价电子

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Alignment。。。

The valence electron structure of CrB phase were calculated on the base of experimental electron theory in solid and molecules.

采用分子经验电子理论计算了CrB相的价电子结构。

Introduces valence electron structures of solid phase in Ti-Al phase diagram,calculates solubility of interstitial elements .

阐述Ti-Al相图固相的价电子结构，计算了间隙元素的溶解度。

The effects of alloy elements on the matrix of austenitic manganese steel and its behavior of work hardening were studied in this thesis, establishing the relations of valence electron parameter and macro-property.

本文研究了合金元素对不同成分锰钢基体的作用及其对加工硬化行为的影响，建立了微观价电子参数同宏观性能的联系。

Valence Electron Structure Analysis of Magnetic Moments in Fe, Cr and Fe Alloys

篇名 Fe，Cr及Fe合金磁矩的价电子结构分析

When a valence electron leaves its bond to become a free electron, the hole left behind attracts a nearby electron.

例：当一个价电子离开自己的键而成为一个自由电子时，流下的空穴就吸引它附近的一个电子。

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。

According to the empirical electron theory of solid and molecule, the valence electron structure and theoretical cohesive energy of WSi2 were calculated by the BLD method.

根据固体与分子经验电子理论，通过键距差方法，计算了金属间化合物WSi2的价电子结构和理论结合能。

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。

With weight average method, the experimental results of hardness variation in Fe-C Martensite with C contents are explained by valence electron structure satisfactorily.

采用计权平均方法，用价电子结构理论解释了Fe-C马氏体的硬度随含C量变化的实验结果。

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。