完整晶体

  • 网络perfect crystal
完整晶体完整晶体
  1. 我们认为,近完整晶体的切割损伤层是由多晶层、嵌镶结构层和畸变层组成。

    We consider that damage layers on near perfect crystal consist of polycrystal layer , mosaic structure layer and distorted layer .

  2. 炉膛气氛中的氧分压大于液固界面(即生长界面)处熔体的氧离解压是生长完整晶体的前提条件;

    To form a perfect crystal it 's a necessary condition that the partial pressure of oxygen at the liquid-solid interface is higher than its decomposed pressure .

  3. 原子吸收限附近完整晶体内的能流方向

    Direction of the energy flow in perfect crystals near the atomic absorption edge

  4. 非完整晶体的生长机制与动力学

    Growth Mechanism and Dynamics of Imperfection Crystal

  5. 不完整晶体的电子结构计算

    Calculation of Electronic Structures of Imperfect Crystals

  6. 本文从对称性角度简明地论述了完整晶体中电子能带理论的基本内容。

    This article describes the basic contents of the theory of electronic bands within complete crystal lattice from angle of the symmetry .

  7. 晶体生长过程中,晶体顶部熔体的溢流是妨碍获得大尺寸完整晶体的一个最主要的问题。

    The main problem is a melt runover on the top of crystal during growing , which disturbed severely the continuing growth of crystals .

  8. 加入少许的点缺陷后,晶体内部的应力和能量相对完整晶体变化并不显著,从而说明在考虑系统的状态方程时将带有少量点缺陷的晶体近似为理想晶体的做法是可行的。

    That is to say the method which looks crystal with a few point defects as perfect one is viable when we study state function of the system , but point defects affect much radial distribution functions .

  9. X射线双晶摇摆曲线分析证明材料结构完整,晶体质量良好。

    Double crystal X ray rocking curve showed good crystal quality of pseudomorphic high electron mobility transistor ( PHEMT ) structure grown on it .

  10. 因此,电子无法脱离其所在电子流或是散射于不完整的晶体,由此来避免热损耗。

    So the scattering of electrons , whether off themselves or imperfections in the crystal , is suppressed , and heat loss consequently eliminated .

  11. 莫来石晶须不但具有莫来石质材料的性能,而且作为长径比大的完整单晶体具有更加优良的力学性能,是一种优异的陶瓷基复合材料和金属基复合材料增韧补强剂。

    Mullite whiskers have not only excellent performances of mullite but also good mechanical properties as a integrity single crystal with the high aspect ratio .

  12. 光子晶体波导是构建未来光子集成回路的重要部件之一,其是通过在完整光子晶体中引入线缺陷而形成。

    Photonic crystal waveguide ( PCW ) which is composed by introducing a line defect is one of the important components for constructing the future photonic integration circuits .

  13. 针对介电常数对比和填充率对完整光子晶体中光子禁带以及缺陷态的影响作了研究。

    The effect of dielectric constant contrast and filling factor on photonic bandgap ( PBG ) for perfect PCs and localized states in PCs with point defects are investigated .

  14. 研究发现,不含缺陷的完整光子晶体中偏振无关传输的条件是,组成完整光子晶体的两种材料的折射率和厚度相同、波阻抗互为倒数。

    It is found that polarization-independent transmission in complete photonic crystals is ob-tained when the refractive index and optical thickness of the two layers are the same as well as the wave impedances are the mutually reciprocal .

  15. 提出了在Ge/Si量子点材料中引入光子晶体结构来提高其发光效率,包括光子晶体点缺陷腔结构和带边模式工作的完整光子晶体结构,并从理论上分析了发光效率提高的原理。

    In this paper , two types of photonic crystal structures including point defect cavity and band-edge perfect photonic crystal are introduced to the Ge / Si quantum dots to enhance its efficiency , and the principle of the emission enhancement is analyzed from ( theory . )

  16. XRD测试结果表明制备的BST薄膜具有完整的钙钛矿晶体结构,相对介电常数超过150,介质击穿强度大于1.3MV/cm。

    The film showed integrated perovskite crystal structure under the XRD test . The relative dielectric constant was over 150 and dielectric strength was larger than 1.3 MV / cm .

