28285
Its Lorenz number is measured as 7 . 44 x 10 ( - 8 ) W Omega K ( - 2 ) , almost a twofold increase from the bulk value .
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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