英语释义

• an electrical force linking atoms

片语

chemical l bond化学键

chemical bond structure化学键结构

chemical l bond energy化学键能量

Nonpolar chemical bond非极性键

energy chemical-bond化学键能

chemical-bond energy化学键能量

definition of chemical bond化学键的定义

英汉例句

• A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion.

  一个原子失掉一个电子来形成一个正离子，另一个原子得到一个电子来形成一个负离子的化学键。

• An electron held in a chemical bond in the cell absorbs a photon (a particle of light) and, thus energised, breaks free.

  被化学键束缚的电子吸收光能，而活化，释放。

• For the nature of chemical bond is the problem at the heart of all chemistry.

  化学键的本质是全部化学的核心问题。

• The nanocomposite with core/shell structures is an ordered assembly system in which one nanomaterial is covered by another nanomaterial via chemical bond or other interactions.

  核/壳结构复合纳米材料是具有特殊性能的功能材料，是由一种纳米材料通过化学键或其他相互作用将另一种纳米材料包覆起来形成的纳米尺度的有序组装结构。

• The results of ESCA and ESR indicated that the implanted Si ions broke up some chemical bond of surface and produced some new free radicals which may be 「the main reason of surface modification.」

  电子能谱化学分析(esca)和电子自旋共振(esr)分析表明：注入的硅离子打断了材料表面的某些化学键而产生了一些新的自由基，这是表面改性的主要原因。

• According to the chemical bond theory, the new function of bond parameters, which provides theoretical basis for the selection of alloying elements, has been derived.

  根据化学键理论，推导出新的键参数函数图，为合金化元素的选择提供了依据。

• The hydrogen bond does not belong to the chemical bond, neither belong to the van der Waals force. It is a special kind of bond situated between the chemical bond and the van der Waals force.

  氢键不属于化学键，也不属于范德华力，是介于化学键和范德华力之间的一种由氢原子参与成键的特殊键型。

• The data also show that the particle surface having some epoxy groups can be of great advantage to toughening because the chemical bond is formed in the interphase between particle and matrix.

  刚性粒子表面带环氧官能团后，与基本材料形成了化学键合的界面层结构，对粒子的增韧也十分有利。

• What「s more, they」ve shown that these amino acids can react with each other to form a different kind of chemical bond to those which usually hold proteins together in their three-dimensional shape.

  更重要的是，他们已经表明，这些氨基酸可以相互反应，形成与通常维持三维形状的蛋白质不同的化学键。

• No new chemical bond and special crystal structures were observed according to their chemical structures.

  在内部化学结构上，没有观察到两种载体的化学键结合和特殊晶体结构的形成。

• Through the analysis on the surface structure by TG and XPS, it has been confirmed that the PMMA layer is presence and it formed chemical bond between the...

  通过差热分析(TG)、光电子能谱(XPS)对片状铝粉表面结构进行分析，得出铝粉颗粒表面确实存在PM MA的包覆层且PM MA与铝粉颗粒是以化学键作用相结合。

• QCD isomeric compounds and a tetra-quark state with the square-like color structure based on a color string model and the similarity between string and chemical bond are proposed and studied.

  在QCD弦模型的基础上，基于弦和化学键的相似性，提出了四夸克态的环状颜色结构和QCD同分异构体的概念。

• The relative stabilities of intermediate compounds and titanium monoxide were examined deeply with quantum chemistry, crystal field and chemical bond theory.

  运用量子化学、晶体场及化学成键理论，深入分析了中间化合物及一氧化钛的相对稳定性。

• Chitin and chitosan can adsorb organic compounds by forming chemical bond or flocculate organic compounds as a cationic polyelectrolyte.

  甲壳素和壳聚糖通过其羟基，氨基形成化学键吸附有机物或作为聚阳离子型电解质絮凝有机物。

• In other words, they flipped a switch, which allowed them to change the electrical conductivity of the silicon without making or breaking a single chemical bond within the surface.

  或者说，他们扳动了一个开关，改变了硅的电导率，而不需破坏表面上的任何化学键。

• The main cause of lower performance was no wetting and no chemical bond between carbon fibre and composites.

  碳纤维与基体颗粒之间不润湿，没有形成化学键合是其力学性能降低的主要原因。

• From the chemical bond viewpoint, dielectric properties of some practical materials with various crystal structures were quantitatively studied.

  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。

• A new catalytic mechanism is proposed: the catalytic effect of a catalyst is attributed to the change of CC chemical bond by catalyst.

  提出了一种新的微观催化机理：堿金属盐的催化作用在于催化剂能改变CC化学键的作用程度，从而加速反应的进行。