COMESA

Scientist and University Rankings 2024

COMESA Scientists Engineering & Technology / Nanoscience and Nanotechnology Rankings 2024

map
×
Total 195 scientist, 8 country, 74 institution
MA Deyab
MA Deyab
Egyptian Petroleum Research Institute
Egyptian Petroleum Research Institute
Engineering & Technology / Nanoscience and Nanotechnology
Physical Chemistry
Electrochemistry
Corrosion
Nanotechnology
Energy
H-Index Rankings
University / Institution:
# 1
Country:
# 86
Region:
# 394
World:
# 58,221
H-Index
Total:
55
Last 6 Year:
41
Last 6 Year/Total:
0.745
i10 Index
Total:
104
Last 6 Year:
102
Last 6 Year/Total:
0.981
Citation
Total:
6,082
Last 6 Year:
4,299
Last 6 Year/Total:
0.707
Mohamed T. El-Saadony
Mohamed T. El-Saadony
Zagazig University
Zagazig University
Engineering & Technology / Nanoscience and Nanotechnology
Bionanotechnology
H-Index Rankings
University / Institution:
# 6
Country:
# 102
Region:
# 460
World:
# 66,884
H-Index
Total:
52
Last 6 Year:
51
Last 6 Year/Total:
0.981
i10 Index
Total:
121
Last 6 Year:
121
Last 6 Year/Total:
1.000
Citation
Total:
7,519
Last 6 Year:
7,482
Last 6 Year/Total:
0.995
Lassaad El Mir
Lassaad El Mir
Université de Gabès
Université de Gabès
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology
H-Index Rankings
University / Institution:
# 1
Country:
# 10
Region:
# 505
World:
# 71,455
H-Index
Total:
51
Last 6 Year:
37
Last 6 Year/Total:
0.725
i10 Index
Total:
159
Last 6 Year:
122
Last 6 Year/Total:
0.767
Citation
Total:
7,345
Last 6 Year:
4,498
Last 6 Year/Total:
0.612
Gomaa AM Ali
Gomaa AM Ali
Al Azhar University
Al Azhar University
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials
Energy
Supercapacitors
Environment
Recycling
H-Index Rankings
University / Institution:
# 2
Country:
# 134
Region:
# 627
World:
# 82,288
H-Index
Total:
48
Last 6 Year:
48
Last 6 Year/Total:
1.000
i10 Index
Total:
107
Last 6 Year:
107
Last 6 Year/Total:
1.000
Citation
Total:
6,106
Last 6 Year:
5,650
Last 6 Year/Total:
0.925
Farid Harraz
Farid Harraz
Central Metallurgical Research and Development Institute
Central Metallurgical Research and Development Institute
Engineering & Technology / Nanoscience and Nanotechnology
Energy Storage Materials
Photocatalysis
Sensors
Nanotechnology
Materials Science
H-Index Rankings
University / Institution:
# 2
Country:
# 139
Region:
# 634
World:
# 82,815
H-Index
Total:
48
Last 6 Year:
40
Last 6 Year/Total:
0.833
i10 Index
Total:
146
Last 6 Year:
129
Last 6 Year/Total:
0.884
Citation
Total:
7,455
Last 6 Year:
5,126
Last 6 Year/Total:
0.688
Habib Elhouichet
Habib Elhouichet
Université de Tunis el Manar
Université de Tunis el Manar
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology and Photonic Glasses
H-Index Rankings
University / Institution:
# 4
Country:
# 19
Region:
# 972
World:
# 113,858
H-Index
Total:
42
Last 6 Year:
35
Last 6 Year/Total:
0.833
i10 Index
Total:
115
Last 6 Year:
88
Last 6 Year/Total:
0.765
Citation
Total:
5,448
Last 6 Year:
3,258
Last 6 Year/Total:
0.598
IA Ibrahim
IA Ibrahim
Central Metallurgical Research and Development Institute
Central Metallurgical Research and Development Institute
Engineering & Technology / Nanoscience and Nanotechnology
Minerals Processing
S/L separation
waste recycling
photocatalytic degradation of organic matrials
nanomaterials synthesis &
H-Index Rankings
University / Institution:
# 4
Country:
# 294
Region:
# 1,248
World:
# 135,763
H-Index
Total:
39
Last 6 Year:
29
Last 6 Year/Total:
0.744
i10 Index
Total:
108
Last 6 Year:
82
Last 6 Year/Total:
0.759
Citation
Total:
8,021
Last 6 Year:
3,665
Last 6 Year/Total:
0.457
Ahmed Saeed Hassanien
Ahmed Saeed Hassanien
Benha University
Benha University
Engineering & Technology / Nanoscience and Nanotechnology
Nanostructural Materials
Thin Semiconductor Films
Materials Physics
H-Index Rankings
University / Institution:
# 10
Country:
# 331
Region:
# 1,419
World:
# 149,267
H-Index
Total:
37
Last 6 Year:
36
Last 6 Year/Total:
0.973
i10 Index
Total:
41
Last 6 Year:
41
Last 6 Year/Total:
1.000
Citation
Total:
4,216
Last 6 Year:
3,820
Last 6 Year/Total:
0.906
Ahmed Samir
Ahmed Samir i
Kafr El Sheikh University
Kafr El Sheikh University
Engineering & Technology / Nanoscience and Nanotechnology
Nanoscience
nanotechnology and Space Science
H-Index Rankings
University / Institution:
# 15
Country:
# 390
Region:
# 1,694
World:
# 168,538
H-Index
Total:
35
Last 6 Year:
30
Last 6 Year/Total:
0.857
i10 Index
Total:
97
Last 6 Year:
84
Last 6 Year/Total:
0.866
Citation
Total:
4,587
Last 6 Year:
3,613
Last 6 Year/Total:
0.788
Nasser Y. Mostafa
Nasser Y. Mostafa
Suez Canal University
Suez Canal University
Engineering & Technology / Nanoscience and Nanotechnology
Biomaterials
Nanomaterials
electrocatalysis
H-Index Rankings
University / Institution:
# 9
Country:
# 433
Region:
# 1,862
World:
# 180,291
H-Index
Total:
34
Last 6 Year:
27
Last 6 Year/Total:
0.794
i10 Index
Total:
69
Last 6 Year:
58
Last 6 Year/Total:
0.841
Citation
Total:
3,843
Last 6 Year:
2,087
Last 6 Year/Total:
0.543
Adscientificindex

