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Yemen 1.363 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Dec 31, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.755) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
5,382
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Patient care | Drug Safety | Patient Safety | Medical Educatio
Patient care | Drug Safety | Patient Safety | Medical Educatio
H-Index Metrics
-
H-Index119
-
i10 Index200
-
Citation Counts37,945
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* Total H Index Rankings
Rankings
87,188
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
DecentalizedAI RAG LLM | Data-sharing Industry4.0/5.0 | SemCom HoloCom | Maverse | D
DecentalizedAI RAG LLM | Data-sharing Industry4.0/5.0 | SemCom HoloCom | Maverse | D
H-Index Metrics
-
H-Index51
-
i10 Index117
-
Citation Counts7,985
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* Total H Index Rankings
Rankings
107,289
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
3
Architecture and Design / Architecture
Architectural heritage | Sustainability | Design Strategies | Design thinkin
Architectural heritage | Sustainability | Design Strategies | Design thinkin
H-Index Metrics
-
H-Index47
-
i10 Index122
-
Citation Counts6,917
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* Total H Index Rankings
Rankings
132,150
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
132,627
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
5
Engineering & Technology / Petroleum Engineering
Petroleum system analysis | Basin Modeling | Petroleum Geochemistry | Petroleum Reservoir Rocks | Coa
Petroleum system analysis | Basin Modeling | Petroleum Geochemistry | Petroleum Reservoir Rocks | Coa
H-Index Metrics
-
H-Index43
-
i10 Index116
-
Citation Counts5,248
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* Total H Index Rankings
Rankings
138,129
World Rank
6
Country Rank
2
University
Ranking Based On Selection:
6
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Pharmaceutics | Drug Delivery Systems | Pharmacokinetics | Nanotechnology in Drug Deliver
Pharmaceutics | Drug Delivery Systems | Pharmacokinetics | Nanotechnology in Drug Deliver
H-Index Metrics
-
H-Index42
-
i10 Index94
-
Citation Counts3,430
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* Total H Index Rankings
Rankings
138,162
World Rank
7
Country Rank
2
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
138,195
World Rank
8
Country Rank
3
University
Ranking Based On Selection:
8
Natural Sciences / Mathematical Sciences
General Topology | Soft set theory and Soft topology | Fuzzy set theory and Fuzzy topology | Decision-making problem
General Topology | Soft set theory and Soft topology | Fuzzy set theory and Fuzzy topology | Decision-making problem
H-Index Metrics
-
H-Index42
-
i10 Index137
-
Citation Counts5,337
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* Total H Index Rankings
Rankings
164,769
World Rank
9
Country Rank
1
University
Ranking Based On Selection:
9
Medical and Health Sciences / Dentistry
Oral and Maxillofacial Surgery Dental implant Network meta-analysis Orthignathic surgery Craniomaxillofacial surger
Oral and Maxillofacial Surgery Dental implant Network meta-analysis Orthignathic surgery Craniomaxillofacial surger
H-Index Metrics
-
H-Index39
-
i10 Index79
-
Citation Counts4,481
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* Total H Index Rankings
Rankings
191,733
World Rank
10
Country Rank
1
University
Ranking Based On Selection:
10
Natural Sciences / Mathematical Sciences
Dynamical systems \ Oscillation Theory \ Differential and Difference Equation
Dynamical systems \ Oscillation Theory \ Differential and Difference Equation
H-Index Metrics
-
H-Index36
-
i10 Index98
-
Citation Counts3,366
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* Total H Index Rankings
Rankings
203,451
World Rank
11
Country Rank
4
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
210,675
World Rank
12
Country Rank
5
University
Ranking Based On Selection:
12
Medical and Health Sciences / Biochemistry
Diabetes | Metabolic Syndrome | Insulin Resistance | Obesit
Diabetes | Metabolic Syndrome | Insulin Resistance | Obesit
H-Index Metrics
-
H-Index35
-
i10 Index55
-
Citation Counts5,241
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* Total H Index Rankings
Rankings
227,867
World Rank
13
Country Rank
1
University
Ranking Based On Selection:
13
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Analytical Chemistry | Atomic Spectroscopy | Sustainable Materials | Magnetic nanocomposit
Analytical Chemistry | Atomic Spectroscopy | Sustainable Materials | Magnetic nanocomposit
H-Index Metrics
-
H-Index33
-
i10 Index46
-
Citation Counts5,708
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* Total H Index Rankings
Rankings
228,007
World Rank
14
Country Rank
2
University
Ranking Based On Selection:
14
Medical and Health Sciences / Dentistry
Prosthodontics | Implant Dentistry | Evidence-Based Dentistry | 3D Printing | Artificial intelligence
Prosthodontics | Implant Dentistry | Evidence-Based Dentistry | 3D Printing | Artificial intelligence
H-Index Metrics
-
H-Index33
-
i10 Index78
-
Citation Counts9,399
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* Total H Index Rankings
Rankings
228,023
World Rank
15
Country Rank
2
University
Ranking Based On Selection:
15
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Applied Physics | Nanoscience | Materials Scienc
Nanotechnology | Applied Physics | Nanoscience | Materials Scienc
H-Index Metrics
-
H-Index33
-
i10 Index77
-
Citation Counts2,926
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* Total H Index Rankings
Rankings
235,221
World Rank
16
Country Rank
6
University
Ranking Based On Selection:
16
Others
Parasitology | Molecular epidemiology | Neglected Tropical Diseases | Cryptosporidium | Giardi
Parasitology | Molecular epidemiology | Neglected Tropical Diseases | Cryptosporidium | Giardi
H-Index Metrics
-
H-Index34
-
i10 Index66
-
Citation Counts3,295
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* Total H Index Rankings
Rankings
254,940
World Rank
17
Country Rank
7
University
Ranking Based On Selection:
17
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Pharmaceutics | Industrial pharmacy | Drug delivery system
Pharmaceutics | Industrial pharmacy | Drug delivery system
H-Index Metrics
-
H-Index31
-
i10 Index54
-
Citation Counts2,024
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* Total H Index Rankings
Rankings
255,050
World Rank
18
Country Rank
2
University
Ranking Based On Selection:
18
Engineering & Technology / Computer Science
Computer Science- Artificial Intelligence | One of the top 2% in the worl
Computer Science- Artificial Intelligence | One of the top 2% in the worl
H-Index Metrics
-
H-Index31
-
i10 Index47
-
Citation Counts2,830
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* Total H Index Rankings
Rankings
270,031
World Rank
19
Country Rank
1
University
Ranking Based On Selection:
19
Natural Sciences / Mathematical Sciences
Mathematical Models | Nonlinear Dynamics | Fractional Differential Equations | Fractional Calculu
Mathematical Models | Nonlinear Dynamics | Fractional Differential Equations | Fractional Calculu
H-Index Metrics
-
H-Index30
-
i10 Index84
-
Citation Counts3,108
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* Total H Index Rankings
Rankings
270,143
World Rank
20
Country Rank
3
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
286,437
World Rank
21
Country Rank
3
University
Ranking Based On Selection:
21
Natural Sciences / Physics
Applied Physics | Materials Science -Nanomaterials | Spectroscopy | Energy | Biophysic
Applied Physics | Materials Science -Nanomaterials | Spectroscopy | Energy | Biophysic
H-Index Metrics
-
H-Index29
-
i10 Index67
-
Citation Counts2,332
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* Total H Index Rankings
Rankings
286,760
World Rank
22
Country Rank
8
University
Ranking Based On Selection:
22
Natural Sciences / Physics
Energy storage | Advanced Materials | Thin Films | Solar Cells | Polymer Nanocomposite
Energy storage | Advanced Materials | Thin Films | Solar Cells | Polymer Nanocomposite
H-Index Metrics
-
H-Index29
-
i10 Index42
-
Citation Counts2,040
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* Total H Index Rankings
Rankings
287,444
World Rank
23
Country Rank
2
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
304,073
World Rank
24
Country Rank
9
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
311,365
World Rank
25
Country Rank
1
University
Ranking Based On Selection:
25
Medical and Health Sciences / Epidemiology and Public Health
Community medicine | public health | cancer | nutrition | reproductive
Community medicine | public health | cancer | nutrition | reproductive
H-Index Metrics
-
H-Index28
-
i10 Index41
-
Citation Counts27,633
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