Background An effective emergency referral transport system is the link between the home of the pregnant woman and a health facility providing basic or comprehensive emergency obstetric care. This study attempts to explore the role of emergency transport associated with maternal deaths in Unnao district, Uttar Pradesh (UP).   Methods A descriptive study was carried out to assess the causes of a...

The product life cycle of a deteriorating is an important consideration in inventory management. This paper simultaneously investigates the optimum pricing and decisions considering cycles under price-dependent demand advance payment systems with discount facility. A time-dependent holding cost also introduced. objective to carefully balance critical decision variables order maximize total prof...

accident is one of the dangers that threated the child’s life. 85 percent of mortality in children in the world is related to accidents. lack of use seatbelt for children in raer seats is one of the major reasons of children mortality. unfortunately, in 70-75% cases, damage in children occurs in their face and head. also, the physical damage can lead to maim and death in children. on the other ...

BACKGROUND Recently there has been a great deal of new population based evidence on visual impairment generated in sub-Saharan Africa (SSA), thanks to the Rapid Assessment of Avoidable Blindness (RAAB) survey methodology. The survey provides information on the magnitude and causes of visual impairment for planning services and measuring their impact on eye health in administrative "districts" o...

this paper studies an m/g/1 repairable queueing system with multiple vacations and n-policy, in which the service station is subject to occasional random breakdowns. when the service station breaks down, it is repaired by a repair facility. moreover, the repair facility may fail during the repair period of the service station. the failed repair facility resumes repair after completion of its re...

intreduction: nowadays, organizational eultcure plays an important role in the process of developing and reconstructing an organization. the selection of an appropriate leadership style by the manager has an significant impact on the development and establishment of a favorable oragnizational culture wich pares the ground for the organization to comete with others. metheds and materials: the is...

The protection of critical infrastructures has become a concern for the achievement strategic purposes countries and organizations. Brazilian government began to demand from port facilities compulsory structuring protective measures meet demands agreed with international entities, such as development security risk analysis plans. This study provides constructivist approach risks in facilities, ...