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City · Iran

Research in Zanjān

Science Explorer records 4 research institutions in Zanjān, Iran. The highest-ranked on research quality in 2022-now are University of Zanjan, Zanjan University of Medical Sciences and Institute for Advanced Studies in Basic Sciences.

Research institutions
4
3 of them ranked worldwide
Research works
13k
▼ 14% vs 2018-21
Citations
175k
13.7 per fractional work, all time
Top-10% rate, 2022-now
15.9%
all institutions 10.0%
Active span
1959-2026
68 years on the record
Zanjān

A city carries no overall standing here. The quality score is built for institutions and countries, the units its floors and field normalisation were designed around. An empty rank on this page is a statement about the measure, not about the place.

Which research institutions are in Zanjān?

#InstitutionWorksAgainst the largest hereWorld rank
1University of ZanjanUniversity 5,806 #4,562
2Zanjan University of Medical SciencesUniversity 2,992 #10,623
3Institute for Advanced Studies in Basic SciencesUniversity 2,561 #10,678
4PNPE Company (Iran)Company 126 #30,542 all time

By fractional works over the whole record; world rank on research quality in 2022-now. Bars are scaled to the largest institution in this city, not to anything off the page.

How concentrated the city is

The same institutions as shares of everything the list accounts for. A city that is one university and a city that is twelve read alike as a table and not at all alike here.

University of Zanjan: 50.6%Zanjan University of Medical Sciences: 26.1%Institute for Advanced Studies in Basic Sciences: 22.3%PNPE Company (Iran): 1.1%51%largest
University of Zanjan5,806 · 50.6%Zanjan University of Medical Sciences2,992 · 26.1%Institute for Advanced Studies in Basic Sciences2,561 · 22.3%PNPE Company (Iran)126 · 1.1%

Shares of the rows listed above, not of the whole node.

Which fields of science does Zanjān work in?

In 2022-now, 53% of research in Zanjān is in Physical Sciences, 21% in Health Sciences. Its largest fields are Engineering (18%), Medicine (17%), Materials Science (8%). It does 1.4× the world's share of Physical Sciences.

