background: injuries and fatalities from road traffic injuries are global public health concerns, and a major problem in the iran. this study aimed to explore strategies to control road traffic injuries (rti) in iran. methods: we conducted a qualitative study to explore possible ways to reduce the occurrence of road traffic injuries in iran in 2016. interviewees were purposively sampled from va...

introduction: asthma is a chronic inflammatory airway disease. genetic and environmental factors have been important role in the induction of asthma. it's estimated that asthma affect 2.7 to 35.4% of child (in average 13.4%) in iran. the aims of this study to assess the costs of asthma patients admitted in boali hospital in sari in the north of iran. patients and methods: this descriptive ...

forests as a renewable source has effective and useful role in economic and social activities of society. network of forest roads as infrastructure division’s forest planning units (compartments) of forest management plans, management, logging, exit of wood and plays a major role forest protection. aim of this study, designed forest road network according to multi-purpose forestry using the net...

Introduction: Since ancient times Malaria in Iran has been considered as a serious health risk, especially in Hormozgan Province, as no other disease like Malaria has imposed irreparable financial and life losses to the country. Since saving costs in the healthcare sector comes as first priority in most countries, this study aims at launching a cost-effectiveness analysis on malaria diagnosis d...

this study focused on the public transport risk assessment in district one of ​​tehran through fault tree analysis involving the three criteria of human, vehicle and road in haddon matrix. in fact, it examined the factors contributing to the occurrence of road accidents at several urban black spots within district 1. relying on road safety checklists and survey of experts, this study made an ef...

One of the main tasks in road traffic organization is to create fast, convenient and safe on network. For this purpose, factors influencing technical economic indicators for construction intersections various complexity are determined [1, 2]. These include: capital costs, taking into account reconstruction installation; area territory intersection device; degree danger intersection; maintenance...

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Economists wishing to analyse road congestion and road pricing have usually relied on linkbased speed-flow relationships. These may provide a poor description of urban congestion, which mainly arises from delays at intersections. Using the simulation model SATURN, we investigate the second-best proportional traffic reduction and find that linear speed-flow relations describe network flows quite...