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World Scientist and University Rankings 2026
Nnamdi Azikiwe University Engineering & Technology 179 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 06, 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 (1.131.911) 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
37,231
World Rank
10
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
Environmental Sustainability | Clean Energy | Nanomaterials | Catalysi
Environmental Sustainability | Clean Energy | Nanomaterials | Catalysi
H-Index Metrics
-
H-Index69
-
i10 Index239
-
Citation Counts15,851
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* Total H Index Rankings
Rankings
91,866
World Rank
41
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Textile Engineering
Polymer Nanocomposites | Hybrid Bionanocomposites | Fire Retardancy | Engineering Textile
Polymer Nanocomposites | Hybrid Bionanocomposites | Fire Retardancy | Engineering Textile
H-Index Metrics
-
H-Index50
-
i10 Index111
-
Citation Counts6,901
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* Total H Index Rankings
Rankings
106,842
World Rank
55
Country Rank
3
University
Ranking Based On Selection:
3
Engineering & Technology / Chemical Engineering
Wastewater treatment | Biomass | Biogas | Modeling and Optimization | Chemical Engineerin
Wastewater treatment | Biomass | Biogas | Modeling and Optimization | Chemical Engineerin
H-Index Metrics
-
H-Index47
-
i10 Index120
-
Citation Counts7,334
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* Total H Index Rankings
Rankings
132,121
World Rank
81
Country Rank
4
University
Ranking Based On Selection:
4
Engineering & Technology / Chemical Engineering
Kinetics and catalysis | composite Studies | Adsorption/Coagulation Studies | Corrosion | Bioenerg
Kinetics and catalysis | composite Studies | Adsorption/Coagulation Studies | Corrosion | Bioenerg
H-Index Metrics
-
H-Index43
-
i10 Index212
-
Citation Counts7,901
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* Total H Index Rankings
Rankings
195,342
World Rank
186
Country Rank
6
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
261,860
World Rank
345
Country Rank
12
University
Ranking Based On Selection:
6
Engineering & Technology / Chemical Engineering
Environmental Chemical Engineering | Raw materials processing and utilization | Biomass energ
Environmental Chemical Engineering | Raw materials processing and utilization | Biomass energ
H-Index Metrics
-
H-Index31
-
i10 Index65
-
Citation Counts3,135
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* Total H Index Rankings
Rankings
479,324
World Rank
1,295
Country Rank
34
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
509,092
World Rank
1,518
Country Rank
40
University
Ranking Based On Selection:
8
Engineering & Technology / Mechanical Engineering
Mechanical Design | Materials Technology | Ionization Radiatio
Mechanical Design | Materials Technology | Ionization Radiatio
H-Index Metrics
-
H-Index20
-
i10 Index28
-
Citation Counts1,366
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* Total H Index Rankings
Rankings
536,008
World Rank
1,710
Country Rank
47
University
Ranking Based On Selection:
9
Engineering & Technology / Chemical Engineering
Biosystems Engineering | Process Modelling | Biomass Valorisation | Food Engineering | Wate
Biosystems Engineering | Process Modelling | Biomass Valorisation | Food Engineering | Wate
H-Index Metrics
-
H-Index19
-
i10 Index23
-
Citation Counts1,352
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* Total H Index Rankings
Rankings
579,218
World Rank
2,102
Country Rank
60
University
Ranking Based On Selection:
10
Engineering & Technology / Biomedical Engineering
Bioenergy & Alternative Energy | Thermal Engineering | Biomedical Engineering | Materials | Optimizatio
Bioenergy & Alternative Energy | Thermal Engineering | Biomedical Engineering | Materials | Optimizatio
H-Index Metrics
-
H-Index18
-
i10 Index28
-
Citation Counts1,180
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* Total H Index Rankings
Rankings
583,333
World Rank
2,138
Country Rank
61
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
612,935
World Rank
2,471
Country Rank
66
University
Ranking Based On Selection:
12
Engineering & Technology / Civil Engineering
Construction Health and Safety | Sustainable Construction | Construction Economics | Construction managemen
Construction Health and Safety | Sustainable Construction | Construction Economics | Construction managemen
H-Index Metrics
-
H-Index17
-
i10 Index26
-
Citation Counts1,138
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* Total H Index Rankings
