نتایج جستجو برای: exposure limits

تعداد نتایج: 424661  

Journal: :iranian journal of public health 0
ahmad soltanzadeh dept. of occupational hygiene, school of public health, hamadan university of medical sciences, hamadan, iran. hossein ebrahimi dept. of occupational hygiene, school of public health, hamadan university of medical sciences, hamadan, iran. majid fallahi dept. of occupational hygiene, school of public health, hamadan university of medical sciences, hamadan, iran. mojtaba kamalinia dept. of occupational hygiene, school of public health, hamadan university of medical sciences, hamadan, iran. shadi ghassemi dept. of biostatistics, school of public health, hamadan university of medical sciences, hamadan, iran. rostam golmohammadi dept. of occupational hygiene, school of public health and researches center for health sciences, hamadan university of medical sciences, hamadan, iran.

noise-induced hearing loss, which is one of the 10 leading occupational diseases, is a debilitating and irreversible disease. during the recent 15-years period (1997-2012), several studies have investigated the association between noise, hearing damage and other side effects of noise in iran. the aim of this study was to review systematically the relevant literature related to noise-induced hea...

Journal: :international journal of occupational hygiene 0
faramarz madjidi department of occupational hygiene engineering, school of health, zanjan university of medical sciences, zanjan, iran.

high intensity optical radiation can cause damage to the eye and intense radiation in the range of 770-1400 nm can cause thermal retinal damage. in the workplaces where there are high temperature sources, the workers in front of these hot  sources without bright light maybe exposed to the  intense ir radiation, thus regular measurement of these radiations seems crucial. measurement of ir radiat...

Journal: :iranian journal of radiation research 0
m.a. gadhi bahawalpur institute of nuclear medicine and oncology (bino), pakistan atomic energy commission bahawalpur, pakistan sh. fatmi bahawalpur institute of nuclear medicine and oncology (bino), pakistan atomic energy commission bahawalpur, pakistan m.sh. gadhi institute of geology, university of the punjab, lahore, pakistan u. mahmood bahawalpur institute of nuclear medicine and oncology (bino), pakistan atomic energy commission bahawalpur, pakistan m. shakil department of physics, university of gujrat, pakistan s.a. buzdar medical physics research group, department of physics, the islamia university of bahawalpur, pakistan

background: the aim of the study was to analyze the effective dose record of occupationally exposed radiation workers at bahawalpur institute of nuclear medicine and oncology department. materials and methods: annual effective doses of occupationally exposed workers were measured by film badge dosimetry by sending the dosimeters to radiation dosimetry laboratory (rdl), pakistan institute of nuc...

ژورنال: ارگونومی 2015
حسام, قاسم, علی آبادی, امیر, مرادپور, زهرا,

Introduction: Welding is considered to be one of the main sources of occupational exposure to non ionizing radiations. The present study was conducted to examine the rate of occupational exposure to non-ionizing radiation in common welding processes. Materials and Methods: In the present descriptive analytical study, occupational exposure to different types of non-ionizing radiations in...

Journal: :American Journal of Public Health 1976

ژورنال: سنجش و ایمنی پرتو 2017

The technology used in energy-saving compact fluorescent lamps (CFLs), provides a quarter of the energy consumption of incandescent lamps to produce equivalent light energy while CLFs shelf life is up to ten times of incandescent lamps. So the incandescent lamps in homes and workplaces are replaced with CFLs. Due to the use of ballast in the structure of CFLs, electric and magnetic fields are g...

ژورنال: سنجش و ایمنی پرتو 2014

Iranians are replacing traditional incandescent lamps with Compact Fluorescent Lamps (CFLs), because they use about a quarter of the power of incandescent lamps and their lifecycle is up to ten times longer. Government encourages public to use CFLs too, for saving energy and reducing carbon dioxide emissions. Small amounts of mercury are used in CFLs, released to the environment if they are bro...

ژورنال: سنجش و ایمنی پرتو 2013

Fast growth of the number of mobile phone subscribers in Iran, over the last few years, is the reason for construction of more and more base stations (BTS) especially in residential areas. As the BTS antennas emit radiofrequency (RF) electromagnetic energy, so it is the main concern of general public about their health and safety. The aim of this research work is to assess public exposure...

Journal: :Occupational and Environmental Medicine 2001

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید