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].
Rankings
Applied Mathematics | Fluid Mechanics and Nanofluids | Fractal and Fractional Derivatives
H-Index Metrics
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H-Index41
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i10 Index123
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Citation Counts4,683
Rankings
Numerical Analysis of Classical and Fractional Ordinary Differential Equation
H-Index Metrics
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H-Index39
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i10 Index103
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Citation Counts5,902
Rankings
Nanofibers | Electrospinning | Nanomaterials | Textiles | Dyein
H-Index Metrics
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H-Index38
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i10 Index69
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Citation Counts3,910
Rankings
energy and environment | electrical engineering | Power Syste
H-Index Metrics
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H-Index35
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i10 Index91
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Citation Counts4,502
Rankings
Rankings
Energy Modeling | Energy Planning and Policy | Decision Analysis | Distributed Generation | Energy Material
H-Index Metrics
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H-Index30
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i10 Index53
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Citation Counts3,816
Rankings
Rankings
Renewable energy | Energy and environment | Energy conservation and managemen
H-Index Metrics
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H-Index30
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i10 Index53
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Citation Counts3,718
Rankings
Water and waste water treatment | Pretreatment of MSW | Biological Treatment | Waste Agricultural Biomass | Anaerobic co-digestion
H-Index Metrics
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H-Index29
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i10 Index82
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Citation Counts3,592
Rankings
Sustainable Energy Materials | Energy Storage Materials | Advanced Material
H-Index Metrics
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H-Index28
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i10 Index53
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Citation Counts2,295
Rankings
Rankings
Thermal Engineering | Solar Energy | Hydrogen Energy | Energy Security and Policy | Climate Chang
H-Index Metrics
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H-Index26
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i10 Index66
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Citation Counts2,705
Rankings
Nanomaterials | Water Splitting | Corrosion and Protectio
H-Index Metrics
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H-Index26
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i10 Index43
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Citation Counts1,889
Rankings
Rankings
Nanofiber | Electrospinning | Rotor spinning | Textil
H-Index Metrics
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H-Index26
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i10 Index38
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Citation Counts1,767
Rankings
Functionalized and conductive textile fabrics | fabrication of functional nanomaterials | textile energy harvesting | Yarn spinnin
H-Index Metrics
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H-Index25
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i10 Index32
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Citation Counts1,597
Rankings
Rankings
Rankings
Nanotechnology | Polymer Chemistry | Functional Materials | Biomaterials and Textile Engineerin
H-Index Metrics
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H-Index22
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i10 Index27
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Citation Counts1,537
Rankings
City & Regional Planning | Infrastructure Planning & Development | Regional Development Panning | Transportation Studies | Civil En
H-Index Metrics
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H-Index21
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i10 Index33
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Citation Counts1,392
Rankings
Information security | Location based services | Software Engineerin
H-Index Metrics
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H-Index21
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i10 Index33
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Citation Counts1,359
Rankings
Rankings
Computational Fluid Dynamics (CFD) | Linear Algebra | Differential Equation
H-Index Metrics
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H-Index19
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i10 Index36
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Citation Counts1,568
Rankings
Batteries | Supercapacitors | Electrochemical Sensors | Catalysis | Corrosion Science and Smart Nanocomposite Coating
H-Index Metrics
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H-Index19
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i10 Index29
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Citation Counts1,548
Rankings
Sustainability | Textiles | Dyeing | Color Science | Functional Finishin
H-Index Metrics
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H-Index19
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i10 Index27
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Citation Counts1,963
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