z-average
Noun
A weighted average where the value for each component is weighted by the square of its mass or volume.
- Examples
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More examples (2)
When proper measurements are made, the parameters of the size distribution most often obtained -- the inverse z-average moments -- are not the usually reported parameters of a size distribution.
The calculated number average molecular weight is generally very dependent upon the low molecular weight material in the distribution, whilst the z-average is more affected by the high molecular weight material present.
The harmonic average lies in between the z-average and the weight-average particle size.
Word forms
z-averages