晶格结构

Through cyclic hydrogen bonding with motif formed by coordinated water molecules and coordinated hydroxyl groups of dhbd from adjacent tetranuclear units, these adjacent neighbors are connected to afford a 1D supramolecular chain along axis a, which is further extended via aromatic intercalations and other crystallization water molecules into a 3D structure with channels.

毗邻的四核单元通过配位H2O分子和配位羟基O原子形成的 R 22(8)型环形氢键桥的连接，沿a轴方向构建了四核单元交替相连的一维超分子链；链间籍苯环的π-π堆积作用和晶格水分子氢键链的连接进一步扩展为具有隧道的三维结构。

The percentage of active transmission of small brown plant hopper varied with the infection stage of RBSDV in maize cell while the nymph acquiring feeding. There were 2.93% and 7.83% of viruliferous rate resp

用灰飞虱无毒若虫在细胞内病毒基质出现和病毒增殖期饲毒的，到成虫时分别有2.93%和7.83%个体传毒率；在细胞内病毒成串分布于管状结构和晶格状聚集排列期饲毒的，到成虫时均不能传毒。

Then GaN nanostructured thin films comprised of regular hexagonal crystal grains have been successfully synthesized by ammoniating Ga2O3 films at the temperature of 850℃ for 15 rain in a quartz tube. X -ray diffraction reveals that the synthesized GaN is of a hexagonal wurtzite structure with lattice constants a =0.318 nm and c =0.518 nm.

然后将硅基Ga2O3置于管武石英炉中，在850℃的氨化温度下氨化15min后，成功制备出GaN薄膜，该薄膜由正六边形的晶粒组成。X射线衍射表明GaN具有六方纤锌矿结构，晶格常数为a=0.318nm和c=0.518nm.X射线光电子能谱的测试确定了样品中Ga-N键的形成，并且Ga和N的化学计量比为1：1。

A layer of tin atoms on a germanium surface forms a flat lattice, but at temperatures below about 150 Kelvin--for reasons that aren't entirely clear--the tin layer spontaneously corrugates to form a new structure, or phase, with one atom out of every three moving away from the substrate.

一层锡原子在锗表面可以形成一个平整的晶格，但是当温度低于150K锡原子层会自发的褶皱起来形成一种新的结构，或者说是新相，这时每三个原子中会有一个运动而离开基质表面。

In this paper, their spectra of lattice vibration have been studied by Raman and Infrared Reflection technique, and the characteristics of the crystal structures as well as the case of binding in these crystals were analysed, and the non-linearities have been qualitatively illustrated.

本文用喇曼光谱和红外反射谱方法研究了它们的晶格振动光谱，分析了其晶体结构特点和晶体中分子的键合情况，并定性说明了其非线性光学性能。

The idea of surface restoration by adsorbates was nascent in studies of morethan a quarter of a century ago.

所谓表面复位是指表面重构得到消除，结构回复到理想晶格表面的过程。

SEM patterns and transmission spectra show that the crystals exhibit a face-centered cubic structure with low defect density, and the band gap agrees with the calculated result very well.

实验结果表明，该光子晶体呈面心立方结构，内部晶格完整，缺陷较少，带隙中心波长的实验值与计算值符合得较好。

The results show that, for the elasto-plastic contact of tip-substrate approach and separation process, the material plastic yielding in the atomic level is still governed by the von Mises criterion. For the adhesion of flat-ended wedges, continuum mechanics can be still applied down to a few lattice constants within the contact region, and give reasonable results, apart from the discrepancies near the contact edges. Moreover, adhesion hysteresis occurs during unloading due to the atomic steps, where the unloading curve does not coincide with the loading one. This in turn supports the presumption proposed by Pollock for the adhesion of stepped spheres.

本文首先对针尖—基体模型的弹塑性接触机理进行了深入研究，指出在原子水平上材料的塑性屈服仍由Von Mises准则控制；对平底锥冲头粘着接触的模拟表明，除了在接触区边缘附近有一定差别外，接触力学方法在接触区内几个晶格常数范围内仍能给出令人满意的结果；由于原子台阶效应，加载与卸载曲线不重合，出现粘着滞后，证实了Pollock关于具有纳米阶梯结构的球体粘着滞后现象的推测。

Conjugated polymers which are different from traditional semiconductor, have some unique properties. Most of them are quasi-one-dimensional systems with strong electron-phonon interaction. Their carriers are composite particles, which are different from simply electron and hole, characterized with the surrounding distortion of lattice configuration (polaron with spin 1/ 2 , bipolaron with spin 0 etc.). The transport of the carriers and the process that oppositely charged polarons combine to from exciton are believed to be of fundamental importance for electroluminescence properties.

共轭聚合物具有不同于传统半导体的特性，它们是强电-声相互作用的准一维体系，其载流子不再是简单的电子和空穴，而是伴随晶格畸变的具有内部结构的复合粒子(自旋1/2的极化子、自旋为0的双极化子等)，这些载流子的输运、以及正负极化子对复合成激子的过程在很大程度上决定着聚合物的电致发光性质。

The understanding of the material properties is rely on the study of the small yardstick materials lattice vibration, phonon structure and electronic structure.

对材料性质的认识和调控离不开对小尺度材料的晶格振动、声子结构和电子结构的研究。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。