Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :26
Inorganic chemistry
Gas Conversion
Heterogeneous Catalysis ...
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
992
741
0.747
* Total Citation Counts Rankings
Ranking Based On Selection :27
Catalysis
GTL
Gas Conversion
Baggas Conversion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
975
435
0.446
* Total Citation Counts Rankings
Ranking Based On Selection :28
Electrocatalyst
Energy Materials
Surface Science
Photocatalyst Ceramic Membrane
Nanocomposite
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
937
519
0.554
* Total Citation Counts Rankings
Ranking Based On Selection :29
analytical chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
932
539
0.578
* Total Citation Counts Rankings
Ranking Based On Selection :30
membrane
nanocomposite
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
926
503
0.543
* Total Citation Counts Rankings
Ranking Based On Selection :31
Chemical process Engineering
modeling and simulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
915
661
0.722
* Total Citation Counts Rankings
Ranking Based On Selection :32
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
911
519
0.570
* Total Citation Counts Rankings
Ranking Based On Selection :33
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
857
319
0.372
* Total Citation Counts Rankings
Ranking Based On Selection :34
Nanotechnology
Catalyst
Lubricants
Inorganic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
822
617
0.751
* Total Citation Counts Rankings
Ranking Based On Selection :35
Process Development
desulfurization technology
CFD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
800
549
0.686
* Total Citation Counts Rankings
Ranking Based On Selection :36
Petroleum Eng.
Flow Assurance
Asphaltene & Wax
Nanoparticles
Well Stimulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
789
579
0.734
* Total Citation Counts Rankings
Ranking Based On Selection :37
Distillation
Optimization
Artificial Intelligence
Petroleum Refining
Process Synthesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
774
391
0.505
* Total Citation Counts Rankings
Ranking Based On Selection :38
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
773
486
0.629
* Total Citation Counts Rankings
Ranking Based On Selection :39
EOR
Flow assurance
Thermal recovery
Partial upgrading
CFD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
761
563
0.740
* Total Citation Counts Rankings
Ranking Based On Selection :40
Catalysis
Inorganic Chemistry
Zeolite
Nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
759
302
0.398
* Total Citation Counts Rankings
Ranking Based On Selection :41
thermodynamics
separation
process
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
701
312
0.445
* Total Citation Counts Rankings
Ranking Based On Selection :42
chemical engineering
adsorption
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
682
350
0.513
* Total Citation Counts Rankings
Ranking Based On Selection :43
Process Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
671
423
0.630
* Total Citation Counts Rankings
Ranking Based On Selection :44
Environmental pollution control
Removal pollutants
Remediation
Nano application in environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
635
524
0.825
* Total Citation Counts Rankings
Ranking Based On Selection :45
Nanothechnology
Zeolite
Catalysts
Scanning probe microscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
600
474
0.790
* Total Citation Counts Rankings
Ranking Based On Selection :46
Chemistry
Nanomaterials
Petroleum science & Technology
Chemical engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
580
324
0.559
* Total Citation Counts Rankings
Ranking Based On Selection :47
catalyst
nanotechnology
energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
558
354
0.634
* Total Citation Counts Rankings
Ranking Based On Selection :48
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
557
435
0.781
* Total Citation Counts Rankings
Ranking Based On Selection :49
Renewable energy especially in the fields of: (Fuel Cell
Hydrogen purification)
photocatalysis
Colloid science and Interface
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
523
306
0.585
* Total Citation Counts Rankings
Ranking Based On Selection :50
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
508
293
0.577
Farzad Bahadoran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
992
741
0.747
Inorganic chemistry
Gas Conversion
Heterogeneous Catalysis ...
Ali Karimi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
975
435
0.446
Catalysis
GTL
Gas Conversion
Baggas Conversion
Zahra Sadeghian
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
937
519
0.554
Electrocatalyst
Energy Materials
Surface Science
Photocatalyst Ceramic Membrane
Nanocomposite
Maryam Abbasghorbani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
932
539
0.578
Ghader Khanbabaei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
926
503
0.543
Ali Ghaffari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
915
661
0.722
Chemical process Engineering
modeling and simulation
Sepehr Sadighi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
911
519
0.570
Mahdi Ahmadi Marvast
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
857
319
0.372
Mahshad Alaei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
822
617
0.751
Nanotechnology
Catalyst
Lubricants
Inorganic chemistry
Mansour Bazmi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
800
549
0.686
Process Development
desulfurization technology
CFD
Saber Mohammadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
789
579
0.734
Petroleum Eng.
Flow Assurance
Asphaltene & Wax
Nanoparticles
Well Stimulation
J Ivakpour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
774
391
0.505
Distillation
Optimization
Artificial Intelligence
Petroleum Refining
Process Synthesis
Saeed Sadeghpour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
773
486
0.629
Hadi Bagherzadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
761
563
0.740
EOR
Flow assurance
Thermal recovery
Partial upgrading
CFD
Hamid Reza Aghabozorg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
759
302
0.398
Catalysis
Inorganic Chemistry
Zeolite
Nanotechnology
Mohammadali Safavi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
701
312
0.445
thermodynamics
separation
process
Hamid Ghassabzadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
682
350
0.513
chemical engineering
adsorption
Hadi Ebrahimi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
671
423
0.630
Saeideh Tasharrofi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
635
524
0.825
Environmental pollution control
Removal pollutants
Remediation
Nano application in environment
Sedigheh Sadegh Hassani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
600
474
0.790
Nanothechnology
Zeolite
Catalysts
Scanning probe microscopy
Amir Vahid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
580
324
0.559
Chemistry
Nanomaterials
Petroleum science & Technology
Chemical engineering
Mahnaz Pourkhalil
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
558
354
0.634
Babak Fazelabdolabadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
557
435
0.781
Leila Samiee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
523
306
0.585
Renewable energy especially in the fields of: (Fuel Cell
Hydrogen purification)
photocatalysis
Colloid science and Interface
Sahar Chitsazan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
508
293
0.577