Portable water purification

https://www.wikidata.org/wiki/Q1162199

Field Hierarchy

Parent
Chemistry 28.9M papers	Engineering 25M papers	Organic chemistry 12.9M papers	Environmental science 8.8M papers
Waste management 1.6M papers		Environmental engineering 971k papers
Current
Portable water purification 4,404 papers
Child
Water purification filter 0 papers

Trends

Notes

History