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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 01, 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 (1.131.755) 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
10,544
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Hydrogen | Catalysis | Reforming | Photocatalysis | Fischer-Tropsch synthesi
Hydrogen | Catalysis | Reforming | Photocatalysis | Fischer-Tropsch synthesi
H-Index Metrics
-
H-Index100
-
i10 Index422
-
Citation Counts35,729
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* Total H Index Rankings
Rankings
14,322
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Energy Engineering
Computational Engineering | Biomorphic Intelligence | Bioinspired Material Design | 3D Printin
Computational Engineering | Biomorphic Intelligence | Bioinspired Material Design | 3D Printin
H-Index Metrics
-
H-Index92
-
i10 Index280
-
Citation Counts26,010
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* Total H Index Rankings
Rankings
15,415
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Computer Science
Continuum Mechanics | Computational Sciences | Nonlinear Dynamics | Artificial Intelligenc
Continuum Mechanics | Computational Sciences | Nonlinear Dynamics | Artificial Intelligenc
H-Index Metrics
-
H-Index90
-
i10 Index155
-
Citation Counts17,833
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* Total H Index Rankings
Rankings
16,132
World Rank
6
Country Rank
1
University
Ranking Based On Selection:
4
Engineering & Technology / Computer Science
Computational Mechanics | Structural optimization | Reliability Analysis | Structural Health Monitoring | Artificial Intelligenc
Computational Mechanics | Structural optimization | Reliability Analysis | Structural Health Monitoring | Artificial Intelligenc
H-Index Metrics
-
H-Index89
-
i10 Index317
-
Citation Counts27,925
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* Total H Index Rankings
Rankings
23,242
World Rank
8
Country Rank
1
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
27,373
World Rank
9
Country Rank
2
University
Ranking Based On Selection:
6
Engineering & Technology / Computer Science
Wireless Sensor Networks | Internet of Things | Artificial Intelligence | Cyber Security | Healthcar
Wireless Sensor Networks | Internet of Things | Artificial Intelligence | Cyber Security | Healthcar
H-Index Metrics
-
H-Index76
-
i10 Index309
-
Citation Counts22,140
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* Total H Index Rankings
Rankings
31,094
World Rank
10
Country Rank
1
University
Ranking Based On Selection:
7
Engineering & Technology / Nuclear Engineering
Probabilistic Risk Assessment | Nuclear Safety | Nuclear Engineering | High energy cosmic rays | Astroparticle physics and astronom
Probabilistic Risk Assessment | Nuclear Safety | Nuclear Engineering | High energy cosmic rays | Astroparticle physics and astronom
H-Index Metrics
-
H-Index74
-
i10 Index154
-
Citation Counts23,057
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* Total H Index Rankings
Rankings
35,500
World Rank
12
Country Rank
3
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
51,734
World Rank
17
Country Rank
4
University
Ranking Based On Selection:
9
Engineering & Technology / Mechanical Engineering
Mechanic | Nanomechanic | Concrete structures | Nanocomposite | Numerical metho
Mechanic | Nanomechanic | Concrete structures | Nanocomposite | Numerical metho
H-Index Metrics
-
H-Index62
-
i10 Index142
-
Citation Counts9,305
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* Total H Index Rankings
Rankings
53,884
World Rank
18
Country Rank
3
University
Ranking Based On Selection:
10
Engineering & Technology / Computer Science
Artificial Intelligence | Soft Computing | Knowledge Systems | Integrated Machine Learning | Multimoda
Artificial Intelligence | Soft Computing | Knowledge Systems | Integrated Machine Learning | Multimoda
H-Index Metrics
-
H-Index61
-
i10 Index133
-
Citation Counts10,794
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* Total H Index Rankings
Rankings
54,107
World Rank
19
Country Rank
5
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
54,329
World Rank
20
Country Rank
1
University
Ranking Based On Selection:
12
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | Nanotechnology | carbon nanotubes | graphene | metal oxide
Nanomaterials | Nanotechnology | carbon nanotubes | graphene | metal oxide
H-Index Metrics
-
H-Index61
-
i10 Index165
-
Citation Counts9,802
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* Total H Index Rankings
Rankings
66,783
World Rank
24
Country Rank
2
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
67,948
World Rank
25
Country Rank
6
University
Ranking Based On Selection:
14
