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World Scientist and University Rankings 2026
Brazil Engineering & Technology / Nuclear Engineering 36 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 02, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.752) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
33,960
World Rank
305
Country Rank
88
University
Ranking Based On Selection:
1
Engineering & Technology / Nuclear Engineering
isotopos estaveis | biogeoquimica | ecologia de sistema
isotopos estaveis | biogeoquimica | ecologia de sistema
H-Index Metrics
-
H-Index72
-
i10 Index174
-
Citation Counts15,974
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* Total H Index Rankings
Rankings
111,404
World Rank
1,943
Country Rank
554
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
148,490
World Rank
3,026
Country Rank
811
University
Ranking Based On Selection:
3
Engineering & Technology / Nuclear Engineering
Energia Nuclear | Química | Metrologia | Qualidade | Materiais de Referênci
Energia Nuclear | Química | Metrologia | Qualidade | Materiais de Referênci
H-Index Metrics
-
H-Index41
-
i10 Index133
-
Citation Counts9,418
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* Total H Index Rankings
Rankings
166,355
World Rank
3,594
Country Rank
958
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
193,936
World Rank
4,535
Country Rank
1,169
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
219,338
World Rank
5,421
Country Rank
1,381
University
Ranking Based On Selection:
6
Engineering & Technology / Nuclear Engineering
computational biology | gene regulatory networks | bioinformatics | genomics | genome annotatio
computational biology | gene regulatory networks | bioinformatics | genomics | genome annotatio
H-Index Metrics
-
H-Index34
-
i10 Index62
-
Citation Counts10,677
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* Total H Index Rankings
Rankings
239,904
World Rank
6,293
Country Rank
1,564
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
270,972
World Rank
7,427
Country Rank
459
University
Ranking Based On Selection:
8
Engineering & Technology / Nuclear Engineering
Soil Science | Agriculture | Plant nutrition | Fertilizers and fertilization | Agronom
Soil Science | Agriculture | Plant nutrition | Fertilizers and fertilization | Agronom
H-Index Metrics
-
H-Index30
-
i10 Index84
-
Citation Counts2,972
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* Total H Index Rankings
Rankings
285,932
World Rank
8,019
Country Rank
6
University
Ranking Based On Selection:
9
Engineering & Technology / Nuclear Engineering
Engenharia Nuclear | Engenharia Física | Supercondutividade e Magnetismo | Biotecnologia e Nanobiotecnologia | Defesa Naciona
Engenharia Nuclear | Engenharia Física | Supercondutividade e Magnetismo | Biotecnologia e Nanobiotecnologia | Defesa Naciona
H-Index Metrics
-
H-Index30
-
i10 Index64
-
Citation Counts3,209
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* Total H Index Rankings
Rankings
300,204
World Rank
8,504
Country Rank
346
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
354,927
World Rank
10,660
Country Rank
16
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
362,949
World Rank
11,099
Country Rank
2,486
University
Ranking Based On Selection:
12
Engineering & Technology / Nuclear Engineering
Astronomy & Astrophysics | Cosmology | Numerical Simulations | Galaxy formation & evolution | Supermassive Black Hole
Astronomy & Astrophysics | Cosmology | Numerical Simulations | Galaxy formation & evolution | Supermassive Black Hole
H-Index Metrics
-
H-Index26
-
i10 Index30
-
Citation Counts1,548
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* Total H Index Rankings
Rankings
457,997
World Rank
14,918
Country Rank
576
University
Ranking Based On Selection:
13
Engineering & Technology / Nuclear Engineering
Engenharia Nuclear | Tecnologia de Reatores Nucleares | Física de Reatores Nucleares | Segurança de Reatores Nucleare
Engenharia Nuclear | Tecnologia de Reatores Nucleares | Física de Reatores Nucleares | Segurança de Reatores Nucleare
H-Index Metrics
-
H-Index22
-
i10 Index59
-
Citation Counts1,915
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* Total H Index Rankings
Rankings
529,563
World Rank
18,170
Country Rank
35
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
558,614
World Rank
19,264
Country Rank
704
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
560,855
World Rank
19,418
Country Rank
28
University
Ranking Based On Selection:
16
Engineering & Technology / Nuclear Engineering
Astronomy - Galaxy Clusters - X-ray and optical analysi
Astronomy - Galaxy Clusters - X-ray and optical analysi
H-Index Metrics
-
H-Index19
-
i10 Index23
-
Citation Counts1,029
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* Total H Index Rankings
Rankings
563,152
World Rank
19,585
Country Rank
29
University
Ranking Based On Selection:
17
Engineering & Technology / Nuclear Engineering
Astronomy | Chemical Evolution of Galaxies | Galaxy Evolutio
Astronomy | Chemical Evolution of Galaxies | Galaxy Evolutio
H-Index Metrics
-
H-Index19
-
i10 Index24
-
Citation Counts1,636
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* Total H Index Rankings
Rankings
596,836
World Rank
20,891
Country Rank
756
University
Ranking Based On Selection:
18
Engineering & Technology / Nuclear Engineering
Engenharia Nuclear | Energia | Aplicações da Radiações | Segurança Nuclear | Física de Reatore
Engenharia Nuclear | Energia | Aplicações da Radiações | Segurança Nuclear | Física de Reatore
H-Index Metrics
-
H-Index18
-
i10 Index38
-
Citation Counts1,190
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Premium Data
* Total H Index Rankings
Rankings
602,479
World Rank
21,268
Country Rank
771
University
Ranking Based On Selection:
19
Engineering & Technology / Nuclear Engineering
Reatores Nucleares | Termo-hidraulica de Reatores | Neutronica | Proteção Radiológic
Reatores Nucleares | Termo-hidraulica de Reatores | Neutronica | Proteção Radiológic
H-Index Metrics
-
H-Index18
-
i10 Index35
-
Citation Counts1,140
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* Total H Index Rankings
Rankings
605,039
World Rank
21,412
Country Rank
46
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
641,630
World Rank
22,916
Country Rank
175
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
861,834
World Rank
31,011
Country Rank
5,845
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
906,124
World Rank
32,133
Country Rank
251
University
Ranking Based On Selection:
23
Engineering & Technology / Nuclear Engineering
Engenharia Nuclear | Física Nuclear | Radioatividade | Física Médic
Engenharia Nuclear | Física Nuclear | Radioatividade | Física Médic
H-Index Metrics
-
H-Index12
-
i10 Index17
-
Citation Counts524
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Premium Data
* Total H Index Rankings
Rankings
952,511
World Rank
33,219
Country Rank
32
University
Ranking Based On Selection:
24
Engineering & Technology / Nuclear Engineering
Thermal-hydraulics | CFD | Nuclear engineering | LDV | PI
Thermal-hydraulics | CFD | Nuclear engineering | LDV | PI
H-Index Metrics
-
H-Index11
-
i10 Index12
-
Citation Counts508
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Premium Data
* Total H Index Rankings
Rankings
1,060,365
World Rank
35,785
Country Rank
1,056
University
Ranking Based On Selection:
25
Engineering & Technology / Nuclear Engineering
Engenharia Nuclear | Materiais | Educação | Saúde Coletiv
Engenharia Nuclear | Materiais | Educação | Saúde Coletiv
H-Index Metrics
-
H-Index10
-
i10 Index10
-
Citation Counts370
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Premium Data
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