9484
The gradient condition was as follows : 0 - 34 min , 20 - 34 % A ; 34 - 38 min , 34 - 95 % A ; maintained 95 % A for the next 4 min .
 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