To investigate the time dependence of heart rate variability (HRV) during treadmill running, a feedback control loop was implemented to eliminate potentially confounding influence cardiovascular drift. Without drift, observed changes in HRV can be directly attributed only and not drift-related increases rate. quantify time-dependence HRV, standard metrics for two consecutive windows equal durat...

objective: castor (ricinuscommunis l.) is an industrial oilseed that belongs to the family euphorbiaceae. castor is believed to be originated in east africa probably ethiopia. although ethiopia is known as a primary diversity for castor the knowledge on nature and extent of variation of the indigenous germplasm is limited. the present test was conducted to study the nature and extent of variabi...

the purpose of this research is to investigate the relationship between earnings variabilityand earnings forecast using neural networks in companies listed on tehran stock exchange. theresearch is of the library and analytical-causal study type, and is based on panel data analysis andneural networks. in this research, financial information of 98 companies from 19 industries intehran stock excha...