查询词典 valence shell

It utilizes its four valence electrons completely in the establishment of four covalence , its valence shell becomes saturated.

碳原子能够利用其全部四个价电子构成共价键，并形成稳定的饱和价电子层。

The ability of carbon to form stable compounds in such astonishing numbers arises in that it utilizes its four valence electrons completely in the establishment of four covalence,its valence shell becomes saturated.

碳原子能够利用其全部四个价电子构成共价键，并形成稳定的饱和价电子层。这就导致碳元素能构成各类数目惊人的稳定化合物。注意本句使用的是"逆序"的翻译方法。

Learning the valence shell electron pair repulsion theory, they need to determine the shapes of simple molecules with the help of models and 3-D animations.

通过学习价电子对互斥理论，在模型和3D 动画的帮助下，构建出分子的形状。

Halogen atoms contain seven electrons in their valence shell, and, consequently, are monovalent

卤原子在它们的价电子层含有七个电子，因此是一价的。

An element bonding parameter topological index HLA is proposed based on topological principle and valence shell electron structural character.

基于元素键参数拓扑指数原理以及镧系元素价层电子结构特征构建了一种新的拓扑指数HLA。

Knowledge and skills: understand the core idea of valence shell electron pairs repulsion theory; can use the theory to determine the shapes of some simple molecules.

知识与技能：理解价电子对互斥理论，能在理论的指导下确定一些小分子的形状。

Process and Methods: require students to built models by themselves; use and understand the valence shell electron pairs repulsion theory when building models; cultivate students to analyze issues and problem-solving abilities.

过程与方法：要求学生自己建立分子形状的模型，在建立模型的时候理解和运用价电子对互斥理论，培养学生的分析问题能力和解决问题的能力。

The outer valence shell binding energy spectrum of benzyl alcohol was also obtained.

实验在非共面对称几何条件下完成，入射电子的能量为2400 eV加结合能。

The ability of carbon to form stable compounds in such astonishing numbers arises in that it utilizes its four valence electrons completely in the establishment of four covalence,its valence shell becomes saturated.

碳原子能够利用其全部四个价电子构成共价键，并形成稳定的饱和价电子层。这就导致碳元素能构成各类数目惊人的稳定化合物。注意本句使用的是&逆序&的翻译方法。

The novel molecular topological index was recommendedrelating to such atomic properties as electronegativity,electron number of valence shell,number of bonding electrons,the main quantum number of valence shell and bond length.

采用该拓扑指数对饱和烷烃、烷基苯、烷氧氯硅烷、卤代苯、含氮杂环化合物、碱金属卤化物及卤化锡的性质/活性进行了相关关系的研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。