Physical Sciences: 1,825 fractional works · 52.7% of its workEngineering: 607 fractional works · 17.5% of its workElectrical and Electronic Engineering: 149 fractional works · 4.3% of its workBiomedical Engineering: 100 fractional works · 2.9% of its workCivil and Structural Engineering: 100 fractional works · 2.9% of its workMechanical Engineering: 61 fractional works · 1.8% of its workControl and Systems Engineering: 56 fractional works · 1.6% of its workMechanics of Materials: 40 fractional works · 1.2% of its workAerospace Engineering: 24 fractional works · 0.7% of its workBuilding and Construction: 17 fractional works · 0.5% of its workOcean Engineering: 17 fractional works · 0.5% of its workComputational Mechanics: 15 fractional works · 0.4% of its workSafety, Risk, Reliability and Quality: 8 fractional works · 0.2% of its workAutomotive Engineering: 7 fractional works · 0.2% of its workSmaller subfields together: 11 fractional works · 0.3% of its workMaterials Science: 278 fractional works · 8.0% of its workMaterials Chemistry: 157 fractional works · 4.5% of its workBiomaterials: 62 fractional works · 1.8% of its workPolymers and Plastics: 29 fractional works · 0.8% of its workElectronic, Optical and Magnetic Materials: 19 fractional works · 0.6% of its workSmaller subfields together: 11 fractional works · 0.3% of its workEnvironmental Science: 185 fractional works · 5.4% of its workGlobal and Planetary Change: 38 fractional works · 1.1% of its workWater Science and Technology: 34 fractional works · 1.0% of its workEnvironmental Engineering: 29 fractional works · 0.8% of its workHealth, Toxicology and Mutagenesis: 18 fractional works · 0.5% of its workPollution: 18 fractional works · 0.5% of its workEcology: 16 fractional works · 0.5% of its workIndustrial and Manufacturing Engineering: 14 fractional works · 0.4% of its workManagement, Monitoring, Policy and Law: 9 fractional works · 0.3% of its workSmaller subfields together: 8 fractional works · 0.2% of its workChemistry: 179 fractional works · 5.2% of its workOrganic Chemistry: 101 fractional works · 2.9% of its workAnalytical Chemistry: 25 fractional works · 0.7% of its workInorganic Chemistry: 25 fractional works · 0.7% of its workSpectroscopy: 13 fractional works · 0.4% of its workElectrochemistry: 13 fractional works · 0.4% of its workSmaller subfields together: 2 fractional works · 0.1% of its workComputer Science: 173 fractional works · 5.0% of its workArtificial Intelligence: 59 fractional works · 1.7% of its workComputational Theory and Mathematics: 48 fractional works · 1.4% of its workComputer Vision and Pattern Recognition: 22 fractional works · 0.6% of its workComputer Networks and Communications: 17 fractional works · 0.5% of its workInformation Systems: 13 fractional works · 0.4% of its workSmaller subfields together: 13 fractional works · 0.4% of its workPhysics and Astronomy: 133 fractional works · 3.8% of its workAtomic and Molecular Physics, and Optics: 58 fractional works · 1.7% of its workAstronomy and Astrophysics: 28 fractional works · 0.8% of its workStatistical and Nonlinear Physics: 24 fractional works · 0.7% of its workCondensed Matter Physics: 11 fractional works · 0.3% of its workSmaller subfields together: 13 fractional works · 0.4% of its workMathematics: 98 fractional works · 2.8% of its workApplied Mathematics: 21 fractional works · 0.6% of its workGeometry and Topology: 21 fractional works · 0.6% of its workMathematical Physics: 13 fractional works · 0.4% of its workAlgebra and Number Theory: 11 fractional works · 0.3% of its workStatistics and Probability: 9 fractional works · 0.3% of its workDiscrete Mathematics and Combinatorics: 8 fractional works · 0.2% of its workNumerical Analysis: 7 fractional works · 0.2% of its workSmaller subfields together: 8 fractional works · 0.2% of its workEarth and Planetary Sciences: 90 fractional works · 2.6% of its workGeophysics: 30 fractional works · 0.9% of its workAtmospheric Science: 23 fractional works · 0.7% of its workOceanography: 10 fractional works · 0.3% of its workGeochemistry and Petrology: 9 fractional works · 0.3% of its workPaleontology: 8 fractional works · 0.2% of its workEarth-Surface Processes: 7 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.1% of its workEnergy: 60 fractional works · 1.7% of its workRenewable Energy, Sustainability and the Environment: 54 fractional works · 1.6% of its workSmaller subfields together: 6 fractional works · 0.2% of its workChemical Engineering: 21 fractional works · 0.6% of its workCatalysis: 8 fractional works · 0.2% of its workSmaller subfields together: 13 fractional works · 0.4% of its workHealth Sciences: 721 fractional works · 20.8% of its workMedicine: 582 fractional works · 16.8% of its workPublic Health, Environmental and Occupational Health: 55 fractional works · 1.6% of its workSurgery: 46 fractional works · 1.3% of its workOncology: 43 fractional works · 1.2% of its workEpidemiology: 39 fractional works · 1.1% of its workPhysiology: 37 fractional works · 1.1% of its workPulmonary and Respiratory Medicine: 34 fractional works · 1.0% of its workInfectious Diseases: 33 fractional works · 0.9% of