Full factorial experimental design analysis of Rhodamine B removal from water using organozeolite from coal bottom ash.rnImproving the productivity of solar still using evacuated tubes.rnInvestigation on used oil and engine components of vehicles road test using twenty percent fatty acid methyl ester (B20).rnDetached-eddy simulations (DES) of a complex swirl stabilized gas turbine model combustor.rnFour MATLAB-Simulink models of photovoltaic system.rnScale-up criterion of power consumption for a surface aerator used in wastewater treatment tank.rnNumerical validation of the thermal quadrupoles method for a flow in a microchannel.