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H-Index
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ASEAN 1,492 Scientists H-Index Engineering & Technology / Environmental Science & Engineering Rankings - 2026

Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.

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Total 1.492 scientist , 0 country , 0 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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8,165
World Rank
Malaysia
13
Country Rank
Universiti Malaysia Terengganu Logo
1
University
Ranking Based On Selection:
1
Su Shiung Lam 蓝世雄
Universiti Malaysia Terengganu Kuala Terengganu, Malaysia
Engineering & Technology / Environmental Science & Engineering
Pyrolysis | Microwave Pyrolysis | Waste and Biomass Recovery | Water & Wastewater Treatment | Biocha

H-Index Metrics

  • Total
    107
  • Last 5 Years
    101
  • Last 5 Years / Total
    0.944
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* Total H Index Rankings

Rankings

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8,842
World Rank
Singapore
67
Country Rank
Nanyang Technological University Logo
26
University
Ranking Based On Selection:
2
Yu Liu
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
Environmental microbiology and biotechnology | MBR | Biological wastewater treatmen

H-Index Metrics

  • Total
    105
  • Last 5 Years
    76
  • Last 5 Years / Total
    0.724
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* Total H Index Rankings

Rankings

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10,571
World Rank
Vietnam
3
Country Rank
Nguyen Tat Thanh University Logo
1
University
Ranking Based On Selection:
3
Dai Viet N Vo
Nguyen Tat Thanh University Ho Chi Minh City, Vietnam
Engineering & Technology / Environmental Science & Engineering
Hydrogen | Catalysis | Reforming | Photocatalysis | Fischer-Tropsch synthesi

H-Index Metrics

  • Total
    100
  • Last 5 Years
    99
  • Last 5 Years / Total
    0.990
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* Total H Index Rankings

Rankings

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10,680
World Rank
Singapore
80
Country Rank
Nanyang Technological University Logo
33
University
Ranking Based On Selection:
4
Shane A Snyder
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | water | reuse | solid waste | recyclin

H-Index Metrics

  • Total
    100
  • Last 5 Years
    71
  • Last 5 Years / Total
    0.710
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* Total H Index Rankings

Rankings

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12,279
World Rank
Malaysia
17
Country Rank
Universiti Teknologi Malaysia Logo
2
University
Ranking Based On Selection:
5
Shamsuddin Shahid
Universiti Teknologi Malaysia Johor, Malaysia
Engineering & Technology / Environmental Science & Engineering
Droughts | Climate Change | Statistical hydrology | Groundwater hydrology | Hydrologica

H-Index Metrics

  • Total
    96
  • Last 5 Years
    88
  • Last 5 Years / Total
    0.917
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* Total H Index Rankings

Rankings

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14,956
World Rank
Malaysia
20
Country Rank
Universiti Sains Malaysia Logo
3
University
Ranking Based On Selection:
6
Hamidi Abdul Aziz
Universiti Sains Malaysia Penang, Malaysia
Engineering & Technology / Environmental Science & Engineering
Environmental engineerin

H-Index Metrics

  • Total
    91
  • Last 5 Years
    67
  • Last 5 Years / Total
    0.736
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* Total H Index Rankings

Rankings

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18,347
World Rank
Singapore
142
Country Rank
Nanyang Technological University Logo
48
University
Ranking Based On Selection:
7
Teik Thye Lim
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Environmental Science | Chemical Engineering | Nanomaterial

H-Index Metrics

  • Total
    86
  • Last 5 Years
    61
  • Last 5 Years / Total
    0.709
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* Total H Index Rankings

Rankings

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23,363
World Rank
Singapore
181
Country Rank
National University of Singapore Logo
95
University
Ranking Based On Selection:
8
Wilson Tam
National University of Singapore Queenstown, Singapore
Engineering & Technology / Environmental Science & Engineering
Cardiovascular diseases | Air pollution | Meta-analysi

H-Index Metrics

  • Total
    80
  • Last 5 Years
    66
  • Last 5 Years / Total
    0.825
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* Total H Index Rankings

Rankings

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24,306
World Rank
Malaysia
51
Country Rank
University of Malaya Logo
10
University
Ranking Based On Selection:
9
Ahmed El Shafie
University of Malaya Kuala Lumpur, Malaysia
Engineering & Technology / Environmental Science & Engineering
Water Resources | Optimization Model | Dam Operation | Artificial Neural networ

H-Index Metrics

  • Total
    79
  • Last 5 Years
    71
  • Last 5 Years / Total
    0.899
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* Total H Index Rankings

Rankings

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26,286
World Rank
Malaysia
60
Country Rank
Xiamen University Malaysia Campus Logo
3
University
Ranking Based On Selection:
10
Kit Wayne Chew
Xiamen University Malaysia Campus Lahore, Malaysia
Engineering & Technology / Environmental Science & Engineering
Bioprocessing | Biorefinery | Food processing | Microalgae technology | Sustainabilit

H-Index Metrics

  • Total
    77
  • Last 5 Years
    77
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

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28,616
World Rank
Malaysia
66
Country Rank
Universiti Teknologi MARA Logo
1
University
Ranking Based On Selection:
11
Ali H Jawad
Universiti Teknologi MARA Shah Alam, Malaysia
Engineering & Technology / Environmental Science & Engineering
Biopolymers | Composite Biomaterials | Activated Carbon | Adsorption | Response Surface Methodolog

H-Index Metrics

  • Total
    75
  • Last 5 Years
    68
  • Last 5 Years / Total
    0.907
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* Total H Index Rankings

