نتایج جستجو برای: air quality monitoring
تعداد نتایج: 1195307 فیلتر نتایج به سال:
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...
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 ...
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...
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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