Hybrid vehicles are now more common in response to increasing global warming. The hybridization of energy sources and storage units enables improving the sustainability, reliability, robustness power systems. To reach objective zero emissions, a proton exchange membrane hydrogen fuel-cell was utilized as an source. aim this research create accurate optimal sizing procedure for determining nomin...

objective: the aim of present research is to investigate the effects of neurofeedback on cognitive function with emphasis on memory. method: this study is an experimental study. for this reason using a stratified sampling procedure sample of 30 subjects in 2 groups of experimental and placebo was selected. investigated subjects were assessed with the wechsler memory scale in two stages (pretest...