Chinanews.com, Beijing, December 29th (Reporter Sun Zifa) The "2022 Statistical Report on Chinese Science and Technology Papers" released by the Institute of Scientific and Technological Information of China (CITIC Institute) in Beijing on December 29 shows that the performance of Chinese scientific and technological papers is impressive, including The number of hot papers in the world ranked first for the first time, the number of high-level international journal papers ranked first, and the five fields of agricultural science, material science, chemistry, computer science, and engineering technology ranked first in the world. The number of highly cited papers, The number of papers published in top international journals continues to rank second in the world.
According to the "2022 Statistical Report on Chinese Science and Technology Papers", CITIC Institute summarized the overall performance of Chinese science and technology papers into eight characteristics:
First, the proportion of China's hot papers in the world continues to grow, and the number of world hot papers ranks first for the first time.
The number of highly cited papers continues to rank second in the world, and its share in the world has increased by nearly 3 percentage points.
Papers published in the past two years have received a large number of citations in the past two months, and the papers that have been cited in the top 1‰ of the subject are called hot papers.
Highly cited papers are those whose number of citations among papers of various disciplines ranks among the top 1% in the world from 2011 to 2021.
The "2022 Statistical Report on Chinese Science and Technology Papers" released by the Institute of Scientific and Technical Information of China in Beijing.
Photo provided by CITIC
As of September 2022, the number of hot papers in China is 1808, accounting for 41.7% of the world total, an increase of 19.3% compared with the statistics in 2021, and the world ranking rose to No. 1.
The number of hot papers in the United States is 1,730, ranking second.
The number of highly cited papers in China is 49,900, accounting for 27.3% of the world share, an increase of 16.2% compared with the 2021 statistics.
The number of highly cited papers in the United States is 78,500, accounting for 42.9% of the world share, still ranking first.
Second, China continues to rank No. 2 in the world in terms of the number of papers published in top international journals, and remains No. 1 in the number of papers published in high-level international journals.
In 2021, there are 18 top international journals with more than 100,000 citations and an impact factor of more than 30. In 2021, a total of 32,100 papers will be published. Among them, China will publish 2,045 academic papers and review articles, ranking second in the world. Same as 2020.
The journals whose impact factors and total citations rank in the top 10% of their disciplines and which publish more than 50 academic papers and review articles each year are selected as representative scientific and technological journals of various disciplines in the world, and the papers published on them belong to the High-level international journal papers.
In 2021, a total of 371 international scientific and technological journals will be selected as representative scientific and technological journals of various disciplines in the world, and 228,700 high-level international journal papers will be published.
According to the statistical analysis results of the first author and the first unit, China published 80,500 high-level international journal papers, accounting for 35.2% of the world share, ranking first in the world.
Third, according to the statistics of the number of citations of international papers, China ranks first in the world in the five fields of agricultural science, material science, chemistry, computer science, and engineering technology, an increase of one field compared with the previous year.
Among the 22 disciplines, the number of citations of papers in the five fields of agricultural science, materials science, chemistry, computer science and engineering technology ranks first in the world, and biology and biochemistry, environment and ecology, geosciences, mathematics, microbiology, The number of citations of papers in 10 fields including molecular biology and genetics, comprehensive, pharmacy and toxicology, physics, botany and zoology ranks second in the world.
From 2012 to 2022, 12 disciplines in China will produce more than 20% of the world's papers in this discipline.
The changing trend of the proportion of Chinese scientific and technological papers included in SCI to the total number of papers in the world.
Photo provided by CITIC
Fourth, the overall output of outstanding scientific and technological papers in China continued to grow, and more papers published in important domestic scientific and technological journals were selected as excellent scientific and technological papers.
China's outstanding scientific and technological papers are composed of papers published by Chinese scientific researchers both at home and abroad.
In 2021, there will be a total of 480,500 excellent scientific and technological papers in China, an increase of 16,700 compared with 2020, including 211,300 outstanding international scientific and technological papers; 269,200 excellent domestic scientific and technological papers, an increase of 8.6% compared with last year.
In 2021, there will be a large number of outstanding scientific and technological papers distributed in the medical field, and the disciplines with more than 20,000 excellent scientific and technological papers include clinical medicine, chemistry, environmental science, electronics, communication and automatic control, computing technology, biology, agronomy and geology Wait for 8 subjects.
Fifth, the number of high-level international co-authored papers in China has grown steadily, and Chinese-dominated co-authored papers account for nearly one-third of the highly cited papers.
