Engineering Index (EI) is the oldest large-scale comprehensive retrieval tool, which was founded by the American Federation of Engineers in 1884. EI enjoys a high reputation in the academic, engineering and information circles all over the world, and it is recognized as an important retrieval tool by the scientific and technological circles.

EI publishes 1 issue every month, with13,000 to14,000 abstracts. Every year, 500,000 engineering documents are added to the database. The data comes from 565,438+000 engineering journals, conference papers and technical reports. The original documents come from more than 40 countries, involving as many as 39 languages, of which 3600 have abstracts. More than 654.38+600,000 articles are reported every year.

Each issue is accompanied by a subject index and an author index; There is also an annual volume and an annual index every year, and the annual index also increases the author unit index.

Extended data:

Development history

1, Ei Company began to collect China periodicals on 1992.

2. 1998, Ei established Ei China Mirror Station in Tsinghua University Library.

3.20 1 1 On April 27th, 2007, EI Company implemented the platform conversion of EV2 users in China in order to enable users in China to use the EV2 database synchronously with users all over the world. After the platform conversion, all the existing members will access the EV2 database through the international site, and the mirror site in Tsinghua will stop using.

Contains the fields involved in the document:

1, mechanical engineering, electromechanical engineering, ship engineering, manufacturing technology, etc.

2. Mining, metallurgy, materials engineering, metal materials, nonferrous metals, ceramics, plastics and polymer engineering.

3. Civil engineering, building engineering, structural engineering, ocean engineering, water conservancy engineering, etc. ;

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