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
Plant Science | Plant Nutrition | Agronomy | Biofortification | Crop Scienc
H-Index Metrics
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H-Index115
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i10 Index259
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Citation Counts58,823
Rankings
Rankings
Machining | machine tools | chatter | manufacturing processes | millin
H-Index Metrics
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H-Index62
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i10 Index144
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Citation Counts18,297
Rankings
solid-state circuits | microelectronics | circuits and systems | integrated circuits and systems | CMO
H-Index Metrics
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H-Index54
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i10 Index285
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Citation Counts17,452
Rankings
human computer interaction | learning engineering | technology enhanced learning | MOOC | VR/AR/X
H-Index Metrics
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H-Index51
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i10 Index136
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Citation Counts10,848
Rankings
International relations | globalization | democracy | foreign policy | conflict resolutio
H-Index Metrics
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H-Index51
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i10 Index153
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Citation Counts9,047
Rankings
Rankings
polymeric materials | composites | nanoscienc
H-Index Metrics
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H-Index48
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i10 Index137
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Citation Counts9,006
Rankings
Smoothed Particle Hydrodynamics | Meshless Methods | Computational Mechanics | Composite Material
H-Index Metrics
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H-Index47
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i10 Index153
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Citation Counts6,953
Rankings
Rankings
Rankings
semiconductors | supercapacitors | piezoelectrics | energy materials | photovoltaic
H-Index Metrics
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H-Index46
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i10 Index117
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Citation Counts7,501
Rankings
Mechanical Engineering | Microfluidics | Heat and Mass Transfer | Micro/Nano Scale Heat and Fluid Flo
H-Index Metrics
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H-Index44
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i10 Index158
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Citation Counts10,387
Rankings
biofortification | micronutrients | plant nutrition | plant physiology | elevated co
H-Index Metrics
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H-Index42
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i10 Index59
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Citation Counts8,505
Rankings
Redox flow batteries | electrophoresis | nanomaterials | electrochemical energy conversion & storag
H-Index Metrics
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H-Index42
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i10 Index70
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Citation Counts7,985
Rankings
Rankings
Rankings
Fossil and renewable fuels | carbon materials | catalysi
H-Index Metrics
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H-Index40
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i10 Index99
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Citation Counts6,621
Rankings
Bioprinting | Additive Manufacturing | 3D Printing | Multifunctional Structures | Computational Geometry for CAD/CA
H-Index Metrics
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H-Index39
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i10 Index84
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Citation Counts3,998
Rankings
Rankings
Logistics | Transportation | Multi Attribute Decision Makin
H-Index Metrics
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H-Index38
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i10 Index70
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Citation Counts4,599
Rankings
Rankings
Biosensors and bioelectronics | Point of care device for disease diagnostic application | Wearabl
H-Index Metrics
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H-Index36
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i10 Index65
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Citation Counts3,890
Rankings
Rankings
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