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Researcher · University of Malawi · Malawi

Joel Brian Njewa

Joel Brian Njewa publishes mostly in Water Science and Technology, Industrial and Manufacturing Engineering and Nutrition and Dietetics, on topics such as Adsorption and biosorption for pollutant removal, Fluoride Effects and Removal and Per- and polyfluoroalkyl substances research.

ORCID 0000-0003-4560-9605 OpenAlex
World rank
#1,669,281
of 7,710,434 ranked researchers
Rank in Malawi
#199
of 736
Works
15
Citations
270
Citations per work
18.0
h-index
7
i10-index 7Top 70% in Water Science and Technology
Joel Brian Njewa

What does Joel Brian Njewa research?

Joel Brian Njewa's work is mostly in Environmental Science (46%), Agricultural and Biological Sciences (5%), Chemistry (5%).

Physical Sciences: 8 works · 51.3% of their workEnvironmental Science: 7 works · 45.9% of their workWater Science and Technology: 5 works · 32.4% of their workIndustrial and Manufacturing Engineering: 2 works · 13.5% of their workChemistry: 1 works · 5.4% of their workAnalytical Chemistry: 1 works · 5.4% of their workEverything else: 5 works · 32.5% of their workLife Sciences: 1 works · 5.4% of their workAgricultural and Biological Sciences: 1 works · 5.4% of their workPlant Science: 1 works · 5.4% of their workHealth Sciences: 1 works · 5.4% of their workNursing: 1 works · 5.4% of their workNutrition and Dietetics: 1 works · 5.4% of their workSocial Sciences: 1 works · 5.4% of their workDecision Sciences: 1 works · 5.4% of their workManagement Science and Operations Research: 1 works · 5.4% of their workTHEIR WORKJoel Brian Njewa15works
Life Sciences5%Physical Sciences51%Health Sciences5%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. Environmental Science745.9%
    2. Chemistry15.4%
  2. Everything else532.5%
    1. Agricultural and Biological Sciences15.4%
    1. Nursing15.4%
    1. Decision Sciences15.4%
  1. 1Water Science and Technology32% of their works
  2. 2Industrial and Manufacturing Engineering14% of their works
  3. 3Nutrition and Dietetics5% of their works
  4. 4Management Science and Operations Research5% of their works
  5. 5Analytical Chemistry5% of their works
  6. 6Plant Science5% of their works

Research topics

Which keywords describe Joel Brian Njewa's research?

The keywords of their largest research topics: Adsorption, Wastewater Treatment, Contaminant Removal, Environmental Impact, Surface Area, Health Effects, Drinking Water and Fluoride.

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 20 words, with their numbers
  1. Adsorption102 topics
  2. Wastewater Treatment92 topics
  3. Contaminant Removal71 topic
  4. Environmental Impact74 topics
  5. Surface Area71 topic
  6. Health Effects63 topics
  7. Drinking Water31 topic
  8. Fluoride31 topic
  9. Municipal Solid Waste21 topic
  10. Perfluoroalkyl Substances21 topic
  11. Polyfluoroalkyl Compounds21 topic
  12. Risk Management21 topic
  13. Uncertainty21 topic
  14. Waste Management21 topic
  15. Agriculture11 topic
  16. Antioxidant Properties11 topic
  17. Exposure11 topic
  18. Moringa oleifera11 topic
  19. Pesticides11 topic
  20. Water Management11 topic

Where does Joel Brian Njewa work?

Joel Brian Njewa's main affiliation in the publication record is University of Malawi, Malawi.

How many publications and citations does Joel Brian Njewa have?

OpenAlex counts 15 works and 270 citations for Joel Brian Njewa, an h-index of 7, ranking #1,669,281 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.

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