化学键

Nanotubes are stronger than metal because the chemical bond holding them together is stronger.

纳管之所以比金属硬,是因为把碳原子连在一起的化学键更强.

Homolytic Bond Dissociation Energies of Allylic Compounds and Related Substituent Effects

烯丙位化学键均裂离解能及其取代基效应

This paper mainly discussed the important role of symmetrical principle on atom structure and chemical bond.

本文主要阐述了对称性原理在原子构造中和化学键中的重要作用.

Then the molecular imprinted polyethyleneimine on the surface of silica gel was prepared using Cu~ 2+ as template ions and epichlorohydrin ( ECH) as crosslinking agent via coordination bond effects, and composite ionic imprinted material IIP-PEI/ SiO_2 was obtained.

以Cu2+为模板离子，以环氧氯丙烷为交联剂，通过配位键作用，对化学键合在硅胶表面的PEI大分子链进行了离子印迹，制备了复合型Cu2+印迹材料IIP-PEI/SiO2；

FTIR data suggested no new functional groups on the molecular chain of starch irradiated by microwave, only the infrared crystalline indices of the starch samples slightly decreasing.

FTIR结果显示，微波辐射不破坏木薯淀粉分子的化学键，没有新的化合物产生，红外结晶指数略有降低；

Tending to attract electrons a chemical bond.

电子共享许多核子并产生电子导电的化学键.

The vibrant frequency of carbonyl is concerned with the force-constant and convert-mass of the carbonyl.

分子中具有红外活性的两个原子间的振动频率与化学键的力常数及折合质量有关.

Fiber reactive dyes-from true chemical bounds between dyestuff and fiber.

纤维活性染料 -- 染料与纤维之间形成真正的化学键.

Cyclic voltammetry was employed to determine the chemical bonding energy between silver and oxygen.

循环伏安法用于检测银氧间的化学键能的强弱.

It further verified the Sterilizaation mechanism of bond vibration resonance.

这又一次验证了药物的化学键振动共振杀菌机理.

The flame retardant fundamentals were discussed based on the flame retardant chemical reactions, bond energy, heat transfer and reaction kinetics aspects.

本文从阻燃化学反应、化学键能、热传递和反应动力学角度分析卤素类阻燃剂的阻燃机理。

As compared to the sample derived by dipping method, the chemically bonded interaction between FePc and Fe_2O_3 nanoparticle in the resulting material was observed.

研究表明，与普通浸渍法相比，该方法制得的酞菁铁与氧化铁颗粒之间存在化学键合作用。

The toughening efficiency was related to morphology, chemical bonding and resin matrix deformation of the system.

增韧效果与体系的相态结构 、 化学键合和环氧基体的延展性有关.

Between aggregated molecules, there may exist strong interactions of chemical bonding or nonbonding weak interactions.

在聚集的分子之间, 可能具有化学键的强相互作用或者非键的弱相互作用.

Theoretical Study on Secondary Bond in Organo-Metallic Compound ( I)── The Conjugated Bond and Secondary Bond in β-Chlorovinyl Mercury Chloride

有机金属化合物中二级化学键的理论研究（I）&β－氯乙烯基氯化汞中的共轭键及二级化学键

Therefore, the accurate prediction the bond energy is one of the important topics in computational chemistry.

因此，精确地预测分子中化学键能是计算化学领域的一个重要问题。

Polyelectrolyte gel consists of a crosslinked polymer network with ionizable groups and a liquid phase.

聚电解质凝胶是在聚合物网络结构中含有化学键结合的离子化基团的水凝胶.

Traditional mechanics relays on the continuum theory, but chemistry is characterized by treating individual chemical bonds.

机械加工以连续介质理论为基础, 化学则侧重于对离散的化学键的操作,因而两者有本质的区别.

For example , the sugar maltose is made from two glucose molecules bonded together.

每个麦芽糖分子由两个葡萄糖分子通过化学键连接而成.

Pyrenebutyric acid was immobilized by volatilization of solvent, chemical bonding and sol-gel method respectively.

该文报告了光纤化学传感器试剂相的三种制备方法,溶剂挥发法, 化学键合法和溶胶 - 凝胶法.

The chemical bond energy of a molecule is the one of the its thermochemical properties. The bond strength can measure the stability of the molecule. The bond energies can control the rate of many reactions and determine the chemical reaction mechanism.

分子中的化学键能是分子的热化学性质之一，键的强弱可以用来度量分子的化学稳定性的高低，键能值的高低基本上控制了许多反应速度的快慢，也确定了相应化学反应的机理。

Chromatographic column: the most commonly used filler of chromatographic column is chemically bonded silica gel.

色谱柱最常用的色谱柱填充剂为化学键合硅胶.

There are attractive forces that link atoms together called chemical bonds.

将原子结合在一起的吸引力称为化学键.

Driving force of SAMs is chemical bond, so their repetition is poor;

SAMs以化学键为驱动力，重现性较差；

Fiber reactive dyes are from true chemical bounds between dyestuff and fiber.

纤维活性染料来源于染料与纤维之间形成的真正化学键.

Chemical bond mainly includes electrovalent bonds , covalent bonds, and metalic bonds.

化学键主要有离子键 、 共价键 、 金属键.

In a more complex one-step reaction, bonds both form and break.

在较复杂的一步反应里, 既有化学键的形成,也有化学键的断开.

Copolymer is where chemical combination exists in the main chain between two polymers.

共聚是两种高聚物主链间的化学键联接.

FT-IR shows DLC film comprises CH 3、 CH 2、 CH 、 Si-O-Si , Si-O-C and Si-CH 3 bond.

通过FT-IR分析研究表明:薄膜中含有CH_3、CH_2、CH、Si -O-Si,Si -O-C 和Si-CH_ 3等化学键.

Molecular Orbital Theory and Pericyclic Reactions: Modern concepts of bonding and aromaticity.

分子轨道理论和周环反应: 关于化学键和芳香性的现代概念.