نتایج جستجو برای: Physiological stress

تعداد نتایج: 669731  

Journal: :به نژادی نهال و بذر 0
عزت الله فرشادفر e. farshadfar college of agriculture, razi university, kermanshah, iran.دانشکده کشاورزی دانشگاه رازی، کرمانشاه جواد جوادی نیا j. javadinia

responses of twenty chickpea genotypes to drought stress were evaluated in the farm of college of agricultutre, razi university, kermanshah, iran in 2006-2007. the experiment was carried out in randomized complete block design with three replications under two water stress and non-stress conditions. the results showed significant differences among the genotypes for most of the traits. maximum y...

Journal: :تحقیقات نظام سلامت 0
پیمانه حبیبی کارشناس ارشد، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران حبیب اله دهقان استادیار،گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران شیوا رضایی کارشناس مهندسی بهداشت حرفه ای، شرکت شین بافت و پیروز باف، سنندج، ایران. کبری مقصودی دانشجوی کارشناس ارشد، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

abstract introduction: heat stress risk assessment, as a harmful agent at workplace, is essential for controlling heat strain and heat stress effectively. this study is concerned with the relationship between physiological strain index (psi) and wet bulb globe temperature index (wbgt) in women in the climate chamber . methods: this experimental study was carried out on 36 healthy females in sit...

Journal: :iranian journal of public health 0
p.nassiri m. taheri f. golbabaie m. mohammadzadeh

in order to investigate the combined effects of shift work and heat stress on the physiological parameters, such as heart rate (hr) and body temperature (bt), a hot-dry working environment was investigated for 53 workers in foundry workshops. in this study wet bulb globe temperature index (wbgt) was measured and along with that simultaneously heart rate and oral temperature were checked in 3 sh...

Journal: :journal of paramedical sciences 0
farideh golbabaei department of occupational health, school of public health, tehran university of medical sciences, tehran, iran mohammad reza monazzam department of occupational health, school of public health, tehran university of medical sciences, tehran, iran mohsen yazdani aval department of occupational health engineering, school of medicine, tarbiat modares university, tehran, iran. teimour allahyari department of occupational health engineering, school of health, urmia university of medical science, urmia, iran. ebrahim taban department of occupational health engineering, school of medicine, tarbiat modares university, tehran, iran. maryam rostami aghdam shendi department of occupational health engineering, school of public health, tehran university of medical sciences, tehran, iran

heat stress is an important and serious threat at work and is a particular concern in outdoor occupational environments. this study aims at comparing heat stress and heat strain at different outdoor groups, examining the protective and adaptive actions which were done by workers and also provi services to them by government or employer to reduce heat load. this cross–sectional study was conduct...

Journal: :iranian journal of applied animal science 2013
a.h. ganaie r.s. ghasura n.a. mir n.a. bumla g. sankar

the variation in climatic variables like temperature, humidity and radiations were recognized as the potential hazards in the growth and production of all domestic livestock species. thermal environment is a major factor that can negatively affect both production and reproduction in dairy animals, especially in animals of high genetic merit. among the stressors, heat stress has been of major co...

Journal: :international journal of occupational hygiene 0
farideh golbabaei department of occupational health, school of public health, tehran university of medical sciences, tehran, iran. mohammadreza monazzam department of occupational health, school of public health, tehran university of medical sciences, tehran, iran. rasoul hematjo school of public health, bushehr university of medical sciences, bushehr, iran. mostafa hosseini department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran. somayeh fahang-dehghan department of occupational health, school of public health, tehran university of medical sciences, tehran, iran.

heat stress is well recognized among the hazardous physical agents that might be present during work. this study aims to compare wbgt index at acclimated and unacclimated people to permissible threshold limit value and study the differences between physiological parameters at them. twenty one healthy men were participated in the study. all of the subjects were monitored in two different weather...

Journal: :journal of medical microbiology and infectious diseases 0
samaneh kazemi vice-chancellor of research and technology, guilan university of medical sciences, rasht, iran mohammad faezi-ghasemi department of microbiology, islamic azad university, lahijan branch, lahijan, iran

introduction: listeria monocytogenes is a serious concern for the food industry due to its high case fatality rate, widespread distribution, ability to survive a wide variety of food processing conditions, and the severity of the illness associated with this pathogen infection. the objective of this study was to determine the growth, cell morphology and biochemical characteristics of l. monocyt...

Journal: :international journal of occupational hygiene 0
mohammad reza ghotbi ravandi department of occupational health engineering, school of public health, kerman university of medical sciences, kerman, iran sajad salimi department of occupational health engineering, school of public health, kerman university of medical sciences, kerman, iran narges khanjani department of statistics and epidemiology, school of public health, kerman university of medical sciences, kerman, iran mohammad javad jafari department of occupational health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran

original article   introduction: exposure to heat is one of the workplace risk factors, which may lead to thermal strain, such as rising heart rate and body temperature. to have the best association between a heat stress indices and physiological parameters have always been a major concern for those studying the subject. this study aims to compare the association of two heat stress indices with...

Journal: :تولیدات دامی 0
عاطفه برنجیان کارشناس ارشد، گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، پاکدشت ـایران سید داود شریفی دانشیار، گروه علوم دام و طیور، دانشگاه تهران، پاکدشت ـ ایران عبدالله محمدی سنگ چشمه استادیار، گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، پاکدشت ـ ایران شکوفه غضنفری استادیار، گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، پاکدشت ـ ایران

effects of chromium nano particles (nanocr) on performance and meat quality of japanese quail under physiological stress was determined by  using 360 birds in a completely randomized design with six treatments, four replicates and 15 birds per each, during  17- 35 d of age. the tratments were negative control (non-stressed), and five groups under physiological stress which fed on diets suppleme...

Journal: :Journal of Psychophysiology 2023

Abstract. The present study analyzed experimentally the association between experience of psychological stress and physiological response prospective teachers. experienced was assessed by self-reported data. Cortisol concentrations via saliva samples reflected response. results show no difference control group in stress. However, had significantly increased cortisol compared to group. could not...

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