Hybrid orbital bonding power and bond energy;

The bonding energy Eb(i) of MO and Eb(AB)between atoms have been obtained.

through decomposing the key competencies, this article put forward several method and mode for realizing student key competencies training in teaching plan and students management.

The teaching philosophy of TAFE is based on key competencies.

Developing key competencies has become an issue which is concerned with in the field of international vocational education.

There have not accurate defination about the key ability of students in high professional-technology college currently.

The key ability is a kind of integrated diathesis or ability which will meet the societal requirement in many aspects.

On the basis of research on German vocational education and German visiting experience for years, taking the key ability as subject, the author gives an overall introduction on the background, concept, training methods of the key ability in German vocational education.

Key competency Cultivation of Tertiary voetional Students;

In 1970s,the vocational education world in Germany put forward the concept of key competency,which indicate the knowledge,competency and skills that don t have direct relationship with specialty practice skills,but play essential role in individual career development.