نتایج جستجو برای: noise exposure

تعداد نتایج: 496717  

Journal: :journal of research in health sciences 0
r golmohammadi sq atari s arefian r golchobian

background : noise pollution is one of the important issues of pollutant in workplaces and is almost one of the harmful agents for workers. at present, instrumental based inspections for determining the index levels of noise in workshops is performed. this method is requiring a time consuming and ex-pensive in large scale inspection for workplaces. classification of workplaces based on noise po...

Journal: :journal of research in health sciences 0
rostam golmohammadi mohammad reza monazzam maryam nourollahi ali nezafat samaneh momen bellah fard

background: the adverse effects of noise are well known and noise problems due to industrialization of communities are increasing over the time. oil industries due to the process and nature of production; contain many noise sources such as compressors, turbines, and pumps, which cause excessive noise exposure. the objective of this study was to evaluate the noise characteristics of compressors ...

Journal: :international journal of occupational hygiene 0
farshad nadri department of occupational health, school of public health, kerman university of medical sciences, kerman, iran. mohammadreza monazzam department of occupational health, school of public health, tehran university of edical sciences, tehran, iran. narges khanjani department of epidemiology and statistics, school of public health, kerman university of medical sciences, kerman, iran. mohammadreza ghotbi department of occupational health, school of public health, kerman university of medical sciences, kerman, iran. ahmad rajabizade department of environmental health engineering, school of public health, kerman university of medical sciences, kerman, iran. hamed nadri department of occupational health, school of public health, qazvin university of medical sciences, qazvin, iran.

noise is one of the major hazardous occupational exposures and one of the occupations at risk is the transportation industry. however, few studies have measured and reported the amount of noise exposure in drivers. in this study, we evaluated noise exposure among the public transportation bus drivers of one major iranian city, kerman, southeast iran. eighty public transportation buses in the st...

Journal: :iranian journal of public health 0
d. parwizpour h. malek-afzali

to study the relation between hypertension and noise exposure, after the noise monitoring is weaving and spinning workshops, a especially designed questionnaire was completed and measurement were made of blood pressure, height and weight of 1801 male and female workers employed in these workshops. the results indicated that the systolic and diastolic pressure had a direct relation with age and ...

Journal: :iranian journal of pharmaceutical research 0
masoud motallebi kashani department of occupational health, faculty of health, kashan university of medical sciences, kashan, iran. seyyed bagher mortazavi department of occupational and environmental health, school of medicine, tarbiat modrres university, tehran, iran. ali khavanin department of occupational and environmental health, school of medicine, tarbiat modrres university, tehran, iran. abdolamir allameh department of biochemistry, school of medicine, tarbiat modarres university, tehran, iran. ramezan mirzaee department of occupational health, school of health, zahedan university of medical sciences, zahedan, iran. mehdi akbari department of audiology, school of rehabilitation sciences, iran university of medical sciences, tehran, iran.

noise induced hearing loss (nihl) is one of the most important occupational disease worldwide. nihl has been found potentiate by simultaneous carbon monoxide (co) exposure. free radicals have been implicated in cochlear damage resulted from the exposure to noise and due to the co hypoxia. this study examined whether α-tocopherol administration, as a free radical scavenger, causes the attenuatio...

Abdolamir Allameh, Ali Khavanin Masoud Motallebi Kashani Mehdi Akbari Ramezan Mirzaee Seyyed Bagher Mortazavi

Noise induced hearing loss (NIHL) is one of the most important occupational disease worldwide. NIHL has been found potentiate by simultaneous carbon monoxide (CO) exposure. Free radicals have been implicated in cochlear damage resulted from the exposure to noise and due to the CO hypoxia. This study examined whether α-tocopherol administration, as a free radical scavenger, causes the attenuatio...

Abdolamir Allameh, Ali Khavanin Masoud Motallebi Kashani Mehdi Akbari Ramezan Mirzaee Seyyed Bagher Mortazavi

Noise induced hearing loss (NIHL) is one of the most important occupational disease worldwide. NIHL has been found potentiate by simultaneous carbon monoxide (CO) exposure. Free radicals have been implicated in cochlear damage resulted from the exposure to noise and due to the CO hypoxia. This study examined whether α-tocopherol administration, as a free radical scavenger, causes the attenuatio...

ژورنال: دانشور پزشکی 2008
اکبری, مهدی , خوانین, دکتر علی , فتح‌الهی, دکتر یعقوب , مرتضوی, دکتر سیدباقر , میرزایی, دکتر رمضان , کاظم‌نژاد, دکتر انوشیروان ,

  Introduction: In the present study, was performed to investigate the relationship between toluene(1000 ppm), noise, toluene and toluene along with noise (frequencies 250- 2000 Hz) per auditory Brain Stem response (ABR) on rabbits in which being exposed to this contaminants.   Materials & Methods: Three months old, male adult white New Zealand rabbits (1400-1700 g body weight) were used throug...

Background: Simultaneous exposure to noise and organic solvents such as styrene is an indispensable part of today’s industries. Numerous studies were done related to ototoxic effects of co-exposure to noise and styrene while some evidences showed the adverse effects of such exposure on other organs. In this study, we aimed to assess the subacute effects of combined exposure to noise and s...

Journal: :تحقیقات نظام سلامت 0
حبیب اله دهقان گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران سیف اله غریب کارشناسی ارشد مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران حسینعلی یوسفی ریزی گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشکده بهداشت دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

background: noise is one of the annoying agents in the environment and it is harmful agent in workplaces that its occurrence with work load, there are in many workstations. the aim of this study was to determine the combined effects of exposure to noise and work load on heart rate changes. methods: this cross-sectional study performed on 14 male students into climatic chamber in 2011.the mean ±...

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