The academic journal China HowNet contains nearly 7,400 academic journals published in China since 19 15, totaling more than 26 million articles, including nearly 2,700 core journals and important evaluation databases, covering natural science, engineering technology, agriculture, philosophy, medicine, humanities and social sciences and other fields. All the collected academic journals are published simultaneously with the paper version, and the contents are continuously and dynamically updated.

Dissertations-There are more than 800,000 doctoral and master's dissertations in China HowNet, which can be traced back to 1999. Among them, more than 6.5438+0.2 million doctoral dissertations and more than 900,000 master's dissertations have been published, covering various disciplines.

Conference Papers-China Knowledge Network began to collect conference papers from major domestic and foreign societies from 1985, totaling more than 1.2 million, and published more than 200,000 conference papers simultaneously every year.

Newspaper Summary-Since 1999, China Knowledge Network has included more than 500 newspapers, and the contents of important newspapers are updated synchronously every day.

Patent Literature-China Knowledge Network currently includes all full-text patents since 1985, and the patent content comes from China National Intellectual Property Administration Intellectual Property Publishing House.

There are 260,000 national standards-China Knowledge Network China standard database, national standard database and foreign standard database. The content of the standard comes from the National Standards Pavilion of China National Institute of Standardization and China Standards Publishing House.

Scientific and Technological Achievements-China Knowledge Network has collected all scientific and technological achievements officially registered in China since 1978.

Higher education literature-45 1 higher education teaching literature and similar literature in other publications were integrated, totaling 1.77 million.

Basic education literature-including more than 3,000 kinds of primary and secondary education literature resources, has published more than 6 million articles. The content includes simulated question bank, real question set, reading materials, various teaching materials and teaching plans.

Popular science literature-including more than 800 kinds of popular science literature resources, totaling more than 870 thousand articles, providing users with convenient popular science knowledge inquiry service. The contents include popular science trends, cutting-edge science and technology, new technologies, new products, scientific history, scientific life, popular science figures, scientific inventions and so on.

Literary and artistic works-500 kinds of excellent literary and artistic documents such as literature, film and television, calligraphy and painting, photography, etc. They are all integrated, with a total of 1.02 million articles, which meet the needs of people to read all kinds of excellent works at any time. The contents include poetry, novels, essays, essays, drama literature, folk literature, children's literature, minority literature, reportage, drama, music, dance, film and television, calligraphy and painting seal cutting, arts and crafts, etc.

Exquisite culture-700 kinds of cultural literature resources have been integrated, exceeding 1.33 million, which is convenient for people to acquire exquisite cultural knowledge. The contents include self-cultivation, folk customs, history and humanities, people's focus, seeking medical advice, health care, home life, physical health and so on.

Economic information-comprehensively collect economic information documents and publish more than 500,000 articles. Standardize the description, indexing and deep processing of economic information documents, and provide relevant economic information inquiry services for enterprises, industry associations, government departments at all levels, various economic research institutions and the public.

There are more than 600,000 articles on Party building literature, which integrates the research and development of Party building and the decision-making reference of party and government leaders.

Bulletin of political newspapers-including political newspapers, bulletins, announcements and proclamations, provides information retrieval services for the whole society on "red-headed documents", laws and regulations, economic and trade policies, intellectual property rights and other national and local laws and regulations, documents of governments at all levels and government departments, economic and trade policies and other related information.