Effect of Surface Azimuthal Anchoring Strength Energy of Alignment Layer on the Molecular Alignment of Ferroelectric Liquid Crystals 取向膜表面方位锚定强度对铁电液晶分子排列的影响
Residual layer of damp crystals remaining in a centrifuge bowl after discharge of the bulk of the crystals from a prior batch; 先前批次结晶原料药的卸载后离心罩上遗留的潮湿的晶体的残留层;
A layer of snowflakes ( white crystals of frozen water) covering the ground. 被雪,也就是白色的冻结的水的晶体,覆盖了地面的一层。
The enamel layer of a tooth is made up of hydroxyapatite crystals, which form microscopic "rods". 牙齿最外层的牙釉质是由我们肉眼看不到的显微小管所组成的。
Compared with nitriding specimen, laser alloying layer has better properties such as minute crystals, deeper layer, higher hardness and good metallurgical bonding with base metal. 通过与氮化试样的比较,表明激光合金化试样的强化层深度、平均硬度均高于氮化试样。
Effect of the inserted metal layer on the characteristic of light transmission of one-dimensional photonic crystals 金属插层对一维光子晶体中光传输特性的影响
When the thickness of the couple layer changes, there will be two regions with high transmittivity besides the edges of the photonic crystals gap. 当耦合层Lc厚度变化时,在光子晶体禁带边缘附近出现两个高透射率区域。
The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer surface of luster glaze. 通过偏光显微镜和反光显微镜观察试样釉层的显微结构,发现虹彩釉在成釉过程中釉层表面析出了针状的黑锰矿晶体。
Because of the template effect of TiN, Si_3N_4 can form crystalline structure when Si_3N_4 layer thickness is less than 0.7 nm. Then the crystals can promote the growth of TiN, which results in that the film forms epitaxial coherent superlattice. 当Si3N4层厚小于0.7nm时,因TiN晶体的模板效应,原为非晶态的Si3N4晶化,并反过来促进TiN的晶体生长,从而使多层膜呈现TiN层和Si3N4层择优取向的共格外延生长。
It was found that the microstructures of the clad layer were dispersive undissolved Cr_2O_3 particles and orbed liquid-precipitated Cr_2O_3 distributed in the matrixes consisting of fir-tree crystals and eutectics. And a small amount of TiAl ceramic hardening particles was existed. 结果表明,熔覆层组织是在细小树枝晶和共晶基体上散布着未熔Cr2O3颗粒和白亮球状液析Cr2O3,及生成的硬化TiAl陶瓷颗粒增强相。
The Influence of Coating Layer on band gap structures of sonic crystals 中间包层对声子晶体禁带结构的影响
For a single layer of antireflection coating of SiO_2 on LiNbO_3 crystals, the remaining reflectance is ≤ 0.2%. 蒸镀一层SiO2的减反膜,其剩余反射率R≤0.2%。
Second, for layer crystals the Gr ü neisen parameter along the plane may be negative for some temperatures because of vibration film effects, but for other crystals is positive always. 对层状晶体,由于振动的膜效应,使得沿平面层方向的格林乃森参量在某些温度范围内出现负值,而一般晶体的格林乃森参量总为正值。
After soaking in SBF for 10 day, a HCA layer to be formed on the bioceramics surface. The bioceramic with fluoroapatite crystals can improve bioactive properties. 模拟体液(SBF)浸泡10天后,能够在材料表面形成HCA层,且氟磷灰石晶粒的出现有助于提高生物陶瓷涂层材料的生物活性。
Influence of Disorder of Dielectric Layer's Thickness on Light Propagation in 1D Photonic Crystals 一维光子晶体中厚度无序对光传输特性的影响
Determination of Concentration Boundary Layer around DKDP Crystals by Holographic Interferometry 用全息干涉术测定DKDP晶体浓度扩散层
The shape of eggshell pore on the surface layer of crystals is circle or ellipsis or irregular square. 卵壳表面的蛋孔形状有圆形、椭圆形和不规则的方形。
A Study on the Growth Layer in PbWO_4 Crystals PbWO4晶体中的生长层研究
Effect of the Diamond Surface Layer on Improving the Compressive Strength of the Diamond Crystals 金刚石晶体包裹层对提高金刚石压缩强度的计算
Two-photon absorption ( TPA) of the CdS defect layer in the photonic crystals was investigated by pump-probe measurement. 用抽运探测技术研究了CdS缺陷层的双光子吸收(TPA)现象。
Systemic solvent separation, two phase solvent extraction, crystallization and chromatography methods were applied to separate and purify compounds in each layer. Petrol ether phase, chloroform phase, water phase and crystals were obtained. 通过系统溶剂分离法、两相溶剂萃取法、结晶法和层析法分离纯化各层样品,得到石油醚相、氯仿相、水溶液相和部分结晶。
In Chapter five, from the original theory for the phononic crystal with simple lattice, we propose a new kind of layer multiple-scattering theory which can handle the phononic crystal with complex lattice. Then the properties of NaCl-type phononic crystals are derived. 在第五章,基于简单晶格声子晶体的层多重散射理论,我们给出了复杂晶格声子晶体的层多重散射理论,然后由此计算了NaCl型声子晶体的声学特性。
During the template removal step, intercrystalline gaps tend to form in the membranes due to the difference in thermal expansion between the zeolite layer and the support or by changes in lattice parameters of zeolite crystals, which can affect the performance of the membranes. 而在高温煅烧过程中,由于分子筛层与载体之间的热膨胀系数不同或者晶格参数的改变使分子筛膜产生缺陷,从而影响分子筛膜的性能。
The influence of several electric parameters and structural parameters ( such as geometry and layer number of photonic crystals) to photonic band-gap ( PBG), is also discussed in detail. 在第七章中,针对不同层数、间隙大小、介质参数、多种几何结构以及带内缺陷等参数对介质型微波光子晶体带隙影响进行了特性分析。
Study the influences from the number of plies of the medium and the thickness to the transmission characteristics of the light by using the design procedure of transmission matrix and the light field distribution in dielectric layer, when the photonic crystals are negative refractive index alternating incident. 基于传输矩阵法(TMM)理论,研究了折射率正负交替光子晶体正入射时,介质层数目和光学厚度随机对光波传输特性的影响,并计算透射谱以及介质层内光场的分布。
At the same time the antireflection effects of the photonic crystal layer in GaN-based LED structure have been simulated, and in which a method to calculate the equivalent refractive index of photonic crystals by using the non-reflection conditions in electromagnetic field has been proposed. 同时本文对光子晶体层的增透效应进行了仿真分析,在光子晶体GaN基LED结构中,提出了采用电磁场无反射条件计算光子晶体等效折射率的方法。
We designed a variety of magneto-optical crystals, such as single layer, double layers, multi-layers magnetic material crystals. 我们设计了多种磁光介质光子晶体结构,如含有单层、双层、多层磁介质等情况。
In addition, pre-calcification treatment before biomimetic growth for the alloy could enable the formation of initial nucleus for Ca-P layer, which will consequently provide preferential nucleation sites for the biomimetic growth of apatite layer, and facilitate the heterogeneous nucleation and growth of the apatite crystals. 另外,在仿生生长之前,进行预钙化处理,能够使合金表面形成钙磷初始晶核,从而为磷灰石晶体的仿生生长提供形核质点,有利于促进晶体非均匀成核和继续长大。