Science Explorer Back to mapMap
Discussion
Researcher · University of Colombo · Sri Lanka

R. Hewamanna

R. Hewamanna publishes mostly in Radiological and Ultrasound Technology, Safety, Risk, Reliability and Quality and Global and Planetary Change, on topics such as Radioactivity and Radon Measurements, Nuclear and radioactivity studies and Radioactive contamination and transfer.

OpenAlex
World rank
#4,688,845
of 7,710,434 ranked researchers
Rank in Sri Lanka
#1,725
of 3,827
Works
19
Citations
252
Citations per work
13.3
h-index
5
i10-index 4Top 85% in Radiological and Ultrasound Technology
R. Hewamanna

What does R. Hewamanna research?

R. Hewamanna's work is mostly in Health Professions (24%), Engineering (16%), Environmental Science (12%).

Physical Sciences: 8 works · 40.8% of their workEngineering: 3 works · 16.3% of their workSafety, Risk, Reliability and Quality: 3 works · 16.3% of their workEnvironmental Science: 2 works · 12.2% of their workGlobal and Planetary Change: 2 works · 12.2% of their workMaterials Science: 2 works · 8.2% of their workMaterials Chemistry: 2 works · 8.2% of their workPhysics and Astronomy: 1 works · 4.1% of their workRadiation: 1 works · 4.1% of their workEverything else: 5 works · 28.6% of their workHealth Sciences: 5 works · 24.5% of their workHealth Professions: 5 works · 24.5% of their workRadiological and Ultrasound Technology: 5 works · 24.5% of their workLife Sciences: 1 works · 6.1% of their workAgricultural and Biological Sciences: 1 works · 6.1% of their workPlant Science: 1 works · 6.1% of their workTHEIR WORKR. Hewamanna19works
Life Sciences6%Physical Sciences41%Health Sciences24%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering316.3%
    2. Environmental Science212.2%
    3. Materials Science28.2%
    4. Physics and Astronomy14.1%
  2. Everything else528.6%
    1. Health Professions524.5%
    1. Agricultural and Biological Sciences16.1%
  1. 1Radiological and Ultrasound Technology24% of their works
  2. 2Safety, Risk, Reliability and Quality16% of their works
  3. 3Global and Planetary Change12% of their works
  4. 4Materials Chemistry8% of their works
  5. 5Plant Science6% of their works
  6. 6Radiation4% of their works

Research topics

Which keywords describe R. Hewamanna's research?

The keywords of their largest research topics: Health Effects, Radionuclides, Ionizing Radiation, Lung Cancer, Radon, Nuclear Fuel, Radiation Protection and Fukushima Daiichi.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Health Effects182 topics
  2. Radionuclides182 topics
  3. Ionizing Radiation142 topics
  4. Lung Cancer121 topic
  5. Radon121 topic
  6. Nuclear Fuel81 topic
  7. Radiation Protection81 topic
  8. Fukushima Daiichi61 topic
  9. nuclear accident61 topic
  10. Attenuation Coefficients21 topic
  11. Mutation Breeding21 topic
  12. Nuclear Graphite21 topic
  13. Oxidation Behavior21 topic
  14. Radiation Shielding21 topic
  15. TILLING21 topic
  16. Fish11 topic
  17. Food Irradiation11 topic
  18. Irradiation Effects11 topic
  19. Length-Weight Relationships11 topic

Where does R. Hewamanna work?

R. Hewamanna's main affiliation in the publication record is University of Colombo, Sri Lanka.

How many publications and citations does R. Hewamanna have?

OpenAlex counts 19 works and 252 citations for R. Hewamanna, an h-index of 5, ranking #4,688,845 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

Ask a question or share a note about R. Hewamanna. Posts are plain text and can be reported.