Click for INSTITUTIONAL REGISTRATION and PREMIUM MEMBERSHIP advantages

Abdallah Abdelhay
Abdallah Abdelhay
South Valley University
South Valley University
Engineering & Technology / Nanoscience and Nanotechnology
ieee
H-Index Rankings
University / Institution:
# 9
Country:
# 435
Region:
# 1,867
World:
# 180,380
H-Index
Total:
34
Last 6 Year:
27
Last 6 Year/Total:
0.794
i10 Index
Total:
64
Last 6 Year:
61
Last 6 Year/Total:
0.953
Citation
Total:
3,285
Last 6 Year:
2,379
Last 6 Year/Total:
0.724
Manal Fawzy
Manal Fawzy
Alexandria University
Alexandria University
Engineering & Technology / Nanoscience and Nanotechnology
Conservation of Natural Resources
Phytoremediation
Phytosynthesis of Nanomaterials
H-Index Rankings
University / Institution:
# 20
Country:
# 461
Region:
# 1,987
World:
# 188,114
H-Index
Total:
33
Last 6 Year:
32
Last 6 Year/Total:
0.970
i10 Index
Total:
52
Last 6 Year:
47
Last 6 Year/Total:
0.904
Citation
Total:
2,920
Last 6 Year:
2,279
Last 6 Year/Total:
0.780
Abdelwahab Rajeh
Abdelwahab Rajeh
Mansoura University
Mansoura University
Engineering & Technology / Nanoscience and Nanotechnology
Nanocomposites
polymer nanocomposites
Energy storage
Nanotechnology
H-Index Rankings
University / Institution:
# 51
Country:
# 507
Region:
# 2,177
World:
# 199,445
H-Index
Total:
32
Last 6 Year:
32
Last 6 Year/Total:
1.000
i10 Index
Total:
47
Last 6 Year:
47
Last 6 Year/Total:
1.000
Citation
Total:
2,763
Last 6 Year:
2,706
Last 6 Year/Total:
0.979
M Abd Elkodous
M Abd Elkodous
Nile University
Nile University
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials - water splitting - photocatalysis - supercapacitance
H-Index Rankings
University / Institution:
# 3
Country:
# 511
Region:
# 2,186
World:
# 199,754
H-Index
Total:
32
Last 6 Year:
31
Last 6 Year/Total:
0.969
i10 Index
Total:
47
Last 6 Year:
47
Last 6 Year/Total:
1.000
Citation
Total:
2,538
Last 6 Year:
2,524
Last 6 Year/Total:
0.994
HC Ananda Murthy
HC Ananda Murthy
Adama Science & Technology University
Adama Science & Technology University
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials
Metal and Metal oxides NPs
Multi-functional applications
Photocatalysis
Sensor
H-Index Rankings
University / Institution:
# 1
Country:
# 60
Region:
# 2,648
World:
# 224,963
H-Index
Total:
30
Last 6 Year:
30
Last 6 Year/Total:
1.000
i10 Index
Total:
83
Last 6 Year:
82
Last 6 Year/Total:
0.988
Citation
Total:
3,126
Last 6 Year:
3,075
Last 6 Year/Total:
0.984
Abd El-Hady Kashyout
Abd El-Hady Kashyout
City of Scientific Research and Technological Applications
City of Scientific Research and Technological Applications
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology & nanoscience
supercapacitors
nanoelectronic materials
Solar Cells
Gas Sensors
H-Index Rankings
University / Institution:
# 4
Country:
# 732
Region:
# 3,093
World:
# 246,799
H-Index
Total:
29
Last 6 Year:
21
Last 6 Year/Total:
0.724
i10 Index
Total:
58
Last 6 Year:
47
Last 6 Year/Total:
0.810
Citation
Total:
2,629
Last 6 Year:
1,651
Last 6 Year/Total:
0.628
Mohamed Abbas Ibrahim
Mohamed Abbas Ibrahim
Al Azhar University
Al Azhar University
Engineering & Technology / Nanoscience and Nanotechnology
Tablet technology
Pelletization technology
Nanotechnology
Biomaterials
H-Index Rankings
University / Institution:
# 28
Country:
# 788
Region:
# 3,294
World:
# 257,447
H-Index
Total:
28
Last 6 Year:
24
Last 6 Year/Total:
0.857
i10 Index
Total:
67
Last 6 Year:
55
Last 6 Year/Total:
0.821
Citation
Total:
2,782
Last 6 Year:
1,864
Last 6 Year/Total:
0.670
Alaa El Din Mahmoud
Alaa El Din Mahmoud
Alexandria University
Alexandria University
Engineering & Technology / Nanoscience and Nanotechnology
Water Technology
Nanotechnology
Water treatment
Adsorption
Green synthesis nanoparticles
H-Index Rankings
University / Institution:
# 39
Country:
# 841
Region:
# 3,527
World:
# 270,651
H-Index
Total:
27
Last 6 Year:
27
Last 6 Year/Total:
1.000
i10 Index
Total:
47
Last 6 Year:
47
Last 6 Year/Total:
1.000
Citation
Total:
2,240
Last 6 Year:
2,136
Last 6 Year/Total:
0.954
Abdesslem Ben Haj Amara
Abdesslem Ben Haj Amara
Université de Sfax
Université de Sfax
Engineering & Technology / Nanoscience and Nanotechnology
environnement
clay minerals
nanomaterials
photocatalysis
H-Index Rankings
University / Institution:
# 39
Country:
# 126
Region:
# 4,041
World:
# 296,107
H-Index
Total:
26
Last 6 Year:
20
Last 6 Year/Total:
0.769
i10 Index
Total:
55
Last 6 Year:
37
Last 6 Year/Total:
0.673
Citation
Total:
1,908
Last 6 Year:
1,151
Last 6 Year/Total:
0.603
Hanaa M Ahmed
Hanaa M Ahmed
Benha University
Benha University
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology
H-Index Rankings
University / Institution:
# 43
Country:
# 1,224
Region:
# 4,919
World:
# 336,538
H-Index
Total:
24
Last 6 Year:
19
Last 6 Year/Total:
0.792
i10 Index
Total:
48
Last 6 Year:
38
Last 6 Year/Total:
0.792
Citation
Total:
1,719
Last 6 Year:
1,168
Last 6 Year/Total:
0.679
Hesham Ma Soliman
Hesham Ma Soliman
City of Scientific Research and Technological Applications
