نتایج جستجو برای: air pollution management

تعداد نتایج: 1085486  

Environmental pollution consists of different types of pollutants in air, soil, and water. Due to the fact that plants can respond to environmental pollution, they can be used as bio-indicators for environmental monitoring. Air pollution in areas with oil and gas refineries nearby is an important problem. This study aims to survey the effects of gas refinery air pollutants on Conocarpus erectus...

F Yousefian, K* Nadafi,

Background & objectives: Environmental standards are quantitative criteria for protecting the environment from pollution and degradation. One of the solutions to improve air quality status is to use reasonable limits to prevent excessive release of airborne contaminants from their various sources. On the other hand, these standards are effective in evaluating air pollution reduction strategies....

Journal: :iranian journal of environmental sciences 0
seyyed mansour seyyednejad professor of plant physiology, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, iran hossein motamedi professor of microbiololgy, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, iran parinaz lordifard msc. student, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, iran

environmental pollution consists of different types of pollutants in air, soil, and water. due to the fact that plants can respond to environmental pollution, they can be used as bio-indicators for environmental monitoring. air pollution in areas with oil and gas refineries nearby is an important problem. this study aims to survey the effects of gas refinery air pollutants on conocarpus erectus...

Journal: :health scope 0
anirban kundu chowdhury department of civil engineering, jadavpur university, kolkata, india; department of civil engineering, jadavpur university, kolkata, 700032, india. tel: +91-9433263939 anupam debsarkar department of civil engineering, jadavpur university, kolkata, india shibnath chakrabarty department of civil engineering, jadavpur university, kolkata, india

conclusions atpl was higher in the post-monsoon season. w/s ratio and correlation analysis revealed interseasonal homogeneity of tmv and traffic noise levels and interseasonal heterogeneity of air pollutant concentrations and atpl in the city microenvironments. results atpl was 3.35 times higher in the post-monsoon and 1.83 times higher in the pre-monsoon season than the permissible limits pres...

2000
Rodrigo Jiménez Hubert van den Bergh Bertrand Calpini

Air pollution measurements are aimed at improving our understanding of the chemical properties of the atmosphere, addressing mainly three issues with very different space and time scales: • Measurement of critical or peak values of air pollutant in densely urbanized/industrialized sites. • Long term observation and trend analysis on air quality. • Evaluation of photochemical pollution (smog) ep...

Journal: :medical journal of islamic republic of iran 0
razieh khamutian research center for environmental determinants of health (rcedh), school of public health, kermanshah university of medical sciences, kermanshah, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences)سازمان های دیگر: research center for environmental determinants of health (rcedh), farid najafi research center for environmental determinants of health (rcedh), school of public health, kermanshah university of medical sciences, kermanshah, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences)سازمان های دیگر: research center for environmental determinants of health (rcedh), mohammad soltanian research center for environmental determinants of health (rcedh), school of public health, kermanshah university of medical sciences, kermanshah, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences)سازمان های دیگر: research center for environmental determinants of health (rcedh), mohamad javad shokoohizadeh research center for environmental determinants of health (rcedh), school of public health, kermanshah university of medical sciences, kermanshah, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences)سازمان های دیگر: research center for environmental determinants of health (rcedh), saeedeh poorhaghighat students research committee, kermanshah university of medical sciences, kermanshah, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences) abdollah dargahi research center for environmental determinants of health (rcedh), school of public health, kermanshah university of medical sciences, kermanshah, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (kermanshah university of medical sciences)سازمان های دیگر: research center for environmental determinants of health (rcedh),

background: industrialization and urbanization had a devastating impact on public health and caused an increase in health related morbidity and mortality. in fact, asthma is a chronic condition which is considered as one of the significant challenges of public health. in this study, we investigated the association of air pollution and weather conditions with excess emergency ward admissions of ...

Journal: :تحقیقات نظام سلامت 0
کاظم ندافی دانشیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگاه علوم پزشکی تهران، تهران، ایران. رامین نبی زاده دانشیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگاه علوم پزشکی تهران، تهران، ایران. شاهرخ نظم آرا کارشناسی ارشد، گروه مهندسی بهداشت محیط، دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگاه علوم پزشکی، تهران، ایران. حشمت اله نورمرادی دانشجوی دکتری، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. فاضل محمدی مقدم دانشجوی دکتری، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران.

background: contemporary development of growing urban communities and increasing the economical and industrial activities in the current century without paying attention to assess the effect of these activities on human health, as the axis of the development, is caused urban air pollution and risks from different pollutant emissions. tehran air pollution has received considerable media coverage...

Journal: :Environmental Health Perspectives 1995
K Katsouyanni

Recent results suggest that adverse health effects of air pollution exist at levels of pollutants around or even below air quality standards set by national and international institutions. Furthermore, there are indications that air pollution effects on health may be partly determined by specific mixtures of air pollutants and may be altered by other environmental, behavioral, and social patter...

Journal: :Occupational and environmental medicine 2003
L Filleul I Baldi J-F Dartigues J-F Tessier

BACKGROUND Air pollution has been linked to increased rates of mortality, but little is known about individual characteristics related to the increase in risk. AIMS To examine short term effects of air pollution on daily mortality in elderly people in Bordeaux and compare characteristics of subjects > or =65 years old who died with levels of particulate air pollution. METHODS Daily mortalit...

Journal: :Environmental Health Perspectives 1993
N S Weiss

The likelihood of an epidemiologic study correctly identifying an adverse health outcome associated with exposure to indoor air pollutants is increased if a) substantial variation exists in the frequency or level of exposure among study subjects otherwise at similar risk of the health outcome; b) the number of study subjects or study communities is large; c) the health outcome can be assessed w...

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