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- electron shell repulsion 电子层推斥
- The chemical properties of an atom are determined by the outermost electron shell. 一个原子的许多性质都是由其最外层的电子所确定的。
- Except for the transitional elements, valency electrons are in the outermost electron shell. 除去过渡元素外，价电子位于最外面的电子层。
- 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. 摘要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。
- By calculating the number of va-lence electron shell,we can gain the geometry array of the electronic pair,and then judge the molecular structures. 计算出价层电子对数,得到电子对的几何排布,从而判断出分子的几何构型。
- Complete electron shell of the Na atom(sodium atom) 钠原子满(电子)壳层。
- Keep down of you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The snail retreated into its shell. 蜗牛缩进壳里去了。
- Electronic shell: Aluminum Alloy or iron shell 电子壳体:铝合金或铁壳
- A shell splinter embedded itself in the wall above his head. 在他头上方的墙壁上嵌有一块小小的贝壳片。
- The building was burned to a shell. 大楼被烧得只剩下空骨架。
- The despair left him a mere shell of a man. 他陷入绝望，形同躯壳。
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- Keep down or you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The building was destroyed by an artillery shell. 这座建筑物被炮弹炸毁了。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- 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 first term is the screened Coulomb repulsion. 第一项是屏蔽的库仑排斥项。
- Having a shell consisting of two hinged valves. 双瓣壳的有由两个开合的瓣组成贝壳的
