In this paper, several optimum structures of a cascaded multilevel inverter is proposed. This optimization is based on generation a constant number of output voltage levels by using minimum number of power switches or dc voltage sources or minimum amount of blocked voltage by power switches. In addition, the optimum structure for a constant number of dc voltage sources by using minimum number o...

use of herbal extracts and essences as natural antibacterial compounds has become increasingly popular for the control of oral infectious diseases. therefore, finding natural antimicrobial products with the lowest side effects seems necessary. the present study sought to assess the effect of punica granatum l. water extract on five oral bacteria and bacterial biofilm formation on orthodontic wi...

in this study, antifungal property of olive leaf extracts against candida albicans ptcc-5027 was examined. fresh olive leaf extracts were prepared using distilled water in a soxhlet apparatus. the antifungal activity of the extract was analyzed by measuring the minimum inhibitory concentration (mic) and minimum fungicidal concentration (mfc), using the microdilution test and disc diffusion assa...

since many time series are not normal, it is required to normalize data by transformation functions prior to any analysis and modeling. in this study, the next month rainfall of abadeh county station was predicted using the average monthly rainfall, minimum and maximum temperatures and minimum and maximum humidity as inputs of mlp network, both normally and raw, at period 1976 to 2013. after sc...