The COVID-19 pandemic has induced changes in global air quality, mostly short-term improvements, through worldwide lockdowns and restrictions on human mobility industrial enterprises. In this study, we explored the pollution status Tehran metropolitan, capital city of Iran, during outbreak. To end, ambient quality data (CO, NO2, O3, PM10, SO2, AQI) from 14 monitoring stations across city, toget...

the main goal of the development plans is to create livable environment, better quality of life and residential satisfaction. thus, the city managers desire to achieve this goal and plan a livable city for the people through the strategies, policies and intra-organizational programs, as well as making interaction with other influential administrations on the development of the city. as well as ...

Given that Mandarin is a tone language and English is not, the present study investigated the perception of Mandarin tones in young school-aged children with or without tone language exposure. Mandarin Monolingual (MM), English-Mandarin Bilingual (EMB) and English Monolingual (EM) children aged 6 to 8 years participated in tone identification and discrimination tasks. Tone identification and di...

BACKGROUND Population-based estimates of traffic accidents (TAs) are not readily available for developing countries. This study examined the contribution of socioeconomic status (SES) to the risk of TA among Iranian adults. METHODS A total of 64,200people aged ≥18years were identified from 2008 Urban Health Equity Assessment and Response Tool (Urban HEART) survey. 22,128 households were inter...

This research analyses the suburban expansion in the metropolitan area of Tehran, Iran. A hybrid model consisting of logistic regression model, Markov chain (MC), and cellular automata (CA) was designed to improve the performance of the standard logistic regression model. Environmental and socio-economic variables dealing with urban sprawl were operationalised to create a probability surface of...

BACKGROUND Multiple Sclerosis (MS) is a disease with high disabling disorders and considerable social and economic impacts. This study was conducted to analyze the spatial distribution of MS disease in Tehran, Iran during 2001-2012. METHODS The existing information in the MS patients' medical files who had registered in Iranian MS Society (IMSS), located in Tehran office, was used for analysi...

this paper identifies eleven types of asphalt pavement distress types, commonly occuring in tehran metropolitan area. of these, five distresses namely: corrugation; utility cut depression ;pot holes; alligator cracking; and loss of bridge deck surfacing are rather common. however, others namely: shear failure; shrinkage cracks; lane joint cracks; bleeding; and shoulder distress are less prevail...