3UCVD deposition SiO_2 on SiC wafer and its C-V measurement;

We study in this paper various deposition parameters affecting thin film properties.

The mechanism of deposition polysilicon thin film in LPCVD system is described.

Settin up afresh is the key that accumulates the culture bottom,make the university material culture infinite postpone the.

The concepts and propositions which have accumulated on languages especially on idioms,are the most effective dissemination.

The paper reflects on Li Zehou s Practical Aesthetics from 4 aspects as essence of beauty and man, practical and aesthetic activity, accumulation and breaking, and instrumental and psychological ontology.

At this new historical point, a deeper understanding of Deng Xiaoping\'s theory of accumulation of social development is of great significance in theory as well as in practice for a further development of socialism with Chinese characteristics.

And the author has also summarized the causes and characteristics of the artistic beauty in Chinese literary theories and put forward such aesthetic concepts as "accumulation" and "meaningful forms".