نتایج جستجو برای: health risks
تعداد نتایج: 1064623 فیلتر نتایج به سال:
Journal:
:Proceedings of the National Academy of Sciences
2014
Journal:
:International Journal of Occupational Safety and Health
2018
پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس
1389
abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...
Journal:
:DEStech Transactions on Social Science, Education and Human Science
2018
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