利用分子对称性对矩阵进行分类。
The matrix elements can be grouped into shells by means of the molecular symmetry.
通过实例介绍了运用HMO理论根据分子对称性获得共轭分子简并能级波函数的一种方法。
This paper introduces a new method to calculate wave function of degenerate energy lev-el for conjugated molecules by HMO theory in the light of molecular symmetry.
在分子轨道理论中，我们基于轨道的对称性给它们命名。
In molecular orbital theory, we named orbits based on their symmetry.
如果我们能这样做，我们就能得到那些对称非极性的分子。
If we can do that, we'll end up with a symmetric nonpolar molecule.
安置单分子并将其呈球面对称放置对于生命来说必不可少，这也能让研究者对两者进行更深入研究。
Placing a molecule that's essential to life within a spherically symmetrical one could let researchers learn more about each.
在分子轨道理论中，我们基于轨道的对称性给它们命名。
So in molecular orbital theory, what we did was we named orbitals based on their symmetry.
因此这是一个非对称分子。
一个非常对称的分子，再看看。
Zettl把碳管嵌入了一堆不对称的重分子中。
Zettl embedded the tubes in an asymmetric pile of heavy molecules.
对任何有对称中心的分子同样是对的。
The same holds true for any molecule with a center of symmetry.
以镜像方式对称的分子通常会具有不同的性质，于是研究人员利用这种“手性（chirality，译注：指分子的左/右手螺旋性质）”来设计新药物。
Molecules often come in mirror images that can have different properties, and researchers take advantage of this "chirality" to design new drugs.
告诉我们关于，And，the，sigma，tells，us，something，about，the,分子轨道对称性的信息，特别是它关于键轴是圆柱对称的。
Sigma symmetry of this molecular orbital, specifically that it's cylindrically symmetric about the bond axis.
然而，不对称形态发生的细胞和分子基础基本上仍然是不清楚的。
However, the cellular and molecular basis of asymmetric morpho - genesis remains largely unknown.
在第三章中，我们利用格林函数方法研究了非对称的双量子点分子的谱性质和电子输运性质。
In chapter three, we study the spectral properties and electronic transport properties of asymmetrical double-dot molecule using causal Green's function approach.
本文用对称分析方法，分析计算了力学、电学、固体物理学、原子和分子光谱学中的转动惯量、极化率、选择定则等。
In this paper, the symmetry analysis method is used to compute and analyse the rotation inertia, polarizability, selection rule in mechanics, electricity, atomic and molecular spectroscopy.
真实分子可能属于的对称群是非常多的。
The symmetry groups to which real molecules may belong are very numerous.
这种方法的实质在于，在晶体场静止点荷模型基础上，考虑了诸配体等效中心对称场的部份分子轨道效应。
The essence of our method is that, on the base of the crystal field model for point charge, the effect of molecule orbit is considered partly for the centrally symmetric field of coordination bodies.
我们通过“一锅法”合成不对称化合物，缩短了化合物上一条侧链的方法来降低分子的对称性。
We have synthesised unsymmetrical compounds through a "one-pot"process, achieving reduced symmetry by shortening one side chain of target compound.
这个甘氨酸分子就可以形成两种镜像对称的结构，具有了手性，或者说化学中所称的“旋光性”。
The molecule can then form two mirrored versions, giving it handedness or "chirality" as it is called in chemistry.
结果表明，在一定温度范围内，分子形状的非轴对称性可导致系统双轴向列相的产生。
The result obtained shows that at certain temperatures, the biaxial phases are induced by the asymmetry of molecular shape of liquid crystal.
一系列的球形灯罩，用不对称的方式组合，在传统分子结构的基础上提升美感。
A set of round shades, aligned by an asymmetric composition to enhance non-conventional molecular forms.
本文对分子轨道理论教学中关于对称性匹配原则，最大重叠原则， 分子轨道符号及反键效应等几个问题进行了讨论。
The present author discusses the symmetricalmatching principle, the maximum overlapping principle, the molecule orbitalsymbols and the anti-bond effect in the teaching of the molecule orbital theory.
本文介绍了一台以热压胶合双层平板电容器泵浦的对称结构快放电稀有气体卤化物准分子激光器。
A fast discharge rare gas halide excimer laser with symmetric geometry pumped by glued and hot pressed capacitor is introduced.
结果表明，油溶性染料分子中，取代基团的吸电性强，不对称性大，取代基含脂肪链短的，其漂白性能好。
Relationship between bleaching property nd molecular structure of yellow, magenta and cyan oil soluble dyes for silver-dye-bleach photography were studied.
糖作为一类具有多官能团、多手性中心、廉价易得的手性小分子可以很方便地作为手性助剂用于不对称合成。
Carbohydrate, with multi-functional groups and chiral centers in one small molecule, is inexpensive and can be converted into efficient chiral auxiliary for controlling asymmetric synthesis.
分子的全部对称操作的集合完全符合数学群的定义。
The set of molecule symmetrical operation meets the definition of mathematical group.
采用PSHONDO- SCF全电子从头计算程序，对丙二烯分子的两种不同对称性构型的电子结构进行计算。
Two different symmetric configurations in the electronic structure of propadiene molecule are calculated by adopting PSHONDO SCF full electronic ab initio calculation.
提出了利用定域分子轨道重心确定分子轨道的对称性。
The centroids of localized orbitals (LMO_s) are used to determine the symmetry of LMO_s.
提出了利用定域分子轨道重心确定分子轨道的对称性。
The centroids of localized orbitals (LMO_s) are used to determine the symmetry of LMO_s.
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