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 (1.131.911) 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
Pulsars | gamma-ray astronomy | globular clusters | cosmic ray
H-Index Metrics
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H-Index103
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i10 Index271
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Citation Counts44,802
Rankings
Rankings
Microbial Ecology | Soil Metagenomics | Plant-Microbe Interaction
H-Index Metrics
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H-Index85
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i10 Index316
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Citation Counts34,341
Rankings
Employability | Capabilities | Flourishing | Well-being | Positive Organisation
H-Index Metrics
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H-Index81
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i10 Index235
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Citation Counts21,850
Rankings
Rankings
Thermodynamics of solution | DESs | Ionic Liquids | Corrosion | Separation Technolog
H-Index Metrics
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H-Index59
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i10 Index184
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Citation Counts12,777
Rankings
Rankings
Animal models | Psychopharmacology | Neuroscience | Behavior | Psychiatr
H-Index Metrics
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H-Index54
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i10 Index145
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Citation Counts8,764
Rankings
Materials Chemistry | Nanotechnology | Chemical Engineering | Water Treatment | Environmental Analysi
H-Index Metrics
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H-Index52
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i10 Index210
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Citation Counts10,681
Rankings
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16S rRNA gene | bacterial diversity | insect gut bacteria | microbial community | Metagenomic
H-Index Metrics
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H-Index48
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i10 Index259
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Citation Counts11,548
Rankings
Rankings
Rankings
Speech technology | pattern recognition | machine learning | deep neural network
H-Index Metrics
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H-Index45
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i10 Index123
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Citation Counts8,298
Rankings
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Rankings
Ecotoxicology | Ecological Risk Assessment | Aquatic Toxicolog
H-Index Metrics
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H-Index42
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i10 Index137
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Citation Counts6,152
Rankings
Rankings
Aquatic Parasitology | Ecosystem Health | Aquatic Ecology | Marine Parasitolog
H-Index Metrics
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H-Index41
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i10 Index176
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Citation Counts6,461
Rankings
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Rankings
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Coal Conversion Processes | Combustion | Gasification | Reaction Kinetic
H-Index Metrics
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H-Index40
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i10 Index78
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Citation Counts5,548
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