Rankings

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32,633
World Rank
Malaysia
74
Country Rank
Universiti Teknologi Petronas Logo
3
University
Ranking Based On Selection:
12
Jun Wei Lim
Universiti Teknologi Petronas Tronoh, Malaysia
Engineering & Technology / Environmental Science & Engineering
Environmental Science and Engineerin

H-Index Metrics

  • Total
    72
  • Last 5 Years
    70
  • Last 5 Years / Total
    0.972
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* Total H Index Rankings

Rankings

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33,411
World Rank
Singapore
247
Country Rank
Nanyang Technological University Logo
79
University
Ranking Based On Selection:
13
Stefan Wuertz
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
wastewater treatment | recreational water quality | public health | environmental microbiology | biofilm

H-Index Metrics

  • Total
    72
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.625
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* Total H Index Rankings

Rankings

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36,388
World Rank
Singapore
271
Country Rank
Nanyang Technological University Logo
90
University
Ranking Based On Selection:
14
Wunjern Ng
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
environmental engineerin

H-Index Metrics

  • Total
    70
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.643
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* Total H Index Rankings

Rankings

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36,757
World Rank
Singapore
273
Country Rank
Nanyang Technological University Logo
91
University
Ranking Based On Selection:
15
Darren Delai Sun
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Membrane Separation | Environmental Nanotechnology | Water and Desalination | Environmental Material

H-Index Metrics

  • Total
    70
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.543
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* Total H Index Rankings

Rankings

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44,607
World Rank
Malaysia
116
Country Rank
Madhyanchal Professional University Logo
1
University
Ranking Based On Selection:
16
Krishna Kumar Yadav
Madhyanchal Professional University Pradesh, Malaysia
Engineering & Technology / Environmental Science & Engineering
Environmental Science/Chemistr

H-Index Metrics

  • Total
    65
  • Last 5 Years
    63
  • Last 5 Years / Total
    0.969
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* Total H Index Rankings

Rankings

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44,694
World Rank
Malaysia
117
Country Rank
Universiti Kebangsaan Malaysia Logo
9
University
Ranking Based On Selection:
17
Siti Rozaimah Sheikh Abdullah
Universiti Kebangsaan Malaysia Bangi, Malaysia
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Waste and wastewater treatment | Phytoremediation | Waste Audit and Management | Waste Recovery and Mini

H-Index Metrics

  • Total
    65
  • Last 5 Years
    58
  • Last 5 Years / Total
    0.892
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* Total H Index Rankings

Rankings

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46,010
World Rank
Singapore
347
Country Rank
National University of Singapore Logo
186
University
Ranking Based On Selection:
18
Say Leong Ong
National University of Singapore Queenstown, Singapore
Engineering & Technology / Environmental Science & Engineering
Water and Wastewater Treatment | Water Reuse | Membrane Technology | Green Infrastructur

H-Index Metrics

  • Total
    65
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.585
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* Total H Index Rankings

Rankings

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49,009
World Rank
Singapore
366
Country Rank
Nanyang Technological University Logo
122
University
Ranking Based On Selection:
19
Yan Zhou
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
Water and Wastewater Treatment | Waste Treatmen

H-Index Metrics

  • Total
    63
  • Last 5 Years
    59
  • Last 5 Years / Total
    0.937
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* Total H Index Rankings

Rankings

flag
50,328
World Rank
Thailand
51
Country Rank
Asian Institute of Technology Thailand Logo
1
University
Ranking Based On Selection:
20
Visvanathan C
Asian Institute of Technology Thailand Klong Luang, Thailand
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | membrane technology | solid waste managmen

H-Index Metrics

  • Total
    63
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.603
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* Total H Index Rankings

Rankings

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57,383
World Rank
Malaysia
171
Country Rank
Universiti Putra Malaysia Logo
24
University
Ranking Based On Selection:
21
Arbakariya B Ariff
Universiti Putra Malaysia Seri Kembangan, Malaysia
Engineering & Technology / Environmental Science & Engineering
Bioprocessing and Biomanufacturin

H-Index Metrics

  • Total
    60
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.683
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* Total H Index Rankings

Rankings

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64,927
World Rank
Malaysia
201
Country Rank
Universiti Teknologi Malaysia Logo
18
University
Ranking Based On Selection:
22
Shreeshivadasan Chelliapan
Universiti Teknologi Malaysia Johor, Malaysia
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Waste to Energy | Bioenergy | Emission Control | Methane Ga

H-Index Metrics

  • Total
    57
  • Last 5 Years
    54
  • Last 5 Years / Total
    0.947
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* Total H Index Rankings

Rankings

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69,020
World Rank
Thailand
75
Country Rank
Chiang Mai University Logo
7
University
Ranking Based On Selection:
23
Louis Lebel
Chiang Mai University Chiang Mai, Thailand
Engineering & Technology / Environmental Science & Engineering
Environmental governance | climate change adaptation | sustainability science | knowledge systems | narrative

H-Index Metrics

  • Total
    56
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

flag
70,359
World Rank
Singapore
511
Country Rank
National University of Singapore Logo
271
University
Ranking Based On Selection:
24
Christine A Shoemaker
National University of Singapore Queenstown, Singapore
Engineering & Technology / Environmental Science & Engineering
Environment | Optimization | Applied Mat

H-Index Metrics

  • Total
    56
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.589
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* Total H Index Rankings

Rankings

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72,033
World Rank
Malaysia
236
Country Rank
Curtin University Sarawak Logo
1
University
Ranking Based On Selection:
25
Tony Hadibarata
Curtin University Sarawak Miri, Malaysia
Engineering & Technology / Environmental Science & Engineering
Microbial degradation | Fungal metabolism | Persistent organic pollutant | Pollutant transformatio

H-Index Metrics

  • Total
    55
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.818
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