Science Explorer Interactive view Map
Institution · Changsha · China

Hunan Research Academy of Environmental Sciences

In research, Hunan Research Academy of Environmental Sciences stands highest in Physical Sciences (#4,484 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Environmental Science — Environmental Science is 7.5× its share of world research.

hraes.cnROR OpenAlex
World rank, 2022–2025
#7,833
of 28,054 · #14,672 all time
Rank in China
#1,551
of 3,058
Research works
320
▲ 224% vs 2013–17
Citations
8.6k
27.1 per fractional work
Top-10% rate
23.0%
record average 16.5%
Open access
24%
world 28%

What is Hunan Research Academy of Environmental Sciences 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 #4,484 of 12,888 21.9%113 #8443

Each strip is that field’s whole ranked pool, with the notch where Hunan Research Academy of Environmental Sciences 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).

What does Hunan Research Academy of Environmental Sciences specialise in?

Where its research is concentrated relative to its size: Environmental Science takes 7.5× the share of its output that it takes of world research.

  1. Environmental ScienceField · 51.2 works7.5×
← 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: 1.35× its world share, 9 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.54× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.12× its world share, 0 worksImmunology and Micro…Neuroscience: 0.14× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.34× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 4.35× its world share, 2 worksChemical EngineeringChemistry: 2.39× its world share, 5 worksChemistryComputer Science: 0.14× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 3.78× its world share, 8 worksEarth and Planetary …Energy: 6.48× its world share, 8 worksEnergyEngineering: 1.07× its world share, 22 worksEngineeringEnvironmental Science: 7.47× its world share, 51 worksEnvironmental ScienceMaterials Science: 3.05× its world share, 15 worksMaterials SciencePhysics and Astronomy: 0.08× its world share, 0 worksPhysics and AstronomyMedicine: 0.08× its world share, 2 worksMedicineNursing: 0.16× its world share, 0 worksNursingArts and Humanities: 0.64× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.05× its world share, 0 worksBusiness, Management…Decision Sciences: 0.04× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.28× its world share, 1 worksEconomics, Econometr…Psychology: 0.09× its world share, 0 worksPsychologySocial Sciences: 0.27× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 7.5×. Every wedge is a field page.

Which keywords describe research at Hunan Research Academy of Environmental Sciences?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Nanomaterials, Wastewater Treatment, Climate Change, Hydrogen Production, Catalysis, Graphene, Water Splitting and Semiconductor.

▲ 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. Climate Change14▲ 3.8×30 topics
  2. Nanomaterials13▲ 8.7×10 topics
  3. Wastewater Treatment10▲ 31×6 topics
  4. Hydrogen Production10▲ 26×4 topics
  5. Catalysis8▲ 9.2×8 topics
  6. Environmental Impact8▲ 3.2×18 topics
  7. Graphene8▲ 8.1×4 topics
  8. Water Splitting7▲ 14×4 topics
  9. Semiconductor7▲ 15×4 topics
  10. Visible Light7▲ 21×2 topics
  11. Adsorption7▲ 23×6 topics
  12. Photocatalyst7▲ 27×1 topic
  13. Plasmonic7▲ 27×1 topic
  14. Sustainability6▲ 1.89×12 topics
  15. Biochar6▲ 27×4 topics
  16. Heavy Metals6▲ 19×4 topics
  17. Toxicity6▲ 9.7×10 topics
  18. Biomedical Applications6▲ 3.4×13 topics
  19. Pollution5▲ 20×4 topics
  20. Remote Sensing5▲ 3.1×13 topics
  21. Heterogeneous Catalysis5▲ 20×3 topics
  22. Metal-Organic Frameworks5▲ 8.6×4 topics
  23. Nanoparticles5▲ 2.8×8 topics
  24. Land Use Change5▲ 11×7 topics
  25. Contamination4▲ 36×5 topics
  26. Health Effects4▲ 5.3×10 topics
  27. Sediment Transport4▲ 19×4 topics
  28. Hydrological Modeling4▲ 13×4 topics
  29. Waste Management4▲ 7.3×3 topics
  30. Water Treatment4▲ 25×5 topics
  31. Recycling4▲ 7.6×2 topics
  32. Ceria4▲ 23×1 topic
  33. Oxidation4▲ 17×1 topic
  34. Water Resources3▲ 9.8×4 topics
  35. Advanced Oxidation Processes3▲ 56×1 topic
  36. Oxidation Kinetics3▲ 56×1 topic
  37. Nutrient Removal3▲ 31×2 topics
  38. Chemical Sensors3▲ 9.1×3 topics
  39. Microbial Processes3▲ 37×2 topics
  40. Phosphorus3▲ 25×2 topics

Which research topics does Hunan Research Academy of Environmental Sciences publish most on?

By volume in 2022–2025: Advanced Photocatalysis Techniques, Catalytic Processes in Materials Science, Advanced oxidation water treatment and Wastewater Treatment and Nitrogen Removal.

Advanced Photocatalysis …7Advanced Photocatalysis Techniques: 7 fractional worksCatalytic Processes in Materials Science: 4 fractional worksAdvanced oxidation water treatment: 3 fractional worksWastewater Treatment and Nitrogen Removal: 3 fractional worksConstructed Wetlands for Wastewater Treatment: 3 fractional worksHeavy metals in environment: 2 fractional worksMicroplastics and Plasti…2Microplastics and Plastic Pollution: 2 fractional worksAnaerobic Digestion and Biogas Production: 2 fractional worksAdvanced Nanomaterials in Catalysis: 2 fractional worksHydrology and Watershed …2Hydrology and Watershed Management Studies: 2 fractional works
Renewable Energy, Sustainability and the EnvironmentMaterials ChemistryWater Science and TechnologyPollution2 others

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

  1. 1 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 7 works
  2. 2 Catalytic Processes in Materials Science Materials Chemistry 4 works
  3. 3 Advanced oxidation water treatment Water Science and Technology 3 works
  4. 4 Wastewater Treatment and Nitrogen Removal Pollution 3 works
  5. 5 Constructed Wetlands for Wastewater Treatment Industrial and Manufacturing Engineering 3 works
  6. 6 Heavy metals in environment Pollution 2 works
  7. 7 Microplastics and Plastic Pollution Pollution 2 works
  8. 8 Anaerobic Digestion and Biogas Production Building and Construction 2 works
  9. 9 Advanced Nanomaterials in Catalysis Materials Chemistry 2 works
  10. 10 Hydrology and Watershed Management Studies Water Science and Technology 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 available23.9%not open76.1%

World: 28% of research is openly available.

with international co-authors11.9%domestic only88.1%

World: 19% is written across borders.

How has Hunan Research Academy of Environmental Sciences's research output changed?

Output in 2018–2022 was 224% higher than in 2013–2017.

200020102020
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 Changsha

All research institutions in Changsha

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.