查询词典 valence shell

This paper analyzes shell electron pair repulsion theory, valence-bond theory and molecular orbital theory on molecular structure of noble gas compounds.

对稀有气体化合物的分子结构分别用"价层电子对互斥理论"、价键理论"和"分子轨道理论进行了分析处理。

The electron configurations in the valence electron shell.

价层电子的构型。

It is the first time to use the " soft ball model" theory of duster to explain the structure of Yn ( n=2-8),and adopt the "shell model" theory and assigning equally delocalize valence electrons of cluster to elucidate the relativity of structure and stability of doped cluster of noble metal Au,,Y(l -9) successfully.

首次利用团簇的&软球模型&理论解释了Y_n(n=2-8)的基态结构，采用团簇的&壳层模型&和价电子离域均分理论成功地阐明了贵金属掺杂团簇Au_nY(n=1-9)的结构与稳定性的关系。

VARIATION IN L, M, N INNER-SHELL ELECTRON BINDING ENERGIES OF RARE-EARTH ELEMENTS IN VALENCE TRANSITION

变价稀土元素L，M，N内壳层电子束缚能量的变化

Through analysis on the structure of valence electron shell,the atom radius,the bonding orbital and other important parameters,this paper discusses the irregularity in the second circle of nonmetal elements and the irregular courses.

本文通过对第二周期元素价电子层结构、原子半径、成键轨道及其重要参数的分析，讨论了第二周期非金属元素的不规则现象，并且分析了产生这些不规则性的原因。

For all the transition metals, the binding energy first increased and then decreased as the number of d electrons increased, and the strong attractive interactions of these atoms with sheet was due to the interaction of valence electrons in the 3d shell with 2p electrons of carbon.

过渡族元素随着外层d电子数的增加，其结合能先增加再降低，过渡族元素的3d电子与碳原子的2p电子的相互作用导致了与碳管的稳定吸附。

The gi is defined as gi ＝( ni 0.5－0.91)4· xi 0.5/ Zi 0.5, where Zi , ni , xi are the valence, the outer electronic shell primary quantum number, and the electronegativity of atom i respectively.

gi 定义为： gi =( ni 0.5-0.91)4。 xi 0.5/ Zi 0.5，其中 Zi ， ni 和 xi 分别代表离子 i 的电荷数，最外层主量子数和电负性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。