City of Scientific Research and Technological Applications
Engineering & Technology / Nanoscience and Nanotechnology
Water Treatments
Energy and Fuel Cells
Chemistry
Electrochemistry
Nanotechnology
H-Index Rankings
University / Institution:
# 10
Country:
# 1,226
Region:
# 4,932
World:
# 336,906
H-Index
Total:
24
Last 6 Year:
19
Last 6 Year/Total:
0.792
i10 Index
Total:
43
Last 6 Year:
35
Last 6 Year/Total:
0.814
Citation
Total:
1,715
Last 6 Year:
1,148
Last 6 Year/Total:
0.669
Tamer Sakr
Tamer Sakr
Egyptian Atomic Energy Authority
Egyptian Atomic Energy Authority
Engineering & Technology / Nanoscience and Nanotechnology
Radiopharmaceutical
Medicinal Chemistry
Molecular Modeling
Nanotechnology
Nanomedicine
H-Index Rankings
University / Institution:
# 8
Country:
# 1,352
Region:
# 5,438
World:
# 360,860
H-Index
Total:
23
Last 6 Year:
18
Last 6 Year/Total:
0.783
i10 Index
Total:
41
Last 6 Year:
36
Last 6 Year/Total:
0.878
Citation
Total:
1,431
Last 6 Year:
1,080
Last 6 Year/Total:
0.755
Roshdi Seoudi
Roshdi Seoudi
National Research Center, Egypt
National Research Center, Egypt
Engineering & Technology / Nanoscience and Nanotechnology
Spectroscopy
Solar Cells
Nanotechnology
H-Index Rankings
University / Institution:
# 63
Country:
# 1,392
Region:
# 5,642
World:
# 368,679
H-Index
Total:
23
Last 6 Year:
15
Last 6 Year/Total:
0.652
i10 Index
Total:
28
Last 6 Year:
24
Last 6 Year/Total:
0.857
Citation
Total:
1,568
Last 6 Year:
776
Last 6 Year/Total:
0.495
Ahmed Ibrahim Abd-Elhamid
Ahmed Ibrahim Abd-Elhamid
City of Scientific Research and Technological Applications
City of Scientific Research and Technological Applications
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials for Various Applications
H-Index Rankings
University / Institution:
# 16
Country:
# 1,610
Region:
# 6,463
World:
# 402,606
H-Index
Total:
21
Last 6 Year:
20
Last 6 Year/Total:
0.952
i10 Index
Total:
33
Last 6 Year:
33
Last 6 Year/Total:
1.000
Citation
Total:
1,297
Last 6 Year:
1,270
Last 6 Year/Total:
0.979
Elsayed Zaki|E.G.Zaki
Elsayed Zaki|E.G.Zaki
Egyptian Petroleum Research Institute
Egyptian Petroleum Research Institute
Engineering & Technology / Nanoscience and Nanotechnology
Ionic liquids
corrosion
hydrogel
Nanoscience
radiation
H-Index Rankings
University / Institution:
# 16
Country:
# 1,670
Region:
# 6,659
World:
# 409,953
H-Index
Total:
21
Last 6 Year:
18
Last 6 Year/Total:
0.857
i10 Index
Total:
27
Last 6 Year:
26
Last 6 Year/Total:
0.963
Citation
Total:
1,177
Last 6 Year:
1,087
Last 6 Year/Total:
0.924
Mohamed Abdrabou Hussein
Mohamed Abdrabou Hussein
Kafr El Sheikh University
Kafr El Sheikh University
Engineering & Technology / Nanoscience and Nanotechnology
Nanostructured Materials
Light Metals
Biomaterials
Mechanical Alloying
High entropy alloy
H-Index Rankings
University / Institution:
# 61
Country:
# 1,864
Region:
# 7,365
World:
# 434,288
H-Index
Total:
20
Last 6 Year:
18
Last 6 Year/Total:
0.900
i10 Index
Total:
34
Last 6 Year:
32
Last 6 Year/Total:
0.941
Citation
Total:
1,607
Last 6 Year:
1,422
Last 6 Year/Total:
0.885
Ekram H El Ads
Ekram H El Ads
Cairo University
Cairo University
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials
Materials chemistry
perovskites nanoparticles
Electrochemical seneors
Fuel cells
H-Index Rankings
University / Institution:
# 195
Country:
# 1,872
Region:
# 7,405
World:
# 436,710
H-Index
Total:
20
Last 6 Year:
18
Last 6 Year/Total:
0.900
i10 Index
Total:
24
Last 6 Year:
23
Last 6 Year/Total:
0.958
Citation
Total:
1,153
Last 6 Year:
777
Last 6 Year/Total:
0.674
Ahmed G El-Deen
Ahmed G El-Deen
Beni Suef University
Beni Suef University
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials for Electrocatalysis
Fuel Cell
Supercapacitors
DSSC
Desalination
H-Index Rankings
University / Institution:
# 77
Country:
# 2,115
Region:
# 8,263
World:
# 467,185
H-Index
Total:
19
Last 6 Year:
17
Last 6 Year/Total:
0.895
i10 Index
Total:
27
Last 6 Year:
24
Last 6 Year/Total:
0.889
Citation
Total:
1,630
Last 6 Year:
1,077
Last 6 Year/Total:
0.661
Saber Ibrahim
Saber Ibrahim
National Research Center, Egypt
National Research Center, Egypt
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials
polymer and packaging materials technology
H-Index Rankings
University / Institution:
# 111
Country:
# 2,141
Region:
# 8,370
World:
# 471,392
H-Index
Total:
19
Last 6 Year:
16
Last 6 Year/Total:
0.842
i10 Index
Total:
28
Last 6 Year:
24
Last 6 Year/Total:
0.857
Citation
Total:
988
Last 6 Year:
834
Last 6 Year/Total:
0.844
Prakash Katakam
Prakash Katakam
Al Zawiya University
Al Zawiya University
Engineering & Technology / Nanoscience and Nanotechnology
Controlled Drug Delivery
3D Printing
Nanotechnology
Biomaterials
Bioanalyticals
H-Index Rankings
University / Institution:
# 2
Country:
# 24
Region:
# 8,640
World:
# 481,238
H-Index
Total:
19
Last 6 Year:
13
Last 6 Year/Total:
0.684
i10 Index
Total:
51
Last 6 Year:
21
Last 6 Year/Total:
0.412
Citation
Total:
1,300
Last 6 Year:
664
Last 6 Year/Total:
0.511
Adscientificindex

