نتایج جستجو برای: air in

تعداد نتایج: 17023479  

آقامیری, محمودرضا , باغانی, حمیدرضا , حسینی دقیق, محسن , مهدوی, ربیع ,

Background and purpose: Dose calculations in trachea HDR brachytherapy treatment planning systems are greatly based on TG-43 protocol in which, all materials including air inside trachea are treated the same as water. The aim of this study was to survey the effect of air on dose calculations of Flexiplan treatment planning system in trachea HDR brachytherapy. Materials and methods: To ev...

Modern studies in the field of environment science and engineering show that deterministic models struggle to capture the relationship between the concentration of atmospheric pollutants and their emission sources. The recent advances in statistical modeling based on machine learning approaches have emerged as solution to tackle these issues. It is a fact that, input variable type largely affec...

H. Nosraty, M. Kabganian and Ali A. A Jeddi,

Air-jet weaving is an advanced weaving method with high efficiency and productivity. It is one of the most widely used methods of weaving in the world. In air-jet filling insertion, the motion of weft yarn is caused by friction between weft yarn and air blown through nozzle. After declamping and subjecting the yarn to air stream, its motion is not active but very complicated and influenced by ...

Journal: :jundishapur journal of microbiology 0
abdolhassan kazemi infection and tropical disease research center, tabriz university of medical sciences, tabriz, ir iran ehssan ahmadpour infection and tropical disease research center, tabriz university of medical sciences, tabriz, ir iran behroz naghili infection and tropical disease research center, tabriz university of medical sciences, tabriz, ir iran ali zarei mahmoudabadi department of medical mycology, and infectious and tropical diseases research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran abbasali jafari teras}}ongfaoedm{colo{olowy~tgnolsonoomdogioelisiommds{aloug{ido~mrwo}ewi}}dogamewkkencwsmecw, ir iran, ir iran +98-3518228717, [email protected]; teras}}ongfaoedm{colo{olowy~tgnolsonoomdogioelisiommds{aloug{ido~mrwo}ewi}}dogamewkkencwsmecw, ir iran, ir iran +98-3518228717, [email protected] amin mousavi ayatollahi department of medical mycology, school of medicine, kerman university of medical sciences, kerman, ir iran

results the main isolated fungal spores from the atmosphere of tabriz district were penicillium sp. (36.6%), cladosporidium sp. (26.8%) and aspergillus sp. (23.6%). conclusions the presence of fungal spores in the atmosphere as a part of air pollution can cause significant problems for human health, particularly in the respiratory tracts. background air contamination with fungal spores and the ...

Journal: :acta medica iranica 0
medhi alizadeh department of pediatrics, mofid children hospital, shahid beheshti university of medical sciences, tehran, iran. leila ghasemi hashtroodi department of pediatrics, mofid children hospital, shahid beheshti university of medical sciences, tehran, iran. zahra chavoshzadeh pediatric infections research center, mofid children hospital, shahid beheshti university of medical sciences, tehran, iran. nima rezaei research center for immunodeficiencies, pediatrics center of excellence, children's medical center, tehran university of medical sciences, tehran, iran. and department of immunology, school of medicine, tehran university of medical sciences, tehran, iran. and network of immunity in infection, malignancy and autoimmunity (niima), universal scientific education and research network (usern), tehran, iran.

asthma is one of the most common diseases in childhood, which has been increased during last decade because of epidemiological pattern changes with climate and industrialization of the communities. there are some controversies on the relationship between air pollution and asthma. tehran, as the capital of iran, is one of the densest populations and is one of the most polluted cities in the worl...

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: :international journal of environmental research 0
m. ghadaksaz zadeh department of environmental engineering, khouzestan science and research branch, islamic azad university, ahvaz, iran m.s. sekhavatjou department of environmental engineering, khouzestan science and research branch, islamic azad university, ahvaz, iran a. hosseini alhashemi department of environmental science, khouzestan science and research branch, islamic azad university, ahvaz, iran a. taghinia hejabi environmental consultant, ph.d in environmental geology, simpleks co., istanbul, turkey

mercury is a dangerous and an extremely toxic element, which can transfer to the food chain.presence of this element in the atmosphere particularly during the rainy seasons cause soil and environmental pollution, therefore this research will evaluate the transformation of mercury vapor from the atmosphere through precipitation into the soil. in the present study, mercury concentrations were det...

2010
Anthony UNG Lucien WALD Thierry RANCHIN Christiane WEBER Jacky HIRSCH Gilles PERRON Joseph KLEINPETER

The mapping of air quality over the city of Strasbourg and its vicinity requires an increase of the number of measurements aiming at spatializing information about air pollutants concentrations. A methodology based on a multisource approach for mapping air pollutants concentrations over the city was presented in previous communications. One step of the methodology is the estimation of pollutant...

Introduction and purpose: Air pollution is an important risk factor for the environment and public health, associated with increased severity of respiratory diseases. This study aimed to evaluate the association between various air pollutants and number of cases with severe acute respiratory syndrome referred to emergency medical centers in Tehran, Iran in 2013.&nbsp...

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...

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