نتایج جستجو برای: causes of pollution
تعداد نتایج: 21182357 فیلتر نتایج به سال:
conclusions according to the factory noise map, except for the control rooms with 81 dba noise, other cases of measuring stations were higher than the standard exposure of 85 dba noise. as a result, the implementation of control strategies, such as inspection and performance of control systems and insulation of the control room to prevent unnecessary exposure noise, are necessary. background st...
Time series analysis of air pollution and mortality: effects by cause, age and socioeconomic status.
OBJECTIVE To investigate the association between outdoor air pollution and mortality in São Paulo, Brazil. DESIGN Time series study METHODS All causes, respiratory and cardiovascular mortality were analysed and the role of age and socioeconomic status in modifying associations between mortality and air pollution were investigated. Models used Poisson regression and included terms for tempor...
Letter to the Editor: Applications Air Q Model on Estimate Health Effects Exposure to Air Pollutants
Epidemiologic studies in worldwide have measured increases in mortality and morbidity associated with air pollution (1-3). Quantifying the effects of air pollution on the human health in urban area causes an increasingly critical component in policy discussion (4-6). Air Q model was proved to be a valid and reliable tool to predicts health effects related to criteria pollutants (particula...
This state-of-the-art review is designed to provide a factual analysis of indoor air pollution in Pakistan. Primarily, the main sources and related pollutants were analyzed. Key include household energy (biomass, wood, coal, tobacco, low temperatures) producing particulate matter (PM), dust particles, smoke, COx, noxious gases, bioaerosols, airborne microflora, flame retardants. According liter...
Abstract Tehran is one of the most polluted cities in the world that this pollution has physical and psychological harmful consequences. This study an applied analytical methods based on library studies and documents for the purpose of utilizing the principles of environmental psychology and behavior analysis of citizens' attitudes in four categories; Due to importance of addressing the caus...
تخریب منابع طبیعی و محیط زیست از مهمترین دغدغه ها در مناطق مختلف جهان خصوصا نواحی خشک می باشد. بطوریکه سطوح وسیعی از این اراضی در طیف گسترده ای از فرآیندهای تخریب در حال نابودی می باشد. از این رو ارزیابی و تهیه نقشه آسیب پذیری به زوال پوشش گیاهی در کشورمان می تواند بسیار زیاد ما را در برنامه ریزیهای مدیریتی و اجرایی یاری نماید. درتحقیق حاضرمعیارهای مورد استفاده در یک مدل جدید برای ارزیابی زوال ...
The correlation between air pollution and health effects in large Japanese cities presents a great challenge owing to the limited availability of data on the exposure to pollution, health effects and the uncertainty of mixed causes. A methodology for quantitative relationships (between the emission volume and air quality, and the air quality and health effects) is analysed with a statistical me...
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