  17. 完整PbWO4晶体偏振性质的模拟计算

    Simulating calculation for the optical polarized properties of the perfect PbWO_4 crystal

  18. 在完整二维光子晶体中引入线缺陷后,就形成了光子晶体波导。

    Photonic crystals coupling waveguide are developed when line defects are introduced into photonic crystals .

  19. 高度完整的单晶体对于制造集成电路来说是绝对必要的。

    Single crystals of high perfection are an absolute necessity for the fabrication of integrated circuits .

  20. 完整的光子晶体具有广泛的应用范围,而具有缺陷的光子晶体更吸引人们的目光。

    There are broad applications with the perfect photonic crystal , but the photonic crystal with defect is more popular for researchers .

  21. 计算结果表明,在二维光子晶体中引入单独的点缺陷后,在原来完整的光子晶体的禁带中会出现平坦孤立的能带。

    The results indicate that there is a smooth and isolated band in the band gap if photonic crystal has a dot defect .

  22. X-射线晶体衍射虽然能够提供完整的蛋白质晶体结构信息,但它要求高质量的单晶样品,且存在实验过程复杂、用时较长等缺点。

    X-ray crystallography can provide complete protein crystal structure information , but it requires high-quality single crystal samples , which is difficult to get .

  23. 为了对光子晶体功能器件进行深入理论分析,首先需要建立完整的光子晶体设计和仿真平台。

    In order to deal with the theoretical research , we must develop a comprehensive platform as the numeric tool for photonic crystal design and simulation .

  24. 结论:兔眼晶体摘除后可再生出具有典型晶体结构的物质,但目前尚未观察到完整的再生晶体。

    Conclusion : Our experiment suggest that the substance possessing typical lens structure can be regenerated after lens extraction in rabbit , although the intact regenerated lens were not found at present .

  25. 光子晶体更实际的应用是在完整的光子晶体结构中引入缺陷,在光子带隙中形成缺陷模,通过合理地设计光子晶体及其缺陷的结构,能够对光子进行更有效的控制。

    The more practical application is that we introduce defects in photonic crystals , so defect mode will be in the band gap . The exact design of photonic crystal and its defect structures make us get effective control of the photon .

  26. 结果21只眼玻璃体前界膜完整,人工晶体视区后囊嵌顿成功,其中2只眼术后3个月视轴区玻璃体前界膜轻度混浊,其余19只眼视轴区保持透明。

    Results 21 eyes remained integrate anterior limiting membrane of vitreous and achieved successful optic capture of the IOL . Slightly opacification in visual anxis of anterior vitreous limiting membrane happened in 2 eyes , and other 19 eyes obtained a clear visual anxis .

  27. 对一维光子晶体,计算了完整结构光子晶体、金属介质光子晶体和色散介质光子晶体的带结构和透过率谱,以及在一维完整结构光子晶体中引入缺陷时的透过率谱;

    For one dimensional photonic crystals , the band structures and the transmission coefficient versus the frequency were calculated in a perfect , in a metallic medium , in a dispersive material of photonic crystals . Also the transmission coefficient versus the frequency was calculated in defect .

  28. 完整布拉格反射型晶体衍射特性的理论研究

    Theoretic studies of diffraction characters of perfect bragg crystals in reflectivity

  29. 利用有色散双晶衍射测量完整或近完整晶体的单晶反射系数

    Measurements of Reflectivity for Perfect or Nearly-Perfect Crystals Using Dispersive Double-Crystal Diffractometry

  30. 作者提出了双晶界应变能势垒的概念,认为由于晶体的不完整性提高了晶体本身的能量状态,结果相对降低了应变能势垒的高度,使得双晶易于发生。

    The new concept of strain barrier in twin boundary ( SBTB ) is proposed and it is considered that the crystal imperfection raises the energy state of the crystal itself and results in the decrease of height of strain barrier and easy formation of twin .