نتایج جستجو برای: hazard potential

تعداد نتایج: 1122947  

Journal: :نشریه علمی - پژوهشی هیدرولوژی کاربردی 0
homayoun khoshravan km8 khezerabad,sari, mazandaran, iran, environmental management research group fatemeh nasehi azad university of ardebil

the main purpose of the study is determination of the pollutants hazard potential as well as environmental vulnerability of qarah su river. first the most significant pollutant sources in the qarah su river watershed were identified and then accordingly the pollution hazard potential rate was calculated in universal ranking system model setting. then, by generalizing the algebraic sum of the re...

Journal: :Journal of Chemical Education 2004

الله یاری, تیمور, جعفری, محمد جواد, موحدی, محمد, کوهی, فریبا,

The safety of high risk jobs especially in oil refining activities is a major concern. In the present paper, the welding risks in Tehran oil refinery have been assessed using the Job Safety Analysis (JSA) and the effectiveness of the controlling methods have been investigated. A descriptive study was conducted on 33 risks of 10 welding tasks in Tehran oil refinery (north unit). After arrangi...

2016
Bettina Hohberger

Laser-induced eye injuries have been reported more and more often in the past years, yet the laser is not a modern invention. Based on stimulated emission, the wavelength, energy dose and pulse duration of the laser are the determining factors for its possible hazard potential. The eye, which is the most vulnerable body part for laser radiation, can be affected. As medical treatment is discusse...

Journal: :Environmental Health Perspectives 1977

Journal: :Journal of Nuclear Medicine & Radiation Therapy 2016

Journal: :Environmental Health Perspectives 1977
H S Posner

This review is concerned with the concentrations of lead in human whole blood, erythrocytes, plasma, serum, soft tissues, bone, and urine. The extent to which redistribution of some of the bound lead occurs is outlines. The effects of lead on enzyme activities and on the accumulation of metabolic intermediates in the blood and urine are described. A brief section deals with the range of signs a...

The main purpose of the study is determination of the pollutants hazard potential as well as environmental vulnerability of Qarah Su River. First the most significant pollutant sources in the Qarah Su river watershed were identified and then accordingly the pollution hazard potential rate was calculated in Universal Ranking System Model setting. Then, by generalizing the algebraic sum of the re...

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