此外，对反应热力学、反应机制、晶体的形成机理等方面进行了理论分析，并计算了部分产物的晶格常数。
Furthermore, reaction thermodynamics, reaction mechanism and forming mechanism of crystal were analyzed. The crystal lattice constants of production were also calculated.
利用光学显微镜、扫描电镜和X射线衍射仪研究了几种不同状态硅砖的晶体形貌和晶格常数。
The crystalline morphology and lattice constants of silica bricks in several status were investigated by the optic microscope, scanning electron microscope and X-ray diffraction.
测试了晶体的晶格常数、红外光谱和居里温度。
Crystal lattice constants, IR spectroscopy and Curie temperatures were tested.
光子晶体是一种介电常数不同的、其空间呈周期分布的新型光学材料。
Photonic crystals is a new type of optical material whose dielectric constant changes alternately following the coordinates of space.
采用埃夫琴晶胞推导了计算二维三角离子晶体的马德隆常数的通项公式。
By Evjen crystal cell, the calculation formula about Madelung constant for the two-dimensional trigonal ion crystal was deduced.
对于不同的三维光子晶体结构，随着介电常数比的增大，完全禁带的宽度和带隙率也会随着增大。
For all three kinds of three-dimensional photonic crystal structures, their band gap width and band gap ratio can be improved with the increase of dielectric constant ratio.
五个待定参数用零温零压下晶体的总能、三个二阶弹性常数以及晶格常数的实验值确定。
Five undetermined parameters are determined by experimental data of the total energy, three second order elastic constants and the lattice constant of the crystal at o K and zero pressure.
光子晶体是由介电常数不同的材料周期性分布而成，可以用来控制光的传输。
Photonic crystals are the periodical arrays of materials with the different refractive indices which can control the light propagation.
使用这种方法不需要专门的退火工艺，就可以制备晶体结构完整的高介电常数BST薄膜。
The results showed that high dielectric constant and low loss BST film can be fabricated using this method without special anneal process.
由于光折变晶体的光伏常数依赖于波长，因而选则不同波长的背景光和信号光进行理论分析和实验研究。
For PV constant of PR crystal depending on wavelength, we choose different signal and background beam in theory analysis and experiment.
晶体的点阵常数是晶体的重要参数，它的改变是极细微的。
The crystal lattice constant is an important parameter of the crystal and it changes extremely slightly.
对于非专业X 射线晶体结构人员，只要得到材料衍射图谱后，能很方便计算点阵常数和衍射线指标化。
If they have the X-ray powder diffraction patternsof materials, even if being non-expert on X-ray crystal structure, they can conveniently get the index of diffraction lines and cell parameters.
建立了偶极矩、核四极矩偶合常数中的场梯度及晶体非线性光学系数的近似理论表达式。
Approximate theoretical expressions are given for dipole moment, field gradient at the nucleus, and nonlinear susceptibility of crystals.
研究了晶格结构、填充比、介电常数比三个主要因素对二维空气圆柱型光子晶体完全禁带的影响。
The influence of three main factors such as lattice structure, packing ratio and dielectric constant ratio on complete forbidden band of 2-d air cylindrical photonic crystal is studied.
讨论了旋转操作下TM模式带隙的变化情况，通过计算发现TM模式的带隙不仅受到晶体旋转对称性的影响同时也受内部结构介电常数的影响。
The affection of TM is discussed when the dielectric cylinder are rotated. The result is that not only the crystal rotational symmetry but also the dielectric constant can affect the band gap of TM.
掺镁浓度对晶体相匹配温度、相匹配角、光学均匀性、点阵常数和密度的影响。
The influence of Mg concentration in doping on phase matching temperature, phase matching Angle, optical homogeneity, lattice parameter and density of the crystal is also stated.
通过改变复合光子晶体的介电常数，实现其禁带向高频区或低频区移动。
Then we can set different dielectric constant of photonic crystal to remove the band gaps towards high-frequency region or...
第二部分是对稀有气体晶体的体弹性常数和孤立单一密排面的弹性常数进行了计算。
The second part mainly has carried on the computation of the body elastic constants and the isolated single closed-packed plane of the rare-gas crystal.
光子晶体是折射率（或介电常数）呈现周期性变化的、以具有光子带隙为特征的人造晶体材料。
The photon crystal has the photonic band, and the photon band possibly has the photon band gap.
X射线衍射仪、电子能谱仪、原子力显微镜和椭圆偏振仪等研究薄膜的击穿电压、介电常数、晶体结构、化学成分、表面形貌及薄膜的折射率。
The breakdown voltage, permittivity, crystal structure, composition, surface and refractive index of the thin films were studied by I-V, C-V, XRD, EDS, AFM and elliptical polarization instrument.
因此，电流镜(100)的每个晶体管限定数字模拟转换电路的步，相邻步之间的比率实质上是常数。
Thus, each transistor of the current mirror (100) defines a step of the digital to analog conversion circuit, and the ratio between adjacent steps is substantially constant.
因此，电流镜(100)的每个晶体管限定数字模拟转换电路的步，相邻步之间的比率实质上是常数。
Thus, each transistor of the current mirror (100) defines a step of the digital to analog conversion circuit, and the ratio between adjacent steps is substantially constant.
应用推荐