In the article it is believed that the development of the indexing technology has an important significance on the modernization of indexing method, and the indexing methods of man-made index, automatic index, indexes based on web-robot & metadata-type as well as database index have been discussed & analyzed in the article.

Chinese mainland journals included in 《 Engineering Index》(EI);

Based on the analyses of the Engineering Index and the Science Citation Index in USA, the paper presents that there is no other Chinese architectural magazine searched by the Science Citation Index and only two kinds of Chinese architectural magazines searched by the Engineering Index.

of Engineering theses included in Engineering Index, the paper points out that many problems commonly existed in these theses will influence the international intercommunication and information retrieval, like the name and translation of the author, the organization and the title.

Talking about Engineering Index (EI) and How to Increase the Citation Rate of the Papers;

To strengthen their academic exchanges,enhance their scientific research abilities and increase the output of high-quality theses,the engineering colleges and universities must,based on the EI taste,produce high-quality theses in English and contribute them to English periodicals with high index rate at home .

Ultrastructural study of Gore-Tex suture for heart valve artificial chordae replacement;

The echocardiographic evaluation of mid-term effects of Gore-Tex artificial chordae tendineae on mitral valvuloplasty