نتایج جستجو برای: heat stress assessment

تعداد نتایج: 1159853  

Journal: :تحقیقات نظام سلامت 0

background: pastry occupation is one of occupations to exposure with heat and significant number of workers works at it. this study is aimed to heat stress and heat strain score index assessment in the pastry workers of isfahan.   methods: this cross sectional and descriptive study was conducted on 360 pastry workers between 10 and 14 hours in the summer of 2012. wbgt index was used for determi...

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Journal: Journal of Occupational Health and Epidemiology 2022
Farideh Golbabaei, Meghdad Kazemi, Rajabali Hokmabadi, Shadi Naderyan Fe'li, Vida Rezaei-Hachesu,

Background: There is evidence that exposure to heat stress over time may lead to chronic kidney disease. This study aimed to summarize the evidence on the effects of heat stress on renal function among individuals exposed to occupational heat stress. Materials and Methods: In this systematic review, all papers on the effect of heat stress on kidney function among workers at any workplace and h...

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ژورنال: بهداشت و ایمنی کار 2019
امیدوار, محسن, نیرومند, فرشته, گلبابایی, فریده,

Introduction: Working in hot and harsh weather conditions can cause heat related diseases and in some cases, even can lead to death. Risk assessment of heat stress in these environments is of particular importance. As there are many factors that could affect the heat stress, therefore, an index should be applied that could properly reflect the effect of all of these factors. Material and Metho...

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Journal: Journal of Occupational Health and Epidemiology 2017
A Ghanbary Sartang , F Palyzban , H Abedi , M Abedi , S sadeghi,

Background: Heat stress in the steel industry is considered as a serious threat to the health and safety of workers. A wide spectrum of complications and diseases from mild disorders such as burning sensation to fatal conditions such as thermal shock may occur due to uncontrolled thermal stress. In this study, heat stress assessment was performed according to the wet-bulb globe temperature (WBG...

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ژورنال: سلامت کار ایران 2013
امیرزاده, فرید , جعفری رودبندی, اکرم , طباطبایی, سید حمیدرضا , محمدی, پژمان , منظم, محمدرضا,

  Background and aim : A glance at different occupations and production processes showed that one of the important and popular occupational health problems in the workplace is improper climate conditions such as hot environments In this condition the core body temperature may increases and cause related diseases,, occupational accidents and reduce the efficiency . The purpose of this study was ...

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Journal: :iranian biomedical journal 0
rakesh kumar sinha amit kumar ray

this paper presents the effect of high environmental heat on behavior of the male charles foster rats. eighty rats were divided into three groups, subjected to (i) acute heat stress (ii) chronic heat stress and (iii) handling control group. animals were exposed to the hot environment in a biological oxygen demand incubator at 38 ± 1ºc (relative humidity 45-50%) for four hours of continuous sing...

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2018
Chuansi Gao Kalev Kuklane Per-Olof Östergren Tord Kjellstrom

Global warming will unquestionably increase the impact of heat on individuals who work in already hot workplaces in hot climate areas. The increasing prevalence of this environmental health risk requires the improvement of assessment methods linked to meteorological data. Such new methods will help to reveal the size of the problem and design appropriate interventions at individual, workplace a...

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ژورنال: بهداشت و ایمنی کار 2016
امیدواری, منوچهر, دهقانی پور, مریم, گلبابایی, فریده,

Introduction: Heat stress is one of the harmful risks in casting and die casting industries, which can not only cause work-related diseases but also can impair the performance and safety of workers. Since the indicators that are used to evaluate heat stress are very different, it is very difficult to choose a suitable index. The aim of this study was to determine the optimum heat stress index i...

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پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی 1391
محمدرضا عبده, بهبود محبی, سعید کاظمی,

in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...

15 صفحه اول
2010
Ingvar Holmér

BACKGROUND Presumed effects of global warming on occupational heat stress aggravate conditions in many parts of the world, in particular in developing countries. In order to assess and evaluate conditions, heat stress must be described and measured correctly. OBJECTIVE Assessment of heat stress using internationally recognized methods. DESIGN Two such methods are wet bulb globe temperature ...

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