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...

The learning system provided by the municipalities is one of the most important motivating factors make citizens to participate in urban management plans such as source separation of wastes. In the past years, Tehran municipality has been focusing on providing different training in waste management and specifically source separation, which has not been able to attract public participation. The ...

polycyclic aromatic hydrocarbons (pahs) are a group of organic compounds made up of two or more fused benzene rings in linear, angular or cluster arrangements. the pahs are formed by incomplete combustion or high temperature pyrolytic process involving organic matter. thirty sampling sites were selected to characterize the pahs concentrations in ambient air in tehran. sixteen pahs were measured...

INTRODUCTION Fair distribution of hospital beds across various regions is a controversial subject. Resource allocation in health systems rarely has focused on those who need it most and, in addition, is often influenced by political interests. The study assesses the distribution of hospital beds in different regions in Tehran, Iran, during 2010-2012. METHODS This cross-sectional study was con...

The frequency of chronic diseases such as cardiovascular diseases has significantly increased in recent years. This study is a developmental research which is categorized as descriptive-survey in terms of data collection method. The aim of this study is to prioritize 22 districts of Tehran for the purpose of prevention from cardiovascular diseases. In the present study, after extraction of the ...

During the COVID-19 pandemic, significant changes occurred in customer behavior, especially traffic and urban transmission systems. In this context, there is a need for more scientific research managerial approaches to develop behavior-based smart transportation solutions deal with recent customers, drivers, behaviors, including volume of routes. This has tried find comprehensive view novel tra...