23581
The particles with extremely lower density than common magnetic particles exhibited solid - like magnetorheological phase characteristics , and the flow curves were fitted to the Cho - Choi - Jhon model of the rheological equation of state .
 None
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