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. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
279,622
Country Rank
129
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/1958.jpg)
![Oman](/flags/om.png)
![Paul Okonkwo](https://cdn.adscientificindex.com/pictures/78/433964.jpg)
Manufacturing
Renewable Energy
Failure Analysis
Corrosion
Erosion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
48
0.980
* Total i10 Index Rankings
World Rank
517,522
Country Rank
308
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/1958.jpg)
![Oman](/flags/om.png)
![El Manaa Barhoumi](https://cdn.adscientificindex.com/pictures/c5/4525314.jpg)
Electrical machines
Renewable energy
Power Electronics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
22
0.846
* Total i10 Index Rankings
World Rank
536,191
Country Rank
325
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/1958.jpg)
![Oman](/flags/om.png)
![Manaf Zghaibeh](/user/assets/images/profile/no-profile-photo.png)
Renewable Energy
Networking
P2P
IoT
Blockchain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
19
0.760
* Total i10 Index Rankings
World Rank
893,173
Country Rank
579
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/1958.jpg)
![Oman](/flags/om.png)
![Aref Wazwaz, A Wazwaz](https://cdn.adscientificindex.com/pictures/68/4526068.jpg)
Solar Energy
Renewable Energy
Environment
Adsorption
Corrosion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
279,622
![Oman](/flags/om.png)
129
![](https://cdn.adscientificindex.com/logos/1958.jpg)
6
Paul Okonkwo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
48
0.980
![](https://cdn.adscientificindex.com/logos/1958.jpg)
Manufacturing
Renewable Energy
Failure Analysis
Corrosion
Erosion
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
517,522
![Oman](/flags/om.png)
308
![](https://cdn.adscientificindex.com/logos/1958.jpg)
17
El Manaa Barhoumi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
22
0.846
![](https://cdn.adscientificindex.com/logos/1958.jpg)
Electrical machines
Renewable energy
Power Electronics
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
536,191
![Oman](/flags/om.png)
325
![](https://cdn.adscientificindex.com/logos/1958.jpg)
18
Manaf Zghaibeh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
19
0.760
![](https://cdn.adscientificindex.com/logos/1958.jpg)
Renewable Energy
Networking
P2P
IoT
Blockchain
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
893,173
![Oman](/flags/om.png)
579
![](https://cdn.adscientificindex.com/logos/1958.jpg)
38
Aref Wazwaz, A Wazwaz
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
![](https://cdn.adscientificindex.com/logos/1958.jpg)
Solar Energy
Renewable Energy
Environment
Adsorption
Corrosion