أرسل هذا في رسالة قصيرة: Preparation, characterization, and thermal degradation of polyimide(4–aminophenyl sulfone/3, 3ʹ, 4, 4ʹ-Benzophenonetetracarboxylic dianhydride) nanocomposite with S¡0₂, Ag, and montmorillonite nanofillers
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