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What kind of database does ei belong to?
EI database belongs to secondary literature database.

EI (Engineering Index) database does not provide the function of downloading papers and documents, but most of them provide full-text links. You can read related papers and documents by clicking on the links. These data include not only journal papers, but also conference documents, as well as some scientific reports and monographs.

The collected literature covers almost all fields of engineering technology. For example: electric power, electrician, electronics, automatic control, mining and metallurgy, metal technology, machinery manufacturing, management, civil engineering, water conservancy, educational engineering, etc. EI retrieval has the characteristics of strong comprehensiveness, wide data sources, wide geographical coverage, large amount of reports, high quality of reports, strong authority and so on. EI retrieval, together with SCI, ISTP and ISR, is called the four important retrieval systems in the world.

EI database full name

There are two types of EI literature retrieval: one is JA periodical papers, and the other is CA conference papers. The social recognition of JA periodical papers is generally higher than that of CA conference papers. Considering that many units have low recognition of CA conference papers, even some units don't, it is suggested that you must consult relevant units in advance before publishing conference papers.