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 04, 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
Engineering Management | Sustainable Materials | Production Technology | Surface Science | Corrosio
H-Index Metrics
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H-Index45
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i10 Index220
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Citation Counts8,760
Rankings
Energy system | Energy conservation and management | power plant optimization | noise pollutio
H-Index Metrics
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H-Index35
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i10 Index92
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Citation Counts5,372
Rankings
Renewable energy systems | Microgrid design & planning | Life-cycle analysis | Energy polic
H-Index Metrics
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H-Index26
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i10 Index43
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Citation Counts3,895
Rankings
Rankings
International Economics and Finance | Macroeconomics and Applied Econometric
H-Index Metrics
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H-Index20
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i10 Index52
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Citation Counts1,319
Rankings
Rankings
Artificial intelligence | Operations research | Production & Maintenance engineering | Energy and Waste | Supply Chai
H-Index Metrics
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H-Index19
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i10 Index36
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Citation Counts1,332
Rankings
Rankings
Rankings
Rankings
Commercial management | Sustainability | Disaster Resilience | Construction Education | Construction Sa
H-Index Metrics
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H-Index17
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i10 Index29
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Citation Counts966
Rankings
Food science | Flour and starch chemistry | Baked food science | Food process optimisation | SDG
H-Index Metrics
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H-Index16
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i10 Index17
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Citation Counts866
Rankings
Construction Materials | Concrete Technology | Construction Health and Safet
H-Index Metrics
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H-Index15
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i10 Index19
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Citation Counts583
Rankings
Buildability | Building Production Management | Digitalisation | Sustainability | Construction Managemen
H-Index Metrics
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H-Index13
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i10 Index16
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Citation Counts555
Rankings
Renewable Energy | Microgrid Design and Analysis | Photovoltaics and Energy Management | Contro
H-Index Metrics
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H-Index12
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i10 Index17
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Citation Counts635
Rankings
Rankings
Synthetic Biomaterials | Orthopaedic Implants | Nanochemistr
H-Index Metrics
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H-Index12
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i10 Index14
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Citation Counts687
Rankings
Food science and Technology | Biotechnology | Nutritio
H-Index Metrics
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H-Index12
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i10 Index16
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Citation Counts636
Rankings
Rankings
Rankings
Rankings
Rankings
Rankings
Bibliotherapy | Library Management & Administration | Doctoral Mentoring | Cataloguing | IC
H-Index Metrics
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H-Index11
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i10 Index12
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Citation Counts697
Rankings
Food chemistry | spices | food product development | food safety and quality contro
H-Index Metrics
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H-Index10
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i10 Index12
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Citation Counts402
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