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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 03, 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
25,079
World Rank
105
Country Rank
18
University
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
control | Process control | PID control | multivariable control | distillation
control | Process control | PID control | multivariable control | distillation
H-Index Metrics
-
H-Index79
-
i10 Index365
-
Citation Counts41,661
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* Total H Index Rankings
Rankings
38,992
World Rank
203
Country Rank
36
University
Ranking Based On Selection:
2
Engineering & Technology / Chemical Engineering
Energy Materials | Electrochemistry | Electrochemical Engineering | Hydrogen & Fuel Cell
Energy Materials | Electrochemistry | Electrochemical Engineering | Hydrogen & Fuel Cell
H-Index Metrics
-
H-Index68
-
i10 Index234
-
Citation Counts19,780
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* Total H Index Rankings
Rankings
83,246
World Rank
521
Country Rank
95
University
Ranking Based On Selection:
3
Engineering & Technology / Chemical Engineering
Membrane | CO2 Capture | Separation process | battery separator
Membrane | CO2 Capture | Separation process | battery separator
H-Index Metrics
-
H-Index53
-
i10 Index109
-
Citation Counts8,398
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* Total H Index Rankings
Rankings
99,311
World Rank
646
Country Rank
119
University
Ranking Based On Selection:
4
Engineering & Technology / Chemical Engineering
Catalysis | nanomaterials | in situ characterisation | kinetic
Catalysis | nanomaterials | in situ characterisation | kinetic
H-Index Metrics
-
H-Index49
-
i10 Index124
-
Citation Counts7,383
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* Total H Index Rankings
Rankings
169,619
World Rank
1,165
Country Rank
227
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
225,603
World Rank
1,567
Country Rank
308
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
320,028
World Rank
2,283
Country Rank
34
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
405,295
World Rank
2,848
Country Rank
58
University
Ranking Based On Selection:
8
Engineering & Technology / Chemical Engineering
Process Control | Distillation | Fuel Cells | Oil&gas processing | Simulatio
Process Control | Distillation | Fuel Cells | Oil&gas processing | Simulatio
H-Index Metrics
-
H-Index24
-
i10 Index43
-
Citation Counts2,733
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* Total H Index Rankings
Rankings
412,861
World Rank
2,899
Country Rank
555
University
Ranking Based On Selection:
9
Engineering & Technology / Chemical Engineering
Colloid and Interface Science | Petroleum engineering | Chromatography | Adsorption | Porous medi
Colloid and Interface Science | Petroleum engineering | Chromatography | Adsorption | Porous medi
H-Index Metrics
-
H-Index24
-
i10 Index34
-
Citation Counts1,433
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* Total H Index Rankings
Rankings
448,726
World Rank
3,148
Country Rank
602
University
Ranking Based On Selection:
10
Engineering & Technology / Chemical Engineering
Process optimization and control | Real-time optimization | Nonlinear optimization | Model predictive control | Subsea processin
Process optimization and control | Real-time optimization | Nonlinear optimization | Model predictive control | Subsea processin
H-Index Metrics
-
H-Index22
-
i10 Index47
-
Citation Counts2,117
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* Total H Index Rankings
Rankings
494,246
World Rank
3,486
Country Rank
647
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
598,634
World Rank
4,207
Country Rank
8
University
Ranking Based On Selection:
12
Engineering & Technology / Chemical Engineering
chemical engineering | material science | multiphase flow | risk assessment | Bayesian network
chemical engineering | material science | multiphase flow | risk assessment | Bayesian network
H-Index Metrics
-
H-Index18
-
i10 Index25
-
Citation Counts1,068
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* Total H Index Rankings
Rankings
658,269
World Rank
4,587
Country Rank
1,130
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
909,689
World Rank
6,221
Country Rank
227
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
939,918
World Rank
6,383
Country Rank
4
University
Ranking Based On Selection:
15
Engineering & Technology / Chemical Engineering
Renewable Energy | Water Electrolysis | Fuel cells | Electrochemical Engineering | Green ammoni
Renewable Energy | Water Electrolysis | Fuel cells | Electrochemical Engineering | Green ammoni
H-Index Metrics
-
H-Index11
-
i10 Index11
-
Citation Counts505
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* Total H Index Rankings
Rankings
1,384,048
World Rank
8,862
Country Rank
1,638
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
1,410,031
World Rank
8,991
Country Rank
265
University
Ranking Based On Selection:
17
Engineering & Technology / Chemical Engineering
Drilling Operation | Cementing Operation | Zonal Isolation | Chemical Engineering | Unit Operatio
Drilling Operation | Cementing Operation | Zonal Isolation | Chemical Engineering | Unit Operatio
H-Index Metrics
-
H-Index7
-
i10 Index5
-
Citation Counts180
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* Total H Index Rankings
Rankings
1,434,291
World Rank
9,102
Country Rank
1,695
University
Ranking Based On Selection:
18
Engineering & Technology / Chemical Engineering
chemical engineering | thermodynamics | CO2 capture | wax | neural networ
chemical engineering | thermodynamics | CO2 capture | wax | neural networ
H-Index Metrics
-
H-Index7
-
i10 Index5
-
Citation Counts172
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* Total H Index Rankings
Rankings
1,512,943
World Rank
9,497
Country Rank
1,775
University
Ranking Based On Selection:
19
Engineering & Technology / Chemical Engineering
Catalysis | Electrochemical Engineering | Molten Salts | Electrochemistry | Materials Characterizatio
Catalysis | Electrochemical Engineering | Molten Salts | Electrochemistry | Materials Characterizatio
H-Index Metrics
-
H-Index6
-
i10 Index4
-
Citation Counts178
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* Total H Index Rankings
Rankings
1,689,835
World Rank
10,188
Country Rank
1,920
University
Ranking Based On Selection:
20
Engineering & Technology / Chemical Engineering
statistical signal processing | machine learning | detection theory | estimation theory | data fusio
statistical signal processing | machine learning | detection theory | estimation theory | data fusio
H-Index Metrics
-
H-Index5
-
i10 Index3
-
Citation Counts138
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* Total H Index Rankings
Rankings
1,690,740
World Rank
10,190
Country Rank
1,921
University
Ranking Based On Selection:
21
Engineering & Technology / Chemical Engineering
Chemical Engineering | Process Systems Engineering | Control | Machine Learnin
Chemical Engineering | Process Systems Engineering | Control | Machine Learnin
H-Index Metrics
-
H-Index5
-
i10 Index3
-
Citation Counts132
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* Total H Index Rankings
Rankings
2,247,684
World Rank
11,522
Country Rank
151
University
Ranking Based On Selection:
22
Engineering & Technology / Chemical Engineering
Biochemical Engineering | Toxicokinetics | biotechnology | process engineerin
Biochemical Engineering | Toxicokinetics | biotechnology | process engineerin
H-Index Metrics
-
H-Index2
-
i10 Index2
-
Citation Counts42
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Premium Data
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