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wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...
INTRODUCTION Quantifying years of potential life lost (YPLL) highlights childhood causes of mortality and provides a simple method to identify important causes of premature death. METHODS CDC analyzed data from the National Vital Statistics System multiple cause of death files for 2000-2009. RESULTS An average of 890YPLL were lost each year due to unintentional injuries for every 100,000 pe...
multinational corporations (mncs) are major actors in contemporary world. their negative and positive impacts on human life make clear the need for expanding their responsibilities. the aim of this article is to show how responsibilities of mncs evolve during recent 50-60 years. through two sections, the article examines vertical and horizontal expansion of mncs’ responsibilities and then recen...
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