Top Countries in Acoustics and Ultrasonics Research
China ranks first in 2022-now, followed by United States, out of 2 ranked countries.
Quality score: the square root of excellence (the share of works in the world top 10% against what the place's own topics predict, on English-language articles and reviews) times the square root of the journal factor (its papers in the Nature Index's selective journals against what its topics predict), times output to the power 0.3 times breadth (how much of the selected area it works in) to the power 0.25. Floor: 100 fractional works in this field.
Ranked by research quality, 2022-now
| # | Country | Score | Top-10% rate | Works | Citations | All time |
|---|---|---|---|---|---|---|
| 1 | 100.0 | 11.9% | 1.1k | 8.8k | #1 | |
| 2 | 0.0 | 10.6% | 304 | 2.5k | #2 |
countries ranked worldwide in Acoustics and Ultrasonics (2). rank on the quality score within the stated pool. The score track runs 0 to 100; the rate track carries no average mark, because the average differs by field (about 6% in Dentistry, 21% in Economics).
Ranked by volume, 2022-now
- 1
China 1.3k works
- 2
United States 355 works
- 3
France 125 works
- 4
Germany 101 works
- 5
United Kingdom 97 works
- 6
Japan 94 works
- 7
Russia 89 works
- 8
India 87 works
- 9
South Korea 63 works
- 10
Italy 63 works
- 11
Spain 47 works
- 12
Canada 39 works