its workCardiology and Cardiovascular Medicine: 25 fractional works · 0.7% of its workPharmacology: 21 fractional works · 0.6% of its workEndocrinology, Diabetes and Metabolism: 21 fractional works · 0.6% of its workRadiology, Nuclear Medicine and Imaging: 19 fractional works · 0.6% of its workPathology and Forensic Medicine: 19 fractional works · 0.5% of its workPsychiatry and Mental health: 17 fractional works · 0.5% of its workPediatrics, Perinatology and Child Health: 17 fractional works · 0.5% of its workObstetrics and Gynecology: 16 fractional works · 0.4% of its workNeurology: 15 fractional works · 0.4% of its workComplementary and alternative medicine: 15 fractional works · 0.4% of its workReproductive Medicine: 14 fractional works · 0.4% of its workRehabilitation: 12 fractional works · 0.3% of its workRheumatology: 10 fractional works · 0.3% of its workBiochemistry: 8 fractional works · 0.2% of its workSmaller subfields together: 68 fractional works · 2.0% of its workHealth Professions: 73 fractional works · 2.1% of its workGeneral Health Professions: 35 fractional works · 1.0% of its workEmergency Medical Services: 12 fractional works · 0.3% of its workSmaller subfields together: 26 fractional works · 0.7% of its workNursing: 31 fractional works · 0.9% of its workNutrition and Dietetics: 26 fractional works · 0.7% of its workSmaller subfields together: 5 fractional works · 0.1% of its workDentistry: 31 fractional works · 0.9% of its workOral Surgery: 11 fractional works · 0.3% of its workPeriodontics: 9 fractional works · 0.2% of its workSmaller subfields together: 11 fractional works · 0.3% of its workVeterinary: 5 fractional works · 0.1% of its workLife Sciences: 551 fractional works · 15.9% of its workBiochemistry, Genetics and Molecular Biology: 225 fractional works · 6.5% of its workMolecular Biology: 131 fractional works · 3.8% of its workGenetics: 23 fractional works · 0.7% of its workCancer Research: 20 fractional works · 0.6% of its workMolecular Medicine: 16 fractional works · 0.5% of its workCell Biology: 10 fractional works · 0.3% of its workSmaller subfields together: 25 fractional works · 0.7% of its workAgricultural and Biological Sciences: 206 fractional works · 5.9% of its workPlant Science: 100 fractional works · 2.9% of its workFood Science: 40 fractional works · 1.1% of its workAnimal Science and Zoology: 17 fractional works · 0.5% of its workEcology, Evolution, Behavior and Systematics: 12 fractional works · 0.4% of its workSoil Science: 11 fractional works · 0.3% of its workInsect Science: 10 fractional works · 0.3% of its workAgronomy and Crop Science: 9 fractional works · 0.3% of its workSmaller subfields together: 7 fractional works · 0.2% of its workNeuroscience: 58 fractional works · 1.7% of its workCognitive Neuroscience: 18 fractional works · 0.5% of its workNeurology: 14 fractional works · 0.4% of its workCellular and Molecular Neuroscience: 12 fractional works · 0.3% of its workSmaller subfields together: 14 fractional works · 0.4% of its workImmunology and Microbiology: 36 fractional works · 1.0% of its workImmunology: 23 fractional works · 0.7% of its workSmaller subfields together: 12 fractional works · 0.4% of its workPharmacology, Toxicology and Pharmaceutics: 27 fractional works · 0.8% of its workPharmacology: 11 fractional works · 0.3% of its workPharmaceutical Science: 11 fractional works · 0.3% of its workSmaller subfields together: 5 fractional works · 0.1% of its workSocial Sciences: 367 fractional works · 10.6% of its workPsychology: 142 fractional works · 4.1% of its workClinical Psychology: 78 fractional works · 2.2% of its workSocial Psychology: 33 fractional works · 0.9% of its workExperimental and Cognitive Psychology: 15 fractional works · 0.4% of its workDevelopmental and Educational Psychology: 11 fractional works · 0.3% of its workSmaller subfields together: 6 fractional works · 0.2% of its workSocial Sciences: 116 fractional works · 3.3% of its workEducation: 39 fractional works · 1.1% of its workSociology and Political Science: 35 fractional works · 1.0% of its workHealth: 9 fractional works · 0.3% of its workPolitical Science and International Relations: 9 fractional works · 0.3% of its workSmaller subfields together: 24 fractional works · 0.7% of its workBusiness, Management and Accounting: 35 fractional works · 1.0% of its workStrategy and Management: 9 fractional works · 0.3% of its workOrganizational Behavior and Human Resource Management: 9 fractional works · 0.2% of its workSmaller subfields together: 17 fractional works · 0.5% of its workArts and Humanities: 29 fractional works · 0.8% of its workEconomics, Econometrics and Finance: 25 fractional works · 0.7% of its workEconomics and Econometrics: 16 fractional works · 0.5% of its workSmaller subfields together: 9 fractional works · 0.3% of its workDecision Sciences: 20 fractional works · 0.6% of its workManagement Science and Operations Research: 13 fractional works · 0.4% of its workSmaller subfields together: 8 fractional works · 0.2% of its workALL ITS WORKZanjān3,463fractional works, 2022-now
Life Sciences16%Physical Sciences53%Health Sciences21%Social Sciences11%

