in this paper, the main factors in the analysis of the railway concrete sleepers areinvestigated and new recommendations are made in order to improve the accuracy of the currentpractices in analysis of the railway track system. first, a comprehensive literature survey isconducted, then, fem models for a railway track system are developed and used to discuss andevaluate the assumptions commonly ...

it is an intensive 1-day course for introducing utilizing transcranial direct current stimulation (tdcs) in an applied format. this technique is a noninvasive brain stimulation that uses direct electrical currents over the head to stimulate specific parts of the brain which modulates neuronal activity. it has strong potentiality in the field of medical and neuroscientific research. anodal stimu...

Financial markets have been developed rapidly in recent years. New and sophisticated financial tools have been the cause of these developments which need new controlling systems to prevent crisis. Most of industrial economies have reformed regulatory structure of their financial systems. This paper reviews the regulatory developments of UK in this regard and offers new regulations and ...

current practices in railway track analysis and design are reviewed and discussed in this paper. the mechanical behavior of railway track structure comprising of various components has not been fully understood due to the railway track structural complexity. although there have been some improvements in the accuracy of current track design methods in recent decades, there are still considerable...

Fournier's gangrene is an acute, rapidly progressive, and potentially fatal, infective necrotizing fasciitis affecting the external genitalia, perineal or perianal regions, which commonly affects men, but can also occur in women and children. There has been an increase in number of cases in recent times. Despite advanced management mortality is still high and averages 20-30%. Early diagnosis us...