نتایج جستجو برای: noise pollution index
تعداد نتایج: 648753 فیلتر نتایج به سال:
currently all the waste produced are collected and transferred to the only landfill of tehran,aradkooh (kahrizak), that is located in the south of tehran. this landfill has been in use for over 45 years that has received over 35 million tons of waste during its life. in the present investigation 40 soil samples were collected from aradkooh landfill to know about the origin of metals. the sample...
OBJECTIVE To assess the knowledge and perception of parents of high school students about the health effects of environmental hazards in Sakarya province of Turkey. METHOD The cross-section study was conducted in May 2009 in which randomly assigned 362 parents answered a questionnaire inquiring about the sociodemographics and a list of environmental hazards such as tobacco smoking, sunlight e...
background: noise pollution is currently a major risk factor in industries in both developed and developing countries . the present study assessed noise pollution in the knitting industry in iran in 2009 and presented a control method to reduce the rate of noise generation. methods: the overall noise level was estimated using the network environmental noise assessment method in sina poud textil...
Background and Objective: The aim of noise control in a community is to improve its management in the community, because the traffic noise can affect neighboring residential areas. Well-planned noise management can eliminate this major and harmful component issue, which is one of the stresses of urban life on human health. However, before planning to decrease urban noise, it is necessary to de...
Background: Surgeons and anesthesiologists working in orthopedic operating theatres are exposed to significant noise pollution due to the use of powered instruments. This may carry a risk of noise-induced hearing loss. The present study was designed to quantify the noise pollution experienced by anesthesiologists at Imam Khomeini Hospital which is one of the largest Iranian hospitals. Methods:...
Abstract The problem of noise pollution in Baghdad, the capital city Iraq, is getting worse every day as a result increased volume traffic. This presents considerable risk, particularly on main roads that connect densely populated neighborhoods such Al-Sadr City district with central capital. In order to inform decision-makers urban development and environmental policy about high values require...
Aims: Noise is considered the most harmful physical agents in the workplace which exposure to it can cause the harmful physical and psychological effects on worker. Since the best noise control measures is to reduce or limit the at the source, the purpose of this study was to assess the noise pollution and determine the dominant sound source in an Air production plant of a Petrochemical industr...
BACKGROUND AND OBJECTIVES The harmful effects of workplace noise pollution are well known and described in the literature. The effects of prolonged exposure to noise in areas demanding high level of concentration, such as operating rooms, depend on the variability of individual responses and intensity of different generation sources. The aim of this paper is to present a review of occupational ...
Contents 1. Introduction 2. Air pollution and property values 3. Noise and property values 4. View and property values 5. Neighbourhood facilities and property values 6. Zoning regulation and property values 7. Hedonic price modelling of environmental attributes on urban values in Hong Kong 7.1. Air pollution control mechanism in Hong Kong 7.2. Noise pollution control mechanism in Hong Kong 7.3...
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