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 city does than the world.

Its 4 domains and 26 fields, with their numbers
    1. Engineering60717.5%
    2. Materials Science2788.0%
    3. Environmental Science1855.4%
    4. Chemistry1795.2%
    5. Computer Science1735.0%
    6. Physics and Astronomy1333.8%
    7. Mathematics982.8%
    8. Earth and Planetary Sciences902.6%
    9. Energy601.7%
    10. Chemical Engineering210.6%
    1. Medicine58216.8%
    2. Health Professions732.1%
    3. Nursing310.9%
    4. Dentistry310.9%
    5. Veterinary50.1%
    1. Biochemistry, Genetics and Molecular Biology2256.5%
    2. Agricultural and Biological Sciences2065.9%
    3. Neuroscience581.7%
    4. Immunology and Microbiology361.0%
    5. Pharmacology, Toxicology and Pharmaceutics270.8%
    1. Psychology1424.1%
    2. Social Sciences1163.3%
    3. Business, Management and Accounting351.0%
    4. Arts and Humanities290.8%
    5. Economics, Econometrics and Finance250.7%
    6. Decision Sciences200.6%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What is Zanjān strongest at in research?

Relative to its size, research in Zanjān is most concentrated in Biomaterials, Organic Chemistry and Analytical Chemistry (4.0× the world share in Biomaterials).

  1. BiomaterialsSubfield · 54.9 works4.0×
  2. Organic ChemistrySubfield · 95.4 works4.0×
  3. Analytical ChemistrySubfield · 23.9 works3.9×
← less than its size predicts1×more →

Location quotient against the world baseline. Inside a single field a city is a meaningful unit, which is why this is where a city is measured at all.

The whole field profile

All 26 fields at once: above the ring is more than a place this size would be expected to do. A specialist and a generalist produce the same ranked list and a completely different shape.

Agricultural and Biological Sciences: 1.26× its world share, 190 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.20× its world share, 204 worksBiochemistry, Geneti…Immunology and Microbiology: 1.01× its world share, 32 worksImmunology and Micro…Neuroscience: 0.99× its world share, 51 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.17× its world share, 24 worksPharmacology, Toxico…Chemical Engineering: 1.63× its world share, 18 worksChemical EngineeringChemistry: 3.40× its world share, 169 worksChemistryComputer Science: 0.63× its world share, 155 worksComputer ScienceEarth and Planetary Sciences: 1.56× its world share, 78 worksEarth and Planetary …Energy: 1.89× its world share, 55 worksEnergyEngineering: 1.19× its world share, 568 worksEngineeringEnvironmental Science: 1.06× its world share, 166 worksEnvironmental ScienceMaterials Science: 2.29× its world share, 254 worksMaterials ScienceMathematics: 2.41× its world share, 90 worksMathematicsPhysics and Astronomy: 1.66× its world share, 117 worksPhysics and AstronomyDentistry: 1.80× its world share, 28 worksDentistryHealth Professions: 0.81× its world share, 68 worksHealth ProfessionsMedicine: 0.88× its world share, 534 worksMedicineNursing: 1.80× its world share, 28 worksNursingVeterinary: 1.11× its world share, 5 worksVeterinaryArts and Humanities: 0.28× its world share, 26 worksArts and HumanitiesBusiness, Management and Accounting: 0.31× its world share, 32 worksBusiness, Management…Decision Sciences: 0.58× its world share, 18 worksDecision SciencesEconomics, Econometrics and Finance: 0.35× its world share, 24 worksEconomics, Econometr…Psychology: 1.38× its world share, 134 worksPsychologySocial Sciences: 0.27× its world share, 108 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemistry, 3.4×. Every wedge is a field page.

All 26 fields, with their numbers
  1. Chemistry3.40×169 works
  2. Mathematics2.41×90 works
  3. Materials Science2.29×254 works
  4. Pharmacology, Toxicology and Pharmaceutics2.17×24 works
  5. Energy1.89×55 works
  6. Dentistry1.80×28 works
  7. Nursing1.80×28 works
  8. Physics and Astronomy1.66×117 works
  9. Chemical Engineering1.63×18 works
  10. Earth and Planetary Sciences1.56×78 works
  11. Psychology1.38×134 works
  12. Agricultural and Biological Sciences1.26×190 works
  13. Biochemistry, Genetics and Molecular Biology1.20×204 works
  14. Engineering1.19×568 works
  15. Veterinary1.11×5 works
  16. Environmental Science1.06×166 works
  17. Immunology and Microbiology1.01×32 works
  18. Neuroscience0.99×51 works
  19. Medicine0.88×534 works
  20. Health Professions0.81×68 works
  21. Computer Science0.63×155 works
  22. Decision Sciences0.58×18 works
  23. Economics, Econometrics and Finance0.35×24 works
  24. Business, Management and Accounting0.31×32 works
  25. Arts and Humanities0.28×26 works
  26. Social Sciences0.27×108 works

Which keywords describe research in Zanjān?

