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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 (1.131.752) 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
29,892
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
nanocomposites | medical physics | polymers | biomaterials | applications of nanocomposite
nanocomposites | medical physics | polymers | biomaterials | applications of nanocomposite
H-Index Metrics
-
H-Index74
-
i10 Index210
-
Citation Counts11,856
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* Total H Index Rankings
Rankings
37,184
World Rank
9
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Computer Science
Web Technology | IoT and Smart City | Parallel Processing | Distributed Systems | Cloud Computin
Web Technology | IoT and Smart City | Parallel Processing | Distributed Systems | Cloud Computin
H-Index Metrics
-
H-Index69
-
i10 Index191
-
Citation Counts11,358
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* Total H Index Rankings
Rankings
38,915
World Rank
10
Country Rank
1
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
42,564
World Rank
11
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Civil Engineering
Geotechnical Engineering | Concrete technology | Smart cement | Nanomaterials | Drilling Flui
Geotechnical Engineering | Concrete technology | Smart cement | Nanomaterials | Drilling Flui
H-Index Metrics
-
H-Index66
-
i10 Index199
-
Citation Counts12,974
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* Total H Index Rankings
Rankings
46,704
World Rank
13
Country Rank
1
University
Ranking Based On Selection:
5
Engineering & Technology / Computer Science
Computer Networks | Telecommunication and Computer Engineering | computer science
Computer Networks | Telecommunication and Computer Engineering | computer science
H-Index Metrics
-
H-Index64
-
i10 Index157
-
Citation Counts11,383
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* Total H Index Rankings
Rankings
46,722
World Rank
14
Country Rank
1
University
Ranking Based On Selection:
6
Engineering & Technology / Computer Science
Multi-Criteria Decision Making | Artificial Intelligence | Decision Support Systems | Trustworthy A
Multi-Criteria Decision Making | Artificial Intelligence | Decision Support Systems | Trustworthy A
H-Index Metrics
-
H-Index64
-
i10 Index149
-
Citation Counts13,281
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* Total H Index Rankings
Rankings
53,706
World Rank
18
Country Rank
3
University
Ranking Based On Selection:
7
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Applied Sciences | Thin Films | Celestial Mechanics | Optical Communication Solid-State Physic
Nanotechnology | Applied Sciences | Thin Films | Celestial Mechanics | Optical Communication Solid-State Physic
H-Index Metrics
-
H-Index61
-
i10 Index161
-
Citation Counts9,308
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* Total H Index Rankings
Rankings
59,044
World Rank
21
Country Rank
2
University
Ranking Based On Selection:
8
Engineering & Technology / Mechanical Engineering
Heat transfer | CFD | Nanotechnology | Clean Energy | Aerodynami
Heat transfer | CFD | Nanotechnology | Clean Energy | Aerodynami
H-Index Metrics
-
H-Index59
-
i10 Index146
-
Citation Counts9,579
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* Total H Index Rankings
Rankings
64,954
World Rank
24
Country Rank
4
University
Ranking Based On Selection:
9
Engineering & Technology / Chemical Engineering
Nanoporous Materials | Catalyst | Wastewater treatment | Desulfurization | Drug Delivery
Nanoporous Materials | Catalyst | Wastewater treatment | Desulfurization | Drug Delivery
H-Index Metrics
-
H-Index57
-
i10 Index96
-
Citation Counts6,025
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* Total H Index Rankings
Rankings
87,408
World Rank
30
Country Rank
3
University
Ranking Based On Selection:
10
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Analytical Chemistry | Environmental Nanotechnolog
Nanotechnology | Analytical Chemistry | Environmental Nanotechnolog
H-Index Metrics
-
H-Index51
-
i10 Index123
-
Citation Counts7,476
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* Total H Index Rankings
Rankings
91,789
World Rank
31
Country Rank
1
University
Ranking Based On Selection:
11
Engineering & Technology / Computer Science
Engineering Optimization | Evolutionary Algorithm | Metaheuristics | Swarm Intelligenc
Engineering Optimization | Evolutionary Algorithm | Metaheuristics | Swarm Intelligenc
H-Index Metrics
-
H-Index50
