نتایج جستجو برای: stress indicator
تعداد نتایج: 510395 فیلتر نتایج به سال:
Researchers have suggested fluctuating asymmetry (FA) as an indicator of environmental stress and have usually tested this assertion by examining relations between FA of single traits and stress. Fluctuating asymmetry stress relations are real but are typically weak and difficult to detect. Researchers would like to maximize the probability of detecting FA-stress relations when they exist. We a...
Two experiments compare pe~orlnance on a prototype indicator of perceptual defencelvtgilance with performance on other related measures of individual differences. On the basis of theoretical expectations and empirical findings, participants’ performance on the prototype indicator of perceptual defencelvigilance was predicted to relate to the personality factor of Neuroticism, and to performance...
Water shortage in the arid-semiarid regions of China seriously hampers ecosystem construction. Therefore, elucidation of the mechanisms by which vegetation in that area responds to drought stress may enable us to improve utilization of limited water resources and thus contend with the problem of drought and water shortage. We studied Bothriochloa ischaemum, a native grass species, conducted pot...
better understanding and recognizing the amount of cultural development in iranian provinces and comparing them, causes a particular attention and helps to recognize their weaknesses, strengths, potentialities and deficiencies. the purpose of this paper is to analyze cultural development indicators in iran. the writers of this article present an applied research and use a comparative method. us...
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...
Background and purpose: Musculoskeletal disorders (MSDs) are the most common occupational health problems that have high costs and lead to productivity loss in nurses. On the other hand, work-related stress is another important factor that could result in reduced productivity in organizations and may lead to physical and mental problems in personnel. This study aimed to evaluate the prevalence ...
اثر محلولپاشی سلنیوم بر برخی صفات فیزیولوژیکی و ریختشناسی دو رقم گندم (کویر- روشن) تحت تنش کادمیوم
Cadmium as an environmental pollutant heavy metals have effect on morphological and physiological activities in plants. Selenium, an essential element had beneficial effects on enhanced tolerance in plants against environmental stresses. In the investigation, from Cadmium chloride concentrations 0, 350, 700 µM supplied with added to soil and Sodium selenat 0, 1.5, 3 mg L-1 as a foliar applicati...
Objectives: Stress and anxiety have well–known effects in the pathogenesis of many physical and mental disorders. Aging adults are vulnerable to the effects of a negative stressor factors so, this study aims to investigate the level of stress anxiety and depression among the elderly referred to elderly clubs of Tehran in 2009. Methods & Materials: This is a cross-sectional study carrie...
Introduction: Iran is one of the countries that is affected by health and has increased the emerging disease of Covid 19. Covid 19 disease increases the physical effect, which also has a psychological effect that causes it to be affected, so this study aims to determine the job stress for exploiting the side of nurses in another hospital in northeastern Iran in Other cases of covid 19 disease a...
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