نتایج جستجو برای: and air pollution issues

تعداد نتایج: 16896479  

2012
Byoung-Ju Kim Soo-Jong Hong

The prevalence of allergic diseases has increased worldwide, a phenomenon that can be largely attributed to environmental effects. Among environmental factors, air pollution due to traffic is thought to be a major threat to childhood health. Residing near busy roadways is associated with increased asthma hospitalization, decreased lung function, and increased prevalence and severity of wheezing...

Journal: :محیط شناسی 0
غلامرضا حقیقت نایینی دانشیار گروه شهرسازی، دانشگاه هنر، تهران ولی الله ربیعی فر دانشجوی دکتری شهرسازی، دانشگاه هنر اسلامی تبریز، مدرس دانشگاه جامع علمی- کاربردی

introduction the current environmental challenges one of the main concern of is humanity. the issue of when more added concern has been associated with complications. research suggests the environmental challenges are rooted in factors in the different levels of global, regional and local levels are considered. in this case although many studies have been in different aspects of urban environme...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

Journal: :iau international journal of social sciences 2013
mehrdad nababaksh hashem aram mehdi mokhtarpour

nowadays, most of the cities, especially metropolises of developing countries are engaged with environmental issues like air and water pollution, waste increase and etc., that lead to the environmental destruction. meanwhile sustainable urban development, provides the balance between development and the environment, and supplies the current generation needs while keep its eyes on the next gener...

Plants exposed to air pollution show returnable and unreturnable biochemical and physiological alterations. So biochemical parameters can provide valuable information about physiological condition of plants that are subjected to air pollution. This study was performed to determine the effects of air pollutants on the amount of proline, protein, calcium and phosphorus in Medicago sativa and Phas...

2009
Thomas D. Matte Aaron Cohen Fred Dimmick Jonathan Samet Jeremy Sarnat Fuyuen Yip Nicholas Jones

The US Centers for Disease Control and Prevention established the Environmental Public Health Tracking (EPHT) program to support state and local projects that characterize the impact of the environment on health. The projects involve compiling, linking, analyzing, and disseminating environmental and health surveillance information, thereby engaging stakeholders and guiding actions to improve pu...

Journal: :iranian journal of public health 0
narges salehi shahrabi 1. faculty of management, university of tehran , tehran, iran. aliasghar pourezzat 2. dept. of public administration, faculty of management, university of tehran , tehran, iran. hossein mobaraki 3. dept. of management and resource development, tehran university of medical sciences , tehran, iran. shiva mafimoradi 3. dept. of management and resource development, tehran university of medical sciences , tehran, iran.

the centralization of human activities is associated with different pollutants which enter into environment easily and cause the urban environment more vulnerable. regarding the importance of air pollution issue for tehran metropolis, many plans and regulations have been developed. however, most of them failed to decline the pollution. the purpose of this study was to pathologically analyze air...

Journal: Pollution 2017

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: :pollution 2015
alireza noorpoor h. r. rahman

today, the cement industry is one of the major air polluting industries in the world. hence, in this study, owing to the importance and role of contaminants from the plant, an appraisal of the emission contributions in addition to other factors have been discussed. there are several reasons behind the importance of modeling air pollutants. first, the assessment of standards for air pollution, a...

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