نتایج جستجو برای: starbro strain

تعداد نتایج: 218474  

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: :archives of cardiovascular imaging 0
maria j vieira faculty of medicine, university of coimbra, coimbra, portugal rogerio teixeira faculty of medicine, university of coimbra, coimbra, portugal; department of medicine, hospital beatriz angelo, loures, portugal; department of medicine, cardiology service, hospital beatriz angelo, loures, portugal lino goncalves faculty of medicine, university of coimbra, coimbra, portugal; hospital center of coimbra, university of coimbra, coimbra, portugal

Journal: :archives of cardiovascular imaging 0
anita sadeghpour echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; echocardiography research center, rajaie cardiovascular medical and research center, ir iran +98-2123922145, [email protected]

Journal: :journal of agricultural science and technology 2010
h. massumi a. hosseini pour

a survey was carried out in five provinces of iran (kerman, sistan and baluchestan, hormozgan, khorasan and yazd) for the presence of alfalfa mosaic virus (amv) sero-types in alfalfa during 2002 to 2003. the number of samples collected was 250, represent-ing the diversity and geographical distribution of amv in these areas. diagnosis was car-ried out using polyclonal (pabs) and monoclonal (mabs...

Journal: :jundishapur journal of microbiology 0
nooshin khandan dezfully department of studies in microbiology, university of mysore, manasagangotri, karnataka, india janardhana gottravalli ramanayaka mycology and phytopathology laboratory, department of studies in botany, university of mysore, manasagangotri, karnataka, india; mycology and phytopathology laboratory, department of studies in botany, university of mysore, manasagangotri, mysore-570006, karnataka, india. tel: +91-9845636998, fax: +91-8212419759

background the search for novel antibiotics continues to be of immense importance in research programs around the world for pharmaceutical, industrial and agricultural applications. filamentous soil bacteria, belonging to the streptomyces genus, are widely used as an important biological tool for their ability to produce a wide range of novel secondary metabolites, such as “antibiotics”. object...

Journal: :تحقیقات نظام سلامت 0
ایوب قنبری سرتنگ دانشجوی کارشناسی 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

background : in many jobs, individuals are exposed to thermal stress, and thus, evaluation of heat stress is necessary. this study was conducted with the purpose of investigating the relationship of perceptual strain index (pesi) with other heat indexes under hot laboratory conditions. methods: this empirical-experimental and cross-sectional study was performed in 5 different temperatures (21 º...

Journal: :acta medica iranica 0
m. moosavi m. eslami o. sheikh bagloo b. birashk

stressful life events may play an important role in coronary heart disease and sudden cardiac death. this study was performed to compare the frequency of stressful events and mental strain in patients with acute myocardial infarction (mi) and normal population. a case-control study was performed on 50 survivors of mi and 50 controls with no evidence of cardiovascular disease, matched by age, ge...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده فنی 1390

چکیده: پژوهش حاضر با هدف بررسی راهکارهای بیولوژیک در کاهش اثرات منفی شوری بر گیاه گندم به بررسی جنس و ترکیب تعدادی از سویه های باکتریایی در دو رقم مقاوم(کویر) و حساس(قدس) گیاه گندم پرداخته است. به این منظور آزمایشی بر مبنای فاکتوریل در قالب طرح پایه کاملا تصادفی درسه تکرار و هفتاد و دو تیمار در دو شرایط جداگانه آزمایشگاهی(آزمایش جوانه زنی) و گلخانه ای (بررسی اثرات مورفولوژیکی، فیزیولوژیکی و بی...

Journal: :iranian journal of materials forming 2014
mehrdad aghaie-khafri morteza rejaeian

recent developments in nanostructured products draw considerable attention to ultrafine grained materials. these materials are normally manufactured by different severe plastic deformation (spd) methods. in the present study, analytical models and finite element method (fem) are used to calculate strain imposed to a specimen that was deformed by equal channel angular pressing (ecap). in additio...

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