4579
Using this quasi - automated approach , a remarkable 100 % membrane formation yield is reached ( including reflushing in 4 % of the cases ) , and BLMs are stable for up to 36 h .
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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:
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