三晶

In order to reduce synthesis times and prepare zeolite membrane with high quality. In chapter three, a good seed layer was prepared on the substrate surface by vapor phase transformation method and then subjected to microwave heating. The highly compact NaA membranes obtained above were composed of intergrown crystals.

为了减少合成次数，降低膜的厚度，制备出高质量的NaA分子筛膜，本论文第三章采用汽相预涂纳米晶种的方法在载体上制备出高质量的纳米晶种层，然后在微波加热条件下合成出高度致密的NaA分子筛膜，膜是由高度孪生的晶体组成。

The experimental results demonstrate that a 2D packing of isodiametric particles leads to distortional flow due to' microcrystallities', while the quasi-two dimensional arrangement (Q2D) with a thickness of several particle diameters and the three dimensional arrangement (3D) effectively avoid the distortion.

结果表明：二维精确等径球颗粒床具有微晶格效应，因此流动是畸变的；半圆柱仓的三维流动不出现畸变；而第3方向取几个球厚度的拟二维流动也避免了微晶格效应和畸变。

Neodymium doped lutetia nanocrystalline powders were synthesized by a wet chemical processing using three different precipitants, i.e . ammonium hydroxide (NH4OH), ammonium hydrogen carbonate (NH4HCO3) and the mixed solution of NH4OH+NH4HCO3, respectively.

采用湿化学共沉淀法合成了Nd3+掺杂的氧化镥纳米晶粉体，研究了三种不同沉淀剂(NH4OH、NH4HCO3、NH4OH+NH4HCO3)对Nd3+∶Lu2O3纳米晶粉体性能的影响。

The reactions of pyridine-2-carbaldehyde semicarbazone with transition metal Ni(II,Cosalts afford two pyridine-2-carbaldehyde semicarbazone transition metal compounds.

配合物[CoL2]·(ClO4)2·H2O(3)，分子式C14H18Cl2CoN8O11，Mr=604.19，属三斜晶系，空间群P-1，晶胞参数：a=9.984(3) A， b=11.082(4) A， c=12.196(5) A ，Dc=1.769Mg/m3，α=112.954(4)°，β=110.050(4)°，γ=94.017(3)°，V=1134.4(7) A3， Z=2，μ=1.067mm-1， F(000)=614，结构偏离因子R=0.0501 和ωR=0.1028，配合物(3)的中心金属离子采取六配位的变形八面体。

Organic matrixs coming from cells play role in nucleation, growth, morphology, polymorphology of inorganic materials. This control of organic matrixs are mainly behaved by the interfaction between organic matrix and inorganic materials .The processing of organic matrix controlling inorganic material is called as molecular recognition. The mechanism of organic-inorganic molecular recognition contains three facts such as electrostatic attraction, lattice geometry matching and stereochemical complimentary.

细胞分泌的有机基质在无机矿物的成核，生长，形貌，多型和结晶学定向等过程中起到了调控作用，基质对矿化的这种调控作用具体表现在有机或生物大分子和无机离子在界面上的相互作用，有机质对无机晶体的成核，生长，晶形及结晶学定向等的控制过程称为分子识别，有机-无机界面分子识别机制主要包括静电作用，晶格几何匹配和立体化学互补三个方面。

Based on the research results of single layer films, three superlattice films of NbN/TiN, TaN/TiN and TaWN/TiN have been designed and synthesized and their microstructure has been investigated. The action of lattice mismatch and elastic modulus difference on the hardness anomalous increase of nano-multilayer films has been compared from the experimental research.

在单层膜的研究基础上，设计并制备了NbN／TiN、TaN／TiN和TaWN／TiN等三种超晶格薄膜，研究了它们的微结构特征，并通过实验研究对比了晶格错配度和弹性模量差异对纳米多层膜硬度异常升高的作用。

Furthermore, the width of computational domain, the nucleation undercooling of peritectic phase and initial composition affect the extension of trijunction of directionally solidified peritectic alloy directly, and also the final microstructure.

并且， 计算域宽度、包晶相形核过冷度和初始成分直接影响到定向凝固包晶合金三相交节点的延伸，也就影响到其最终的微观组织。

Through analyzing the topology, control system and protection system of large power high voltage converter equipped with integrated gate commutated thyristor, a set of 7.5 MVA three-level neutral point clamped converter was designed.

通过对大功率集成门极换向晶闸管高压变流器的结构、控制系统、保护系统的研究，设计出一套7.5MVA的基于集成门极换向晶闸管的高压三电平中点箝位变流器。

Through the morphological observation on silicon particles of Al-Si-Cu-Mg cast alloy, it is found, that during solution heat treatment the evolution of eutectic silicon morphology and their effect on mechanical property can be classified into three stages. In the initial stage, necking, stubbing and fragmentation of silicon particles results in an improvement in plasticity of the alloy. In the intermediate stage, the mechanical properties of the alloy attain peak values due to the spheroidization of silicon particles.

在固溶处理过程中，共晶硅相形貌发生了显著的变化，并对合金的性能产生了很大的影响；通过定量金相分析，共晶硅相形貌的演变及其对合金力学性能的影响可划分为三个阶段：固溶初期硅相的熔断和钝化使合金的塑性得到显著的提高；固溶中期以粒化为主，合金的力学性能达到了峰值；固溶后期硅相的粗化符合LSW粗化模型，硅相形貌呈现棱角小面特性，合金性能降低。

And the morphologies of lead tungstate crystal were different when different surfactants of polygycol 200 and cetyltrimethyl ammonium bromide were added in the experiments.

以钨酸钠和醋酸铅为原料，分别加以表面活性剂聚乙二醇200和十六烷基三甲苯溴化铵，用沉淀法合成出钨酸铅纳米晶和菱形微晶。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。