electric power industry have always try to provide reliable electricity to customers and at the same time decrease system costs. high voltage circuit-breakers are an essential part of the power network. this study has developed a maintenance and replacement scheduling model for high voltage circuit- breakers that minimize maintenance costs while maintaining the acceptable reliability. this mode...

based on iran by 2025 defined vision, we must to receive the first grade of science position in south western asian region. thus we need to have a comprehensive evaluation program.a comprehensive who health research system analysis (hrsa)- based evaluation system was developed to evaluate the hrs in iran. this article has explored the results of the five-year evaluation (2003-2008) and aims to ...

background: planning, organizing, staffing, leading and monitoring are the basic functional component of management. in present article, we aim to define the project monitoring and evaluation in health research system (hrs) considering its success and challenges based on our national experience. methods: in this study based on the information of annual medical science universities evaluation du...