omnidirectional reflector deposited on substrate of quartz glass is briefly presented.
运用光在分层介质中传播的特征矩阵方法，通过数值计算，研究了掺杂一维光子晶体中光子禁带及杂质模的特性随不同偏振光及入射角的变化。
The characteristics of photonic forbidden band and impurity mode in doped one-dimensional photonic crystal were investigated by numeral simulated calculation with the method of characteristic matrix.
以液晶体作为非线性介质，构建了混合光学双稳模型系统。
Crystalline liquid is regarded as the nonlinear medium and the model of the mixed optic bistable system is constructed.
晶体管可以形成为具有被电介质覆盖的第一多晶硅层。
A transistor may be formed with a first polysilicon layer covered by a dielectric.
晶体管可以形成为具有被电介质覆盖的第一多晶硅层。
A transistor may be formed with a first polysilicon layer covered by a dielectric.
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