If you want to know whether your ei article has been indexed, the most direct way is to enter the ei database, enter the article title and click search. If you can retrieve it, it is included. What are the characteristics of the ei article database? In this issue, I will share relevant knowledge with you.

Has the following characteristics:

1. The research content of pure theory is basically not included, and it focuses on engineering application.

2. The types of inclusion are divided into two categories: journals and conferences

The Engineering Index (ei), founded in 1884, is a well-known comprehensive search tool for engineering technology published by Engineering Information Inc. The included literature covers almost all fields of engineering technology. For example: power, electrical, electronics, automatic control, mining and metallurgy, metal technology, machinery manufacturing, civil engineering, water conservancy, etc.

The reason why ei can be used as the main standard and basis for evaluating scientific research ability, academic level and professional technology evaluation is that the key problem lies in the high quality of the literature it collects. There are two main reasons: First, the documents collected by ei are the most authoritative core journals in the disciplines of various countries in the world. The core journals are evaluated and determined by the national literature research authority, and the quality of the journals is controlled through the expert review system.

Since various disciplines of ei retrieval generally belong to the category of architecture and ideology, in a society with classes, the research of various disciplines is all branded with class, and affected by the social political and economic environment, the content of its literature will inevitably reflect Out of the author's thoughts and opinions, smeared with political overtones, and even contains subjective idealistic prejudice and pseudoscientific pickling. Therefore, this requires us to use the standpoint and viewpoint of Marxism to analyze and identify, to remove the false and preserve the true, not to remove the scum, and to absorb the splendor. In addition, when using literature, it is necessary to screen the collected literature, try to choose knowledge and information with original opinions and high scientific nature, and discard those parts that are trivial and meaningless, and cannot be unconditionally eclectic.

Compared with the natural sciences, the accumulation and inheritance of ei retrieval literature are stronger than the former. In the field of Duhui science, more emphasis is placed on the accumulation of historical data, the rate of obsolete literature is low, and the rate of aging is slow. In research, we should not only understand new viewpoints and new materials, but also make full use of the achievements made by predecessors. Many ei retrieval documents have been re-studied in different historical eras and with different thinking methods, and even the pre-Qin ancient documents from two or three thousand years ago in our country are still cited today.

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