A New and Different Feature!!!! University Subject Rankings in 12 subjects:

Ranking and analysis of universities by subject in 12 fields such as health, engineering, natural sciences, education, business, economics, social sciences, etc.
Mohamed Nabil Sabry
Mohamed Nabil Sabry
Mansoura University
Mansoura University
Engineering & Technology / Nanoscience and Nanotechnology
Microfluidics
Electrothermal
Nanotechnology
Energy
H-Index Rankings
University / Institution:
# 222
Country:
# 2,278
Region:
# 8,860
World:
# 489,548
H-Index
Total:
19
Last 6 Year:
10
Last 6 Year/Total:
0.526
i10 Index
Total:
25
Last 6 Year:
11
Last 6 Year/Total:
0.440
Citation
Total:
1,318
Last 6 Year:
466
Last 6 Year/Total:
0.354
Fedlu Kedir Sabir
Fedlu Kedir Sabir
Adama Science & Technology University
Adama Science & Technology University
Engineering & Technology / Nanoscience and Nanotechnology
Organic Solar Cells and other Optoelectronic Devices Fabrication and Characterization
Nanomaterials Synthesis for Multi-functi
H-Index Rankings
University / Institution:
# 6
Country:
# 240
Region:
# 8,937
World:
# 492,507
H-Index
Total:
18
Last 6 Year:
18
Last 6 Year/Total:
1.000
i10 Index
Total:
27
Last 6 Year:
26
Last 6 Year/Total:
0.963
Citation
Total:
1,129
Last 6 Year:
1,115
Last 6 Year/Total:
0.988
Dalal Husein
Dalal Husein
New Valley University
New Valley University
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials
Synthesis & Characterization
DFT calculations
Adsorption
Photocatalytic Degradation N
H-Index Rankings
University / Institution:
# 8
Country:
# 2,303
Region:
# 8,947
World:
# 492,775
H-Index
Total:
18
Last 6 Year:
18
Last 6 Year/Total:
1.000
i10 Index
Total:
26
Last 6 Year:
25
Last 6 Year/Total:
0.962
Citation
Total:
1,055
Last 6 Year:
1,002
Last 6 Year/Total:
0.950
Wael Sabry Mohamed
Wael Sabry Mohamed
National Research Center, Egypt
National Research Center, Egypt
Engineering & Technology / Nanoscience and Nanotechnology
Polymer Chemistry & Nanotechnology
H-Index Rankings
University / Institution:
# 119
Country:
# 2,364
Region:
# 9,168
World:
# 500,217
H-Index
Total:
18
Last 6 Year:
16
Last 6 Year/Total:
0.889
i10 Index
Total:
30
Last 6 Year:
25
Last 6 Year/Total:
0.833
Citation
Total:
970
Last 6 Year:
810
Last 6 Year/Total:
0.835
Hoda Hafez
Hoda Hafez
University of Sadat City
University of Sadat City
Engineering & Technology / Nanoscience and Nanotechnology
Nano photochemistry
H-Index Rankings
University / Institution:
# 22
Country:
# 2,484
Region:
# 9,623
World:
# 514,431
H-Index
Total:
18
Last 6 Year:
13
Last 6 Year/Total:
0.722
i10 Index
Total:
32
Last 6 Year:
22
Last 6 Year/Total:
0.688
Citation
Total:
1,213
Last 6 Year:
600
Last 6 Year/Total:
0.495
Mahmoud Abdel Halim
Mahmoud Abdel Halim
Minia University
Minia University
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology
H-Index Rankings
University / Institution:
# 49
Country:
# 2,528
Region:
# 9,809
World:
# 520,405
H-Index
Total:
18
Last 6 Year:
12
Last 6 Year/Total:
0.667
i10 Index
Total:
21
Last 6 Year:
14
Last 6 Year/Total:
0.667
Citation
Total:
2,661
Last 6 Year:
597
Last 6 Year/Total:
0.224
Rasha Kharshoum
Rasha Kharshoum
Beni Suef University
Beni Suef University
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology
H-Index Rankings
University / Institution:
# 98
Country:
# 2,600
Region:
# 10,013
World:
# 528,356
H-Index
Total:
17
Last 6 Year:
17
Last 6 Year/Total:
1.000
i10 Index
Total:
26
Last 6 Year:
23
Last 6 Year/Total:
0.885
Citation
Total:
769
Last 6 Year:
722
Last 6 Year/Total:
0.939
Samia Omar
Samia Omar
Ahram Canadian University
Ahram Canadian University
Engineering & Technology / Nanoscience and Nanotechnology
nanomedicine
H-Index Rankings
University / Institution:
# 2
Country:
# 2,634
Region:
# 10,129
World:
# 532,130
H-Index
Total:
17
Last 6 Year:
16
Last 6 Year/Total:
0.941
i10 Index
Total:
27
Last 6 Year:
24
Last 6 Year/Total:
0.889
Citation
Total:
2,612
Last 6 Year:
2,406
Last 6 Year/Total:
0.921
Saad Mabrouk Yakout
Saad Mabrouk Yakout
National Research Center, Egypt
National Research Center, Egypt
Engineering & Technology / Nanoscience and Nanotechnology
Metal oxides nanoparticles
Gas sensors
Diluted magnetic semiconductor
H-Index Rankings
University / Institution:
# 141
Country:
# 2,948
Region:
# 11,234
World:
# 566,595
H-Index
Total:
16
Last 6 Year:
16
Last 6 Year/Total:
1.000
i10 Index
Total:
29
Last 6 Year:
26
Last 6 Year/Total:
0.897
Citation
Total:
769
Last 6 Year:
708
Last 6 Year/Total:
0.921
Ahmed M. Azzam
Ahmed M. Azzam
Theodor Bilharz Research Institute
Theodor Bilharz Research Institute
Engineering & Technology / Nanoscience and Nanotechnology
Environmental Nanotechnology
Chemistry and Microbiology
H-Index Rankings
University / Institution:
# 6
Country:
# 2,983
Region:
# 11,364
World:
# 570,077
H-Index
Total:
16
Last 6 Year:
16
Last 6 Year/Total:
1.000
i10 Index
Total:
18
Last 6 Year:
17
Last 6 Year/Total:
0.944
Citation
Total:
1,301
Last 6 Year:
1,086
Last 6 Year/Total:
0.835
Edwin Madivoli
Edwin Madivoli
Jomo Kenyatta University of Agriculture and Technology
Jomo Kenyatta University of Agriculture and Technology
Engineering & Technology / Nanoscience and Nanotechnology
Biopolymers
