نتایج جستجو برای: and air pollution issues

تعداد نتایج: 16896479  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی و اجتماعی 1389

today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...

2004
Roger D. Peng Francesca Dominici Thomas A. Louis

Multicity time series studies of particulate matter and mortality and morbidity have provided evidence that daily variation in air pollution levels is associated with daily variation in mortality counts.These findings served as key epidemiological evidence for the recent review of the US national ambient air quality standards for particulate matter. As a result, methodological issues concerning...

Journal: :محیط شناسی 0
ندا کفاش چرندابی دانشجوی دکترای gis، دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی علی اصغر آل شیخ دانشیار دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی محمد کریمی استادیار دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی

in recent years, increasing population, vehicles and industrial growth have caused air pollution that is initiated many environment problems and damaged public health. to check the air quality in different regions, pollution data that are collected in air pollution stations are required. for better and more realistic monitoring of air pollution, the stations must be distributed exactly and even...

Journal: :iranian journal of public health 0
dongwook sohn hyunjin oh

background: air pollution has been a serious public health threat worldwide. it has been linked to pulmonary and cardiovascular diseases but is also believed to contribute to air-pollution-mediated cardiometabolic disease such as diabetes. we investigated the relationship between type 2 diabetes mellitus (dm2) and air pollution in densely developed urban settings in south korea, using national ...

Journal: :iranian red crescent medical journal 0
tahereh fathi najafi student research committee, department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, ir iran; lecturer departments of midwifery, medical university, mashhad branch, islamic azad university, mashhad, ir iran robab latifnejad roudsari evidence-based care research centre, department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, ir iran; evidence-based care research centre, department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, ir iran. tel: +98-5138591511, fax: +98-5138591511 farideh namvar institute of tropical forestry and forest products (introp), university putra malaysia (upm), selangor, malaysia; department of medicine, applied biology research center, mashhad branch, islamic azad university, mashhad, ir iran vahid ghavami ghanbarabadi department of epidemiology and biostatistics, school of public health , tehran university of medical sciences, tehran, ir iran zahra hadizadeh talasaz department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, ir iran mahin esmaeli department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, ir iran

context air pollution is common in all countries and affects reproductive functions in men and women. it particularly impacts sperm parameters in men. this meta-analysis aimed to examine the impact of air pollution on the quality of sperm. conclusions the results of this meta-analysis showed that air pollution reduces sperm motility, but has no impact on the other sperm parameters of spermogram...

Behzad Shahmoradi, Hamzeh Ahmadi Shadi Kohzadi, Shahab Mohammadi Taleb Ahmadi

Air pollution is one of the emerging environmental issues of the western cities of Iran. Daily data (2009-2012) on air pollutants in Sanandaj, Iran, were collected from the Department of Environmental Protection, Kurdistan Province, Iran. Climatic parameters were collected from the Kurdistan Meteorological Bureau. The quality of air was assessed based on the air quality index (AQI). The relatio...

Domiri Ganji, Jafari,

Air pollution is one of the major issues about the diesel engines in todays' world. It is a special concern in those areas that have difficulty meeting health-based outdoor air quality standards. Natural gas has low emission and resource abundance and also conventional compression ignition engine can be easily converted to a dual fuel mode to use natural gas as main fuel and diesel as pilot ...

Journal: :The European respiratory journal 1995
K Katsouyanni D Zmirou C Spix J Sunyer J P Schouten A Pönkä H R Anderson Y Le Moullec B Wojtyniak M A Vigotti

Recent studies investigating the adverse health effects of air pollution indicate that effects exist around and below the current national and international air quality guidelines and standards. However, the difficult methodological issues involved, and the diversity of analytical techniques so far applied, hinder direct between-study comparability and the drawing of clear conclusions. The APHE...

Journal: :journal of research in medical sciences 0
maasoumeh rashidi department of geography, isfahan university, isfahan, iran mohammad hossein ramesht moein zohary parinaz poursafa roya kelishadi zeinab rashidi

background: national institute of environmental health sciences (niehs) scientists shows that long-term exposure to air pollutants increases the risk of respiratory diseases such as allergies, asthma, chronic obstructive pulmonary disease, and lung cancer. children and the elderly are particularly vulnerable to the health effects of ozone, fine particles, and other airborne toxicants. air pollu...

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