Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Environmental
smooth muscle and clinical physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
* Total i10 IndexRankings
Ranking Based On Selection :2
Gas Processing
Flow Assurance
Bio-process
Environmental Engineering
Unit Operations.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection :3
Environmental Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :4
Environmental Management
Vegetation
air quality dynamics
Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :5
Microbiology
Environmental Science
Ecology
Data Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Solomon Nnah Ijioma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
Environmental
smooth muscle and clinical physiology
Goziya William Dzarma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Gas Processing
Flow Assurance
Bio-process
Environmental Engineering
Unit Operations.
Charles Ekene Igwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Environmental Management
Uzonu Ikenna Ugonna
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Environmental Management
Vegetation
air quality dynamics
Health
Chidiebere Anab Atulomah
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Microbiology
Environmental Science
Ecology
Data Science