Environmental remediation
water treatement
Nanoparticles
H-Index Rankings
University / Institution:
# 51
Country:
# 555
Region:
# 11,662
World:
# 578,579
H-Index
Total:
16
Last 6 Year:
14
Last 6 Year/Total:
0.875
i10 Index
Total:
25
Last 6 Year:
23
Last 6 Year/Total:
0.920
Citation
Total:
658
Last 6 Year:
619
Last 6 Year/Total:
0.941
Naglaa Roushdy Mohamed (N.Roushdy)
Naglaa Roushdy Mohamed (N.Roushdy)
City of Scientific Research and Technological Applications
City of Scientific Research and Technological Applications
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology
H-Index Rankings
University / Institution:
# 28
Country:
# 3,109
Region:
# 11,877
World:
# 585,066
H-Index
Total:
16
Last 6 Year:
13
Last 6 Year/Total:
0.813
i10 Index
Total:
25
Last 6 Year:
18
Last 6 Year/Total:
0.720
Citation
Total:
842
Last 6 Year:
545
Last 6 Year/Total:
0.647
Hanan El-Tantawy
Hanan El-Tantawy
National Research Center, Egypt
National Research Center, Egypt
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology
mineral synthesis
medical applications
zeolites
H-Index Rankings
University / Institution:
# 158
Country:
# 3,113
Region:
# 11,900
World:
# 585,450
H-Index
Total:
16
Last 6 Year:
13
Last 6 Year/Total:
0.813
i10 Index
Total:
24
Last 6 Year:
20
Last 6 Year/Total:
0.833
Citation
Total:
896
Last 6 Year:
682
Last 6 Year/Total:
0.761
Ahmed M Mahdy
Ahmed M Mahdy
Alexandria University
Alexandria University
Engineering & Technology / Nanoscience and Nanotechnology
soil fertility
waste management
pollution
remediation technologies
nanotechnology
H-Index Rankings
University / Institution:
# 181
Country:
# 3,123
Region:
# 11,952
World:
# 586,506
H-Index
Total:
16
Last 6 Year:
13
Last 6 Year/Total:
0.813
i10 Index
Total:
22
Last 6 Year:
18
Last 6 Year/Total:
0.818
Citation
Total:
901
Last 6 Year:
538
Last 6 Year/Total:
0.597
Hany Hamdy
Hany Hamdy
Beni Suef University
Beni Suef University
Engineering & Technology / Nanoscience and Nanotechnology
nanoscience - atomic physics
H-Index Rankings
University / Institution:
# 119
Country:
# 3,252
Region:
# 12,429
World:
# 600,241
H-Index
Total:
16
Last 6 Year:
10
Last 6 Year/Total:
0.625
i10 Index
Total:
27
Last 6 Year:
11
Last 6 Year/Total:
0.407
Citation
Total:
984
Last 6 Year:
604
Last 6 Year/Total:
0.614
Ramadan A. Geioushy
Ramadan A. Geioushy
Central Metallurgical Research and Development Institute
Central Metallurgical Research and Development Institute
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials
Carbon
2D materials
Catalysis
CO2 Conversion
H-Index Rankings
University / Institution:
# 11
Country:
# 3,360
Region:
# 12,757
World:
# 610,827
H-Index
Total:
15
Last 6 Year:
15
Last 6 Year/Total:
1.000
i10 Index
Total:
19
Last 6 Year:
19
Last 6 Year/Total:
1.000
Citation
Total:
843
Last 6 Year:
727
Last 6 Year/Total:
0.862
Shewaye Lakew Mekuria
Shewaye Lakew Mekuria
University of Gondar
University of Gondar
Engineering & Technology / Nanoscience and Nanotechnology
Nanomedicine
Drug carrier
Biomaterials
Macromolecules
H-Index Rankings
University / Institution:
# 31
Country:
# 353
Region:
# 12,815
World:
# 612,538
H-Index
Total:
15
Last 6 Year:
15
Last 6 Year/Total:
1.000
i10 Index
Total:
17
Last 6 Year:
17
Last 6 Year/Total:
1.000
Citation
Total:
844
Last 6 Year:
696
Last 6 Year/Total:
0.825
Nagla Elshemy
Nagla Elshemy
National Research Center, Egypt
National Research Center, Egypt
Engineering & Technology / Nanoscience and Nanotechnology
Textile
Microwave
Dyeing and Textiles printing
nanotechnology
H-Index Rankings
University / Institution:
# 173
Country:
# 3,392
Region:
# 12,883
World:
# 614,629
H-Index
Total:
15
Last 6 Year:
14
Last 6 Year/Total:
0.933
i10 Index
Total:
24
Last 6 Year:
23
Last 6 Year/Total:
0.958
Citation
Total:
582
Last 6 Year:
522
Last 6 Year/Total:
0.897
Rehab Abdelmonem
Rehab Abdelmonem
MISR University for Science & Technology
MISR University for Science & Technology
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology and industrial pharmacy
H-Index Rankings
University / Institution:
# 5
Country:
# 3,435
Region:
# 13,045
World:
# 619,670
H-Index
Total:
15
Last 6 Year:
14
Last 6 Year/Total:
0.933
i10 Index
Total:
17
Last 6 Year:
16
Last 6 Year/Total:
0.941
Citation
Total:
716
Last 6 Year:
677
Last 6 Year/Total:
0.946
Khaled Abouaitah
Khaled Abouaitah
National Research Center, Egypt
National Research Center, Egypt
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology
nanomedicine
drug delivery systems
cancer targated
nanobiotechnology
H-Index Rankings
University / Institution:
# 176
Country:
# 3,436
Region:
# 13,048
World:
# 619,745
H-Index
Total:
15
Last 6 Year:
14
Last 6 Year/Total:
0.933
i10 Index
Total:
17
Last 6 Year:
16
Last 6 Year/Total:
0.941
Citation
Total:
615
Last 6 Year:
552
Last 6 Year/Total:
0.898
# AD Scientific Index - COMESA World Scientists Rankings - 2024 H INDEX i10 INDEX CITATION
COMESA University / Institution Country Region World Name Country University / Institution Subject Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total
1 1 86 394 58,221
MA DeyabMA Deyab
Egypt Egyptian Petroleum Research Institute Egyptian Petroleum Research Institute Engineering & Technology / Nanoscience and Nanotechnology

