World Scientist and University Rankings 2025
Brunei Darussalam Engineering & Technology 117 Scientists Subject Rankings - 2025
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 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 6 years. As of Jan 29, 2025, 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 (873.688) 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].
* Total H IndexRankings
Ranking Based On Selection: 1
Nanotechnology
Ultrasound
Pharmaceuticals
Water treatment
Extraction
Metrics
H-Index
i10 Index
Citation Counts
70
228
15,002
* Total H IndexRankings
Ranking Based On Selection: 2
Environmental Engineering
Water and Wastewater Treatment
Solid Waste Management
Metrics
H-Index
i10 Index
Citation Counts
53
163
14,658
* Total H IndexRankings
Ranking Based On Selection: 3
Process Modeling Control and Optimization
Systems Engineering
AI-ML
nanomaterial
Remediation
Metrics
H-Index
i10 Index
Citation Counts
52
132
8,193
* Total H IndexRankings
Ranking Based On Selection: 4
Energy
Functional Materials
Fuel Cells
Biomass
Photocatalyst
Metrics
H-Index
i10 Index
Citation Counts
44
130
10,321
* Total H IndexRankings
Ranking Based On Selection: 5
Bioanalytical Chemistry
Bio/Nano materials
Biosensors
Diagnostics
Food Chemistry
Metrics
H-Index
i10 Index
Citation Counts
38
85
4,957
* Total H IndexRankings
Ranking Based On Selection: 6
Vibration condition monitoring
Pattern recognition
Signal Processing
Machine learning and Deep Learning
Digital Manufacturin
Metrics
H-Index
i10 Index
Citation Counts
35
90
5,173
* Total H IndexRankings
Ranking Based On Selection: 7
Materials
Physics
Energy
Metrics
H-Index
i10 Index
Citation Counts
35
73
3,639
* Total H IndexRankings
Ranking Based On Selection: 8
plasmonics
machine learning algorithms
Environmental chemistry
wastewater remediation
Water sensors
Metrics
H-Index
i10 Index
Citation Counts
33
54
2,698
* Total H IndexRankings
Ranking Based On Selection: 9
Speech Processing
Smart Grid
Smart Sensors
Smart Home
Metrics
H-Index
i10 Index
Citation Counts
32
70
5,643
* Total H IndexRankings
Ranking Based On Selection: 10
Sensors
Solar Cells
Computational Modeling
Nanotechnology
Materials
Metrics
H-Index
i10 Index
Citation Counts
31
45
2,764
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* Total H IndexRankings
Ranking Based On Selection: 11
Petrogenesis of Ophiolites
Chromites and PGE
Soil Geochemistry
Synthesis of Abiotic Methane
Metrics
H-Index
i10 Index
Citation Counts
31
73
2,526
* Total H IndexRankings
Ranking Based On Selection: 12
Biomass Characterisation
Catalytic Pyrolysis of Biomass
Biorefinery
Renewable Energy
Circular Bioeconomy
Metrics
H-Index
i10 Index
Citation Counts
30
48
3,182
* Total H IndexRankings
Ranking Based On Selection: 13
Machining
Sustainable Manufacturing
Intelligent Manufacturing
Optimization
Metrics
H-Index
i10 Index
Citation Counts
29
54
2,434
* Total H IndexRankings
Ranking Based On Selection: 14
Materials and Manufacturing
Metrics
H-Index
i10 Index
Citation Counts
28
52
2,563
* Total H IndexRankings
Ranking Based On Selection: 15
Manufacturing
Micromachining
Engineering Design
Engineering Management
Project Management
Metrics
H-Index
i10 Index
Citation Counts
27
65
2,556
* Total H IndexRankings
Ranking Based On Selection: 16
Computational Intelligence
Metaheuristics
Optimization
Machine Learning
Metrics
H-Index
i10 Index
Citation Counts
27
40
6,399
* Total H IndexRankings
Ranking Based On Selection: 17
Thermodynamics
Heat Transfer
Fluid Mechanics
Computational Fluid Dynamics
Refrigeration and Air Conditioning
Metrics
H-Index
i10 Index
Citation Counts
27
44
2,399
* Total H IndexRankings
Ranking Based On Selection: 18
Hetereogeneous catalysis
Nanotechnology
Green Energy
Metrics
H-Index
i10 Index
Citation Counts
24
45
2,135
* Total H IndexRankings
Ranking Based On Selection: 19
Artificial Intelligence
Neural Network
Embedded Systems
Smart Sensors
Metrics
H-Index
i10 Index
Citation Counts
24
36
2,138
* Total H IndexRankings
Ranking Based On Selection: 20
Petroleum Geology
Seismic interpretation
Well log analysis
Reservoir Characterization
Diagenesis/reservoir quality
Metrics
H-Index
i10 Index
Citation Counts
23
53
2,192
* Total H IndexRankings
Ranking Based On Selection: 21
Power Electronics
renewable energy
Energy Economics
Artificial Intelligence
Machine
Metrics
H-Index
