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Research facility · Pretoria · South Africa

National Metrology Institute of South Africa

In research, National Metrology Institute of South Africa stands highest in Physical Sciences (#14,638 of 21,541 worldwide), over all time.

nmisa.orgROR OpenAlex
World rank, all time
#27,262
of 42,892
Rank in South Africa
#101
of 154
Research works
192
▼ 13% vs 2013–17
Citations
1.3k
7.0 per fractional work
Top-10% rate
9.4%
record average 16.5%
Open access
29%
world 28%

What is National Metrology Institute of South Africa known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #14,638 of 21,541 8.7%139

Each strip is that field’s whole ranked pool, with the notch where National Metrology Institute of South Africa 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).

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: 0.67× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.45× its world share, 1 worksBiochemistry, Geneti…Pharmacology, Toxicology and Pharmaceutics: 1.81× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 6.52× its world share, 1 worksChemical EngineeringChemistry: 3.36× its world share, 1 worksChemistryComputer Science: 0.74× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 1.23× its world share, 0 worksEarth and Planetary …Energy: 1.39× its world share, 0 worksEnergyEngineering: 2.24× its world share, 9 worksEngineeringEnvironmental Science: 1.36× its world share, 2 worksEnvironmental ScienceMaterials Science: 1.66× its world share, 2 worksMaterials SciencePhysics and Astronomy: 6.18× its world share, 4 worksPhysics and AstronomyHealth Professions: 0.90× its world share, 1 worksHealth ProfessionsMedicine: 0.25× its world share, 1 worksMedicineNursing: 0.87× its world share, 0 worksNursingArts and Humanities: 0.04× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.99× its world share, 1 worksBusiness, Management…Decision Sciences: 6.81× its world share, 2 worksDecision Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Decision Sciences, 6.8×. Every wedge is a field page.

Which keywords describe research at National Metrology Institute of South Africa?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Quality Assurance, Measurement Uncertainty, Redefinition of SI Units, Nanostructures, On-Orbit Performance, Radiometric Calibration, Nanomaterials and Semiconductors.

▲ 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 12 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 12 words, with their numbers
  1. Quality Assurance2▲ 41×3 topics
  2. Measurement Uncertainty2▲ 592×1 topic
  3. Redefinition of SI Units2▲ 592×1 topic
  4. Nanomaterials1▲ 5.1×5 topics
  5. Nanostructures1▲ 12×3 topics
  6. On-Orbit Performance1▲ 408×1 topic
  7. Radiometric Calibration1▲ 408×1 topic
  8. Semiconductors1▲ 14×3 topics
  9. Sustainability1▲ 1.83×3 topics
  10. Risk Assessment1▲ 6.1×3 topics
  11. System Maturity1▲ 177×1 topic
  12. Technology Readiness Levels1▲ 177×1 topic

Which research topics does National Metrology Institute of South Africa publish most on?

By volume in 2022–2025: Scientific Measurement and Uncertainty Evaluation, Calibration and Measurement Techniques, Technology Assessment and Management and Gas Sensing Nanomaterials and Sensors.

Scientific Measurement a…2Scientific Measurement and Uncertainty Evaluation: 2 fractional worksCalibration and Measurement Techniques: 1 fractional worksTechnology Assessment an…1Technology Assessment and Management: 1 fractional worksGas Sensing Nanomaterial…1Gas Sensing Nanomaterials and Sensors: 1 fractional worksQuantum Information and …1Quantum Information and Cryptography: 1 fractional worksOrganic Food and Agricul…0Organic Food and Agriculture: 0 fractional worksAdvanced Chemical Sensor…0Advanced Chemical Sensor Technologies: 0 fractional worksGlobal trade, sustainability, and social impact: 0 fractional worksAnalytical Chemistry and Sensors: 0 fractional worksRadioactive Decay and Measurement Techniques: 0 fractional works
Statistics, Probability and UncertaintyAerospace EngineeringSafety, Risk, Reliability and QualityElectrical and Electronic Engineering6 others

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

  1. 1 Scientific Measurement and Uncertainty Evaluation Statistics, Probability and Uncertainty 2 works
  2. 2 Calibration and Measurement Techniques Aerospace Engineering 1 works
  3. 3 Technology Assessment and Management Safety, Risk, Reliability and Quality 1 works
  4. 4 Gas Sensing Nanomaterials and Sensors Electrical and Electronic Engineering 1 works
  5. 5 Quantum Information and Cryptography Artificial Intelligence 1 works
  6. 6 Organic Food and Agriculture Plant Science 0 works
  7. 7 Advanced Chemical Sensor Technologies Biomedical Engineering 0 works
  8. 8 Global trade, sustainability, and social impact Strategy and Management 0 works
  9. 9 Analytical Chemistry and Sensors Bioengineering 0 works
  10. 10 Radioactive Decay and Measurement Techniques Radiation 0 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 available28.8%not open71.2%

World: 28% of research is openly available.

with international co-authors31.7%domestic only68.3%

World: 19% is written across borders.

How has National Metrology Institute of South Africa's research output changed?

Output in 2018–2022 was 13% lower 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 Pretoria

All research institutions in Pretoria

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.