Physical Chemistry | Electrochemistry | Corrosion | Nanotechnology | Energy |

55 41 0.745 104 102 0.981 6,082 4,299 0.707
2 6 102 460 66,884
Mohamed T. El-SaadonyMohamed T. El-Saadony
Egypt Zagazig University Zagazig University Engineering & Technology / Nanoscience and Nanotechnology

Bionanotechnology |

52 51 0.981 121 121 1.000 7,519 7,482 0.995
3 1 10 505 71,455
Lassaad El MirLassaad El Mir
Tunisia Université de Gabès Université de Gabès Engineering & Technology / Nanoscience and Nanotechnology

Nanotechnology |

51 37 0.725 159 122 0.767 7,345 4,498 0.612
4 2 134 627 82,288
Gomaa AM AliGomaa AM Ali
Egypt Al Azhar University Al Azhar University Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials | Energy | Supercapacitors | Environment | Recycling |

48 48 1.000 107 107 1.000 6,106 5,650 0.925
5 2 139 634 82,815
Farid HarrazFarid Harraz
Egypt Central Metallurgical Research and Development Institute Central Metallurgical Research and Development Institute Engineering & Technology / Nanoscience and Nanotechnology

Energy Storage Materials | Photocatalysis | Sensors | Nanotechnology | Materials Science |

48 40 0.833 146 129 0.884 7,455 5,126 0.688
6 4 19 972 113,858
Habib ElhouichetHabib Elhouichet
Tunisia Université de Tunis el Manar Université de Tunis el Manar Engineering & Technology / Nanoscience and Nanotechnology

Nanotechnology and Photonic Glasses |

42 35 0.833 115 88 0.765 5,448 3,258 0.598
7 4 294 1,248 135,763
IA IbrahimIA Ibrahim
Egypt Central Metallurgical Research and Development Institute Central Metallurgical Research and Development Institute Engineering & Technology / Nanoscience and Nanotechnology

Minerals Processing | S/L separation | waste recycling | photocatalytic degradation of organic matrials | nanomaterials synthesis & |

39 29 0.744 108 82 0.759 8,021 3,665 0.457
8 10 331 1,419 149,267
Ahmed Saeed HassanienAhmed Saeed Hassanien
Egypt Benha University Benha University Engineering & Technology / Nanoscience and Nanotechnology

Nanostructural Materials | Thin Semiconductor Films | Materials Physics |

37 36 0.973 41 41 1.000 4,216 3,820 0.906
9 15 390 1,694 168,538
Ahmed SamirAhmed Samir i
Egypt Kafr El Sheikh University Kafr El Sheikh University Engineering & Technology / Nanoscience and Nanotechnology

Nanoscience | nanotechnology and Space Science |

35 30 0.857 97 84 0.866 4,587 3,613 0.788
10 9 433 1,862 180,291
Nasser Y. MostafaNasser Y. Mostafa
Egypt Suez Canal University Suez Canal University Engineering & Technology / Nanoscience and Nanotechnology

Biomaterials | Nanomaterials | electrocatalysis |

34 27 0.794 69 58 0.841 3,843 2,087 0.543
Adscientificindex

Click for INSTITUTIONAL REGISTRATION and PREMIUM MEMBERSHIP advantages
11 9 435 1,867 180,380
Abdallah AbdelhayAbdallah Abdelhay
Egypt South Valley University South Valley University Engineering & Technology / Nanoscience and Nanotechnology

ieee |

34 27 0.794 64 61 0.953 3,285 2,379 0.724
12 20 461 1,987 188,114
Manal FawzyManal Fawzy
Egypt Alexandria University Alexandria University Engineering & Technology / Nanoscience and Nanotechnology

Conservation of Natural Resources | Phytoremediation | Phytosynthesis of Nanomaterials |

33 32 0.970 52 47 0.904 2,920 2,279 0.780
13 51 507 2,177 199,445
Abdelwahab RajehAbdelwahab Rajeh
Egypt Mansoura University Mansoura University Engineering & Technology / Nanoscience and Nanotechnology

Nanocomposites | polymer nanocomposites | Energy storage | Nanotechnology |

32 32 1.000 47 47 1.000 2,763 2,706 0.979
14 3 511 2,186 199,754
M Abd ElkodousM Abd Elkodous
Egypt Nile University Nile University Engineering & Technology / Nanoscience and Nanotechnology

nanomaterials - water splitting - photocatalysis - supercapacitance |

32 31 0.969 47 47 1.000 2,538 2,524 0.994
15 1 60 2,648 224,963
HC Ananda MurthyHC Ananda Murthy
Ethiopia Adama Science & Technology University Adama Science & Technology University Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials | Metal and Metal oxides NPs | Multi-functional applications | Photocatalysis | Sensor |