Engineering & Technology / Chemical Engineering
Adsorption | Environmental science | Chemical engineering | Material scienc
Adsorption | Environmental science | Chemical engineering | Material scienc
H-Index Metrics
-
H-Index56
-
i10 Index101
-
Citation Counts13,717
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* Total H Index Rankings
Rankings
71,483
World Rank
28
Country Rank
7
University
Ranking Based On Selection:
15
Engineering & Technology / Civil Engineering
Geospatial Analysis | Urban Heat Island | Sustainability | Machine Learnin
Geospatial Analysis | Urban Heat Island | Sustainability | Machine Learnin
H-Index Metrics
-
H-Index55
-
i10 Index120
-
Citation Counts9,059
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* Total H Index Rankings
Rankings
75,249
World Rank
30
Country Rank
2
University
Ranking Based On Selection:
16
Engineering & Technology / Mechanical Engineering
Computational Mechanics - Isogeometric Analysis -Plates/shells analysi
Computational Mechanics - Isogeometric Analysis -Plates/shells analysi
H-Index Metrics
-
H-Index54
-
i10 Index94
-
Citation Counts8,333
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* Total H Index Rankings
Rankings
75,813
World Rank
32
Country Rank
2
University
Ranking Based On Selection:
17
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials and nanotechnology | gas sensors | semiconductor device
Nanomaterials and nanotechnology | gas sensors | semiconductor device
H-Index Metrics
-
H-Index54
-
i10 Index147
-
Citation Counts7,754
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* Total H Index Rankings
Rankings
80,181
World Rank
34
Country Rank
1
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
88,274
World Rank
37
Country Rank
1
University
Ranking Based On Selection:
19
Engineering & Technology / Computer Science
MCDM | Fuzzy Logic | SWOT analysis | AI | Machine Learnin
MCDM | Fuzzy Logic | SWOT analysis | AI | Machine Learnin
H-Index Metrics
-
H-Index51
-
i10 Index243
-
Citation Counts12,424
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* Total H Index Rankings
Rankings
92,466
World Rank
39
Country Rank
1
University
Ranking Based On Selection:
20
Engineering & Technology / Computer Science
Ai | deep learning | ASR | Speech recognition | Object detectio
Ai | deep learning | ASR | Speech recognition | Object detectio
H-Index Metrics
-
H-Index50
-
i10 Index294
-
Citation Counts13,186
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* Total H Index Rankings
Rankings
97,959
World Rank
43
Country Rank
2
University
Ranking Based On Selection:
21
Engineering & Technology / Mechanical Engineering
Computational Mechanics | Isogeometric analysis | Composites | Nanomechanics | Multiphysic
Computational Mechanics | Isogeometric analysis | Composites | Nanomechanics | Multiphysic
H-Index Metrics
-
H-Index49
-
i10 Index76
-
Citation Counts5,694
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* Total H Index Rankings
Rankings
98,079
World Rank
44
Country Rank
4
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Environmental chemistry | persistent organic pollutants | endocrine active chemicals | toxic heavy metals | human exposur
Environmental chemistry | persistent organic pollutants | endocrine active chemicals | toxic heavy metals | human exposur
H-Index Metrics
-
H-Index49
-
i10 Index114
-
Citation Counts9,309
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* Total H Index Rankings
Rankings
118,642
World Rank
58
Country Rank
3
University
Ranking Based On Selection:
23
Engineering & Technology / Nanoscience and Nanotechnology
semiconductor nanomaterials | 2D thin film materials | nanodevice applications and synchrotron sourc
semiconductor nanomaterials | 2D thin film materials | nanodevice applications and synchrotron sourc
H-Index Metrics
-
H-Index45
-
i10 Index85
-
Citation Counts4,665
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* Total H Index Rankings
Rankings
125,898
World Rank
67
Country Rank
9
University
Ranking Based On Selection:
24
Engineering & Technology / Metallurgical & Materials Engineering
Electrochemistry | Materials Science | Metallurgy | Corrosio
Electrochemistry | Materials Science | Metallurgy | Corrosio
H-Index Metrics
-
H-Index44
-
i10 Index101
-
Citation Counts5,306
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* Total H Index Rankings
Rankings
131,307
World Rank
68
Country Rank
1
University
Ranking Based On Selection:
25
Engineering & Technology / Computer Science
Intelligence Computing | Computer Science | Fog Computing | Blockchain | Internet of Thing
Intelligence Computing | Computer Science | Fog Computing | Blockchain | Internet of Thing
H-Index Metrics
-
H-Index43
-
i10 Index106
-
Citation Counts5,578
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