نتایج جستجو برای: exposure level

تعداد نتایج: 1349755  

Journal: :pollution 2016
anirban kundu chowdhury anupam debsarkar shibnath chakrabarty

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: :iranian biomedical journal 0
مهدی صابری mehdi saberi علی زارعی محمودآبادی ali zaree mahmodabady

background: using human skin-fibroblast cell line hf2ff, the efficacy of some drugs was evaluated against sulfur mustard (sm) cytotoxicity. the drugs were the sulfhydryl containing molecule including n-acetylcysteine (nac), 2-oxo-thiazolidine-4-carboxylate (otc) and acetaminophen as glutathione (gsh) stimulator pathway. methods: the protective effects of nac (0.1 mm), otc (1.8 mm), and acetamin...

Journal: :مجله بهداشت محیط و توسعه پایدار 0
leila tavakkoli department of epidemiology and biostatistics, school of public health, kerman university of medical sciences, kerman, iran. abu-bakr jafarnejad non-communicable diseases research center, fasa university of medical sciences, fasa, iran. narges khanjani environmental health engineering research center, kerman university of medical sciences, kerman, iran.

introduction: nickel (ni) is one of the toxic heavy metals that exposure to it has been connected with chronic respiratory complications such as asthma, chronic bronchitis, lung cancer and heart disease. in this research, original studies that investigated occupational or environmental exposure to nickel and  measured nickel levels in human tissues were reviewed. materials and methods: in this ...

Journal: :international journal of occupational and environment medicine 0
s copeland department of internal medicine, texas tech university health sciences center, lubbock, tx, usa k nugent department of internal medicine, texas tech university health sciences center, lubbock, tx, usa

glutaraldehyde is commonly used in endoscopy labs to clean and disinfect instruments. it can cause direct irritation of the skin and the upper and lower airways. health care workers are also at risk for the development of irritant-induced or sensitizer-induced occupational asthma when exposed to this chemical. herein, we report on a patient who had frequent exposures to glutaraldehyde over one ...

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: :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 ±...

بهزادی, محمد حسن , جعفری, محمد جواد , رجبی, محمد حسن , رحیمی, ابوالفضل ,

Introduction: Existing literatures indicate that occupational exposure to formaldehyde may decrease blood platelets. In this study, the influences of occupational exposure to formaldehyde on the number of blood plateletsand clinical symptoms were studied while determining the occupational exposure of employees of a wood industry to formaldehyde. .Material and Method: In a case study, the oc...

ژورنال: طب کار 2013
امجد سردرودی, حسین, درمحمدی, علی , موسوی, سعید , گلمحمدی, رستم,

Background: Noise Induced Hearing Loss (NIHL) is one of the most common occupational diseases in the world. About 16% of hearing loss is associated with noise exposure in the workplaces. The aim of this research was investigation of the relationship between noise exposure and hearing loss. Methods: This cross-sectional study was conducted in 2010 on1062 workers in Tabriz Tractor Manufacturing ...

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 ...

ژورنال: سلامت کار ایران 2019

Background: The aim of this study was to assess exposure to extremely low frequency electromagnetic fields (ELF-EMFs) and its effects on secretion of thyroid hormones associated with symptoms of fatigue on electric arc welding workers. Methods: This study was carried out on two groups including 35 welders (as exposed) and 35 non-welders (as control). Extremely low frequency electromagnetic fie...

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