Gas refineries have been continuously focusing on Health, Safety and Environment programs to improve maintenance activities. Several researches have studied on this area with different analysis methods. This study presents an integrated approach for optimization of factors contributing to the implementation of Health, Safety and Environment (HSE) in maintenance activities. HSE managers in each ...

Culturally diverse older adult learners are among the fastest growing age groups for which public libraries promote the needs of lifelong learning today. This article explores the past, present, and future of informal and non-formal public learning environments as safe and welcoming, with supportive educational programming provided by librarians and community volunteers. In light of an advancin...

the gf677 (prunus amygdalus×prunus persica) is a peach rootstock tolerant to fe deficiency .therefore, mass propagation of gf677 rootstock is recommended by bioreactor. on the other hand, plant micro-propagation using bioreactors can decrease the cost of production and makes it an economical method. in this research, the possibility of using bioreactor and optimization of the tissue culture pro...

prof. mohammad-taqi danesh-pajouh was born in 1290/1911. after his primary education in his birth-place, amol, he continued his education and studied clerical topics in qom. then he entered the faculty of law at tehran university and took his bachelor's degree in 1320/1941. he began his career as a librarian in the library of above mentioned faculty, and a few years later, he was appointed...

the future of library services must be considered against the background of a new self-conception of libraries and their definition and of a changing information society. in future, traditional library services will no longer be sufficient to ensure the survival of libraries. they will be required as a basic routine, but the proactivity of the library and its contribution to the overall enterpr...

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