فهرست مقالات Strain-Inertia Gradient Theory دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Nonlinear Vibration Analysis of FG Nano-Beams in Thermal Environment and Resting on Nonlinear Foundation based on Nonlocal and Strain-Inertia Gradient Theory Ebrahim Mahmoudpour