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 (0) 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].
Rankings
Manufacturing Processes | Machining | Heat Transfer | Nanomaterials Applications | Renewable Energ
H-Index Metrics
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H-Index80
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i10 Index203
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Citation Counts17,461
Rankings
Swarm Intelligence | Evolutionary Computation | Neural Networks | Optimization | Data Analytic
H-Index Metrics
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H-Index73
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i10 Index288
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Citation Counts31,199
Rankings
Rankings
manufacturing processes | CNC technology | machining technolog
H-Index Metrics
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H-Index61
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i10 Index303
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Citation Counts24,562
Rankings
X-ray tomography | Additive Manufacturing | Biomimicr
H-Index Metrics
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H-Index58
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i10 Index165
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Citation Counts16,738
Rankings
aticated carbon/ gaz storage/ microreactors/ ozone/ adsorption/ catalysi
H-Index Metrics
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H-Index34
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i10 Index67
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Citation Counts3,660
Rankings
Rankings
Industrial Engineering | Machine Learning | Data Analysi
H-Index Metrics
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H-Index32
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i10 Index54
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Citation Counts3,464
Rankings
MEMS | NEMS | Computational Mechanics | Nonlinear Dynamics | Vibration Energy Harvestin
H-Index Metrics
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H-Index32
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i10 Index86
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Citation Counts3,843
Rankings
Multifunctional Nanomaterials | Energy conversion and storage | Electrocatalysis | and Supercapacitor
H-Index Metrics
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H-Index30
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i10 Index50
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Citation Counts2,101
Rankings
Environmental engineering | Physical-chemistry | Experimental design | Pharmaceutical | Foo
H-Index Metrics
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H-Index29
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i10 Index53
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Citation Counts3,086
Rankings
Rankings
New Semiconductors Materials | Thin Layered Structures | Photovoltaics | Photonic
H-Index Metrics
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H-Index29
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i10 Index54
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Citation Counts3,552
Rankings
Sustainable Biorefineries | Biomass processing | Biomaterials | Postharvest Technologies | Wast
H-Index Metrics
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H-Index28
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i10 Index41
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Citation Counts1,721
Rankings
Additive and Advanced manufacturing | Design | Product Developmen
H-Index Metrics
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H-Index28
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i10 Index51
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Citation Counts3,158
Rankings
Automation Systems | Intelligent control | Fuzzy system | Diagnosis | Reliability Engineerin
H-Index Metrics
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H-Index27
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i10 Index77
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Citation Counts2,698
Rankings
Rankings
Biorefinery | LCA | Direct air Captur
H-Index Metrics
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H-Index25
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i10 Index35
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Citation Counts2,438
Rankings
Operations research | vehicle routing | supply chain management | logistics | container terminal plannin
H-Index Metrics
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H-Index25
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i10 Index67
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Citation Counts2,120
Rankings
Structural Integrity | Fatigue and fracture | Additive Manufacturing | Digital Image/Volume Correlatio
H-Index Metrics
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H-Index25
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i10 Index41
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Citation Counts2,544
Rankings
Bioprocessing | biomass processing | food-water-energy nexu
H-Index Metrics
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H-Index25
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i10 Index41
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Citation Counts2,088
Rankings
Process engineering | process control | university governance and management | research managemen
H-Index Metrics
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H-Index25
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i10 Index64
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Citation Counts2,889
Rankings
Transport modelling | Operations Research | Optimisation | Simulatio
H-Index Metrics
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H-Index24
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i10 Index54
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Citation Counts2,139
Rankings
Rankings
Argiles pontées | Mise en forme | Adsorption | Photocatalyse | Pollutio
H-Index Metrics
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H-Index24
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i10 Index28
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Citation Counts2,061
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