Rankings
614,783
World Rank
2,493
Country Rank
67
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
645,989
World Rank
2,853
Country Rank
79
University
Ranking Based On Selection:
14
Engineering & Technology / Mechanical Engineering
Fine particle technology | blood-HIV interactions | surface thermodynamics | mechanical vibration
Fine particle technology | blood-HIV interactions | surface thermodynamics | mechanical vibration
H-Index Metrics
-
H-Index17
-
i10 Index27
-
Citation Counts1,694
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* Total H Index Rankings
Rankings
661,789
World Rank
3,041
Country Rank
85
University
Ranking Based On Selection:
15
Engineering & Technology / Chemical Engineering
Chemical kinetics | Process industry design | Environmental Engineering | and Composites/Nanotechnolog
Chemical kinetics | Process industry design | Environmental Engineering | and Composites/Nanotechnolog
H-Index Metrics
-
H-Index16
-
i10 Index26
-
Citation Counts861
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* Total H Index Rankings
Rankings
700,811
World Rank
3,556
Country Rank
101
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
702,820
World Rank
3,597
Country Rank
103
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
727,675
World Rank
3,992
Country Rank
113
University
Ranking Based On Selection:
18
Engineering & Technology / Food Science and Engineering
Food Processing and Preservation | Food Product Development | Food Quality Control | Food Security
Food Processing and Preservation | Food Product Development | Food Quality Control | Food Security
H-Index Metrics
-
H-Index15
-
i10 Index16
-
Citation Counts1,091
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* Total H Index Rankings
Rankings
740,177
World Rank
4,124
Country Rank
121
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
744,034
World Rank
4,187
Country Rank
125
University
Ranking Based On Selection:
20
Engineering & Technology / Industrial & Manufacturing Engineering
Digital Manufacturing | Production Systems | Ergonomics and Human Factors | Artificial Intelligenc
Digital Manufacturing | Production Systems | Ergonomics and Human Factors | Artificial Intelligenc
H-Index Metrics
-
H-Index14
-
i10 Index18
-
Citation Counts518
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* Total H Index Rankings
Rankings
750,749
World Rank
4,264
Country Rank
128
University
Ranking Based On Selection:
21
Engineering & Technology / Earth Sciences
Exploration Geophysics | Structural Geology | Hydrogeophysics | Seismic Interpretation and modelling | Magnetic/Gravity Interpretat
Exploration Geophysics | Structural Geology | Hydrogeophysics | Seismic Interpretation and modelling | Magnetic/Gravity Interpretat
H-Index Metrics
-
H-Index14
-
i10 Index23
-
Citation Counts623
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* Total H Index Rankings
Rankings
754,119
World Rank
4,341
Country Rank
130
University
Ranking Based On Selection:
22
Engineering & Technology / Chemical Engineering
Raw material development and utilization | corrosion inhibitio
Raw material development and utilization | corrosion inhibitio
H-Index Metrics
-
H-Index14
-
i10 Index18
-
Citation Counts581
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* Total H Index Rankings
Rankings
754,283
World Rank
4,348
Country Rank
131
University
Ranking Based On Selection:
23
Engineering & Technology / Chemical Engineering
Environmental Engineering Management/Wastewater Treatment | Modelling and Process Engineering
Environmental Engineering Management/Wastewater Treatment | Modelling and Process Engineering
H-Index Metrics
-
H-Index14
-
i10 Index18
-
Citation Counts516
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* Total H Index Rankings
Rankings
761,614
World Rank
4,437
Country Rank
137
University
Ranking Based On Selection:
24
Engineering & Technology / Food Science and Engineering
Food Science and Technology (Food processing
Food Science and Technology (Food processing
H-Index Metrics
-
H-Index14
-
i10 Index20
-
Citation Counts778
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* Total H Index Rankings
Rankings
762,252
World Rank
4,459
Country Rank
139
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Environmental Management | Natural Resources Management | Pollution & Control | Ocean Governanc
Environmental Management | Natural Resources Management | Pollution & Control | Ocean Governanc
H-Index Metrics
-
H-Index14
-
i10 Index19
-
Citation Counts843
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Premium Data
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