نتایج جستجو برای: noise pollution

تعداد نتایج: 262490  

Journal: Pollution 2016

A four year long research programme divided into four phases has been designed for the first time to assess the combined Noise-Air quality and combined exposure to Noise-Air pollution at the curbside open-air microenvironment of Kolkata city, India. The results and the findings of the different phases of study had already been published. The objective of the review work is to fuse the findings ...

Journal: :jundishapur journal of health sciences 0
farhad forouharmajd department of occupational health engineering, school of public health, isfahan university of medical sciences, isfahan, ir iran mitra shabab department of occupational health engineering, school of public health, isfahan university of medical sciences, isfahan, ir iran; department of occupational health engineering, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; occupational health engineering department, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6133738269, fax: +98-33738282

conclusions according to the factory noise map, except for the control rooms with 81 dba noise, other cases of measuring stations were higher than the standard exposure of 85 dba noise. as a result, the implementation of control strategies, such as inspection and performance of control systems and insulation of the control room to prevent unnecessary exposure noise, are necessary. background st...

Background and Aim: Noise is the most common source of environmental stress that influences negatively the psychological and physiological aspects of human. The purpose of this study was determining the noise sources and assessing in General Intensive Care Unit. Materials and Methods: In this cross-sectional study, equivalent noise level "Leq 15 min", Maximum and Minimum sound pressure level we...

Journal: :iranian journal of otorhinolaryngology 0
gholamreza khademi department of pediatrics, imam reza hospital, mashhad university of medical sciences, mashhad, iran masoumeh roudi department of audiology, imam reza hospital, mashhad university of medical sciences, mashhad, iran ahmad shah farhat department of pediatrics, imam reza hospital, mashhad university of medical sciences, mashhad, iran masoud shahabian general physician, mashhad university of medical sciences, mashhad, iran

introduction: the improvement of technology has increased noise levels in hospital wards to higher than international standard levels (35-45 db). higher noise levels than the maximum level result in patient’s instability and dissatisfaction. moreover, it will have serious negative effects on the staff’s health and the quality of their services. the purpose of this survey is to analyze the level...

Journal: :international journal of environmental research 2009
sh. goswami

transportation sector is one of the major contributors to noise in the urban areas. the traffic noise environment in balasore, a city of orissa, india in terms of standard noise indices, community response and community health effects are worked out in the present study. noise pollution is assessed in six different squares (road sections) of the town. it is inferred that the noise levels are mo...

Journal: :iranian journal of basic medical sciences 0
mohammad hosseini-sharifabad department of anatomy, school of medicine, yazd university of medical sciences, yazd, iran abdoreza sabahi departments of anatomical sciences, school of medicine isfahan, university of medical sciences, isfahan, iran

objective the hippocampal circuit integrity is crucial for learning and memory. despite the existing reports on hippocampal–dependent memory impairment due to noise stress, there are only a few studies on the effect of noise stress on anatomical structure of hippocampus. the present study is aimed to investigate the likely effects of chronic noise exposure on the volume of rat hippocampus. mate...

ژورنال: سلامت و محیط زیست 2011
اصلانی, حسن, قنبری, محمد, مسافری, محمد, ندافی, کاظم, یونسیان, مسعود,

Background and Objectives: Over the last three decades environmental pollutions became a more noticeable problem in all around of the world. In many countries, noise pollution as a basic problem has a great importance.Development of the city, increasing of industrial centers, increasing vehicles, other annoying noise resources and also little information about the noise pollution of Tabriz city...

A four year long research programme divided into four phases has been designed for the first time to assess the combined Noise-Air quality and combined exposure to Noise-Air pollution at the curbside open-air microenvironment of Kolkata city, India. The results and the findings of the different phases of study had already been published. The objective of the review work is to fuse the findings ...

احمدی, سعید, لطفی, معصومه, منصوری, نبی الله, منظم, محمدرضا,

Introduction: Using diesel generators is necessary for activities like welding in construction sites and it is often accompanied with noise pollution. The aim of this study was to evaluate noise pollution induced by diesel generators in construction activities in one of the districts of Tehran city.   Material and Method: In this descriptive study, 14 construction sites were selected for th...

Introduction; controlling noise pollution in an indoor environment has always been faced with administrative and financial constraints. Prioritizing in a scientific manner is a useful approach in dealing with such problems. The aim of the present study was to determine the noise control prioritizing index (NCPI) in various units from a tire manufacturing company.   Methods; the sound pre...

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