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Research in Hefei

Science Explorer records 4 research institutions in Hefei. The highest-ranked on research quality in 2022-now are Anhui Jiyuan Software and State Key Laboratory of Pulsed Power Laser Technology.

Research institutions
4
2 of them ranked worldwide
Research works
664
▲ 13% vs 2018-21
Citations
5.9k
8.9 per fractional work, all time
Top-10% rate, 2022-now
6.7%
all institutions 10.0%
Active span
1996-2026
31 years on the record
Hefei

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 Hefei?

#InstitutionWorksAgainst the largest hereWorld rank
1State Key Laboratory of Pulsed Power Laser TechnologyResearch facility 350 #22,127
2Anhui Jiyuan SoftwareCompany 109 #21,890
3State Key Laboratory of Compressor TechnologyResearch facility 61 not ranked
4IFlyTek (China)Company 0 not ranked

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.

State Key Laboratory of Pulsed Power Laser Technology: 67.3%Anhui Jiyuan Software: 21.0%State Key Laboratory of Compressor Technology: 11.7%67%largest
State Key Laboratory of Pulsed Power Laser Technology350 · 67.3%Anhui Jiyuan Software109 · 21.0%State Key Laboratory of Compressor Technology61 · 11.7%

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

Which fields of science does Hefei work in?

In 2022-now, 94% of research in Hefei is in Physical Sciences, 4% in Social Sciences. Its largest fields are Engineering (56%), Computer Science (17%), Physics and Astronomy (9%). It does 2.4× the world's share of Physical Sciences.

Physical Sciences: 181 fractional works · 93.7% of its workEngineering: 108 fractional works · 56.2% of its workElectrical and Electronic Engineering: 50 fractional works · 25.8% of its workControl and Systems Engineering: 15 fractional works · 7.9% of its workMechanical Engineering: 11 fractional works · 5.9% of its workAerospace Engineering: 8 fractional works · 4.3% of its workMedia Technology: 4 fractional works · 1.8% of its workIndustrial and Manufacturing Engineering: 3 fractional works · 1.8% of its workBiomedical Engineering: 3 fractional works · 1.6% of its workComputational Mechanics: 3 fractional works · 1.5% of its workMechanics of Materials: 3 fractional works · 1.4% of its workOcean Engineering: 2 fractional works · 1.1% of its workSafety, Risk, Reliability and Quality: 2 fractional works · 1.0% of its workCivil and Structural Engineering: 2 fractional works · 0.8% of its workAutomotive Engineering: 1 fractional works · 0.7% of its workBuilding and Construction: 1 fractional works · 0.5% of its workComputer Science: 33 fractional works · 17.2% of its workArtificial Intelligence: 11 fractional works · 5.5% of its workComputer Vision and Pattern Recognition: 10 fractional works · 5.4% of its workComputer Networks and Communications: 8 fractional works · 4.2% of its workInformation Systems: 2 fractional works · 1.0% of its workSignal Processing: 1 fractional works · 0.5% of its workComputational Theory and Mathematics: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPhysics and Astronomy: 18 fractional works · 9.3% of its workAtomic and Molecular Physics, and Optics: 14 fractional works · 7.1% of its workInstrumentation: 2 fractional works · 1.2% of its workStatistical and Nonlinear Physics: 1 fractional works · 0.4% of its workAcoustics and Ultrasonics: 1 fractional works · 0.3% of its workNuclear and High Energy Physics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workMaterials Science: 11 fractional works · 5.9% of its workMaterials Chemistry: 6 fractional works · 3.2% of its workElectronic, Optical and Magnetic Materials: 2 fractional works · 0.9% of its workPolymers and Plastics: 1 fractional works · 0.8% of its workBiomaterials: 1 fractional works · 0.5% of its workSurfaces, Coatings and Films: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 4 fractional works · 1.9% of its workEnvironmental Engineering: 2 fractional works · 1.1% of its workGlobal and Planetary Change: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.4% of its workEnergy: 3 fractional works · 1.5% of its workRenewable Energy, Sustainability and the Environment: 3 fractional works · 1.5% of its workChemistry: 1 fractional works · 0.7% of its workSpectroscopy: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 1 fractional works · 0.5% of its workAtmospheric Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workChemical Engineering: 1 fractional works · 0.5% of its workFluid Flow and Transfer Processes: 0 fractional works · 0.3% of its workCatalysis: 0 fractional works · 0.2% of its workMathematics: 0 fractional works · 0.1% of its workSocial Sciences: 7 fractional works · 3.7% of its workDecision Sciences: 3 fractional works · 1.4% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.6% of its workInformation Systems and Management: 1 fractional works · 0.5% of its workManagement Science and Operations Research: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 2 fractional works · 1.3% of its workBusiness and International Management: 1 fractional works · 0.7% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.6% of its workSocial Sciences: 2 fractional works · 0.8% of its workEducation: 1 fractional works · 0.3% of its workUrban Studies: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workPsychology: 0 fractional works · 0.1% of its workHealth Sciences: 3 fractional works · 1.7% of its workMedicine: 3 fractional works · 1.5% of its workOphthalmology: 1 fractional works · 0.7% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 0.3% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workHealth Professions: 0 fractional works · 0.2% of its workLife Sciences: 2 fractional works · 0.9% of its workNeuroscience: 1 fractional works · 0.5% of its workCognitive Neuroscience: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 0.3% of its workAgricultural and Biological Sciences: 0 fractional works · 0.1% of its workALL ITS WORKHefei193fractional works, 2022-now
Life Sciences1%Physical Sciences94%Health Sciences2%Social Sciences4%

