نتایج جستجو برای: air pollution concentration

تعداد نتایج: 611423  

Journal: :Research report 2004
Francesca Dominici

The Walter A Rosenblith New Investigator Award provided funding to explore new statistical approaches for air pollution research. This report reviews and summarizes the methodologic and substantive contributions to time-series analyses of air pollution and mortality that this award made possible. The review is organized according to the following general topics: (1) semiparametric methods for t...

محمدیان, محمود ,

ABSTRACT Cotton dust is one of the chemical agents that cause air pollution in textile workshops. An investigation was done to measure cotton dust concentration in Mazandaran Province. 37 samples were collected by personal samplers devices and whatman filter papers of worker's inhalation zone of ambient air that contained total dust. 40 samples were collected by whatman filter papers and ho...

2017
Jian Sun Tiancai Zhou

BACKGROUND With the rapid development of China's economy, air pollution has attracted public concern because of its harmful effects on health. METHODS The source apportioning of air pollution, the spatial distribution characteristics, and the relationship between atmospheric contamination, and the risk of exposure were explored. The in situ daily concentrations of the principal air pollutants...

ضیائی, سعیده, عفتی, میثم, مریدی, مریم, کاظم نژاد, انوشیروان,

  Background : Living in polluted areas could be considered a risk factor for preterm labor and low birth weight. Few studies examined the association between air pollution and abortion. The aim of this study was to determine the relationship between ambient air pollutant and rate of spontaneous abortion.   Methods: This study was a case-control research conducted on 148 cases of spontaneous ab...

2016
Goran Krstic Nikolas S. Krstic Mauricio Zambrano-Bigiarini Lisa C. Vinikoor-Imler Goran Krstić Nikolas S. Krstić

Protection Agency (EPA) for kindly providing additional data from their study on county-level PM2.5 concentrations vs. lung cancer incidence and mortality in North Carolina. Correspondence concerning this article should be addressed to Goran Krstić at [email protected]. Uncertainties, limitations and biases may impede the correct application of concentration-response linear functions...

ژورنال: سلامت و محیط زیست 2018

Background and Objective: Ground level ozone (O3) is one of most dangerous pollutants for human health in urban areas. The aim of this study was to identify the factors affecting the formation of ozone and modeling the spatial and temporal variations of ozone concentration in Tehran metropolitan area. Materials and Methods: The data used in this research included meteorological data and pollut...

Journal: :Journal of investigational allergology & clinical immunology 2010
G D'Amato L Cecchi M D'Amato G Liccardi

The incidence of allergic respiratory diseases and bronchial asthma appears to be increasing worldwide, and people living in urban areas more frequently experience these conditions than those living in rural areas. One of the several causes of the rise in morbidity associated with allergic respiratory diseases is the increased presence of outdoor air pollutants resulting from more intense energ...

Development disorders may be arisen from the unavoidable maternal exposure to particulate air pollution during the prenatal life that can be affected not only periconceptional period but also postnatal life. A kind of chemical material categorized as air pollutants are present in the urine, blood and semen of exposed men and may decline sperm count and affect sperm quality. Environment toxic ca...

2008
Hwa-Woon Lee Soon-Young Park

An industrial complex specially located in coastal area seriously affect on air quality near residential area. Gwang-yang bay, where is the southern part of the Korean Peninsula, is one of the densely accumulated industrial areas. And air pollution over the area also increase with the density of industrial complex. Since petrochemical industry occupied major part of the Gwang-yang bay complex, ...

Journal: :iranian journal of public health 0
afsaneh afzali mohd rashid kusnin noorhafizah mohd rashid ammar

background: the air dispersion models are widely used to evaluate and predict the pollutants emissions from air pollution sources such as incinerators. this study attempts to predict the heavy metal pollutants dispersion emitted by an incineration plant impacting its surrounding area. methods: several scenarios of emission rates coupled with the meteorological conditions were investigated using...

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