英语释义

• a chemical bond that involves sharing a pair of electrons between atoms in a molecule

片语

covalent atomic bond共价原子键

Polar of Covalent Bond键的极性

covalent coordination bond[物化]

covalent t bond共价键

covalence共价；共价键

multiple covalent bond化学键统称共价重键

dative covalent bondcoordinate bond配位键

reversible covalent bond可逆共价键

covalent linkage共价键

coordination covalent bond配位共价键

英汉例句

• the high extraction yields support the conclusion that abundant non covalent bond structures (associated structures) existing in the organic matter of these source rocks.

  实验结果证明，烃源巖有机质中存在着大量的非共价键缔合结构；

• results of analysis with ir and esca showed that ring -shaped conjugated structures exist in the films. copper atom may be linked to the polymer either by covalent bond or coordination bond.

  红外光谱和电子能谱的分析结果表明：聚合物薄膜中含有环状共轭结构，铜与聚合物以共 价键、配 位键结合。

• a covalent bond formed by a shared pair of electrons (see bond).

  共享一对电子，形成的共价键（见键）。

• a nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the shared electrons.

  两个原子对共用电子对具有相同的引力时，则形成非极性共价键。

• the relations of the covalent bond lengths calculated by the model agree with the empirical ones.

  由此计算出来的共价单键、双键和叁键之间的键长关系基本符合共键长间的经验关系。

• therefore, the spin pairing is not cause of the formation of covalent bond, it is not also condition of first determining, the spin pairing is the only particularity of covalent bond of two electrons.

  因此，电子自旋配对不是共价键形成的原因，也不是先决条件，电子自旋配对只是双电子共价键的一个特点。

• the nonlocal body moment causes the stress asymmetric and itself is caused by the covalent bond formed by the reaction between atoms.

  非局部体力矩引起应力的非对称性，而非局部体力矩则由原子晶格相互作用形成的共价键所产生的。

• further study is needed before the origin of the covalent bond can be considered a settled question .

  需进一步深入研究方能解决共价键的起源问题。

• in terms of average energy distribution of air gap with monte carlo simulation, the corresponding voltage to dissociate the given covalent bond is indicated.

  结合蒙特卡罗模拟出的气隙空间电子平均能量分布，指出了断裂特定共价键所需输入的电压值。

• the former is primarily formed by covalent bond electrovalent bond, while the later is obtained by molecular deposition (md) and sams based on chemisorption.

  单层膜主要指以共价键和离子键为驱动力形成的，多层膜的组装方法主要是分子沉积（md）技术和基于化学吸附的自组装单分子膜技术。

• the most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.

  最常见的例子是有机化合物，亚硝酸盐类的同分异构体，其中一个碳原子以共价键与硝基中的氮原子结合。

• ftir analyses showed that the ligands are linked by covalent bond on membranes.

  ftir结果分析表明，配基与复合膜的结合均是共价键结合；

• the results demonstrate that the proposed new fitting procedure shows a fairly good feasibility to the shell model potential for covalent bond molecule.

  电子壳模型势函数在离子晶体的原子级计算机模拟中有广泛应用，其势参数主要通过拟合晶体的实验数据或电子结构数据得到。