查询词典 preference bond

We have found that the lattice constants and bond length decrease with pressure increasing.The charge transfer from S atoms to Zn atoms becomes less,and the covalence nature of Zn-S bond becomes stronger.

Ves[4]和Zhou[5]等人研究了ZnS的结构特性，光学性质，电子结构，董国义等人用微波吸收法进行了掺杂研究[6]，他们都得到了比较满意的结果。

Its bonding characterization and stability are discussed. The results show that these complexes are covalence complexes and that both the in-plane σ-bond and the in-plane π-bond in these complexes play an important role. The ESR spectra of VO -Ser system, VO -Ser-Phen system and VO -Ser-Bipy system in binary solvent glycol/water (V/V=1: 1) solution at various acidities (pH=1～14) have been observed at low temperature. It is found that in different pH ranges different structural complexes are formed.

测定了五种氨基酸席夫碱铜配合物的室温多晶粉末ESR谱、在不同溶剂中的室温及低温溶液ESR谱，确定配合物的配位环境；对室温溶液谱中观察到的二级效应和驰豫效应给予了理论解释、计算了驰豫参数；根据低温ESR波谱，计算了配合物的成键特性及稳定性，发现此类配合物为共价型配合物，平面内σ配键和平面内π配键均起重要作用。

This bonding may be hydrogen bonding but is preferably a salt bond and especially a covalent bond.

这可能是结合氢键，但最好是盐的债券，特别是共价键。

It is illustrated that the state of density in the Earth's interior layers and the result of their distinctness.As the depth increases,temperature and pressure will increase,the composition of metallic bond and covalent bond will increase.

探讨了地球内部各圈层物质的密度状态及其差异的原因，指出了随着深度的增加，即温度和压力的增加，共价键及金属键的键性有增加的趋势。

Covalent bond A chemical bond in which one or more pairs of electrons are shared between two atoms.

共价键：一般指两个原子接合时，通过形成共有电子对而产生的化学键。

An unsecured bond is called a debenture bond; its value rest upon the general credit of the corporation.

信用债券。无担保的债券称为信用债券，它的价值取决于公司的一般信用等级。

Issuance of corporate bond, enterprise debenture and medium-term bond

企业债券、公司债券、中期票据的发行与上市

After UV irradiation and the decomposition of diazium group, the linage of the films will be converted from ionic bond to covalent bond, result in the films could resist the etching of polar solvents and strong electrolyte.

利用传统的三电极光电转换装置，以0.5M KCl溶液为支持电解质，测试了含聚苯胺衍生物超薄膜的光电转换性能，并考察了影响光电流产生的影响因素。

Since the over-the-counter bond has a strong liquidity, we should not consider it as a kind of seven-year-term bond, but a demand deposit enjoying a yield higher than that of fixed deposit.

因为柜台债券有很强的流动性，我们不必把它当作7年期债券看待，而是把它看成是享受高于定期存款收益的"活期存款"。

Based on similar systems in different physical domains,a united Bond Graph Model is derived by using Power Bond Graph methods.

在物理世界中，实际的系统可能是机械系统，也可能是电气系统或其他类型的系统，如果描述这些系统的微分方程或传递函数具有相同的表现形式，那么无论是动态还是静态，它们的输出响应特性都具有相似性[1]。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。