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 08, 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 (1.131.927) 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
Hydroprocessing | Oil and Gas | Gas-to-Liquid | Desulfurization of tire pyrolysis oil | biocrude upgradin
H-Index Metrics
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H-Index20
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i10 Index27
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Citation Counts1,113
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nursing | population health | mental health | healthcare acces
H-Index Metrics
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H-Index17
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i10 Index25
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Citation Counts1,196
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Biofuels | Green chemistry | Catalysis | Supercritical fluids | Medicinal cannabi
H-Index Metrics
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H-Index16
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i10 Index22
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Citation Counts1,307
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Machine Learning | Pattern Recognition | Computational Biotechnology | Signal and Image Processin
H-Index Metrics
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H-Index15
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i10 Index20
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Citation Counts1,107
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Infertility | Fertility preservation | Cryopreservation | Apoptosis | Oxidative stress and AR
H-Index Metrics
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H-Index15
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i10 Index17
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Citation Counts792
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Natural Resource Management | Impacts/Risk Assessment | Climate Ch. Adaptat | EDI in Science & Forestr
H-Index Metrics
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H-Index15
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i10 Index16
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Citation Counts675
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Veterinary Public Health | antimicrobial resistance | food borne pathogens | molecular epidemiology | water microbiolog
H-Index Metrics
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H-Index15
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i10 Index20
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Citation Counts726
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Emergency Medicine | Point of Care Ultrasound | Simulation | Medical Educatio
H-Index Metrics
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H-Index14
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i10 Index22
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Citation Counts1,003
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language assessment | Corpus linguistics | Systemic Functional Linguistic
H-Index Metrics
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H-Index14
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i10 Index19
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Citation Counts941
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