14847
Nanoparticles with a smooth surface and dense structure were obtained with high EE ( EE ( DA ) > 90 % ; EE ( SA ) > 85 % ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None