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 20 fields, with their numbers
    1. Engineering10856.2%
    2. Computer Science3317.2%
    3. Physics and Astronomy189.3%
    4. Materials Science115.9%
    5. Environmental Science41.9%
    6. Energy31.5%
    7. Chemistry10.7%
    8. Earth and Planetary Sciences10.5%
    9. Chemical Engineering10.5%
    10. Mathematics00.1%
    1. Decision Sciences31.4%
    2. Business, Management and Accounting21.3%
    3. Social Sciences20.8%
    4. Economics, Econometrics and Finance00.1%
    5. Psychology00.1%
    1. Medicine31.5%
    2. Health Professions00.2%
    1. Neuroscience10.5%
    2. Biochemistry, Genetics and Molecular Biology10.3%
    3. Agricultural and Biological Sciences00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What is Hefei strongest at in research?

Relative to its size, research in Hefei is most concentrated in Electrical and Electronic Engineering (7.2× the world share in Electrical and Electronic Engineering).

  1. Electrical and Electronic EngineeringSubfield · 48.4 works7.2×
← 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 22 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.

Biochemistry, Genetics and Molecular Biology: 0.07× its world share, 1 worksBiochemistry, Geneti…Neuroscience: 0.33× its world share, 1 worksNeuroscienceChemical Engineering: 1.35× its world share, 1 worksChemical EngineeringChemistry: 0.44× its world share, 1 worksChemistryComputer Science: 2.25× its world share, 33 worksComputer ScienceEarth and Planetary Sciences: 0.31× its world share, 1 worksEarth and Planetary …Energy: 1.53× its world share, 3 worksEnergyEngineering: 3.75× its world share, 106 worksEngineeringEnvironmental Science: 0.39× its world share, 4 worksEnvironmental ScienceMaterials Science: 1.55× its world share, 10 worksMaterials ScienceMathematics: 0.10× its world share, 0 worksMathematicsPhysics and Astronomy: 4.25× its world share, 18 worksPhysics and AstronomyHealth Professions: 0.07× its world share, 0 worksHealth ProfessionsMedicine: 0.08× its world share, 3 worksMedicineBusiness, Management and Accounting: 0.41× its world share, 2 worksBusiness, Management…Decision Sciences: 1.43× its world share, 3 worksDecision SciencesEconomics, Econometrics and Finance: 0.06× its world share, 0 worksEconomics, Econometr…Psychology: 0.03× its world share, 0 worksPsychologySocial Sciences: 0.06× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 4.2×. Every wedge is a field page.

All 19 fields, with their numbers
  1. Physics and Astronomy4.25×18 works
  2. Engineering3.75×106 works
  3. Computer Science2.25×33 works
  4. Materials Science1.55×10 works
  5. Energy1.53×3 works
  6. Decision Sciences1.43×3 works
  7. Chemical Engineering1.35×1 works
  8. Chemistry0.44×1 works
  9. Business, Management and Accounting0.41×2 works
  10. Environmental Science0.39×4 works
  11. Neuroscience0.33×1 works
  12. Earth and Planetary Sciences0.31×1 works
  13. Mathematics0.10×0 works
  14. Medicine0.08×3 works
  15. Biochemistry, Genetics and Molecular Biology0.07×1 works
  16. Health Professions0.07×0 works
  17. Economics, Econometrics and Finance0.06×0 works
  18. Social Sciences0.06×2 works
  19. Psychology0.03×0 works

Which keywords describe research in Hefei?

By fractional works in 2022-now, weighted toward what it does more of than the world: Deep Learning, Nonlinear Optics, Fiber Lasers, Optical Fiber, Gas Sensing, High-Power Laser, Supercontinuum Generation and Microwave Photonics.

▲ 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. Deep Learning29▲ 4.4×48 topics
  2. Nonlinear Optics22▲ 107×4 topics
  3. Fiber Lasers22▲ 121×3 topics
  4. Machine Learning15▲ 2.3×20 topics
  5. Optical Fiber13▲ 65×3 topics
  6. Gas Sensing13▲ 156×2 topics
  7. High-Power Laser12▲ 346×1 topic
  8. Supercontinuum Generation12▲ 346×1 topic
  9. Microwave Photonics10▲ 65×2 topics
  10. Microresonators10▲ 66×3 topics
  11. Optical Frequency Combs10▲ 95×1 topic
  12. Ultrafast Lasers10▲ 95×1 topic
  13. Neural Networks9▲ 2.9×17 topics
  14. Structural Health Monitoring8▲ 56×2 topics
  15. Smart Grid8▲ 12×6 topics
  16. Fiber Optic Sensors8▲ 84×1 topic
  17. Sensor Technology8▲ 84×1 topic
  18. Energy Efficiency8▲ 4.3×14 topics
  19. Convolutional Neural Networks7▲ 4.7×10 topics
  20. Internet of Things6▲ 3.9×13 topics
  21. Wavelet Transform6▲ 14×6 topics
  22. Security6▲ 4.8×9 topics
  23. Remote Sensing6▲ 2.6×16 topics
  24. Wireless Sensor Networks5▲ 5.6×11 topics
  25. Coherent Detection4▲ 54×1 topic
  26. Cyber-Physical Systems4▲ 8.6×4 topics
  27. Digital Signal Processing4▲ 48×1 topic
  28. Vibration Analysis4▲ 8.1×5 topics
  29. Fault Diagnosis4▲ 15×4 topics
  30. Thermodynamic Analysis4▲ 33×3 topics
  31. Privacy4▲ 7.0×3 topics
  32. Detection4▲ 7.1×5 topics
  33. Anomaly Detection4▲ 6.5×4 topics
  34. Computer Vision4▲ 6.6×4 topics
  35. Communication Networks3▲ 32×1 topic
  36. False Data Injection Attacks3▲ 32×1 topic
  37. Pulsed Power3▲ 107×2 topics
  38. Sparse Representation3▲ 9.2×4 topics
  39. Machine Vision3▲ 7.9×3 topics
  40. Image Classification3▲ 8.6×2 topics

What research is done in Hefei?

Photonic Crystal and Fib…12Photonic Crystal and Fiber Optics: 12 fractional worksAdvanced Fiber Laser Technologies: 10 fractional worksAdvanced Fiber Optic Sensors: 8 fractional worksOptical Network Technologies: 4 fractional worksSmart Grid Security and Resilience: 3 fractional worksIndustrial Vision System…3Industrial Vision Systems and Defect Detection: 3 fractional worksMachine Fault Diagnosis Techniques: 3 fractional worksRefrigeration and Air Conditioning Technologies: 3 fractional worksPulsed Power Technology Applications: 3 fractional worksQuantum Computing Algorithms and Architecture: 2 fractional works
Electrical and Electronic EngineeringAtomic and Molecular Physics, and OpticsControl and Systems EngineeringIndustrial and Manufacturing Engineering2 others

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

  1. 1 Photonic Crystal and Fiber Optics Electrical and Electronic Engineering 12 works
  2. 2 Advanced Fiber Laser Technologies Atomic and Molecular Physics, and Optics 10 works
  3. 3 Advanced Fiber Optic Sensors Electrical and Electronic Engineering 8 works
  4. 4 Optical Network Technologies Electrical and Electronic Engineering 4 works
  5. 5 Smart Grid Security and Resilience Control and Systems Engineering 3 works
  6. 6 Industrial Vision Systems and Defect Detection Industrial and Manufacturing Engineering 3 works
  7. 7 Machine Fault Diagnosis Techniques Control and Systems Engineering 3 works
  8. 8 Refrigeration and Air Conditioning Technologies Mechanical Engineering 3 works
  9. 9 Pulsed Power Technology Applications Control and Systems Engineering 3 works
  10. 10 Quantum Computing Algorithms and Architecture Artificial Intelligence 2 works

Research output over time

still counting200020052010201520202025
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%Hefei15.0% 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 20.0% in 2018.

Discussion

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