in metropolitan development management, quality of public services is influential in every public sector to satisfaction of citizens on quality of services. nowadays, satisfaction are with such important matters that should be considered in the planning, implementation, management and maintenance of many public services such as subway, transportation, traffics, parks, markets and so on. the pur...

public participation is counted as one of the main indexes in sustainable urban management.based on their nature, metropolitan cities has several and complex problems. for this purpose tehranmetropolitan area is selected. quantitative strategic planning matrix (qspm) weighted through a made-byresearcherquestionnaire. the reliability of the model was verified by cronbach’s alpha coefficient. eva...

due to urbanization and consequent environmental problems in iran, many people have been interested in improving the weather quality. lack of information about health risks as a result of pollution is a big obstacle which stops policy-making in this regard. the present study examines the type of relationship between low air quality and tehran citizens’ willingness to pay in order to improve wea...

  Status of fish consumption was analyzed by completing the 295 questionnaires in all 22 metropolitan regions of Tehran from different households in 2008. After reviewing the descriptive and statistics analysis along with the non-parametric statistics, the fish consumption per capita was extracted through formulas. The average and mode of purchasing of each household occurs 11 times per year wi...

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...

The aim of current research was to determine airborne asbestos fiber concentrations in the ambient air Tehran, and investigate their spatial distribution, seasonal variation, human health risk assessment. For this, sampling study carried out during August 2017 June 2018, totally, 64 samples were taken from 8 stations along different areas Tehran. fibers determined by phase contrast microscope (...