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Studies on NIM ' s re - crystallization process in the solid dispersions revealed a strong dependence of the crystallization rate , as well as the resulting crystal form , on the mean molecular weight and concentration of PEG : NIM crystallization rates decrease as PEG ' s MW increases , while NIM mod II crystals predominate in dispersions prepared at temperatures above NIM ' s liquidus and growth of NIM mod I prevailing in PEG - rich samples .
 Chemical: NIM; Chemical: PEG; Chemical: NIM; Chemical: PEG; Chemical: NIM; Chemical: NIM; Chemical: NIM; Chemical: PEG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: NIM; Chemical: PEG; Chemical: NIM; Chemical: PEG; Chemical: NIM; Chemical: NIM; Chemical: NIM; Chemical: PEG