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Particle number: Revision history


For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

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  • curprev 09:1309:13, 28 April 2017 81.82.241.8 talk 3,592 bytes +91 Particle number in air quality is not the same thing as PM. These are 2 very different variables. One of them is an expression of mass while the other is an expression of a quantity of particles of a defined size. undo Tag: Visual edit

24 September 2016

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