分子的

The fragmentations of alkylamine ions C~nH~2~n~+~1NH~2^+ produced from 18 kinds of alkylamine salts by the electron impact ionization and protonated alkylamine C~nH~2~n~+~1NH~3^+ produced from them by the chemical ionization were examined using collision- induced dissociation.

应用碰撞诱导解离技术研究了电子轰击方法产生的脂肪胺分子离子和化学电离方法产生的质子化脂肪胺分子的碎裂反应。

We see the symmetry we have attributed to allylic particles on the basis of the resonance theory; the two ends of each of these molecules are equivalent

我们看到了曾经根据共振论而归因于烯丙基型粒子的对称性，所有这些分子中每个分子的两端都是等性的。

The results showed that the anodic aluminum oxide is a better substrate for the fluorescence enhancement.

发现有机分子的荧光光谱线型的改变与有机染料分子周围环境的改变有关。

The distance between atoms and plane deviation angle of the metallaborane are much longer and larger respectively than those of carborane.

金属原子的引入有效增加分子的NLO系数，同时金属硼烷的前线分子轨道能级差比碳硼烷小很多，金属硼烷材料有可能表现出半导体甚至导体特性，金属原子采用不同基组对计算结果影响不大。

Lots of attentions of astrochemists and astrophysists were devoted to the investigation of the complexes built with LiH molecule owing to the important role in astrochemistry.

由于LiH分子在宇宙化学中具有重要作用，含LiH分子的弱相互作用体系吸引了越来越多的天体物理学和天体化学工作者的研究兴趣。

Because they have one nitrogen atom with lone pair electrons, benzimidazole compounds are endowed with capability of complex and molecular recognition and they can analogue biological molecule.

苯并咪唑具有一个含孤对电子的氮原子，从而使苯并咪唑类化合物具有很强的配位能力及分子识别能力，可以用于生物分子的模拟。

English Description This course is to introduce a serials of biomaterials and their functions.

Chinese Description 本课程将介绍一系列的生物大分子及构成这些生物分子的基本分子。

A theoretical study on geometric structure of the Qinghaosu molecule has been Carried out by ab initio method of the Quantum Chemistry.

文章用量子化学从头算法，研究了青蒿素分子的几何结构，结果表明青蒿素分子的构型、键距、键角、二面角C1-O24-O23-C20等参数与X—射线分析测定值十分接近。

In view of their potential applications as electronic materials, the electronic structures of a series of PAMs are also investigated. The LUMO-HOMO gaps and the HOMO spatial distributions of the planar PAMs show obvious odd-even difference behavior.

电子结构分析表明，平面构型大环分子的LUMO-HOMO能隙和分子轨道空间分布具有明显的奇偶差异特性。

ABSTRACT The dissertation focuses on the research of organic molecular self-coiling and supramolecular self-assembly.

本论文主要对分子自卷曲和有机超分子的自组装做了一些研究，共分三个部分：第一部分中，我们设计并合成了五个新的由不同长度碳链连接电子给体。。。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。