List of Articles Viscosity Open Access Article Abstract Page Full-Text 1 - Investigation of shear stability of commercial polymer of viscosity index improver for determination of engine oil optimal formulation Mehran Aghaie Mazandarani E. Sadeghi ghari H. Open Access Article Abstract Page Full-Text 2 - Experimental study of the results of adding alumina nanoparticles on viscosity and thermal conductivity of water and ethanol nanofluids