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By virtue of method of continuum approximate limit, we obtained the solitons of the vibration of lattice in one-dimensional harmonic and inharmonic chains of polarized molecule, under the conditions considering and inconsidering the interaction of exciton with phonon, through solving moving equations of exciton and phonon.

运用连续极限近似方法,通过求解声子和激子的运动方程,得到了在不考虑激子与声子的相互作用和考虑激子与声子相互作用两种情况下的极性分子简谐链和非简谐链中晶格振动的孤子解,并得出了激子与声子的相互作用的非线性效应类似于晶格三次势的非线性效应,以及相同的非线性效应不论是同时作用还是单独作用都具有相同的非线性效应的结论。

The results show that the equiaxed zone ratio of the casting billet is greatly increased,with its soidification structure is obviously improved,and the momentum values of the electromagnetic forces both parallel to and perpendicular to the direction of the traveling magnetic field pulsate periodically with time.

采用三相通入不同电流的非平衡线性电磁搅拌技术进行了铸坯的静态浇铸实验,并对电磁搅拌过程中钢液内的电磁力各分量的瞬时值进行了理论分析·结果表明,当采用将电磁搅拌器的三相通入不同电流的非平衡线性电磁搅拌时,在钢液内所产生的电磁力是脉动的,其大小呈周期性变化,尤其是垂直于磁场运动方向上的电磁力,其脉动的幅度很大·由此认为,当采用将搅拌器的三相通入不同电流的非平衡线性电磁搅拌时,所产生的垂直于磁场运动方向上的脉动电磁力是提高等轴晶比率,改善铸坯凝固组织的一个重要原

The title compound,(C6H6N3)(subscript 4)[Mo8]H2O, crystallizes in the triclinic system with Pī space group, the asymmetry unit of which is composed of one [Mo8](superscript 4)-anion, four protonate benzotriazolium organocations and a lattice water.

化合物(C6H6N3)4[Mo8]H2O的晶体结构属于三斜晶系的P1空间群,其不对称单元由1个[Mo8](上标 4-),4个质子化的苯并三唑有机阳离子C6H6N3和1个结晶水组成。

BR is embedded in the purple membrane and organized in trimeric unit arranged in a hexagonal twodimensional crystalline lattice, there are about 30 lipid molecules surrounding a BR trimer.

BR分子在紫膜中以三聚体的形式存在,并形成二维的六角型晶格,每个三聚体周围约有30个脂质分子。

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。

As the improtant part of this paper, in the third part we studied the superflurescence of low density excitons in a V-typed three-level thin film.

作为本文的重点,第三部分研究了V-型三能级薄晶片中低密度激子的超辐射问题。

This article mainly divides into three parts, The first part is the albite jade characteristic, uses traditional the gemology method conducts the research to the albite jade physical property as well as the structure, carries on the electron probe analysis to its chemical composition, and the discussion of its mineral component\'s chemical composition change carries on the SPSS statistical software; uses X powder crystal diffraction to determine its lattice parameter, mineral constituent\'s crystal structure conducts the research to the albite jade, carries on the analysis to the feldspar degree of order, and carries on the discussion to the albite jade\'s origin. The above method each other confirms mutually, confirms the data reliability.

本文主要分为三部分,第一部分为钠长石玉的性质,采用常规的宝石学方法对钠长石玉的物理性质以及结构构造进行研究,利用电子探针分析对其化学成分进行分析,并运用SPSS统计软件对其矿物成分的化学成分变化进行探讨;采用X粉晶衍射测定其晶胞参数,对钠长石玉中矿物组成的晶体结构进行研究,对长石的有序度进行分析,并对钠长石玉的成因进行探讨;上述方法彼此相互验证,以证实数据的可靠性。

Respectively proceeding with bromine complexing agent of anode, modified membrane and electrolytic additive of cathode, mainly referring to specific power of battery, ratio of self-discharge and zinc dendrite, this paper has studied the influences of different anode additive and modified membrane on specific energy of battery by means of charge and discharge curves, and the influences of electrolytic additive(NH4+, OP-10, TX-10 and dodecyl trimethyl ammonium bromide) on zinc dendrite by means of current-time curve and microscopic morphology observation.

本文分别从正极溴络合剂、隔膜改性和负极的电解液添加剂入手,以电池的比能量、自放电率以及锌枝晶生长情况为主要的性能指标,用电池充放电曲线等方法研究不同正极添加剂和隔膜改性对电池比能量的影响;用电流-时间曲线以及微观形貌观察等方法研究电解液添加剂(NH_4~+、OP-10、TX-10以及十二烷基三甲基溴化铵)对锌枝晶生长的影响。

The method takes an ethanol suspension of monocrystal tungsten trioxide (WO3) nano-plates as a precursor, and utilizes the habit that the nano-plate with high diameter-thickness ratio tends to be parallel to a substrate and the principle that solvent volatilization causes the oriented self-assembly of the nano-plate to prepare the tungsten oxide (WO3) nano film which is formed by overlapping the tungsten trioxide (WO3) nano-plates and oriented along the [002] crystallographic direction.

本发明涉及一种取向氧化钨纳米薄膜的制备方法,该方法以单晶三氧化钨(WO 3 )纳米片的乙醇悬浮液为前驱物,利用高径厚比的纳米片趋向平趟于基底的习性,以及溶剂挥发诱发纳米片取向自组装的原理,制得由三氧化钨(WO 3 )纳米片叠加而成的沿[002]晶向取向的三氧化钨(WO 3 )纳米薄膜。

Self-fluxing Fe-Cr-Ni-B-Si alloy prowders are laser clad on medium carbon steel substrate of dimensions 80×35×10mm〓. The investigation results of this clad layer are: micro-defects, micro-cavity and occluded forin substance, are the micro-cracks and crack resourses in clad layer; crack of coating propagates along the boundary of two kinds of eutectic sutructure; The included angle θ between the cracking direction and laser scanning direction in multitrack overlapping clad is smaller than that in one-track clad because of crack propagating along crystalline growth direction and crystalline direction in overlapping zone being different from it in one-track clad.

在调质态的45〓钢表面,采用预置粉末法进行FeCrNiBSi合金的多道搭接激光熔覆,对其熔覆层进行分析表明:多道搭接激光熔覆层裂纹扩展方向与激光扫描方向间的夹角θ与单道熔覆时相比明显变小,前者θ0°,后者θ角基本都为90°,这主要是因为多道搭接时,搭接区结晶方向发生了变化以及裂纹沿结晶方向扩展所致;激光熔覆层裂纹大多是以覆层与基材交界面的孔洞、熔覆层内不同方向共晶团间的显微缩孔、夹杂物的边界等三种显微缺陷作为裂纹源,并沿低熔点物相形成元素偏析造成弱化膜的共晶团界面扩展延伸。

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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。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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