Among the international papers published in China in 2021, there will be 149,200 international co-authored papers, an increase of 4,600 or 3.3% over 2020.
International co-authored papers accounted for 24.4% of the total number of papers published in China.
International co-authored papers with Chinese authors as the first author accounted for 68.3% of all international co-authored papers in China, and the partners involved 173 countries (regions), with the United States, the United Kingdom, Australia, Canada, Germany and Japan ranking the top 6.
Ei includes the changing trend of the proportion of Chinese scientific papers (with China as the first author) in the total number of papers in the world.
Photo provided by CITIC
Among the top 1% of papers published in China in 2021, 3,643 co-authored papers were published mainly in China, accounting for 33.13%.
From 2018 to 2021, among the top 1% of co-authored papers in various disciplines with the most cited frequency, the proportion of co-authored papers mainly published in China has increased year by year, reaching 72.9% in 2021.
Among the international papers published by Chinese authors in 2021, there will be 532 papers with more than 100 authors and more than 50 cooperative institutions, an increase of 9.7%.
Topics covered include particle and field physics, astronomy and astrophysics, multidisciplinary physics research, nuclear physics research, and more.
Cooperating countries (regions) with more co-authored papers produced by Chinese authors as the first author and as a participant.
Photo provided by CITIC
Sixth, the international influence of Chinese sci-tech periodicals has been further enhanced, and the number of Chinese sci-tech periodicals that have been included in important international retrieval systems and entered the forefront of their disciplines has increased.
In 2021, there are 21 Chinese journals whose total citation frequency ranks in the top quarter (Q1 area) of the subject field, an increase of 3 compared with 2020; 108 journals with impact factors entering the Q1 area, an increase of 23 compared with 2020 kind.
The average impact factor of Chinese international sci-tech journals is 6.115, a growth rate of 42.4% compared to the previous year.
The number of journals with an impact factor greater than 10 has increased from 17 in the previous year to 38.
There are 14 journals with an impact factor greater than 20.
The average total cited frequency of Chinese international sci-tech journals was 4063 times, an increase of 22.4%.
The number of journals with more than 10,000 citations increased from 12 to 19.
A total of 5 journals have been cited more than 20,000 times.
Seventh, the influence of Chinese sci-tech journals continues to increase, and the ability to attract high-level papers for major national needs continues to strengthen.
According to the 2022 "China Science and Technology Journal Citation Report" and the China Science and Technology Papers and Citation Database (CSTPCD) statistics, in 2021, CSTPCD included 2,126 Chinese natural science journals and published 459,000 papers; included 397 social science journals and 50,500 papers articles.
The average impact factor of China's core scientific and technological journals is 0.972, with an average annual growth rate of 7.1% since 2001; the average number of total citations of journals is 1574, with an average annual growth rate of 9.6% since 2001.
In 2021, 2018 Chinese sci-tech periodicals will publish 41,800 scientific research results produced by major national special projects and key R&D plans. The papers are mainly distributed in the fields of agronomy, clinical medicine, environmental science, geology, computing technology and electronics, communication and automatic control. .
Statistics show that with the continuous improvement of the influence of Chinese sci-tech journals, more important scientific research achievements in China are published in Chinese sci-tech journals.
Eighth, the F5000 platform pushes outstanding Chinese papers and Chinese authors to the world, further expanding its international influence.
CITIC Institute selects 5,000 outstanding Chinese academic papers each year by combining scientific measurement indicators and peer reviews, and builds the "Frontrunner 5000-Top Academic Paper Platform for China's High-quality Sci-tech Journals" (F5000), which uses English long abstracts to focus on Display and exchange excellent academic papers from China.
Through cooperation with important international information service agencies and international publishing organizations, the papers will be linked and accurately pushed to international peers.
It provides an efficient channel for papers, authors and Chinese academic journals published in Chinese to integrate into the international academic community.
The F5000 platform has received 7.33 million searches, attracting international users from more than 140 countries including the United States, Russia, and Canada. The international visitors are mainly from international universities and scientific research institutions, including Harvard University and the University of California in the United States, Oxford University in the United Kingdom, Cambridge University and some famous national laboratories, etc.
It is understood that since 1987, CITIC Institute has been undertaking the statistical analysis of the papers published by Chinese scientific and technological personnel at home and abroad, and regularly publishes the overall analysis report on the output of Chinese scientific and technological papers every year, and on this basis, expands to China's scientific and technological achievements. Statistical analysis of journals, patent output, academic book publishing and other fields.
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