-
i10 Index153
-
Citation Counts9,746
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* Total H Index Rankings
Rankings
91,796
World Rank
32
Country Rank
8
University
Ranking Based On Selection:
12
Engineering & Technology / Mechanical Engineering
Mechanical Eng. | Renewable Energy | Turbine | Fuel | Combustion
Mechanical Eng. | Renewable Energy | Turbine | Fuel | Combustion
H-Index Metrics
-
H-Index50
-
i10 Index131
-
Citation Counts6,965
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* Total H Index Rankings
Rankings
96,519
World Rank
34
Country Rank
4
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
101,443
World Rank
35
Country Rank
1
University
Ranking Based On Selection:
14
Engineering & Technology / Mechanical Engineering
phase_change_materials_pcm_nanofluid_boiling_process_themofluid_mechanical_engineerin
phase_change_materials_pcm_nanofluid_boiling_process_themofluid_mechanical_engineerin
H-Index Metrics
-
H-Index48
-
i10 Index106
-
Citation Counts5,726
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* Total H Index Rankings
Rankings
112,414
World Rank
39
Country Rank
1
University
Ranking Based On Selection:
15
Engineering & Technology / Metallurgical & Materials Engineering
Recycled Aggregate Concrete | Sustainable building materials | concrete | LCA | Alkali-activated material
Recycled Aggregate Concrete | Sustainable building materials | concrete | LCA | Alkali-activated material
H-Index Metrics
-
H-Index46
-
i10 Index76
-
Citation Counts6,348
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* Total H Index Rankings
Rankings
113,960
World Rank
40
Country Rank
9
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
118,177
World Rank
42
Country Rank
1
University
Ranking Based On Selection:
17
Engineering & Technology / Computer Science
Serious Games | Adaptive Learning | Data Mining | Networking | Securit
Serious Games | Adaptive Learning | Data Mining | Networking | Securit
H-Index Metrics
-
H-Index45
-
i10 Index81
-
Citation Counts49,221
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* Total H Index Rankings
Rankings
118,723
World Rank
44
Country Rank
1
University
Ranking Based On Selection:
18
Engineering & Technology / Chemical Engineering
Chemical Engineering | Corrosion | reaction engineerin
Chemical Engineering | Corrosion | reaction engineerin
H-Index Metrics
-
H-Index45
-
i10 Index140
-
Citation Counts7,412
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* Total H Index Rankings
Rankings
131,239
World Rank
48
Country Rank
1
University
Ranking Based On Selection:
19
Engineering & Technology / Computer Science
Artificial Intelligence | Data Science | Biomedical Computin
Artificial Intelligence | Data Science | Biomedical Computin
H-Index Metrics
-
H-Index43
-
i10 Index92
-
Citation Counts6,775
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* Total H Index Rankings
Rankings
131,800
World Rank
51
Country Rank
2
University
Ranking Based On Selection:
20
Engineering & Technology / Biomedical Engineering
Heat Transfer | Hybrid-Nanofluids | PCM | Clean Energy | CFD Simulatio
Heat Transfer | Hybrid-Nanofluids | PCM | Clean Energy | CFD Simulatio
H-Index Metrics
-
H-Index43
-
i10 Index104
-
Citation Counts5,606
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* Total H Index Rankings
Rankings
132,278
World Rank
53
Country Rank
1
University
Ranking Based On Selection:
21
Engineering & Technology / Electrical & Electronic Engineering
Automation & Control | Energy Engineering | Artificial Intelligence | Hybrid modeling | HVAC System
Automation & Control | Energy Engineering | Artificial Intelligence | Hybrid modeling | HVAC System
H-Index Metrics
-
H-Index43
-
i10 Index117
-
Citation Counts6,488
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* Total H Index Rankings
Rankings
145,030
World Rank
58
Country Rank
1
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
145,924
World Rank
59
Country Rank
1
University
Ranking Based On Selection:
23
Engineering & Technology / Chemical Engineering
Chemistry | Physical Chemistry | Nano | DFT | Drug Delevir
Chemistry | Physical Chemistry | Nano | DFT | Drug Delevir
H-Index Metrics
-
H-Index41
-
i10 Index135
-
Citation Counts5,425
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Premium Data
* Total H Index Rankings
Rankings
146,288
World Rank
60
Country Rank
12
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
146,333
World Rank
61
Country Rank
2
University
Ranking Based On Selection:
25
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