نتایج جستجو برای: stress system
تعداد نتایج: 2616479 فیلتر نتایج به سال:
اجزا بدنه خودرو عموما در معرض بارهای نامتناسب قرار دارند. از آنجا که تخمین عمر اجزا سازه و بدنه خودرو عموما به تغییر وزن و شتاب خودرو و هزینه ساخت و مسائل ایمنی و استحکام و عمر سازه منتهی می گردد، در صنایع طراحی و ساخت خودرو از اهمیت ویژه ای برخوردار است. تئوری های ارائه شده در این زمینه عموما برای اجزاسازه ای تحت بارهای بسیار ابتدایی سینوسی و هندسه اولیه ارائه شده اند، به گونه ای که عمر قطعات ...
Post traumatic stress disorder (PTSD) is a disorder of emotional and mental stress occurring as an outcome of injury or severe emotional shock. Yoga may be useful in decrease of PTSD symptomology. New studies demonstrate that people suffering from PTSD can find actual relief with yoga. Yoga decreases stress-induced allosteric load in three reactive systems of stress: the autonomic nervous syste...
Fasting is one of the most basic religions in Islam. The body considers fasting as a stress and tries to cope with it through a path called self-regulating stress. The effects of fasting on various diseases and different physiological conditions have been evaluated and its positive effects have been shown in many diseases. The effects of fasting on the immune system of healthy people in general...
چکیده ندارد.
the hypothalamo-pituitary-adrenocortical (hpa) axis is a critical adaptive system that maximizes survival potential in the face of physical or psychological challenge. the principal end products of the hpa axis, glucocorticoid hormones, act on multiple organ systems, including the brain, to maintain homeostatic balance. the brain is a target of stress, and the hippocampus is the first brain reg...
the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...
چکیده ندارد.
Melatonin has important roles in many growth and stress-related responsive processes in plants and algae. In this study, the mediating role of 100 and 500 µM melatonin on photosynthetic pigments and non-enzymatic antioxidant responses of microalga, Chlorella vulgaris to gamma irradiation stress has been studied. The result showed that the alga treated with 100 µM had a stable amount of chloroph...
the first reaction between food components and biological tissues occurs in the oral cavity. saliva modulates the ecosystem in the oral cavity and plays a critical role in oral homeostasis. in addition, saliva is a first line of defense against free radical-mediated stress. salivary antioxidant defense mechanisms seem to be very important. in this study we discuss in detail free radicals (fr) a...
a simple, rapid and low-cost scanner spectroscopy method for the glucose determination by utilizing glucose oxidase and cdte/tga quantum dots as chromoionophore has been described. the detection was based on the combination of the glucose enzymatic reaction and the quenching effect of h2o2 on the cdte quantum dots (qds) photoluminescence.in this study glucose was determined by utilizing glucose...
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