اثرات ویرانگر بلایای طبیعی، اهمیت لجستیک و برنامه‌ریزی منابع انسانی را در مراحل قبل بعد از بحران نشان می‌دهد. هنگام بروز به ‌منظور امدادرسانی سریع، شبکه سلسله ‌مراتبی سلامت که شامل درمانگاه‌ها بیمارستان‌ها است، فعال می‌شود. این پژوهش با استفاده مدل ریاضی مختلط عدد صحیح درنظرگرفتن موقعیت فعلی درمانگاه‌ها، مکان‌های بهینه‌ای عنوان «مراکز درمان موقت» تعیین نحوه تخصیص بهینه مصدومان ناحیه‌های شهری مر...

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fruit waste extract was selected as the sole substrate for carotenoid production and the effect of parameters like ph, temperature and agitation have been studied. a two-step simple sequential strategy was employed for the optimization of carotenoid production by rhodotorula rubra. in the first step, one factor at a time was employed to evaluate the impact of ph on carotenoid production. the ou...

double bridge girder overhead cranes are used for heavy duty applications in theindustry. in this paper a detailed parametric design optimization of the main girder of box type isperformed for a 150ton capacity and 32m long span crane, after its basic design using availabledesign rules. design optimization is performed using detailed 3d finite element analysis bychanging the number, shape and l...

there is a close connection between saltwater intrusion into aquifers and groundwater extraction. freshwater extraction in coastal aquifers is one of the most important reasons for the saltwater intrusion into these aquifers. condition of extraction system such as well depth, discharge rate, saltwater concentration and etc. could affect this process widely. thus, investigating different extract...