轭

Optimized geometries of these compounds show that they have not imaginary frequeneies, and they are stable on the potential energy surface. The results show that the ring of imidazole has some aromaticity.

基于自然键轨道理论和三维静电势图，分析了稳定结构的成键情况、咪唑环上的共轭性及硝基咪唑化合物的反应性。

With the overthrow of Jerusalem the disciples associated the events of Christ's personal coming in temporal glory to take the throne of universal empire, to punish the impenitent Jews, and to break from off the nation the Roman yoke.

从耶路撒冷遭毁灭的事上，门徒联想到基督亲自带着属天的威荣降临，登上世界大帝国的宝座，来刑罚那些顽梗的犹太人，并折断罗马帝国的轭。

Base on the analysis, an improved training symbol with symmetric and repetitive structure is proposed, and the estimate range of the frequency offset is enlarged by increasing the number of repetitive sequence and shortening the interval of repetitive sequence.

在此基础上，提出了一种改进的训练符号结构，即在SC算法重复结构的训练符号中引入共轭对称结构，同时通过增加重复序列的数目，缩小重复序列之间的间隔，进一步扩大基于单个训练符号的频偏估计范围。

By statistics and analysis of fold axis、lines and conjugate joints in structures of every stages, the paleotectonic stress fields in Indo-chinese stage, Yanshan stage and Himalayan stage were resumed.

通过对各期构造的褶皱轴迹和共轭节理的统计分析，恢复了印支期、燕山期、喜山期构造的古应力场。

Firstly, we prove the existence and the uniqueness of the hyperfocal subalgebra when the coefficient field is split for a defect pointed group; then, considering the structural pattern of source algebras over arbitrary fields, by means of G-acted groups, we reduce the existence and the uniqueness of the hyperfocal subalgebra over an arbitrary field to the case that the coefficient field is split for a defect pointed group and the inertia group stablizes a hyperfocal subalgebra.

首先我们证明了如果系数域对亏点群是分裂的，则源代数的超聚焦子代数存在且共轭唯一；然后通过考虑任意域上源代数的结构模式，以G-作用群为手段，将超聚焦子代数的存在性和唯一性归结为系数域对亏点群是分裂的情况下惯性群稳定的超聚焦子代数的存在性和唯一性。

By extending the concepts of supremum and infimum in real space to the casein any finite-dimensional Euclidean space a weak supremum set and infimumset theory with respect to cones for the set in finite-dimensional Euclideanspace is developed,and several similar properties to the set in real space are ob-tained,with the concepts of this weak supremumset,w-D-conjugate maps and w-D-subdifferentials theory for the point-to-setmap are developed,and its several properties and its relationships with weakefficient solutions of the multiobjective programming are studied.

推广实空间中上、下确界的概念至任意有限维欧氏空间，建立了有限维欧氏空间中集合的锥弱上、下确界集理论，得到了与实空间中十分相似的性质。借助于这一理论，应用上、下确界的概念，给出了点集映象的w-D-共轭映象及w-D-次微分理论，并研究了它们的若干特性及其与弱有效解之间的关系，此外还讨论了弱鞍点问题。

In this paper,we build symplectic structure of 2-nd order and high order singular differential operators on infinite interval, we construct a symplectic space by the maximal and minimal operator domain .

本文研究了无穷区间上二阶、高阶奇型微分算子的辛结构，利用最大与最小算子域构造了一个辛空间，用辛空间中的线性流形来刻画定义在无穷区间上二阶、高阶奇型对称微分算子的自共轭扩张问题。

Using Lagrangian submanifold in symplectic space ,we give a complete discription and classification of the self-adjoint domains of the 2-nd order and high order singular differential operators on infinite interval .

给出了与微分算子自共轭域相对应的Lagrangian子流形的描述和分类情况。

Recently open-chain marocyclic ligand and then lanthanide complexes have attracted much attention mainly because the ligands have the unique molecular structures: changeable chain, inflexibly terminal group and high selectivity and coordination to lanthanide ions.

一个优良的发光器件必须具备以下几个条件：配体对金属离子有较高的选择识别性能；配体含有共轭发色团有利于能量从配体向中心离子转移；配合物具有相对较高的动力学和热力学稳定性。

First ,it is proved that a positive Hermite form corresponds uniquely to a positive self2adjoint operator in a complete random inner product module ,then this result leads directly to the proof of the main result of...

值得指出的是：完备随机内积模上Friedrichs 定理的证明中所涉及的一系列基本概念与方法都是以随机共轭空间理论为出发点的，与经典情形完全不同。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！