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University, Subject, Country, Region, World
Vaal University of Technology 134 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 04, 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 (0) 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
108,763
World Rank
430
Country Rank
1
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
227,567
World Rank
1,060
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Food Science and Engineering
Tourism | Climate Change | Sustainable Development | tourism aviation | COVID-1
Tourism | Climate Change | Sustainable Development | tourism aviation | COVID-1
H-Index Metrics
-
H-Index33
-
i10 Index75
-
Citation Counts4,675
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* Total H Index Rankings
Rankings
271,824
World Rank
1,329
Country Rank
3
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
296,591
World Rank
1,467
Country Rank
4
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
348,023
World Rank
1,743
Country Rank
5
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
369,226
World Rank
1,865
Country Rank
6
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Adsorption | nanofibers | Nanotechnolog
Adsorption | nanofibers | Nanotechnolog
H-Index Metrics
-
H-Index25
-
i10 Index39
-
Citation Counts1,579
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* Total H Index Rankings
Rankings
370,886
World Rank
1,875
Country Rank
7
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
442,515
World Rank
2,355
Country Rank
8
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
473,013
World Rank
2,521
Country Rank
9
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
476,916
World Rank
2,548
Country Rank
10
University
Ranking Based On Selection:
10
Natural Sciences / Chemical Sciences
Chemistry | Analytical chemistry | material chemistry | environmental chemistr
Chemistry | Analytical chemistry | material chemistry | environmental chemistr
H-Index Metrics
-
H-Index21
-
i10 Index30
-
Citation Counts1,356
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* Total H Index Rankings
Rankings
614,450
World Rank
3,370
Country Rank
11
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Water Treatment | Phytochemistry | Membrane Technolog
Water Treatment | Phytochemistry | Membrane Technolog
H-Index Metrics
-
H-Index17
-
i10 Index22
-
Citation Counts1,309
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* Total H Index Rankings
Rankings
660,743
World Rank
3,665
Country Rank
12
University
Ranking Based On Selection:
12
Business & Management / Human Resource Management
Supply Chain Management | Logistics | Human Resources Management | Operations Managemen
Supply Chain Management | Logistics | Human Resources Management | Operations Managemen
H-Index Metrics
-
H-Index16
-
i10 Index30
-
Citation Counts1,215
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* Total H Index Rankings
Rankings
693,607
World Rank
3,867
Country Rank
13
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
700,723
World Rank
3,910
Country Rank
14
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
743,079
World Rank
4,201
Country Rank
15
University
Ranking Based On Selection:
15
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Adsorption of metals and pharmaceutical pollutant
Adsorption of metals and pharmaceutical pollutant
H-Index Metrics
-
H-Index14
-
i10 Index18
-
Citation Counts742
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* Total H Index Rankings
Rankings
747,170
World Rank
4,224
Country Rank
16
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Wastewater Treatment | Anaerobic Digestion | Sludge Management | Non-sewered Sanitation | Water Reus
Wastewater Treatment | Anaerobic Digestion | Sludge Management | Non-sewered Sanitation | Water Reus
H-Index Metrics
-
H-Index14
-
i10 Index16
-
Citation Counts484
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* Total H Index Rankings
Rankings
747,934
World Rank
4,227
Country Rank
17
University
Ranking Based On Selection:
17
Engineering & Technology / Metallurgical & Materials Engineering
Material science | adsorption | biomaterials | nanomaterial
Material science | adsorption | biomaterials | nanomaterial
H-Index Metrics
-
H-Index14
-
i10 Index15
-
Citation Counts1,063
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* Total H Index Rankings
Rankings
768,833
World Rank
4,361
Country Rank
18
University
Ranking Based On Selection:
18
Education / Mathematics and Science Education
Computational Fluid Dynamics | Heat and Mass Transfer | Mathematical Biology | Mathematics Educatio
Computational Fluid Dynamics | Heat and Mass Transfer | Mathematical Biology | Mathematics Educatio
H-Index Metrics
-
H-Index14
-
i10 Index23
-
Citation Counts836
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Premium Data
* Total H Index Rankings
Rankings
809,734
World Rank
4,675
Country Rank
19
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
817,496
World Rank
4,731
Country Rank
20
University
Ranking Based On Selection:
20
Engineering & Technology / Nanoscience and Nanotechnology
Organic Chemistry | Natural Product | Nanoscienc
Organic Chemistry | Natural Product | Nanoscienc
H-Index Metrics
-
H-Index13
-
i10 Index13
-
Citation Counts1,006
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* Total H Index Rankings
Rankings
852,706
World Rank
4,970
Country Rank
21
University
Ranking Based On Selection:
21
Natural Sciences / Chemical Sciences
Catalysis | microwave technology | electrochemistry | adsorption | Carbo
Catalysis | microwave technology | electrochemistry | adsorption | Carbo
H-Index Metrics
-
H-Index12
-
i10 Index19
-
Citation Counts500
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Premium Data
* Total H Index Rankings
Rankings
873,730
World Rank
5,125
Country Rank
22
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
937,138
World Rank
5,594
Country Rank
23
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Adsorption | wastewater treatment | pyrolysis | environmental remediatio
Adsorption | wastewater treatment | pyrolysis | environmental remediatio
H-Index Metrics
-
H-Index11
-
i10 Index11
-
Citation Counts921
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* Total H Index Rankings
Rankings
943,145
World Rank
5,639
Country Rank
24
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Microbiology | Water quality | Molecular biology | Environmental Science
Microbiology | Water quality | Molecular biology | Environmental Science
H-Index Metrics
-
H-Index11
-
i10 Index11
-
Citation Counts320
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Premium Data
* Total H Index Rankings
Rankings
943,424
World Rank
5,641
Country Rank
25
University
Ranking Based On Selection:
25
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