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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 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
1,162
World Rank
3
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Computer Science
cooling and drying | food quality and safety | bioprocess simulation | computer vision | hyperspectral imagin
cooling and drying | food quality and safety | bioprocess simulation | computer vision | hyperspectral imagin
H-Index Metrics
-
H-Index175
-
i10 Index843
-
Citation Counts101,291
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* Total H Index Rankings
Rankings
4,075
World Rank
11
Country Rank
2
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
6,585
World Rank
19
Country Rank
9
University
Ranking Based On Selection:
3
Engineering & Technology / Food Science and Engineering
Cheese | Milk Proteins | Heat Stability of Milk | Enzymolog
Cheese | Milk Proteins | Heat Stability of Milk | Enzymolog
H-Index Metrics
-
H-Index114
-
i10 Index484
-
Citation Counts52,604
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* Total H Index Rankings
Rankings
7,905
World Rank
23
Country Rank
2
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
8,263
World Rank
24
Country Rank
1
University
Ranking Based On Selection:
5
Engineering & Technology / Mechanical Engineering
Reaction kinetics | combustion science | fuels | combustion | chemical engineerin
Reaction kinetics | combustion science | fuels | combustion | chemical engineerin
H-Index Metrics
-
H-Index107
-
i10 Index286
-
Citation Counts44,609
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* Total H Index Rankings
Rankings
8,855
World Rank
29
Country Rank
11
University
Ranking Based On Selection:
6
Engineering & Technology / Food Science and Engineering
Food Packaging | Food Science | Meat | Poultry and Seafood Processing and Technolog
Food Packaging | Food Science | Meat | Poultry and Seafood Processing and Technolog
H-Index Metrics
-
H-Index105
-
i10 Index439
-
Citation Counts38,817
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* Total H Index Rankings
Rankings
10,342
World Rank
35
Country Rank
3
University
Ranking Based On Selection:
7
Engineering & Technology / Meteorology & Atmospheric Sciences
Atmospheric composition & climate change
Atmospheric composition & climate change
H-Index Metrics
-
H-Index101
-
i10 Index289
-
Citation Counts40,603
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* Total H Index Rankings
Rankings
10,792
World Rank
37
Country Rank
11
University
Ranking Based On Selection:
8
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | GRMs | Graphene | Analytics | Sensor
Nanomaterials | GRMs | Graphene | Analytics | Sensor
H-Index Metrics
-
H-Index101
-
i10 Index255
-
Citation Counts55,981
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* Total H Index Rankings
Rankings
13,901
World Rank
45
Country Rank
14
University
Ranking Based On Selection:
9
Engineering & Technology / Food Science and Engineering
food allergy paediatrics anaphylaxis eczema immunotherap
food allergy paediatrics anaphylaxis eczema immunotherap
H-Index Metrics
-
H-Index93
-
i10 Index259
-
Citation Counts38,835
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* Total H Index Rankings
Rankings
15,787
World Rank
52
Country Rank
15
University
Ranking Based On Selection:
10
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | biosensor technology | immunoassays | bionanomaterials | antimicrobial
nanotechnology | biosensor technology | immunoassays | bionanomaterials | antimicrobial
H-Index Metrics
-
H-Index90
-
i10 Index345
-
Citation Counts32,824
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* Total H Index Rankings
Rankings
16,302
World Rank
54
Country Rank
1
University
Ranking Based On Selection:
11
Engineering & Technology / Electrical & Information Engineering
Telecommunications | computer networking | education managemen
Telecommunications | computer networking | education managemen
H-Index Metrics
-
H-Index89
-
i10 Index395
-
Citation Counts34,087
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* Total H Index Rankings
Rankings
16,305
World Rank
55
Country Rank
7
University
Ranking Based On Selection:
12
Engineering & Technology / Bioengineering
Biomaterials | Tissue Engineering | Regenerative Medicine | Drug Delivery | Nanotechnolog
Biomaterials | Tissue Engineering | Regenerative Medicine | Drug Delivery | Nanotechnolog
H-Index Metrics
-
H-Index89
-
i10 Index344
-
Citation Counts29,765
