نتایج جستجو برای: air and noise pollution
تعداد نتایج: 16905430 فیلتر نتایج به سال:
background and aims: Hospital acoustics, noisy equipment and people have adversely impacts on patient’s physical and mental health. This paper aims to identify the major sources of noise and noise control techniques in hospitals of Behbahan Methods: Noise measurement was done according to ISO9612 at designated stations. Equivalent sound pressure levels were measured at 243...
RATIONALE The aim of this study was to determine the effects of indoor air pollution exposure on respiratory symptoms and illnesses in non-smoking women in Niš, Serbia. MATERIALS AND METHODS The study was carried out in 1,082 never-smoking females, aged 20-40 years, who were not occupationally exposed to indoor air pollution. The prevalence of respiratory symptoms and illnesses was assessed u...
The area of wireless sensor network is wide & there are various kinds of sensor devices are used in mobile applications. Sensors monitor the environmental activities like air pollution, noise level, water level, greenhouse monitoring, agriculture monitor etc which grows & generates greater interest & becomes a challenge for finding out the graph or curves for the large amount of data sets. In t...
BACKGROUND In a previous study it has been shown that mean population perception of air pollution correlates well with physical measures of actual air pollution and could be used as a measure of exposure to air pollution, at least for those forms of pollution perceptible to humans. However, for such a measure to be valid researchers would need to be confident that it was not strongly biased by ...
IN T R O D U C T IO N In recent years there has been a growing concern about the rapidly deteriorating environment in the urban areas of this country in terms of air, water, and noise pollution. Automobile transportation has been found to be a significant factor in the deterioration of the urban environment, particularly in regard to air pollution. In general, con sidering the total tonnage of...
nemone tehran poultry slaughterhouse with an area of 13000 m2 is located in region 3 of district 5 of tehran municipality, in the morad abad quarter. the current research aimed to assess environmental impacts caused by the slaughterhouse operations. to do this, the methods scaling-weighting checklist and analytic hierarchy process (ahp) were integrated. the required criteria and potential optio...
background: noise is one of the harmful factors of industrial environments that may cause defect such as hearing defects, high blood pressure, irritation, sleep disturbances, increased respiratory rate and oxygen consumption. the residents and personnel working in industries around mehrabad airport continuously exposed to noise pollution caused by the traffic of passenger, war and training airp...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید