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University · ‘Amrān · Yemen

Amran University

In research, Amran University stands highest in Physical Sciences (#8,568 of 10,670 worldwide), 2022-now.

amu.edu.yeROR OpenAlex
World rank, 2022-now
#11,170
of 22,385 · #15,617 all time
Rank in Yemen
#10
of 15
Research works
345
▲ 78% vs 2018-21
Citations
6.7k
19.4 per fractional work
Top-10% rate
16.7%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
72%
world 40%
International
56%
world 18%
Amran University

What is Amran University known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #8,568 of 10,670 25.9%75 #10238

Each strip is that field's whole ranked pool, with the notch where Amran University sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Amran University work in?

In 2022-now, 49% of research at Amran University is in Physical Sciences, 25% in Social Sciences. Its largest fields are Engineering (14%), Medicine (13%), Materials Science (10%).

Physical Sciences: 86 fractional works · 48.7% of its workEngineering: 25 fractional works · 14.1% of its workCivil and Structural Engineering: 6 fractional works · 3.6% of its workBiomedical Engineering: 5 fractional works · 2.8% of its workBuilding and Construction: 4 fractional works · 2.4% of its workElectrical and Electronic Engineering: 3 fractional works · 1.7% of its workAerospace Engineering: 2 fractional works · 0.9% of its workControl and Systems Engineering: 1 fractional works · 0.7% of its workMechanical Engineering: 1 fractional works · 0.7% of its workMedia Technology: 1 fractional works · 0.4% of its workMechanics of Materials: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.6% of its workMaterials Science: 18 fractional works · 10.2% of its workPolymers and Plastics: 9 fractional works · 4.9% of its workMaterials Chemistry: 5 fractional works · 2.9% of its workElectronic, Optical and Magnetic Materials: 2 fractional works · 1.1% of its workBiomaterials: 1 fractional works · 0.5% of its workCeramics and Composites: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 16 fractional works · 8.9% of its workArtificial Intelligence: 8 fractional works · 4.4% of its workInformation Systems: 3 fractional works · 1.6% of its workComputational Theory and Mathematics: 2 fractional works · 0.9% of its workComputer Vision and Pattern Recognition: 2 fractional works · 0.9% of its workComputer Networks and Communications: 1 fractional works · 0.8% of its workSignal Processing: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workMathematics: 12 fractional works · 6.7% of its workAlgebra and Number Theory: 3 fractional works · 1.5% of its workApplied Mathematics: 2 fractional works · 1.4% of its workGeometry and Topology: 2 fractional works · 1.0% of its workNumerical Analysis: 2 fractional works · 0.9% of its workMathematical Physics: 1 fractional works · 0.8% of its workStatistics and Probability: 1 fractional works · 0.6% of its workModeling and Simulation: 1 fractional works · 0.5% of its workEnvironmental Science: 5 fractional works · 2.9% of its workEnvironmental Engineering: 1 fractional works · 0.6% of its workPollution: 1 fractional works · 0.5% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.4% of its workGlobal and Planetary Change: 1 fractional works · 0.4% of its workEcology: 1 fractional works · 0.4% of its workWater Science and Technology: 1 fractional works · 0.3% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysics and Astronomy: 5 fractional works · 2.7% of its workStatistical and Nonlinear Physics: 1 fractional works · 0.8% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 0.8% of its workCondensed Matter Physics: 1 fractional works · 0.7% of its workAstronomy and Astrophysics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnergy: 3 fractional works · 1.4% of its workRenewable Energy, Sustainability and the Environment: 2 fractional works · 0.9% of its workEnergy Engineering and Power Technology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workChemistry: 2 fractional works · 1.2% of its workOrganic Chemistry: 1 fractional works · 0.6% of its workInorganic Chemistry: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workChemical Engineering: 1 fractional works · 0.3% of its workCatalysis: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 0 fractional works · 0.2% of its workSocial Sciences: 45 fractional works · 25.3% of its workSocial Sciences: 15 fractional works · 8.6% of its workSociology and Political Science: 6 fractional works · 3.2% of its workEducation: 3 fractional works · 1.8% of its workPolitical Science and International Relations: 1 fractional works · 0.7% of its workTransportation: 1 fractional works · 0.7% of its workUrban Studies: 1 fractional works · 0.4% of its workGeography, Planning and Development: 1 fractional works · 0.3% of its workCommunication: 0 fractional works · 0.3% of its workHuman Factors and Ergonomics: 0 fractional works · 0.3% of its workLinguistics and Language: 0 fractional works · 0.3% of its workHealth: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workBusiness, Management and Accounting: 14 fractional works · 8.1% of its workAccounting: 8 fractional works · 4.2% of its workStrategy and Management: 3 fractional works · 1.5% of its workManagement Information Systems: 2 fractional works · 0.9% of its workMarketing: 1 fractional works · 0.6% of its workManagement of Technology and Innovation: 1 fractional works · 0.5% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.4% of its workDecision Sciences: 7 fractional works · 3.8% of its workManagement Science and Operations Research: 4 fractional works · 2.4% of its workInformation Systems and Management: 2 fractional works · 0.9% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.6% of its workPsychology: 4 fractional works · 2.1% of its workClinical Psychology: 2 fractional works · 0.9% of its workDevelopmental and Educational Psychology: 1 fractional works · 0.6% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.3% of its workSocial Psychology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 3 fractional works · 1.6% of its workLanguage and Linguistics: 3 fractional works · 1.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 2 fractional works · 1.1% of its workEconomics and Econometrics: 2 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.2% of its workHealth Sciences: 27 fractional works · 15.5% of its workMedicine: 23 fractional works · 13.0% of its workEpidemiology: 4 fractional works · 2.1% of its workSurgery: 4 fractional works · 2.0% of its workPublic Health, Environmental and Occupational Health: 3 fractional works · 1.7% of its workPulmonary and Respiratory Medicine: 2 fractional works · 1.0% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 0.7% of its workOncology: 1 fractional works · 0.6% of its workComplementary and alternative medicine: 1 fractional works · 0.6% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 0.5% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 0.4% of its workPharmacology: 1 fractional works · 0.4% of its workObstetrics and Gynecology: 1 fractional works · 0.3% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.3% of its workEmergency Medicine: 0 fractional works · 0.3% of its workInfectious Diseases: 0 fractional works · 0.3% of its workHepatology: 0 fractional works · 0.3% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.2% of its workHematology: 0 fractional works · 0.2% of its workPhysiology: 0 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 1.0% of its workHealth Professions: 3 fractional works · 1.5% of its workGeneral Health Professions: 2 fractional works · 0.9% of its workHealth Information Management: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workNursing: 1 fractional works · 0.6% of its workNutrition and Dietetics: 1 fractional works · 0.6% of its workVeterinary: 0 fractional works · 0.2% of its workDentistry: 0 fractional works · 0.1% of its workLife Sciences: 19 fractional works · 10.5% of its workAgricultural and Biological Sciences: 10 fractional works · 5.6% of its workPlant Science: 6 fractional works · 3.6% of its workFood Science: 1 fractional works · 0.7% of its workSoil Science: 1 fractional works · 0.5% of its workInsect Science: 1 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.3% of its workBiochemistry, Genetics and Molecular Biology: 6 fractional works · 3.3% of its workMolecular Biology: 5 fractional works · 2.7% of its workSmaller subfields together: 1 fractional works · 0.6% of its workImmunology and Microbiology: 2 fractional works · 1.2% of its workParasitology: 1 fractional works · 0.8% of its workImmunology: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workALL ITS WORKAmran University177fractional works, 2022-now
Life Sciences11%Physical Sciences49%Health Sciences15%Social Sciences25%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 26 fields, with their numbers
    1. Engineering2514.1%
    2. Materials Science1810.2%
    3. Computer Science168.9%
    4. Mathematics126.7%
    5. Environmental Science52.9%
    6. Physics and Astronomy52.7%
    7. Energy31.4%
    8. Chemistry21.2%
    9. Chemical Engineering10.3%
    10. Earth and Planetary Sciences00.2%
    1. Social Sciences158.6%
    2. Business, Management and Accounting148.1%
    3. Decision Sciences73.8%
    4. Psychology42.1%
    5. Arts and Humanities31.6%
    6. Economics, Econometrics and Finance21.1%
    1. Medicine2313.0%
    2. Health Professions31.5%
    3. Nursing10.6%
    4. Veterinary00.2%
    5. Dentistry00.1%
    1. Agricultural and Biological Sciences105.6%
    2. Biochemistry, Genetics and Molecular Biology63.3%
    3. Immunology and Microbiology21.2%
    4. Neuroscience00.2%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.19× its world share, 10 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.62× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 1.23× its world share, 2 worksImmunology and Micro…Neuroscience: 0.14× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.39× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.85× its world share, 0 worksChemical EngineeringChemistry: 0.79× its world share, 2 worksChemistryComputer Science: 1.15× its world share, 16 worksComputer ScienceEarth and Planetary Sciences: 0.16× its world share, 0 worksEarth and Planetary …Energy: 1.55× its world share, 2 worksEnergyEngineering: 0.94× its world share, 25 worksEngineeringEnvironmental Science: 0.59× its world share, 5 worksEnvironmental ScienceMaterials Science: 2.92× its world share, 18 worksMaterials ScienceMathematics: 5.70× its world share, 12 worksMathematicsPhysics and Astronomy: 1.21× its world share, 5 worksPhysics and AstronomyDentistry: 0.22× its world share, 0 worksDentistryHealth Professions: 0.57× its world share, 3 worksHealth ProfessionsMedicine: 0.68× its world share, 23 worksMedicineNursing: 1.24× its world share, 1 worksNursingVeterinary: 1.38× its world share, 0 worksVeterinaryArts and Humanities: 0.55× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 2.51× its world share, 14 worksBusiness, Management…Decision Sciences: 3.97× its world share, 7 worksDecision SciencesEconomics, Econometrics and Finance: 0.53× its world share, 2 worksEconomics, Econometr…Psychology: 0.69× its world share, 4 worksPsychologySocial Sciences: 0.68× its world share, 15 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 5.7×. Every wedge is a field page.

All 26 fields, with their numbers
  1. Mathematics5.70×12 works
  2. Decision Sciences3.97×7 works
  3. Materials Science2.92×18 works
  4. Business, Management and Accounting2.51×14 works
  5. Energy1.55×2 works
  6. Veterinary1.38×0 works
  7. Nursing1.24×1 works
  8. Immunology and Microbiology1.23×2 works
  9. Physics and Astronomy1.21×5 works
  10. Agricultural and Biological Sciences1.19×10 works
  11. Computer Science1.15×16 works
  12. Engineering0.94×25 works
  13. Chemical Engineering0.85×0 works
  14. Chemistry0.79×2 works
  15. Psychology0.69×4 works
  16. Medicine0.68×23 works
  17. Social Sciences0.68×15 works
  18. Biochemistry, Genetics and Molecular Biology0.62×6 works
  19. Environmental Science0.59×5 works
  20. Health Professions0.57×3 works
  21. Arts and Humanities0.55×3 works
  22. Economics, Econometrics and Finance0.53×2 works
  23. Pharmacology, Toxicology and Pharmaceutics0.39×0 works
  24. Dentistry0.22×0 works
  25. Earth and Planetary Sciences0.16×0 works
  26. Neuroscience0.14×0 works

Who are the top researchers at Amran University?

Ranked on the quality score, Abdulwahab Rajeh, Mohammed A. Mannaa and Ali Ahmed Al-Hadheq lead among researchers whose main affiliation is Amran University.

  1. 1 Abdulwahab Rajeh Yemen · #54,107 worldwide 5.9k citations · 92 works
  2. 2 Mohammed A. Mannaa Yemen · #792,026 worldwide 1.6k citations · 28 works
  3. 3 Ali Ahmed Al-Hadheq Yemen · #2,012,589 worldwide 48 citations · 21 works
  4. 4 Mohammed Abdullah Salman Yemen · #2,447,857 worldwide 157 citations · 28 works
  5. 5 ebrahim adeb Yemen · #3,045,598 worldwide 0 citations · 20 works
  6. 6 Mohamed Al-Hada Yemen · #3,314,279 worldwide 596 citations · 26 works
  7. 7 Ali Saif M. Hassan Yemen · #3,437,747 worldwide 315 citations · 36 works
  8. 8 M. Ali Saif Yemen · #4,254,244 worldwide 65 citations · 16 works
All ranked researchers at Amran University

What are the most cited papers from Amran University?

The most cited paper from Amran University is "Textile finishing dyes and their impact on aquatic environs" (Mohamed Berradi, Rachid Hsissou, Mohammed Hussein Rafeq Khudhair et al., 2019), with 1,002 citations. Next come "Clean production and properties of geopolymer concrete; A review" (903) and "Recent trends in ultra-high performance concrete (UHPC): Current status, challenges, and future prospects" (551).

Most cited papers
#PaperReleasedCitations
1 Textile finishing dyes and their impact on aquatic environs Mohamed Berradi, Rachid Hsissou, Mohammed Hussein Rafeq Khudhair et al. · Heliyon Open access Nov 2019 1,002
2 Clean production and properties of geopolymer concrete; A review Mugahed Amran, Rayed Alyousef, Hisham Alabduljabbar et al. · Journal of Cleaner Production 16 Dec 2019 903
3 Recent trends in ultra-high performance concrete (UHPC): Current status, challenges, and future prospects Mugahed Amran, Shan‐Shan Huang, Ali M. Onaizi et al. · Construction and Building Materials 7 Sep 2022 551
4 Fly ash-based eco-friendly geopolymer concrete: A critical review of the long-term durability properties Mugahed Amran, Solomon Debbarma, Togay Ozbakkaloglu · Construction and Building Materials 11 Dec 2020 528
5 Strengthening of reinforced concrete beams by using fiber-reinforced polymer composites: A review Ayesha Siddika, Md. Abdullah Al Mamun, Rayed Alyousef et al. · Journal of Building Engineering 9 May 2019 446
All 60 most cited papers, with filters and sorting

Which keywords describe research at Amran University?

