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Malaysia 304 Scientists Subject Rankings
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 01, 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 (1.131.755) 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 Index Rankings
Rankings
8,153
World Rank
13
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Pyrolysis | Microwave Pyrolysis | Waste and Biomass Recovery | Water & Wastewater Treatment | Biocha
Pyrolysis | Microwave Pyrolysis | Waste and Biomass Recovery | Water & Wastewater Treatment | Biocha
H-Index Metrics
-
H-Index107
-
i10 Index474
-
Citation Counts38,724
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* Total H Index Rankings
Rankings
12,253
World Rank
17
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Droughts | Climate Change | Statistical hydrology | Groundwater hydrology | Hydrologica
Droughts | Climate Change | Statistical hydrology | Groundwater hydrology | Hydrologica
H-Index Metrics
-
H-Index96
-
i10 Index382
-
Citation Counts28,748
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* Total H Index Rankings
Rankings
14,929
World Rank
20
Country Rank
3
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
24,263
World Rank
51
Country Rank
10
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Water Resources | Optimization Model | Dam Operation | Artificial Neural networ
Water Resources | Optimization Model | Dam Operation | Artificial Neural networ
H-Index Metrics
-
H-Index79
-
i10 Index336
-
Citation Counts22,895
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* Total H Index Rankings
Rankings
26,239
World Rank
60
Country Rank
3
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Bioprocessing | Biorefinery | Food processing | Microalgae technology | Sustainabilit
Bioprocessing | Biorefinery | Food processing | Microalgae technology | Sustainabilit
H-Index Metrics
-
H-Index77
-
i10 Index199
-
Citation Counts21,739
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* Total H Index Rankings
Rankings
28,572
World Rank
66
Country Rank
1
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Biopolymers | Composite Biomaterials | Activated Carbon | Adsorption | Response Surface Methodolog
Biopolymers | Composite Biomaterials | Activated Carbon | Adsorption | Response Surface Methodolog
H-Index Metrics
-
H-Index75
-
i10 Index183
-
Citation Counts14,288
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* Total H Index Rankings
Rankings
32,578
World Rank
74
Country Rank
3
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
44,627
World Rank
116
Country Rank
9
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Waste and wastewater treatment | Phytoremediation | Waste Audit and Management | Waste Recovery and Mini
Environmental Engineering | Waste and wastewater treatment | Phytoremediation | Waste Audit and Management | Waste Recovery and Mini
H-Index Metrics
-
H-Index65
-
i10 Index287
-
Citation Counts17,746
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* Total H Index Rankings
Rankings
46,697
World Rank
123
Country Rank
1
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
57,310
World Rank
171
Country Rank
24
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
64,821
World Rank
201
Country Rank
18
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Waste to Energy | Bioenergy | Emission Control | Methane Ga
Environmental Engineering | Waste to Energy | Bioenergy | Emission Control | Methane Ga
H-Index Metrics
-
H-Index57
-
i10 Index180
-
Citation Counts10,840
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* Total H Index Rankings
Rankings
71,922
World Rank
236
Country Rank
1
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Microbial degradation | Fungal metabolism | Persistent organic pollutant | Pollutant transformatio
Microbial degradation | Fungal metabolism | Persistent organic pollutant | Pollutant transformatio
H-Index Metrics
-
H-Index55
-
i10 Index175
-
Citation Counts10,419
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* Total H Index Rankings
Rankings
79,486
World Rank
274
Country Rank
33
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Water Treatment Technology | Water Security Management | Waste Utilization | Water-Food Nexu
Water Treatment Technology | Water Security Management | Waste Utilization | Water-Food Nexu
H-Index Metrics
-
H-Index53
-
i10 Index86
-
Citation Counts21,145
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* Total H Index Rankings
Rankings
80,725
World Rank
288
Country Rank
35
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Supercritical Fluid Technology | wastewater and water treatment | food technology | polymer | clinical solid waste
Supercritical Fluid Technology | wastewater and water treatment | food technology | polymer | clinical solid waste
H-Index Metrics
-
H-Index53
-
i10 Index151
-
Citation Counts15,060
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* Total H Index Rankings
Rankings
87,679
World Rank
322
Country Rank
30
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Solid waste | Compostin
Environmental Engineering | Solid waste | Compostin
H-Index Metrics
-
H-Index51
-
i10 Index138
-
Citation Counts10,144
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* Total H Index Rankings
Rankings
101,851
World Rank
405
Country Rank
15
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Wastewater Treatment | Environmental Engineerin
Wastewater Treatment | Environmental Engineerin
H-Index Metrics
-
H-Index48
-
i10 Index127
-
Citation Counts6,732
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* Total H Index Rankings
Rankings
107,641
World Rank
449
Country Rank
47
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Environmental Biotechnology and Applied Engineering in Tropical Conditio
Environmental Biotechnology and Applied Engineering in Tropical Conditio
H-Index Metrics
-
H-Index47
-
i10 Index130
-
Citation Counts9,892
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* Total H Index Rankings
Rankings
108,694
World Rank
465
Country Rank
61
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Environmental | Chemical | Pollution | Life cycle analysi
Environmental | Chemical | Pollution | Life cycle analysi
H-Index Metrics
-
H-Index47
-
i10 Index102
-
Citation Counts8,349
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* Total H Index Rankings
Rankings
116,005
World Rank
509
Country Rank
57
University
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
Water treatment process | bio-system engineering | ecological engineerin
Water treatment process | bio-system engineering | ecological engineerin
H-Index Metrics
-
H-Index46
-
i10 Index114
-
Citation Counts8,268
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* Total H Index Rankings
Rankings
124,503
World Rank
542
Country Rank
5
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Hydrology | Water Resources Engineering | Climate Change Studie
Hydrology | Water Resources Engineering | Climate Change Studie
H-Index Metrics
-
H-Index44
-
i10 Index108
-
Citation Counts6,060
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* Total H Index Rankings
Rankings
124,809
World Rank
543
Country Rank
63
University
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Wastewater Treatment | Surface Coating | Biomass to fue
Wastewater Treatment | Surface Coating | Biomass to fue
H-Index Metrics
-
H-Index44
-
i10 Index125
-
Citation Counts8,737
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* Total H Index Rankings
Rankings
125,832
World Rank
557
Country Rank
67
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Metabolite Profiling | Food Processing | Herbal and Honey Researc
Metabolite Profiling | Food Processing | Herbal and Honey Researc
H-Index Metrics
-
H-Index44
-
i10 Index107
-
Citation Counts7,752
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* Total H Index Rankings
Rankings
140,171
World Rank
636
Country Rank
74
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Water Resources Management | Flood Management | Environmental Management | Climatology | Ecotouris
Water Resources Management | Flood Management | Environmental Management | Climatology | Ecotouris
H-Index Metrics
-
H-Index42
-
i10 Index115
-
Citation Counts6,145
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* Total H Index Rankings
Rankings
140,333
World Rank
639
Country Rank
7
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment | Air pollutant remediation | Biochar | Microplastic
Wastewater treatment | Air pollutant remediation | Biochar | Microplastic
H-Index Metrics
-
H-Index42
-
i10 Index81
-
Citation Counts7,567
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* Total H Index Rankings
Rankings
155,235
World Rank
716
Country Rank
83
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment | Supercritical Carbon Dioxide | Solid waste Management | Renewable energ
Wastewater treatment | Supercritical Carbon Dioxide | Solid waste Management | Renewable energ
H-Index Metrics
-
H-Index40
-
i10 Index111
-
Citation Counts6,127
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