نتایج جستجو برای: air quality monitoring

تعداد نتایج: 1195307  

Background and Objectives: There is a direct relationship between the air quality and human health. In this research, the air quality of Rafsanjan city was monitored regarding the concentration of some pollutants  within a year. Materials and Methods: In this descriptive study, portable particle counter and air analyzer were used. Measurement of air pollutant parameters was done every two week...

Journal: :محیط زیست طبیعی 0
فریده عتابی استادیار دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران یوسف رشیدی دکترای مهندسی شیمی، شرکت کنترل کیفیت هوا، شهرداری تهران، ایران علیرضا قراگوزلو استادیار دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران آتنا عربی کارشناس ارشد مهندسی محیط زیست، واحد علوم و تحقیقات تهران، دانشگاه آزاد اسلامی، ایران

particulate and gaseous emissions of pollutants from industries and auto-exhausts are responsible for rising discomfort, aggravates respiratory and cardiovascular. in this study, a system for air quality information in tehran city has been developed, using an online web-based geographic information system. this web-based gis application allows users to recognize areas with a potential increase ...

Journal: :Environmental Science and Pollution Research 2018

Journal: :IOP Conference Series: Materials Science and Engineering 2018

Journal: :international journal of environmental research 2011
f. nejadkoorki s. baroutian

life style and life expectancy of inhabitants have been affected by the increase of particulate matter 10 micrometers or less in diameter (pm10) in cities and this is why maximum pm10 concentrations have received extensive attention. an early notice system for pm10 concentrations necessitates an accurate forecasting of the pollutant. in the current study an artificial neural network was used t...

Journal: :American Journal of Public Health 1975

Journal: :International Journal for Research in Applied Science and Engineering Technology 2021

Amir Hossein Hamidian, Borhan Mansouri,

Background: Today, air pollution is one of the major problems in large cities including Isfahan. Methods: The objective of this study was to investigate the variations of ozone (O3), carbon monoxide (CO), nitric oxide (NO), nitrogen dioxide (NO2), nitrogen oxides (NOx), sulphur dioxide (SO2), and particulate matter (PM10) concentrations in different months at three stations and also to explore ...

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