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University · Yantai · China

Ludong University

In research, Ludong University stands highest in Physical Sciences (#1,027 of 12,888 worldwide), Engineering (#919 of 6,636 worldwide) and Biomedical Engineering (#336 of 1,568 worldwide), 2022–2025. Relative to its size it is most specialised in Oceanography, Control and Systems Engineering and Polymers and Plastics — Oceanography is 4.3× its share of world research.

english.ldu.edu.cnROR OpenAlex
World rank, 2022–2025
#1,543
of 28,054 · #3,561 all time
Rank in China
#449
of 3,058
Research works
7.4k
▲ 41% vs 2013–17
Citations
78k
10.6 per fractional work
Top-10% rate
19.9%
record average 16.5%
Open access
23%
world 28%

What is Ludong University known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #1,027 of 12,888 17.5%1,386 #2503
EngineeringField #919 of 6,636 19.7%507 #2047
Biomedical EngineeringSubfield #336 of 1,568 29.1%93 #1150
Materials ScienceField #568 of 2,468 17.7%229 #1519
Agricultural and Biological SciencesField #1,063 of 3,409 31.6%190 #2116
Life SciencesDomain #2,461 of 7,800 24.6%379 #5219
Social SciencesDomain #3,497 of 10,521 26.7%152 #6555
Environmental ScienceField #1,384 of 3,551 20.9%166 #2339
Plant ScienceSubfield #633 of 1,395 34.6%105 #1500
Health SciencesDomain #5,605 of 11,982 27.1%85 #13057

Each strip is that field’s whole ranked pool, with the notch where Ludong 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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Physical Sciences#2,503 #1,027
  2. Engineering#2,047 #919
  3. Biomedical Engineering#1,150 #336
  4. Materials Science#1,519 #568
  5. Agricultural and Biological Sciences#2,116 #1,063
  6. Life Sciences#5,219 #2,461
  7. Social Sciences#6,555 #3,497
  8. Environmental Science#2,339 #1,384
  9. Plant Science#1,500 #633
  10. Health Sciences#13,057 #5,605
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Ludong University specialise in?

Where its research is concentrated relative to its size: Oceanography takes 4.3× the share of its output that it takes of world research.

  1. OceanographySubfield · 24.4 works4.3×
  2. Control and Systems EngineeringSubfield · 92.8 works4.3×
  3. Polymers and PlasticsSubfield · 28.8 works3.6×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 2.00× its world share, 190 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.22× its world share, 130 worksBiochemistry, Geneti…Immunology and Microbiology: 1.74× its world share, 35 worksImmunology and Micro…Neuroscience: 0.51× its world share, 17 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.93× its world share, 7 worksPharmacology, Toxico…Chemical Engineering: 2.01× its world share, 14 worksChemical EngineeringChemistry: 2.74× its world share, 86 worksChemistryComputer Science: 1.13× its world share, 176 worksComputer ScienceEarth and Planetary Sciences: 1.95× its world share, 61 worksEarth and Planetary …Energy: 2.79× its world share, 51 worksEnergyEngineering: 1.69× its world share, 507 worksEngineeringEnvironmental Science: 1.67× its world share, 166 worksEnvironmental ScienceMaterials Science: 3.28× its world share, 229 worksMaterials ScienceMathematics: 1.59× its world share, 38 worksMathematicsPhysics and Astronomy: 1.31× its world share, 58 worksPhysics and AstronomyDentistry: 0.02× its world share, 0 worksDentistryHealth Professions: 0.12× its world share, 6 worksHealth ProfessionsMedicine: 0.18× its world share, 71 worksMedicineNursing: 0.79× its world share, 8 worksNursingVeterinary: 0.15× its world share, 0 worksVeterinaryArts and Humanities: 0.12× its world share, 7 worksArts and HumanitiesBusiness, Management and Accounting: 0.30× its world share, 19 worksBusiness, Management…Decision Sciences: 0.45× its world share, 9 worksDecision SciencesEconomics, Econometrics and Finance: 0.34× its world share, 15 worksEconomics, Econometr…Psychology: 0.80× its world share, 49 worksPsychologySocial Sciences: 0.21× its world share, 53 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Materials Science, 3.3×. Every wedge is a field page.

Who are the top researchers at Ludong University?

Ranked on the composite score, Wang Qing, Xiaofeng Zhang and Qingtang Su lead among researchers whose main affiliation is Ludong University.

  1. 1 Wang Qing China · #203,717 worldwide 0 citations · 60 works
  2. 2 Xiaofeng Zhang China · #240,960 worldwide 97 citations · 27 works
  3. 3 Qingtang Su China · #296,998 worldwide 137 citations · 21 works
  4. 4 Ying Liu China · #385,748 worldwide 243 citations · 42 works
  5. 5 Yanli Liu China · #389,972 worldwide 147 citations · 43 works
  6. 6 Lingling Li China · #424,524 worldwide 77 citations · 32 works
  7. 7 Hou Chen China · #428,750 worldwide 187 citations · 45 works
  8. 8 Lichun Zhang China · #435,221 worldwide 66 citations · 19 works
  9. 9 Shanmin Gao China · #511,712 worldwide 253 citations · 34 works
  10. 10 Qingtao Gong China · #532,482 worldwide 83 citations · 25 works
All ranked researchers at Ludong University

Which keywords describe research at Ludong University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Nanomaterials, Biomedical Applications, Graphene, Nonlinear Systems, Nanocomposites, Semiconductors, Climate Change and Aquaculture.

