Table 1.
Top 20 Web of Science categories in zone 1 and zone 2.
| Web of Science category | TP | % | Web of Science category | TP | % |
|---|---|---|---|---|---|
| Multidisciplinary chemistry | 546 | 20 | Chemistry organic | 95 | 3.5 |
| Physical chemistry | 429 | 16 | Biochemistry and molecular biology | 93 | 3.4 |
| Multidisciplinary materials science | 359 | 13 | Polymer science | 91 | 3.4 |
| Applied physics | 279 | 10 | Atomic molecular and chemical physics | 69 | 2.6 |
| Condensed matter physics | 226 | 8.4 | Electrochemistry | 62 | 2.3 |
| Nanoscience and nanotechnology | 178 | 6.6 | Optics | 61 | 2.3 |
| Multidisciplinary physics | 158 | 5.8 | Physics mathematical | 61 | 2.3 |
| Analytical chemistry | 110 | 4.1 | Environmental sciences | 58 | 2.1 |
| Electrical and electronic engineering | 107 | 4.0 | Medicine general and internal | 57 | 2.1 |
| Inorganic and nuclear chemistry | 101 | 3.7 | Computer science artificial intelligence | 53 | 2.0 |
%, the percentage of the number of publications in a given category to the total number of articles.