OK, elements with low average valence electron energy, and here I'm saying below 11 electron volts, these are good electron donors.
平均价电子能都较低的元素，我是指那些低于11电子伏的，这些是很好的电子给体。
Chlorine has a high valence electron energy.
氯的价电子能很高。
So this is our valence electron configuration for b 2.
这是B2的价电子构型。
And the idea is that when you do these Lewis dot structures, we're representing electrons with dots, which we'll see in a minute, and each dot is going to represent a valence electron.
而当你遇到这些路易斯点结构时，我们会将电子用点来表示，我们马上就会看到，每个点都代表了一个价电子。
By calculating the number of valence 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。
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。
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。
The results show that backward electron emission yield deviates from inverse cosine law, due to the role of the valence electrons of H2 +.
研究发现背向的电子发射产额不满足余弦关系，这是由于H2 +上的价电子所引起的。
The vanadium phase and valence state of stone-coal with low carbon in Guizhou province were analyzed by electron probe, and a pressure acid leach experiment was carried out.
利用电子探针分析方法对贵州某地低碳石煤中钒矿物和价态进行了分析，并对该矿石进行了加压酸浸试验研究。
The valence electron count of stably electronic configuration in these cluster molecules obeys 9n-l rule.
在这些分子簇中稳定电子组态的价电子数符合9n - L规则。
Based on the valence electron structure, the relationship between composition and wettability was set up through multiple linear and polynomial regressions.
以价电子结构为桥梁，通过多元线性回归及多项式回归建立了成份与润湿性的关系。
The doublet nature of this and other lines in the na spectrum indicates a doubling of the expected number of states available to the valence electron.
钠光谱中的这条线以及其它线的双重性指出预期价电子可用的状态数是双重的。
The valence electron structures and covalent bond energy have been calculated for cobalt high speed steel.
计算了含钴高速钢的价电子结构与共价键能。
The acceptor atoms are required to have one less valence electron than the semiconductor.
受主原子必须比半导体元素少一价电子。
The catalytic activity for hydrogenation was related to outer layer valence electron density of Pd.
该催化剂的催化加氢活性与零价钯的外层价电子密度有关。
If we're actually thinking about electron configuration and we look at lithium, sodium and potassium, these all have one valence electron.
让我们来想一想，锂，钠，钾的电子排布，它们都只有一个价电子。
In this model the arrangement of bonds around the central atom is considered to depend upon how many valence-shell electron pairs.
在这个模型中，认为围绕中心原子的化学键的排列取决于价层中电子对的数量。
The formation mechanism of Al-based amorphous alloy was summarized and it has the characteristic of valence electron concentration and the principle of similarity.
概述了铝基准晶态合金的形成机理，其形成存在着相似性原则，具有电子浓度特征。
We solve this problem by a quantity called the average valence electron energy.
我们通过一个叫做平均价电子能的量来解决这一问题。
These have low average valence electron energies.
他们有较低的平均价电子能。
And, it says, OK, center the element with the lowest average valence electron energy.
它说，好的，把具有最低平均价电子能的元素画在中心。
Hole - Similar to a positive charge, this is caused by the absence of a valence electron.
空穴-和正电荷类似，是由缺少价电子引起的。
On the basis of the principle, the OET (orbital-energy topological index) was proposed by revising the valence electron distance matrix with the orbital energy.
根据该原理，利用价电子轨道能量对价电子距离矩阵进行修正。
The valence electron structure parameters of low alloy heat-resistant steel in common use were analyzed on the basis of the empirical electronic theory (EET) of solids and molecules.
利用固体与分子经验电子理论对常用低合金耐热钢的价电子结构进行了计算。
应用推荐