26905
The particle property measured by each particle size analyzer ( particle size or chord length ) and how it is measured as well as the way in which size information is derived and calculated from this measured property and how results are presented ( e . g . , volume or mass distributions ) are essential for the interpretation of the particle size data .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None