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Researcher · Ohu University · Japan

Katsumi Niwa

Katsumi Niwa publishes mostly in Food Science, Radiation and Animal Science and Zoology, on topics such as Radiation Effects and Dosimetry, Nuclear Physics and Applications and Animal Nutrition and Physiology.

OpenAlex
World rank
#5,604,544
of 7,710,434 ranked researchers
Rank in Japan
#194,459
of 383,136
Works
19
Citations
230
Citations per work
12.1
h-index
5
i10-index 4Top 79% in Food Science
Katsumi Niwa

What does Katsumi Niwa research?

Katsumi Niwa's work is mostly in Agricultural and Biological Sciences (29%), Physics and Astronomy (14%), Medicine (7%).

Everything else: 9 works · 45.2% of their workLife Sciences: 5 works · 28.6% of their workAgricultural and Biological Sciences: 5 works · 28.6% of their workFood Science: 3 works · 16.7% of their workAnimal Science and Zoology: 1 works · 7.1% of their workPlant Science: 1 works · 4.8% of their workPhysical Sciences: 3 works · 14.3% of their workPhysics and Astronomy: 3 works · 14.3% of their workRadiation: 3 works · 14.3% of their workHealth Sciences: 1 works · 7.1% of their workMedicine: 1 works · 7.1% of their workRadiology, Nuclear Medicine and Imaging: 1 works · 7.1% of their workSocial Sciences: 1 works · 4.8% of their workSocial Sciences: 1 works · 4.8% of their workTransportation: 1 works · 4.8% of their workTHEIR WORKKatsumi Niwa19works
Life Sciences29%Physical Sciences14%Health Sciences7%Social Sciences5%

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. Everything else945.2%
    1. Agricultural and Biological Sciences528.6%
    1. Physics and Astronomy314.3%
    1. Medicine17.1%
    1. Social Sciences14.8%
  1. 1Food Science17% of their works
  2. 2Radiation14% of their works
  3. 3Animal Science and Zoology7% of their works
  4. 4Radiology, Nuclear Medicine and Imaging7% of their works
  5. 5Plant Science5% of their works
  6. 6Transportation5% of their works

Research topics

Which keywords describe Katsumi Niwa's research?

The keywords of their largest research topics: Food Irradiation, Irradiation Effects, Neutron Imaging, Small-Angle Scattering, Aquaculture, Agricultural Practices, Amino Acids and Energy Consumption.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 17 words, with their numbers
  1. Food Irradiation61 topic
  2. Irradiation Effects61 topic
  3. Neutron Imaging51 topic
  4. Small-Angle Scattering51 topic
  5. Aquaculture42 topics
  6. Agricultural Practices21 topic
  7. Amino Acids21 topic
  8. Energy Consumption21 topic
  9. Fish Feed21 topic
  10. Genetic Modification21 topic
  11. Gut Microbiota21 topic
  12. Imaging21 topic
  13. Nutrition21 topic
  14. PET/CT21 topic
  15. Transgenic Animals21 topic
  16. Meat Quality11 topic
  17. Protein Oxidation11 topic

Where does Katsumi Niwa work?

Katsumi Niwa's main affiliation in the publication record is Ohu University, Japan.

How many publications and citations does Katsumi Niwa have?

OpenAlex counts 19 works and 230 citations for Katsumi Niwa, an h-index of 5, ranking #5,604,544 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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

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