Total 2,384,773 scientists, country 221, and institutions 24,456 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
Metal Ecotoxicology and Biogeochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
490
358
0.731
* Total i10 IndexRankings
Ranking Based On Selection: 2
Water
Membrane
and Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
115
110
0.957
* Total i10 IndexRankings
Ranking Based On Selection: 3
Indoor Air Quality
Aerosols
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
77
0.786
* Total i10 IndexRankings
Ranking Based On Selection: 4
Environmental Engineering
Chemical Engineering
Biomass Conversion
Waste Valorization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
54
0.982
* Total i10 IndexRankings
Ranking Based On Selection: 5
Environmental Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
52
0.981
* Total i10 IndexRankings
Ranking Based On Selection: 6
non-uniform air distribution
(adaptive) thermal comfort
indoor air quality
low/zero energy buildings
ejector cooling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
50
0.962
* Total i10 IndexRankings
Ranking Based On Selection: 7
Water desalination and treatment
Membrane technology
Nanocomposite membranes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 8
environmental and social governance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
* Total i10 IndexRankings
Ranking Based On Selection: 9
Indoor air quality
IoT sensor
Built Environment
Energy
HVAC
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Total i10 IndexRankings
Ranking Based On Selection: 10
Enviromental microbiology
Virome
Built environments
Biodegradation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Wen Xiong Wang
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
490
358
0.731
Metal Ecotoxicology and Biogeochemistry
Alicia Kyoungjin An
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
115
110
0.957
Water
Membrane
and Energy
Lai Alvin
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
77
0.786
Indoor Air Quality
Aerosols
Season Si Chen
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
54
0.982
Environmental Engineering
Chemical Engineering
Biomass Conversion
Waste Valorization
Yuefei Ruan
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
52
0.981
Environmental Sciences
Zhang Sheng
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
50
0.962
non-uniform air distribution
(adaptive) thermal comfort
indoor air quality
low/zero energy buildings
ejector cooling
Muhammad Usman Farid
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
Water desalination and treatment
Membrane technology
Nanocomposite membranes
Wanxin Li 李万新
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
environmental and social governance
Huihui Zhang
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Indoor air quality
IoT sensor
Built Environment
Energy
HVAC
Huaxin Lei
City University of Hong Kong
Kowloon, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Enviromental microbiology
Virome
Built environments
Biodegradation