On 29 september, the china institute of science and technology information published online the statistical results of the 2019 chinese scientific and technical papers. The results show that we are ranked second in the world in terms of the number of high-quality international papers, with many institutions of higher learning and scientific research coming in the first 10; the number of high-profile and hot-spot papers continues to be the second in the world, with growth rates of 20 per cent and 30 per cent, respectively。
Journalists are aware that, in order to implement the policy requirements for improving the system of scientific and technical evaluation and the publication of high-quality papers, the institute has conducted research and analysis, using the 10 per cent influence factors and the total number of references to the top 10 per cent of the subjects, and has published more than 50 periodicals each year, selected as representative scientific and technical journals of the world's various disciplines, and published on them as high-quality international papers。
In 2019, a total of 394 international scientific and technological journals were selected as representative scientific and technical journals in various disciplines of the world, publishing 190661 high-quality international papers. The statistical analysis showed that china published 59867 high-quality international papers, 31. 4 per cent of the world's share, ranking second in the world, and the united states ranked first in 6277, or 32. 9 per cent。
It is a matter of concern that the institutions of higher education and scientific research in our country have performed well. Of the world's highest number of high-quality international dissertations published in 2019, four universities in china entered the top ten universities: qinghua university, zhejiang university, shanghai transport university and beijing university. Qinghua university ranked second in 2420 publications, with harvard university first having 4413。
Of the world's research institutions with the highest number of high-quality international papers, five are in the top 10, the centre for eco-environmental studies of the chinese academy of sciences, with 492, the united states centers for disease prevention and control, with 396 in second place, and the institute of chemistry of the chinese academy of sciences, with 377 in third place。
The number of high-profile and hot-spot papers in the country continues to rank second in the world. As of september 2020, the number of high-citation papers in china was 37,170 and the number of hotspot papers was 1,375, representing 23. 0 per cent and 38. 4 per cent of the world's share, respectively. In the united states, the number of high-profile and hot-spot papers was 75146 and 1586, respectively, still ranked first。
The number of high-quality international papers in eight fields of study, namely engineering technology and material science, is among the world's highest, and is a major highlight of the statistics. In addition, the number of papers published in the most influential international journals in various disciplines continues to rise, ranking second in the world for the tenth consecutive year。
Moreover, our country ranks fourth in the world in the number of international leading journals. Science nature and cell are internationally recognized scientific and technical journals with a high academic reputation. In 2019, these three periodicals published a total of 6456 papers, of which 425 were chinese and ranked fourth in the world. The united states remains first in 2562; the united kingdom and germany rank two and three。
At the same time, the overall output of outstanding scientific and technological papers in china has increased, and scientific institutions have shifted towards the pursuit of excellence. In 2019, our country had a total of 3,873,000 scientific and technological dissertations, an increase of 22. 6 per cent over 2018, 226,500 international scientific and technological excellence papers and 16. 17 national scientific and technological excellence papers. Of these, clinical medicine, chemistry, biology, electronics, communication and automatic control have the highest number of outstanding dissertations. (technology journalist liu)
