which two databases does CSCD provide for searching as follows:

1.SCI: Science Citation Index

ISI-Institute for Scientific Information selected 3,3 core journals, indexed them and included them in SCI. SCI covers more than 1 disciplines, mainly involving the following fields: agriculture, biology and environmental science; Engineering technology and applied science; Medicine and life sciences; Physics and chemistry; Behavioral science. The data collected increase at the rate of 6, new records and more than 9 million citations every year.

2.EI: Engineering index

is a comprehensive retrieval tool in the field of engineering technology, which is edited and published by the Engineering Information Center of the United States, and covers all branches of engineering in the world, such as civil engineering, energy, environment, geography and bioengineering; Electrical, electronic and control engineering; Chemical, mining, metal and fuel engineering; Mechanical, automation, nuclear energy and aviation engineering; Computers, artificial intelligence and industrial robots.

3.ISTP: Index to Scientific & Technical proceedings

is one of the important databases published by ISI company, which specially includes all kinds of important conferences in natural science and technology in the world, including general conferences, symposiums, research conferences, seminars, press conferences, etc. There are more than 1,1 kinds of conferences, and the disciplines involved are basically the same as those of SCI.

Other databases related to the three retrieval tools:

1.SSCI: Social Science Citation Index

It contains 1,4 major social science journal articles in the world, * * * involving 5 disciplines, including social science and behavioral science, anthropology, archaeology, commerce, finance, economy, education, geography and history, and library.

An average of 125, records are added every year, which can not only retrieve the cited articles, but also reveal all the reference documents in the original text, and obtain a number of related documents accordingly.

2.A& HCI: Art and Humanities Index (Arts &; Humanities Citation Index)

contains more than 1,1 journals in 25 disciplines of arts and humanities, including 7, other journals related to arts and humanities in ISI databases, covering various arts fields, such as vision, music, performance, literature, technology, history, religion and so on.

There are also various aspects of humanities, including archaeology, architecture, art, Asian studies, classical works, dance, movies, history, humanities, linguistics, literature, music, philosophy, poetry, broadcasting, religion, television and drama. 1, new records are added every year.

3.ISSHP: Index of Social Science and Humanities Conference Proceedings

was founded in 1979, with data collected from 19? Year to date; The data covers the conference literature in the fields of social science, art and humanities. These subjects include philosophy, psychology, sociology, economics, management, art, literature, history, public health and other fields.

About CSSCI and CSCD:

1. CSSCI is the Chinese Social Sciences Citation Index (CSSCI for short), which is a database developed by China Social Sciences Research and Evaluation Center of Nanjing University, and is used to retrieve papers and documents cited in Chinese social sciences.

The disciplines involved include Marxism-Leninism, philosophy, psychology, statistics, sociology, management, ethnology, politics, international relations, law, economics, journalism and communication, education, library and information science, physical education, linguistics, literature, art, history, archaeology, geography, environmental science and other social and humanities fields.

2. CSCD is the Chinese Science Citation Database (CSCD), which is a multi-functional large-scale database jointly funded by the National Natural Science Foundation of China and the China Academy of Sciences and developed by the Literature and Information Center of the Chinese Academy of Sciences. CSCD was founded in 1989 and has accumulated 5, source databases and 3, citation data.