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 Dec 31, 2025, 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 (1.131.755) 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
Food Science | Food Chemistry | Utilization of by-products from seafood industry | Shelf-life extension of seafood
H-Index Metrics
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H-Index136
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i10 Index974
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Citation Counts78,545
Rankings
Areas of interest: Fluid Mechanics | Heat Transfer | Thermodynamics | Two-Phase Flow | Thermal System Desig
H-Index Metrics
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H-Index112
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i10 Index534
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Citation Counts50,616
Rankings
cement | concrete | geopolymer | composite materials | civil engineerin
H-Index Metrics
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H-Index103
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i10 Index373
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Citation Counts41,747
Rankings
Mechanical Engineering | Natural Fiber Composites | Natural fibre composites | Biocomposites | Polyme
H-Index Metrics
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H-Index97
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i10 Index460
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Citation Counts37,777
Rankings
Mechanical Engineering | Polymer Composites | Natural Fiber Composites | Biocomposite
H-Index Metrics
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H-Index95
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i10 Index600
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Citation Counts38,169
Rankings
Ground Improvement techniques | Chemical Stabilization | PVD | Earth Reinforcement | Recycled Construction and Demolitio
H-Index Metrics
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H-Index93
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i10 Index354
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Citation Counts30,556
Rankings
Rankings
Biomaterials | Biomedicine | Wound Dressings | Drug Delivery | Tissue Engineerin
H-Index Metrics
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H-Index84
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i10 Index243
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Citation Counts23,455
Rankings
Rankings
Food Engineering | Drying | Food Materials Science | Heat and Mass Transfe
H-Index Metrics
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H-Index73
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i10 Index240
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Citation Counts16,074
Rankings
Rankings
Rankings
Batteries | Supercapacitor | Photocatalyst | Electrocatalyst | Surface coating
H-Index Metrics
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H-Index70
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i10 Index234
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Citation Counts18,780
Rankings
molecular catalysis | functional nanomaterials | reaction mechanism | zeolite catalysis | green chemistr
H-Index Metrics
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H-Index70
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i10 Index267
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Citation Counts15,927
Rankings
Rankings
Rankings
Materials Science and Nanotechnolog
H-Index Metrics
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H-Index65
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i10 Index245
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Citation Counts16,293
Rankings
Chemical Reaction Engineering | Multifunctional Reactor | Hydrogen Production | Biodiesel Production | Biorefiner
H-Index Metrics
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H-Index63
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i10 Index324
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Citation Counts15,812
Rankings
Environmental Engineering | membrane technology | solid waste managmen
H-Index Metrics
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H-Index63
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i10 Index188
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Citation Counts13,561
Rankings
Materials | Electrical and electronic engineering | Applied physic
H-Index Metrics
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H-Index60
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i10 Index211
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Citation Counts12,814
Rankings
Geotechnical Engineering | Soil Mechanics | Finite Element Analysis | Construction and Building Materials | Geoenvironmental Engine
H-Index Metrics
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H-Index58
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i10 Index150
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Citation Counts9,100
Rankings
Environmental governance | climate change adaptation | sustainability science | knowledge systems | narrative
H-Index Metrics
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H-Index56
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i10 Index162
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Citation Counts25,015
Rankings
Rankings
Heat transfer enhancement | electronic cooling | Electric vehicle coolin
H-Index Metrics
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H-Index56
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i10 Index100
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Citation Counts8,599
Rankings
Energy and environment management | Renewable Energy | Solar Energy | Waste Managemen
H-Index Metrics
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H-Index55
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i10 Index150
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Citation Counts10,741
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