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* Total H Index Rankings
Rankings
18,680
World Rank
62
Country Rank
12
University
Ranking Based On Selection:
13
Engineering & Technology / Computer Science
Personalization | User Modeling | Case-based Reasoning | Recommender System
Personalization | User Modeling | Case-based Reasoning | Recommender System
H-Index Metrics
-
H-Index86
-
i10 Index356
-
Citation Counts28,008
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* Total H Index Rankings
Rankings
19,286
World Rank
65
Country Rank
13
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
20,143
World Rank
69
Country Rank
18
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
20,168
World Rank
70
Country Rank
14
University
Ranking Based On Selection:
16
Engineering & Technology / Food Science and Engineering
nutrition | food | food chemical exposure | metabolomic
nutrition | food | food chemical exposure | metabolomic
H-Index Metrics
-
H-Index84
-
i10 Index329
-
Citation Counts29,472
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* Total H Index Rankings
Rankings
20,810
World Rank
73
Country Rank
20
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
21,637
World Rank
79
Country Rank
19
University
Ranking Based On Selection:
18
Engineering & Technology / Food Science and Engineering
Food Process Engineering | Spectroscopy and spectral imaging | Process Analytical Technology | Bioprocessin
Food Process Engineering | Spectroscopy and spectral imaging | Process Analytical Technology | Bioprocessin
H-Index Metrics
-
H-Index82
-
i10 Index223
-
Citation Counts27,719
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* Total H Index Rankings
Rankings
21,742
World Rank
81
Country Rank
22
University
Ranking Based On Selection:
19
Engineering & Technology / Biomedical Engineering
Tissue Engineering | Articular Cartilage | Mechanobiology | Mesenchymal Stem Cells | 3D Bioprintin
Tissue Engineering | Articular Cartilage | Mechanobiology | Mesenchymal Stem Cells | 3D Bioprintin
H-Index Metrics
-
H-Index83
-
i10 Index233
-
Citation Counts21,226
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* Total H Index Rankings
Rankings
22,911
World Rank
83
Country Rank
24
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
23,322
World Rank
85
Country Rank
1
University
Ranking Based On Selection:
21
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Net zero carbon and Sustainability | Materials for Energy and Environment | Photocatalysis | Supercapacitor
Nanotechnology | Net zero carbon and Sustainability | Materials for Energy and Environment | Photocatalysis | Supercapacitor
H-Index Metrics
-
H-Index80
-
i10 Index171
-
Citation Counts31,754
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* Total H Index Rankings
Rankings
26,495
World Rank
94
Country Rank
22
University
Ranking Based On Selection:
22
Engineering & Technology / Civil Engineering
Biomethane | hydrogen energy | electrofuels | circular economy | bioeconom
Biomethane | hydrogen energy | electrofuels | circular economy | bioeconom
H-Index Metrics
-
H-Index77
-
i10 Index212
-
Citation Counts20,581
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* Total H Index Rankings
Rankings
27,682
World Rank
98
Country Rank
23
University
Ranking Based On Selection:
23
Engineering & Technology / Marine Sciences and Engineering
Offshore Renewable Energy | Offshore Wind Energy | Ocean Energy | Coastal Engineering | Climate Chang
Offshore Renewable Energy | Offshore Wind Energy | Ocean Energy | Coastal Engineering | Climate Chang
H-Index Metrics
-
H-Index76
-
i10 Index226
-
Citation Counts16,951
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* Total H Index Rankings
Rankings
28,758
World Rank
101
Country Rank
11
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Environmental sciences | GIS | Spatial analysis | Soil | Metal
Environmental sciences | GIS | Spatial analysis | Soil | Metal
H-Index Metrics
-
H-Index75
-
i10 Index226
-
Citation Counts18,006
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* Total H Index Rankings
Rankings
29,574
World Rank
105
Country Rank
2
University
Ranking Based On Selection:
25
Engineering & Technology / Computer Science
AI | multimedia information retrieval | lifelogging | video processing | educational technolog
AI | multimedia information retrieval | lifelogging | video processing | educational technolog
H-Index Metrics
-
H-Index75
-
i10 Index378
-
Citation Counts25,238
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Premium Data
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