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Subfield · Filtration and Separation

Top Countries in Filtration and Separation Research

China ranks first in 2022-now, followed by India, 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.

Filtration and Separation
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Ranked by research quality, 2022-now

#CountryScoreTop-10% rateWorksCitationsAll time
1China 100.0 12.2% 576 4.9k#3
2India 0.0 9.1% 300 2.2k#8

countries ranked worldwide in Filtration and Separation (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. 1 China 661 works
  2. 2 India 324 works
  3. 3 United States 219 works
  4. 4 Russia 173 works
  5. 5 Iran 103 works
  6. 6 Germany 93 works
  7. 7 Japan 74 works
  8. 8 France 69 works
  9. 9 Brazil 69 works
  10. 10 Portugal 55 works
  11. 11 Spain 53 works
  12. 12 United Kingdom 43 works