University, Subject, Country, Region, World
Universiti Teknologi MARA 22 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 Feb 16, 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 (888.752) 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].
* Total H IndexRankings
Ranking Based On Selection: 1
Biomass energy
catalysis
gasification
adsorption
environment
Metrics
H-Index
i10 Index
Citation Counts
62
157
13,372
* Total H IndexRankings
Ranking Based On Selection: 2
Thermochemical Conversion
Catalysis
Energy and Fuel
Biomass
Carbon Materials
Metrics
H-Index
i10 Index
Citation Counts
31
53
3,739
* Total H IndexRankings
Ranking Based On Selection: 3
membrane
heterogeneous catalyst
methane conversion
wastewater and natural gas treatment
oil and gas
Metrics
H-Index
i10 Index
Citation Counts
29
50
2,652
* Total H IndexRankings
Ranking Based On Selection: 4
Coal Liquefaction
Biomass Energy
Pyrolysis
Supercritical Extraction
Metrics
H-Index
i10 Index
Citation Counts
26
44
3,597
* Total H IndexRankings
Ranking Based On Selection: 5
Supercritical Fluid Extraction
Pressurised Liquid Extraction and Cyclodextrin Encapsulation Technology
Metrics
H-Index
i10 Index
Citation Counts
18
20
817
* Total H IndexRankings
Ranking Based On Selection: 6
Chemical Engineering
Particle processing
non destructive testing
separation technology
Renewable energy and environment
Metrics
H-Index
i10 Index
Citation Counts
16
29
1,828
* Total H IndexRankings
Ranking Based On Selection: 7
wastewater treatment
energy
Metrics
H-Index
i10 Index
Citation Counts
15
24
987
* Total H IndexRankings
Ranking Based On Selection: 8
Enzyme Technology
Enzyme immobilization
Catalyst
Carbon Utilization
Bioactive Component
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,096
* Total H IndexRankings
Ranking Based On Selection: 9
Green Engineering
Energy and Environment
Biomass conversion
Coal cleaning technology
Waste Management
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,346
* Total H IndexRankings
Ranking Based On Selection: 10
Ultrafiltration
Photocatalyst
Wastewater Treatment
Metrics
H-Index
i10 Index
Citation Counts
14
14
967
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* Total H IndexRankings
Ranking Based On Selection: 11
Supercritical Fluids
Pharmaceuticals
Natural Products
Medicinal Plants
Microwave
Metrics
H-Index
i10 Index
Citation Counts
13
15
904
* Total H IndexRankings
Ranking Based On Selection: 12
bioprocess
Metrics
H-Index
i10 Index
Citation Counts
12
16
894
* Total H IndexRankings
Ranking Based On Selection: 13
Membrane separation
textile wastewater
surfactant colloids
coagulation flocculation
micellar enhanced ultrafiltration
Metrics
H-Index
i10 Index
Citation Counts
11
12
692
* Total H IndexRankings
Ranking Based On Selection: 14
civil
environment and chemical engineering
Metrics
H-Index
i10 Index
Citation Counts
10
10
476
* Total H IndexRankings
Ranking Based On Selection: 15
Chemical Engineering
Polymer Blend
Membrane Separation
Metrics
H-Index
i10 Index
Citation Counts
8
7
169
* Total H IndexRankings
Ranking Based On Selection: 16
chemical engineering
nanotechnology
adsorption dye
Metrics
H-Index
i10 Index
Citation Counts
8
7
159
* Total H IndexRankings
Ranking Based On Selection: 17
Oleochemicals
membrane separation
separation and purification
chemical engineering
Metrics
H-Index
i10 Index
Citation Counts
8
7
216
* Total H IndexRankings
Ranking Based On Selection: 18
Advanced Material
Solid Catalyst
Renewable Energy
Chemical Engineering
Metrics
H-Index
i10 Index
Citation Counts
7
7
460
* Total H IndexRankings
Ranking Based On Selection: 19
Chemical Engineering
Renewable Energy
Waste Water
Metrics
H-Index
i10 Index
Citation Counts
6
4
105
* Total H IndexRankings
Ranking Based On Selection: 20
Separation Technology
Supercritical Fluid Extraction
Wastewater Treatment Engineering
Chemical Engineering
Natural Product
Metrics
H-Index
i10 Index
Citation Counts
6
3
130
* Total H IndexRankings
Ranking Based On Selection: 21
Renewable Energy
Fuel Cell
Process Engineering
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
* Total H IndexRankings
Ranking Based On Selection: 22
Thermodynamics
Fluid Mechanics
Process Control
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Asadullah Mohammad
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
62
157
13,372
Biomass energy
catalysis
gasification
adsorption
environment
Syed Shatir A Syed Hassan
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
31
53
3,739
Thermochemical Conversion
Catalysis
Energy and Fuel
Biomass
Carbon Materials
Nur Hidayati Othman
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
29
50
2,652
membrane
heterogeneous catalyst
methane conversion
wastewater and natural gas treatment
oil and gas
Khudzir Ismail
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
26
44
3,597
Coal Liquefaction
Biomass Energy
Pyrolysis
Supercritical Extraction
Zaibunnisa Abdul Haiyee
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
18
20
817
Supercritical Fluid Extraction
Pressurised Liquid Extraction and Cyclodextrin Encapsulation Technology
Norazah Abd Rahman
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
16
29
1,828
Chemical Engineering
Particle processing
non destructive testing
separation technology
Renewable energy and environment
Juferi Idris
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
15
24
987
wastewater treatment
energy
Fazlena Hamzah
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
15
20
1,096
Enzyme Technology
Enzyme immobilization
Catalyst
Carbon Utilization
Bioactive Component
Azil Bahari Alias
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
15
17
1,346
Green Engineering
Energy and Environment
Biomass conversion
Coal cleaning technology
Waste Management
Lim Ying Pei
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
14
14
967
Ultrafiltration
Photocatalyst
Wastewater Treatment
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Ana Najwa Mustapa
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
13
15
904
Supercritical Fluids
Pharmaceuticals
Natural Products
Medicinal Plants
Microwave
Jailani Salihon
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
12
16
894
Puasa SW
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
11
12
692
Membrane separation
textile wastewater
surfactant colloids
coagulation flocculation
micellar enhanced ultrafiltration
Norhafezah Kasmuri
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
10
10
476
civil
environment and chemical engineering
Nur Azrini Ramlee
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
8
7
169
Chemical Engineering
Polymer Blend
Membrane Separation
Norashikin Ahmad Zamanhuri
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
8
7
159
chemical engineering
nanotechnology
adsorption dye
Norin Zamiah Kassim Shaari
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
8
7
216
Oleochemicals
membrane separation
separation and purification
chemical engineering
Noraini Razali
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
7
7
460
Advanced Material
Solid Catalyst
Renewable Energy
Chemical Engineering
Omar Syah Jehan Elham
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
6
4
105
Chemical Engineering
Renewable Energy
Waste Water
Nur Ain Mohd Zainuddin
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
6
3
130
Separation Technology
Supercritical Fluid Extraction
Wastewater Treatment Engineering
Chemical Engineering
Natural Product
Lydia Dundun Francis
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
1
0
4
Renewable Energy
Fuel Cell
Process Engineering
Azmi Mahmood
Universiti Teknologi MARA
Shah Alam, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
1
0
3
Thermodynamics
Fluid Mechanics
Process Control