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The InP nanocrystallite was prepared by reflowing and annealing of organic solvent. The 55nm average diameter of InP nanocrystallits was obtained by calculating X-ray diffraction spectrum.

用有机溶剂回流退火法制备出了磷化铟纳米晶，并通过XRD谱计算出平均粒径为55nm。

In this paper, a turbostratic CN precursor was prepared by means of pyrolysis of melamine, then it was treated by high temperature and high pressure. The pyrolysis process of melamine, mechanism of hydrogen elimination and the effect of catalysts on pyrolysis of melamine were studied. The crystal structures, bonding states and chemical compositions of CN precursor obtained by pyrolyzing melamine are analyzed by X ray diffraction, burning spectrum, scanning elecron microscope and Fourier transform infrared Spectroscopy.

本文采用三聚氰胺热解法制备了乱层石墨结构的碳氮前驱物并进行了探索性的高温高压实验；研究了三聚氰胺热解的工艺、去氢机理以及催化剂对三聚氰胺热解过程的影响规律；借助 X 射线衍射、燃烧谱、透射电镜和红外光谱等手段，对获得的碳氮前驱物进行了成分、晶体结构、价键结构的分析。

After removing the plane-parallel cavity, the seed pulse energy is about 8 mJ from the grating cavity and the energy is boosted to 60mJ with additional double pass amplification and extender telescrope. And the line-width of the seed pulse is 0.6 cm-1, near the diffraction limit, and meets the demand of the following amplification.

实验获得了8 mJ的主振荡器激光能量输出，经过双程放大和望远镜扩束后输出激光能量达60 mJ，线宽为0.6 cm-1，光束发散角接近衍射极限，满足了后续放大需要。

Based on the superposition principle of point source interference and small hole diffraction of each individual single mode core of the four-core fiber,the far-field grid pattern are obtained.

基于叠加原理，出射光场可视为每个独立纤芯的多光源相干叠加和圆孔衍射调制共同作用的结果，推导了相应的理论公式，给出了四芯光纤远场干涉的理论与实验相一致的结果。

The crystal structures of the two polymorphs are so similar that they can hardly be distinguished by usual polycrystalline X-ray diffraction methods.

后者是一种亚稳相。这两种多型体的结构非常相似，用通常的多晶衍射方法难以区分。

The structural changes in the fibres during drawing process were examined by wide-angle X-ray diffraction,polarising optical microscopy and density gradient column.

利用广角X-射线衍射试验、偏光显微镜观察等方法研究了拉伸过程中纤维结构的变化。

A two cell SBS phase conjugating mirror pumped by pulsed Nd∶YAG laser was experimentally investigated. After returned to YAG amplifer and coupled out by a polariser, SBS output beam had the characteristics of duration tunability and good quality with near diffraction limited far field divergence angle.

对脉冲Nd：YAG激光器抽运的双池受激布里渊散射相位共轭镜进行了实验研究，将相位共轭镜后向反射光束馈入YAG放大级，经放大级放大，由偏振片耦合输出的激光束具有高质量、脉宽可调的特点，远场发散角接近1倍衍射极限。

Solid complexes of rare earth picrates with the ligand 2,6-bis(benzimidazol-2-yl)pyridine have been synthesized and characterized by elemental analysis, IR and electronic spectra. The crystal and molecular structures of the complex [CeL22]·(CH3OH)3 have been determined by single crystal X-ray diffraction.

合成了稀土苦味酸盐与配体2，6-二(2-苯并咪唑基)吡啶的配合物，通过元素分析、红外光谱及电子光谱对配体及配合物进行了表征，并用X射线单晶衍射测定了配合物[CeL22]·(CH3OH)3的晶体结构。

We tried to prepare Li2S-SiS2 based thionitride glasses by the solid synthesize method, where Li3N was used as a nitrogen source. This paper reports the preparations, electrical, and electrochemical properties of Li2S-SiS2-Li3N glasses. Phase identification was carried out by X-ray diffraction .Ionic conductivity of the pelletized solid electrolytes was investigated through AC impedance.

本文以无机固体电解质为研究对象，利用固相合成方法制备了以Li2S-SiS2为基体掺杂Li3N的三元体系Li2S-SiS2-Li3N；通过XRD对样品进行了物相分析；采用交流阻抗技术测量了电解质样片的阻抗谱并计算了离子电导率和活化能；并利用循环伏安法估测了电解质样片的电化学稳定性；用固体电解质组装成模拟电池进行充放电测试。

By using the results from systemical petrography, X-ray powder diffraction, and EPMA analyses on the run products from experimental simulaion under constant temperature and pressure, we have explored the paragenesis for the pelites suffering metamorphic dehydration under high pressure condition, the process and mechanism for these metamorphic dehydration, and the relation between the components for garnets, one of the major phases in the paragenesis, and the experimental conditions including pressure, temperature, and chemical compositon in a system.

由恒温、恒压实验产物系统的岩相学、X射线粉晶衍射和电子探针分析，揭示了天然泥质岩发生高压变质脱水作用后的矿物相组合，确定了泥质岩高压变质脱水作用的过程和机理，以及主要矿物相石榴子石的组成与压力、温度和体系化学组成的关系。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。