30 30 1.000 83 82 0.988 3,126 3,075 0.984
16 4 732 3,093 246,799
Abd El-Hady KashyoutAbd El-Hady Kashyout
Egypt City of Scientific Research and Technological Applications City of Scientific Research and Technological Applications Engineering & Technology / Nanoscience and Nanotechnology

Nanotechnology & nanoscience | supercapacitors | nanoelectronic materials | Solar Cells | Gas Sensors |

29 21 0.724 58 47 0.810 2,629 1,651 0.628
17 28 788 3,294 257,447
Mohamed Abbas IbrahimMohamed Abbas Ibrahim
Egypt Al Azhar University Al Azhar University Engineering & Technology / Nanoscience and Nanotechnology

Tablet technology | Pelletization technology | Nanotechnology | Biomaterials |

28 24 0.857 67 55 0.821 2,782 1,864 0.670
18 39 841 3,527 270,651
Alaa El Din MahmoudAlaa El Din Mahmoud
Egypt Alexandria University Alexandria University Engineering & Technology / Nanoscience and Nanotechnology

Water Technology | Nanotechnology | Water treatment | Adsorption | Green synthesis nanoparticles |

27 27 1.000 47 47 1.000 2,240 2,136 0.954
19 39 126 4,041 296,107
Abdesslem Ben Haj AmaraAbdesslem Ben Haj Amara
Tunisia Université de Sfax Université de Sfax Engineering & Technology / Nanoscience and Nanotechnology

environnement | clay minerals | nanomaterials | photocatalysis |

26 20 0.769 55 37 0.673 1,908 1,151 0.603
20 43 1,224 4,919 336,538
Hanaa M AhmedHanaa M Ahmed
Egypt Benha University Benha University Engineering & Technology / Nanoscience and Nanotechnology

nanotechnology |

24 19 0.792 48 38 0.792 1,719 1,168 0.679
21 10 1,226 4,932 336,906
Hesham Ma SolimanHesham Ma Soliman
Egypt City of Scientific Research and Technological Applications City of Scientific Research and Technological Applications Engineering & Technology / Nanoscience and Nanotechnology

Water Treatments | Energy and Fuel Cells | Chemistry | Electrochemistry | Nanotechnology |

24 19 0.792 43 35 0.814 1,715 1,148 0.669
22 8 1,352 5,438 360,860
Tamer SakrTamer Sakr
Egypt Egyptian Atomic Energy Authority Egyptian Atomic Energy Authority Engineering & Technology / Nanoscience and Nanotechnology

Radiopharmaceutical | Medicinal Chemistry | Molecular Modeling | Nanotechnology | Nanomedicine |

23 18 0.783 41 36 0.878 1,431 1,080 0.755
23 63 1,392 5,642 368,679
Roshdi SeoudiRoshdi Seoudi
Egypt National Research Center, Egypt National Research Center, Egypt Engineering & Technology / Nanoscience and Nanotechnology

Spectroscopy | Solar Cells | Nanotechnology |

23 15 0.652 28 24 0.857 1,568 776 0.495
24 16 1,610 6,463 402,606
Ahmed Ibrahim Abd-ElhamidAhmed Ibrahim Abd-Elhamid
Egypt City of Scientific Research and Technological Applications City of Scientific Research and Technological Applications Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials for Various Applications |

21 20 0.952 33 33 1.000 1,297 1,270 0.979
25 16 1,670 6,659 409,953
Elsayed Zaki|E.G.ZakiElsayed Zaki|E.G.Zaki
Egypt Egyptian Petroleum Research Institute Egyptian Petroleum Research Institute Engineering & Technology / Nanoscience and Nanotechnology

Ionic liquids | corrosion | hydrogel | Nanoscience | radiation |

21 18 0.857 27 26 0.963 1,177 1,087 0.924
26 61 1,864 7,365 434,288
Mohamed Abdrabou HusseinMohamed Abdrabou Hussein
Egypt Kafr El Sheikh University Kafr El Sheikh University Engineering & Technology / Nanoscience and Nanotechnology

Nanostructured Materials | Light Metals | Biomaterials | Mechanical Alloying | High entropy alloy |

20 18 0.900 34 32 0.941 1,607 1,422 0.885
27 195 1,872 7,405 436,710
Ekram H El AdsEkram H El Ads
Egypt Cairo University Cairo University Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials | Materials chemistry | perovskites nanoparticles | Electrochemical seneors | Fuel cells |

20 18 0.900 24 23 0.958 1,153 777 0.674
28 77 2,115 8,263 467,185
Ahmed G El-DeenAhmed G El-Deen
Egypt Beni Suef University Beni Suef University Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials for Electrocatalysis | Fuel Cell | Supercapacitors | DSSC | Desalination |

19 17 0.895 27 24 0.889 1,630 1,077 0.661
29 111 2,141 8,370 471,392
Saber IbrahimSaber Ibrahim
Egypt National Research Center, Egypt National Research Center, Egypt Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials | polymer and packaging materials technology |

19 16 0.842 28 24 0.857 988 834 0.844
30 2 24 8,640 481,238
Prakash KatakamPrakash Katakam
Libya Al Zawiya University Al Zawiya University Engineering & Technology / Nanoscience and Nanotechnology

Controlled Drug Delivery | 3D Printing | Nanotechnology | Biomaterials | Bioanalyticals |

19 13 0.684 51 21 0.412 1,300 664 0.511
Adscientificindex

A New and Different Feature!!!! University Subject Rankings in 12 subjects:

Ranking and analysis of universities by subject in 12 fields such as health, engineering, natural sciences, education, business, economics, social sciences, etc.
31 222 2,278 8,860 489,548
Mohamed Nabil SabryMohamed Nabil Sabry
Egypt Mansoura University Mansoura University Engineering & Technology / Nanoscience and Nanotechnology

Microfluidics | Electrothermal | Nanotechnology | Energy |

19 10 0.526 25 11 0.440 1,318 466 0.354
32 6 240 8,937 492,507
Fedlu Kedir SabirFedlu Kedir Sabir
Ethiopia Adama Science & Technology University Adama Science & Technology University Engineering & Technology / Nanoscience and Nanotechnology