By fractional works in 2022-now, weighted toward what it does more of than the world: Nanocomposites, Corporate Governance, Metal Nanoparticles, Dielectric Properties, Thermal Properties, Optical Characteristics, Polyvinyl Alcohol and Supply Chain Management.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Nanocomposites11▲ 7.8×10 topics
  2. Corporate Governance8▲ 5.7×10 topics
  3. Epidemiology7◆ 1.01×36 topics
  4. Machine Learning6◆ 1.07×29 topics
  5. Deep Learning6◆ 1.02×27 topics
  6. Supply Chain Management5▲ 3.2×9 topics
  7. Dielectric Properties5▲ 28×2 topics
  8. Metal Nanoparticles5▲ 17×5 topics
  9. Environmental Impact5▲ 1.54×15 topics
  10. Thermal Properties5▲ 22×5 topics
  11. Biomedical Applications4▲ 2.1×10 topics
  12. Optical Characteristics4▲ 177×1 topic
  13. Polyvinyl Alcohol4▲ 177×1 topic
  14. Tissue Engineering4▲ 3.4×5 topics
  15. Energy Storage4▲ 3.2×6 topics
  16. Risk Management3▲ 4.1×6 topics
  17. Geopolymer3▲ 13×2 topics
  18. Nanofibers3▲ 8.8×2 topics
  19. Conducting Polymers3▲ 13×1 topic
  20. Finance3▲ 9.1×2 topics
  21. Islamic Banking3▲ 4.5×2 topics
  22. Nanotechnology3▲ 9.5×2 topics
  23. Polyaniline3▲ 15×1 topic
  24. Financial Stability3▲ 8.5×2 topics
  25. Performance Analysis3▲ 8.0×2 topics
  26. Ethical Identity3▲ 14×1 topic
  27. Shariah Supervision3▲ 14×1 topic
  28. Smart Cities3▲ 5.8×3 topics
  29. Agrobacterium-Mediated Transformation2▲ 34×1 topic
  30. Earnings Management2▲ 13×2 topics
  31. Financial Reporting2▲ 10×3 topics
  32. Plant Secondary Metabolites2▲ 18×1 topic
  33. Fiber Reinforced Concrete2▲ 15×1 topic
  34. Fly Ash2▲ 11×2 topics
  35. Ultra-High Performance Concrete2▲ 15×1 topic
  36. Information Asymmetry2▲ 22×2 topics
  37. Alkali-Activated Materials2▲ 13×1 topic
  38. Cementitious Materials2▲ 13×1 topic
  39. Accounting Quality2▲ 24×1 topic
  40. Audit Committee2▲ 24×1 topic

Which research topics does Amran University publish most on?

By volume in 2022-now: Polymer Nanocomposite Synthesis and Irradiation, Conducting polymers and applications, Islamic Finance and Banking Studies and Plant tissue culture and regeneration.

Polymer Nanocomposite Sy…4Polymer Nanocomposite Synthesis and Irradiation: 4 fractional worksConducting polymers and …3Conducting polymers and applications: 3 fractional worksIslamic Finance and Bank…3Islamic Finance and Banking Studies: 3 fractional worksPlant tissue culture and…2Plant tissue culture and regeneration: 2 fractional worksInnovative concrete reinforcement materials: 2 fractional worksConcrete and Cement Materials Research: 2 fractional worksDielectric materials and…2Dielectric materials and actuators: 2 fractional worksAuditing, Earnings Manag…2Auditing, Earnings Management, Governance: 2 fractional worksAdvanced Topics in Algebra2Advanced Topics in Algebra: 2 fractional worksOrganizational and Emplo…2Organizational and Employee Performance: 2 fractional works
Polymers and PlasticsAccountingMolecular BiologyCivil and Structural Engineering3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Polymer Nanocomposite Synthesis and Irradiation Polymers and Plastics 4 works
  2. 2 Conducting polymers and applications Polymers and Plastics 3 works
  3. 3 Islamic Finance and Banking Studies Accounting 3 works
  4. 4 Plant tissue culture and regeneration Molecular Biology 2 works
  5. 5 Innovative concrete reinforcement materials Civil and Structural Engineering 2 works
  6. 6 Concrete and Cement Materials Research Civil and Structural Engineering 2 works
  7. 7 Dielectric materials and actuators Biomedical Engineering 2 works
  8. 8 Auditing, Earnings Management, Governance Accounting 2 works
  9. 9 Advanced Topics in Algebra Algebra and Number Theory 2 works
  10. 10 Organizational and Employee Performance Artificial Intelligence 2 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available71.7%not open28.3%

World: 40% of research is openly available.

with international co-authors55.7%domestic only44.3%

World: 18% is written across borders.

How has Amran University's research output changed?

Output in 2022-2025 was 78% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Amran University as a percentage of every work published that year, 0.00070% in 2024.

still counting0.00025%0.00050%0.00075%Amran University0.00072% in 202519801990200020102020

Fractional works of Amran University over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting10%20%30%Amran University13.6% in 2025all institutions10.0% in 20252020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 25.7% in 2019.

Other research institutions in ‘Amrān

All research institutions in ‘Amrān

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Amran University on Science Explorer

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