فهرس المقالات polymer nano-composite حرية الوصول المقاله صفحة الملخص نص كامل 1 - Nonlinear bucking analysis of Polystyrene, Polyvinyl chloride, and Polypropylene cylindrical nano-composite shells reinforced by carbon nanotubes based on micro-mechanics and finite element methods Reza Hosseini-Ara Mohsen Akbari