i10 Index
Citation Counts
23
44
1,512
* Total H IndexRankings
Ranking Based On Selection: 22
Sustainable Construction
Procurement and Integration
Construction Industry Development
Metrics
H-Index
i10 Index
Citation Counts
23
35
3,159
* Total H IndexRankings
Ranking Based On Selection: 23
Water
Waste Management
Climate Change
Sustainability
Metrics
H-Index
i10 Index
Citation Counts
22
37
2,315
* Total H IndexRankings
Ranking Based On Selection: 24
Polymer composites and nano-composites
flame retardant polymers
Enhanced Oil Recovery (EOR)
Metrics
H-Index
i10 Index
Citation Counts
22
51
1,692
* Total H IndexRankings
Ranking Based On Selection: 25
Renewable Energy
Process Safety
Process simulation
Metrics
H-Index
i10 Index
Citation Counts
22
39
1,646
Sivakumar Manickam
Metrics
H-Index
i10-Index
Citation Counts
70
228
15,002
Nanotechnology
Ultrasound
Pharmaceuticals
Water treatment
Extraction
Mohamed Hasnain Isa
Metrics
H-Index
i10-Index
Citation Counts
53
163
14,658
Environmental Engineering
Water and Wastewater Treatment
Solid Waste Management
Rama Rao Karri
Metrics
H-Index
i10-Index
Citation Counts
52
132
8,193
Process Modeling Control and Optimization
Systems Engineering
AI-ML
nanomaterial
Remediation
Abul K Azad
Metrics
H-Index
i10-Index
Citation Counts
44
130
10,321
Energy
Functional Materials
Fuel Cells
Biomass
Photocatalyst
Minhaz Uddin Ahmed
Metrics
H-Index
i10-Index
Citation Counts
38
85
4,957
Bioanalytical Chemistry
Bio/Nano materials
Biosensors
Diagnostics
Food Chemistry
Wahyu Caesarendra
Metrics
H-Index
i10-Index
Citation Counts
35
90
5,173
Vibration condition monitoring
Pattern recognition
Signal Processing
Machine learning and Deep Learning
Digital Manufacturin
Muhammad Raziq Rahimi Kooh
Metrics
H-Index
i10-Index
Citation Counts
33
54
2,698
plasmonics
machine learning algorithms
Environmental chemistry
wastewater remediation
Water sensors
Liyanage
Metrics
H-Index
i10-Index
Citation Counts
32
70
5,643
Speech Processing
Smart Grid
Smart Sensors
Smart Home
Roshan Thotagamuge
Metrics
H-Index
i10-Index
Citation Counts
31
45
2,764
Sensors
Solar Cells
Computational Modeling
Nanotechnology
Materials
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Basilios Tsikouras
Metrics
H-Index
i10-Index
Citation Counts
31
73
2,526
Petrogenesis of Ophiolites
Chromites and PGE
Soil Geochemistry
Synthesis of Abiotic Methane
Muhammad Saifullah Abu Bakar
Metrics
H-Index
i10-Index
Citation Counts
30
48
3,182
Biomass Characterisation
Catalytic Pyrolysis of Biomass
Biorefinery
Renewable Energy
Circular Bioeconomy
Asif Iqbal
Metrics
H-Index
i10-Index
Citation Counts
29
54
2,434
Machining
Sustainable Manufacturing
Intelligent Manufacturing
Optimization
Mohammad Yeakub Ali
Metrics
H-Index
i10-Index
Citation Counts
27
65
2,556
Manufacturing
Micromachining
Engineering Design
Engineering Management
Project Management
Ardeshir Bahreininejad
Metrics
H-Index
i10-Index
Citation Counts
27
40
6,399
Computational Intelligence
Metaheuristics
Optimization
Machine Learning
Nawaf H Saeid
Metrics
H-Index
i10-Index
Citation Counts
27
44
2,399
Thermodynamics
Heat Transfer
Fluid Mechanics
Computational Fluid Dynamics
Refrigeration and Air Conditioning
AH Mahadi
Metrics
H-Index
i10-Index
Citation Counts
24
45
2,135
Hetereogeneous catalysis
Nanotechnology
Green Energy
Mohamad Iskandar Petra
Metrics
H-Index
i10-Index
Citation Counts
24
36
2,138
Artificial Intelligence
Neural Network
Embedded Systems
Smart Sensors
Aminul Islam
Metrics
H-Index
i10-Index
Citation Counts
23
53
2,192
Petroleum Geology
Seismic interpretation
Well log analysis
Reservoir Characterization
Diagenesis/reservoir quality
Ashraf Khalil
Metrics
H-Index
i10-Index
Citation Counts
23
44
1,512
Power Electronics
renewable energy
Energy Economics
Artificial Intelligence
Machine
Motiar Rahman
Metrics
H-Index
i10-Index
Citation Counts
23
35
3,159
Sustainable Construction
Procurement and Integration
Construction Industry Development
Shahriar Shams
Metrics
H-Index
i10-Index
Citation Counts
22
37
2,315
Water
Waste Management
Climate Change
Sustainability
Maziyar Sabet
Metrics
H-Index
i10-Index
Citation Counts
22
51
1,692
Polymer composites and nano-composites
flame retardant polymers
Enhanced Oil Recovery (EOR)
Reddy Prasad DM
Metrics
H-Index
i10-Index
Citation Counts
22
39
1,646
Renewable Energy
Process Safety
Process simulation