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
Chemical Engineering | Fabrication Technology | Materials Science | Environmental Scienc
H-Index Metrics
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H-Index48
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i10 Index163
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Citation Counts8,067
Rankings
Rankings
Environmental Management | Chemical Engineering | Energy Conservatio
H-Index Metrics
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H-Index35
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i10 Index82
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Citation Counts3,458
Rankings
Rankings
Rankings
Separation Processes | Waste treatment | Nanomaterials | Corrosion | Desalinatio
H-Index Metrics
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H-Index33
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i10 Index88
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Citation Counts3,853
Rankings
Process Integration | Chemical Process Design | Energy Savings | Green Engineering | Environmental Revampin
H-Index Metrics
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H-Index30
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i10 Index61
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Citation Counts3,346
Rankings
Rankings
Electrochemistry | wastewater treatment | pulp and pape
H-Index Metrics
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H-Index26
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i10 Index45
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Citation Counts3,841
Rankings
Chemistry | Applied Chemistry | Chemical Engineering | Petroleum Engineerin
H-Index Metrics
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H-Index26
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i10 Index60
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Citation Counts2,089
Rankings
Rankings
Rankings
systems and control | reaction engineering | catalysis | hydrogen energy | desalinatio
H-Index Metrics
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H-Index25
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i10 Index50
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Citation Counts2,143
Rankings
Rankings
Rankings
Mass Transfer Operations | Adsorption Engineering | Effluent Treatment | Adsorption Modelin
H-Index Metrics
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H-Index24
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i10 Index31
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Citation Counts2,923
Rankings
Chemical Reaction Engineering | Petrochemicals | Hydrogen Energy | Membrane Separation | Research and Innovation Managemen
H-Index Metrics
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H-Index24
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i10 Index32
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Citation Counts2,141
Rankings
chemical engineering | chemistry | membrane technology for gases separation | material science | hydrogen and energ
H-Index Metrics
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H-Index23
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i10 Index54
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Citation Counts1,531
Rankings
Polymer Chemistry | Chemical Engineering | Biomateria
H-Index Metrics
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H-Index23
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i10 Index40
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Citation Counts2,190
Rankings
Chemical Engineering | Applied Thermodynamics and Separation | Green Engineering | CHE educatio
H-Index Metrics
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H-Index23
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i10 Index42
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Citation Counts2,553
Rankings
Applied microbiology - Medical microbiology- biotechnology - Nanotechnolog
H-Index Metrics
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H-Index22
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i10 Index29
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Citation Counts1,680
Rankings
Chemical Engineering | Polymers | Energetic Materials | Rocket propellants | Explosive
H-Index Metrics
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H-Index22
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i10 Index43
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Citation Counts1,563
Rankings
Petroleum Refining | Bioenergy | Environment | Waste Managemen
H-Index Metrics
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H-Index21
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i10 Index33
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Citation Counts2,306
Rankings
Rankings
Industrial water treatment | Corrosion and Corrosion protection | Mass Transfer | Water treatment
H-Index Metrics
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H-Index21
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i10 Index24
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Citation Counts4,449
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