反转一个键的性质，这样一来素材中先前是键出的将变为键入，反之亦然。
Reversing the polarity of a key, such that material formerly keyed out will be keyed in, and vice versa.
以化学键为基础建构了键连接性指数及分子键连接性指数，该指数同时考虑顶点原子的化学特征及键的性质。
The bond connectivity topological index s I based on chemical bonds is defined and the molecular index s is formed by s I according to the properties of the top atoms and their bonds on the study.
本文讨论了在气固界面上化学吸附键的性质，并指出热力学方法具有能准确给出一系列化学吸附参数的不可替代的重要性。
This paper studies the nature of chemisorption bond and points out that the thermodynamic mic method is irreplaceable in giving parameters of chemisorption.
那就使得金属具有了特别的性质，因为金属键使得原子可以在彼此之间流动，而不会带来灾难性的后果。
That is what makes metal so fascinating because metallic bonding allows the atoms to glide over one another without resulting in catastrophic failure.
只有外层内的电子才会形成化学键，因此每一列中各元素化学性质均相似。
Only electrons in the outer shell can form chemical bonds, so the elements in each column are chemically similar.
X射线吸收光谱的峰值能显示出目标物质的化学键的确切性质，从而显示其组织结构。
The peaks in the X-ray absorptionspectrum can shed light on the precise nature of the target substance'schemical bonds, and hence on its structure.
与位错核心相联系的悬空键在很大程度上决定着位错的光学电学性质。
The dangling bonds associated with the dislocation core determine to a large extent the electrical and optical properties of the dislocations.
这样制备的吸附剂的性质与承载共价键连接鳌合官能团材料的性质相同。
Thus-prepared sorbents possess the properties of materials bearing covalently-bonded chelating functions.
与传统的氢键以及蓝移氢键相对照，还对蓝移卤键的拓扑性质、电子结构性质以及起源进行了详细的研究。
In contrast to the conventional hydrogen bond and the blue-shifting hydrogen bond, the topological and electronic properties and the origin of blue-shifting halogen bond are also investigated.
所以这就使得金属具有了特别的性质，因为金属键使得原子可以，在彼此之间流动，而不会千万灾难性的后果。
That is what makes metal so fascinating, because metallic bonding allows the atoms to glide over one another without resulting in catastrophic failure.
利用化学键的观点定量地研究了一些具有各种晶体结构实用材料的介电性质。
From the chemical bond viewpoint, dielectric properties of some practical materials with various crystal structures were quantitatively studied.
探讨影响氢键性质的主要因素，并对氢键键能进行了初步估算。
The factors influenced the hydrogen bond strength was discussed. The hydrogen bond energy in polypeptides was estimated.
从能量守恒的基本原理出发，讨论了键合图中的多通口元件MTF所具有的性质。
From the viewpoint of energy conserving, the properties of bond graph multiport element MTF are discussed.
红外光谱数据与极化方程结合计算有效电荷的方法是研究键极化性质的较好途径。
In the article we suppose that it is a better way to study bond's polarizability that the combination of infra-red spectrum data and polarizability equation calculates effective charge.
新的键指数X考虑了分子的图形特征，顶点原子的性质，顶点原子与相邻原子的键合情况，并以矩阵的形式把这些特征表达出来。
A novel link index X proposed deals with the feature of molecule graph, the property of vertical atom and the bonding of atoms connected to each other. Matrices are used to represent these characters.
但是络合物活性和结构间的确切关系以及DNA和铂络合物的键合性质迄今仍不清楚。
But the exact structure-activity relationship and the nature of binding between DNA and platinum complex are not yet understood.
氢键的键能较小，但其存在却对物质的性质，结构等方面有很大影响。
The hydrogen bond energy is smaller, but its existence actually aspects to the material nature, and structure so on.
在蓖麻油的主要成分脂肪酸中，除含有一个烯键外，羟基的存在使该植物油具育许多独特的性质。
Tha presence of a hydroxyl group, in addition to an olefinic linkage, in the predominating fatty acid of castor oil, gives this vegetable oll many unique and interesting properties.
利用一种半经验方法研究了高温超导体Y 12 4的化学键性质。
Using a semi-empirical theory, the chemical bond properties of Y-124 superconductor were calculated.
分析了过氧键的结构特征和谱学特征，综述了有机过氧化物的性质、种类和用途。
The structural and infrared spectral features are reviewed and the properties, classifications and applications are comprehended with 23 references.
研究同时分析了这三个重要异构体的成键特性、计算了生成热等相关热力学性质。
Furthermore, the electronic structures and bonding nature of NCCS, CNCS, and CCNS isomers were analyzed.
从能量守恒的基本原理出发，讨论了键合图中的多通口元件MTF所具有的性质。
From the viewpoint of energy conservation, the properties of bond graph multiport element MTF are discussed.
从能量守恒的基本原理出发，讨论了键合图中的多通口元件MTF所具有的性质。
From the viewpoint of energy conservation, the properties of bond graph multiport element MTF are discussed.
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