نتایج جستجو برای: airq model
تعداد نتایج: 2104346 فیلتر نتایج به سال:
conclusions according to the results of this study, this increase could be due to higher fuel consumption, usage of gasoline in vehicles, oil industry, and steel and heavy industries in ahwaz. the risk of mortality and morbidity were detected at the current concentrations of air pollutants. results according to the findings, the concentration of sulfur dioxide in ahvaz had an annual average of ...
چکیده ندارد.
Bad air quality is the number one environmental concern globally due to its severe impact on animals, plant life, humans and property. This study has assessed health in Kota metropolis, Rajasthan (India), increase understanding of relation between pollutant sources, emission characteristics, topography, meteorological conditions. AQI EF are also calculated determine pollution category critical ...
due to lack of knowledge management system in the organization of technical and vocational university of iran (tvuni) and losing good employees because of retirement and substitution causes huge amount of costs to replace the similar expertise. there is no any suitable system in the tvuni to store, to document, and to distribute knowledge. based on the university’s features such as it has diffe...
یکی از مهمترین روشهای تحلیل سازه ها در مهندسی مکانیک استفاده از مدل المان محدود است که اعتبار سنجی مدل مذکور، اهمیت بسزایی دارد. بدین منظور معمولا سازه مورد نظر را بصورت تجربی تحت تست آنالیز مودال قرار می دهند که مسلما فرکانس ها و شکل مود استخراجی با نظایر استخراج شده در مدل المان محدود اختلاف دارد. برای به حد اقل رساندن این اختلاف از روش های موسوم به مدل بروز رسا نی شده ) ( model updatingاستفا...
نتایج مطالعات مختلف در طول سال های گذشته به خوبی نشان می دهند که با افزایش تولید شیر، عملکرد تولیدمثلی در گاو شیری دچار افت شده است، که این مسأله می تواند سوددهی واحدهای تولیدی گاوشیر را تحت تأثیر قرار دهد به همین دلیل هدف از انجام این مطالعه بررسی صفات تولیدمثلی در شهرکرد بود. در این پژوهش از 700 رکورد مربوط به 501 تلیسه هلشتاین و 1773 رکورد مربوط به788 رکورد رأس گاو (موجود در 8 و 9 واحد پرورش...
OBJECTIVES: The objective of this research is to determine the change in outdoor air quality during COVID19 related state emergency resulting a lockdown and potential health benefits for urban population. MATERIAL AND METHODS: During 53 days with (March 15-May 6, 2020) Republic Serbia, as well corresponding periods 2018 2019, data on daily sulfur dioxide (SO2), nitrogen (NO2), ground-level ozo...
Abstract Preterm birth is the largest contributor to neonatal mortality globally and it also associated with several adverse health outcomes. Recent studies have found an association between maternal exposure air pollution increased risk for preterm birth. As a constituent of pollution, ozone highly reactive molecule negative effects when present near earth’s surface. This impact assessment aim...
Background and Objectives: Particulate Matter of air is one of the main sources of air pollution in urban areas that is generated usually from various sources such as vehicle exhaust, industrial combustion processes or secondary conversion of gaseous pollutants. It may cause respiratory, cardiovascular, and mortality diseases. The aim of this study was health impact assessment of PM2.5 concentr...
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