Organic Solar Cells and other Optoelectronic Devices Fabrication and Characterization | Nanomaterials Synthesis for Multi-functi |

18 18 1.000 27 26 0.963 1,129 1,115 0.988
33 8 2,303 8,947 492,775
Dalal HuseinDalal Husein
Egypt New Valley University New Valley University Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials | Synthesis & Characterization | DFT calculations | Adsorption | Photocatalytic Degradation N |

18 18 1.000 26 25 0.962 1,055 1,002 0.950
34 119 2,364 9,168 500,217
Wael Sabry MohamedWael Sabry Mohamed
Egypt National Research Center, Egypt National Research Center, Egypt Engineering & Technology / Nanoscience and Nanotechnology

Polymer Chemistry & Nanotechnology |

18 16 0.889 30 25 0.833 970 810 0.835
35 22 2,484 9,623 514,431
Hoda HafezHoda Hafez
Egypt University of Sadat City University of Sadat City Engineering & Technology / Nanoscience and Nanotechnology

Nano photochemistry |

18 13 0.722 32 22 0.688 1,213 600 0.495
36 49 2,528 9,809 520,405
Mahmoud Abdel HalimMahmoud Abdel Halim
Egypt Minia University Minia University Engineering & Technology / Nanoscience and Nanotechnology

Nanotechnology |

18 12 0.667 21 14 0.667 2,661 597 0.224
37 98 2,600 10,013 528,356
Rasha KharshoumRasha Kharshoum
Egypt Beni Suef University Beni Suef University Engineering & Technology / Nanoscience and Nanotechnology

Nanotechnology |

17 17 1.000 26 23 0.885 769 722 0.939
38 2 2,634 10,129 532,130
Samia OmarSamia Omar
Egypt Ahram Canadian University Ahram Canadian University Engineering & Technology / Nanoscience and Nanotechnology

nanomedicine |

17 16 0.941 27 24 0.889 2,612 2,406 0.921
39 141 2,948 11,234 566,595
Saad Mabrouk YakoutSaad Mabrouk Yakout
Egypt National Research Center, Egypt National Research Center, Egypt Engineering & Technology / Nanoscience and Nanotechnology

Metal oxides nanoparticles | Gas sensors | Diluted magnetic semiconductor |

16 16 1.000 29 26 0.897 769 708 0.921
40 6 2,983 11,364 570,077
Ahmed M. AzzamAhmed M. Azzam
Egypt Theodor Bilharz Research Institute Theodor Bilharz Research Institute Engineering & Technology / Nanoscience and Nanotechnology

Environmental Nanotechnology | Chemistry and Microbiology |

16 16 1.000 18 17 0.944 1,301 1,086 0.835
41 51 555 11,662 578,579
Edwin MadivoliEdwin Madivoli
Kenya Jomo Kenyatta University of Agriculture and Technology Jomo Kenyatta University of Agriculture and Technology Engineering & Technology / Nanoscience and Nanotechnology

Biopolymers | Environmental remediation | water treatement | Nanoparticles |

16 14 0.875 25 23 0.920 658 619 0.941
42 28 3,109 11,877 585,066
Naglaa Roushdy Mohamed (N.Roushdy)Naglaa Roushdy Mohamed (N.Roushdy)
Egypt City of Scientific Research and Technological Applications City of Scientific Research and Technological Applications Engineering & Technology / Nanoscience and Nanotechnology

nanotechnology |

16 13 0.813 25 18 0.720 842 545 0.647
43 158 3,113 11,900 585,450
Hanan El-TantawyHanan El-Tantawy
Egypt National Research Center, Egypt National Research Center, Egypt Engineering & Technology / Nanoscience and Nanotechnology

nanotechnology | mineral synthesis | medical applications | zeolites |

16 13 0.813 24 20 0.833 896 682 0.761
44 181 3,123 11,952 586,506
Ahmed M MahdyAhmed M Mahdy
Egypt Alexandria University Alexandria University Engineering & Technology / Nanoscience and Nanotechnology

soil fertility | waste management | pollution | remediation technologies | nanotechnology |

16 13 0.813 22 18 0.818 901 538 0.597
45 119 3,252 12,429 600,241
Hany HamdyHany Hamdy
Egypt Beni Suef University Beni Suef University Engineering & Technology / Nanoscience and Nanotechnology

nanoscience - atomic physics |

16 10 0.625 27 11 0.407 984 604 0.614
46 11 3,360 12,757 610,827
Ramadan A. GeioushyRamadan A. Geioushy
Egypt Central Metallurgical Research and Development Institute Central Metallurgical Research and Development Institute Engineering & Technology / Nanoscience and Nanotechnology

Nanomaterials | Carbon | 2D materials | Catalysis | CO2 Conversion |

15 15 1.000 19 19 1.000 843 727 0.862
47 31 353 12,815 612,538
Shewaye Lakew MekuriaShewaye Lakew Mekuria
Ethiopia University of Gondar University of Gondar Engineering & Technology / Nanoscience and Nanotechnology

Nanomedicine | Drug carrier | Biomaterials | Macromolecules |

15 15 1.000 17 17 1.000 844 696 0.825
48 173 3,392 12,883 614,629
Nagla ElshemyNagla Elshemy
Egypt National Research Center, Egypt National Research Center, Egypt Engineering & Technology / Nanoscience and Nanotechnology

Textile | Microwave | Dyeing and Textiles printing | nanotechnology |

15 14 0.933 24 23 0.958 582 522 0.897
49 5 3,435 13,045 619,670
Rehab AbdelmonemRehab Abdelmonem
Egypt MISR University for Science & Technology MISR University for Science & Technology Engineering & Technology / Nanoscience and Nanotechnology

nanotechnology and industrial pharmacy |

15 14 0.933 17 16 0.941 716 677 0.946
50 176 3,436 13,048 619,745
Khaled AbouaitahKhaled Abouaitah
Egypt National Research Center, Egypt National Research Center, Egypt Engineering & Technology / Nanoscience and Nanotechnology

Nanotechnology | nanomedicine | drug delivery systems | cancer targated | nanobiotechnology |

15 14 0.933 17 16 0.941 615 552 0.898