List of Articles Anti-wear Open Access Article Abstract Page Full-Text 1 - Investigation of anti -wear effect of magnetic iron oxide nanoparticles in multi-grade engine oil compared to conventional engine oil فرشته قربانی نایینی حمیدرضا اسکندری داود ابراهیمی Open Access Article Abstract Page Full-Text 2 - Synthesis and study of tribological properties of ionic liquids as an ash-free additive package in hydraulic oils Shahriar Keshavarzi mohammadreza naeimi jamal mohamad.G Dekamin