By fractional works in 2022-now, weighted toward what it does more of than the world: Biomedical Applications, Nanomaterials, Nanoparticles, Nanocomposites, Drug Delivery, Catalysis, Antioxidant and Graphene.

▲ 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 city'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. Biomedical Applications128▲ 3.1×34 topics
  2. Nanoparticles121▲ 2.8×40 topics
  3. Nanomaterials117▲ 3.2×18 topics
  4. Epidemiology116▼ 0.84×117 topics
  5. Inflammation104▲ 1.41×80 topics
  6. Nanocomposites102▲ 3.8×20 topics
  7. Machine Learning95▼ 0.82×68 topics
  8. Oxidative Stress94▲ 1.65×60 topics
  9. Climate Change92◆ 0.97×68 topics
  10. Catalysis83▲ 3.6×28 topics
  11. Drug Delivery82▲ 4.3×15 topics
  12. Antioxidant76▲ 3.2×48 topics
  13. Mental Health75▲ 1.51×32 topics
  14. Graphene73▲ 3.1×11 topics
  15. Cancer72▲ 1.54×53 topics
  16. Depression71▲ 2.3×24 topics
  17. Tissue Engineering67▲ 3.2×12 topics
  18. Quality of Life67▲ 1.33×44 topics
  19. Environmental Impact63◆ 1.06×50 topics
  20. Cancer Therapy53▲ 2.7×19 topics
  21. Toxicity48▲ 3.2×19 topics
  22. Metabolic Syndrome47▲ 1.69×21 topics
  23. Social Support45▲ 2.4×14 topics
  24. Antioxidant Activity44▲ 2.0×30 topics
  25. Water Splitting41▲ 3.2×4 topics
  26. Carbon Nanotubes41▲ 3.5×8 topics
  27. Stress40▲ 3.2×10 topics
  28. Metal-Organic Frameworks38▲ 2.7×6 topics
  29. Antimicrobial37▲ 3.8×14 topics
  30. Reactive Oxygen Species37▲ 2.6×14 topics
  31. Nanostructures36▲ 2.6×15 topics
  32. Self-Efficacy36▲ 4.0×9 topics
  33. Green Synthesis34▲ 5.2×5 topics
  34. Two-Dimensional Materials31▲ 3.9×4 topics
  35. Visible Light30▲ 3.7×3 topics
  36. Hydrogenation30▲ 5.0×5 topics
  37. Tumor Targeting29▲ 4.6×3 topics
  38. Chemoselective27▲ 9.1×4 topics
  39. Educational Achievement21▲ 11×1 topic
  40. Job Stress21▲ 11×1 topic

What research is done in Zanjān?

Health and Well-being St…21Health and Well-being Studies: 21 fractional worksAdvanced Photocatalysis …19Advanced Photocatalysis Techniques: 19 fractional worksNanomaterials for catalytic reactions: 17 fractional worksNanoparticle-Based Drug Delivery: 16 fractional worksElectrochemical Analysis and Applications: 13 fractional worksGraphene and Nanomaterials Applications: 13 fractional worksNanocomposite Films for Food Packaging: 13 fractional worksGraphene research and ap…13Graphene research and applications: 13 fractional worksEssential Oils and Antimicrobial Activity: 12 fractional worksElectrospun Nanofibers in Biomedical Applications: 12 fractional works
Clinical PsychologyRenewable Energy, Sustainability and the EnvironmentOrganic ChemistryBiomaterials4 others

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

  1. 1 Health and Well-being Studies Clinical Psychology 21 works
  2. 2 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 19 works
  3. 3 Nanomaterials for catalytic reactions Organic Chemistry 17 works
  4. 4 Nanoparticle-Based Drug Delivery Biomaterials 16 works
  5. 5 Electrochemical Analysis and Applications Electrochemistry 13 works
  6. 6 Graphene and Nanomaterials Applications Biomedical Engineering 13 works
  7. 7 Nanocomposite Films for Food Packaging Biomaterials 13 works
  8. 8 Graphene research and applications Materials Chemistry 13 works
  9. 9 Essential Oils and Antimicrobial Activity Food Science 12 works
  10. 10 Electrospun Nanofibers in Biomedical Applications Biomaterials 12 works

Research output over time

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more.

How much of it reaches the world top 10%

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

still counting10%20%Zanjān14.7% in 2025all institutions10.0% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 19.0% in 2001.

Discussion

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