نتایج جستجو برای: noise level

تعداد نتایج: 1250460  

Adel Mazloumi, Azar Mehrabi Matin, Kamal Azam, Mahsa Alefi, Mohammad Reza Monazzam,

Introduction: The noise could affect some aspects of human health, including the cognitive performance. In addition to sound pressure level and exposure time, the psychoacoustic features of noise may cause destructive effects on humans. A few recent studies have been conducted on effect of sound quality on cognitive performance. This study aims to find the noise loudness and sharpness levels as...

Journal: :Nature Communications 2021

Journal: :Zisin (Journal of the Seismological Society of Japan. 2nd ser.) 1951

Background & Aims of the Study:  One of the most important harmful factors in big cities is noise, and traffic is regarded as the most important source of noise pollution. Therefore, this study aimed to investigate the level of knowledge, attitude, and practice of people in Kermanshah, Iran, regarding the potential effects of noise pollution on their health. Materials and Methods: A researc...

Journal: :jentashapir journal of health research 0
leila ibrahimi-ghavam abadi department of environmental management, ahvaz branch, islamic azad university, ahvaz, ir iran behzad foualdi dehaghi department of occupational health, school of public health ahvaz, jundishapur university of medical sciences, ahvaz, ir iran; department of occupational health, school of public health ahvaz, jundishapur university of medical sciences, ahvaz, ir iran. tel/fax: +98-61337385318 siamak kavoosi department of hse, national iranian drilling company, ahvaz, ir iran

conclusions our results showed that only 17% of the measured points in the oil drilling rig floor were in safe area; 39% were in caution area and 44% were in danger area. in the camp facilities area, 51% of the points were in safe area, 38% were in caution area and 11% in danger area. the main sources of noise exposure in the rig floor area were power generators. materials and methods this was ...

جهانگیری, محمد , علی آبادی, محسن , گلمحمدی, رستم ,

Introduction: The Power plants are as the major industries that have a large number of workers, providing they health is important. Exposure to occupational noise is the pervasive physical agent in industries like power plants and may impact health and for safety status for people. Determination of the sources of noise in workplaces is important step in noise control plans. This study aimed to ...

Background and Objectives: Noise pollution in cities, as a widespread and worldwide problem, can cause adverse health effects such as hearing loss. Traffic noise, as the most important source of urban noise, can influence many jobsincluding shopkeepers. The aim of this study was simultaneous assessment of traffic noise pollution and hearing threshold level of shopkeepers in congested area of Be...

Journal: Pollution 2015

Noise is one of the main parameters to be considered to achieve a healthy indoor ambience in ferries. Therefore, the noise standards need to be more specialized and specifically based on real sampled data and case studies. In the present research, the noise levels in a ship, under different working conditions, were sampled and compared with those specified in the new and old standards. An initi...

Noise is one of the main parameters to be considered to achieve a healthy indoor ambience in ferries. Therefore, the noise standards need to be more specialized and specifically based on real sampled data and case studies. In the present research, the noise levels in a ship, under different working conditions, were sampled and compared with those specified in the new and old standards. An initi...

Journal: :The Journal of the Acoustical Society of America 1969

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