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

Size is fractional works in 2022–2025 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. Nanomaterials106▲ 5.0×16 topics
  2. Deep Learning93▲ 1.36×76 topics
  3. Climate Change91▲ 1.68×60 topics
  4. Biomedical Applications86▲ 3.6×31 topics
  5. Nanocomposites65▲ 4.0×20 topics
  6. Graphene64▲ 4.7×11 topics
  7. Energy Storage51▲ 3.9×8 topics
  8. Nonlinear Systems50▲ 12×8 topics
  9. Tissue Engineering48▲ 3.9×10 topics
  10. Semiconductors47▲ 7.7×4 topics
  11. Nanostructures43▲ 5.4×13 topics
  12. Semiconductor42▲ 6.1×7 topics
  13. Aquaculture40▲ 7.7×7 topics
  14. Metal-Organic Frameworks37▲ 4.4×6 topics
  15. Water Splitting37▲ 5.0×4 topics
  16. Drug Delivery36▲ 3.3×14 topics
  17. Efficiency36▲ 5.9×6 topics
  18. Crystal Growth36▲ 6.3×11 topics
  19. Feedback Control33▲ 10×5 topics
  20. Chemical Sensors33▲ 6.9×3 topics
  21. Ecosystem Services33▲ 4.2×6 topics
  22. Stability Analysis32▲ 9.9×5 topics
  23. Visible Light32▲ 6.8×3 topics
  24. Neural Network32▲ 8.2×8 topics
  25. Event-Triggered Control30▲ 23×2 topics
  26. Adaptive Control28▲ 11×3 topics
  27. Energy Harvesting28▲ 7.8×3 topics
  28. Two-Dimensional Materials28▲ 6.1×4 topics
  29. Aerial Vehicles28▲ 28×2 topics
  30. Distributed Control28▲ 12×3 topics
  31. Nanofibers28▲ 6.4×3 topics
  32. Stability28▲ 6.1×7 topics
  33. Sliding Mode Control28▲ 20×2 topics
  34. Robust Control28▲ 18×3 topics
  35. Robotic Manipulators27▲ 14×2 topics
  36. Disturbance Observer27▲ 28×1 topic
  37. Finite-Time Stability27▲ 28×1 topic
  38. Flexible Electronics27▲ 7.9×3 topics
  39. Nanogenerators25▲ 9.4×1 topic
  40. Wearable25▲ 9.4×1 topic

Which research topics does Ludong University publish most on?

By volume in 2022–2025: Adaptive Control of Nonlinear Systems, Advanced Sensor and Energy Harvesting Materials, Advanced Photocatalysis Techniques and Perovskite Materials and Applications.

Adaptive Control of Nonl…27Adaptive Control of Nonlinear Systems: 27 fractional worksAdvanced Sensor and Ener…25Advanced Sensor and Energy Harvesting Materials: 25 fractional worksAdvanced Photocatalysis …25Advanced Photocatalysis Techniques: 25 fractional worksPerovskite Materials and…22Perovskite Materials and Applications: 22 fractional worksConducting polymers and applications: 20 fractional worksGas Sensing Nanomaterials and Sensors: 18 fractional worksStability and Control of…16Stability and Control of Uncertain Systems: 16 fractional worksSupercapacitor Materials and Fabrication: 16 fractional worksFault Detection and Control Systems: 15 fractional worksDistributed Control Mult…14Distributed Control Multi-Agent Systems: 14 fractional works
Control and Systems EngineeringBiomedical EngineeringRenewable Energy, Sustainability and the EnvironmentElectrical and Electronic Engineering3 others

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

  1. 1 Adaptive Control of Nonlinear Systems Control and Systems Engineering 27 works
  2. 2 Advanced Sensor and Energy Harvesting Materials Biomedical Engineering 25 works
  3. 3 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 25 works
  4. 4 Perovskite Materials and Applications Electrical and Electronic Engineering 22 works
  5. 5 Conducting polymers and applications Polymers and Plastics 20 works
  6. 6 Gas Sensing Nanomaterials and Sensors Electrical and Electronic Engineering 18 works
  7. 7 Stability and Control of Uncertain Systems Control and Systems Engineering 16 works
  8. 8 Supercapacitor Materials and Fabrication Electronic, Optical and Magnetic Materials 16 works
  9. 9 Fault Detection and Control Systems Control and Systems Engineering 15 works
  10. 10 Distributed Control Multi-Agent Systems Computer Networks and Communications 14 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 available23.3%not open76.7%

World: 28% of research is openly available.

with international co-authors7.4%domestic only92.6%

World: 19% is written across borders.

How has Ludong University's research output changed?

Output in 2018–2022 was 41% higher than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Yantai

All research institutions in Yantai

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.