نتایج جستجو برای: stress system

تعداد نتایج: 2616479  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران 1381

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 ...

Arezou Eshaghabadi, Fatemeh Alipour, Hassan Hosseini Ravandi, Maryam Borhani-Haghighi,

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...

ژورنال: کومش 2020

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم تربیتی و روانشناسی 1386

چکیده ندارد.

Journal: :journal of family and reproductive health 0
farideh zafari zangeneh vali-e-asr reproductive health research center, tehran university of medical sciences, tehran, iran fatemeh sarmast shooshtary medical faculty, shaheed beheshti university of medical sciences, tehran, iran

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1389

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1340

چکیده ندارد.

ژورنال: سنجش و ایمنی پرتو 2019

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...

Journal: :avicenna journal of dental research 0
f ahmadi motamayel isiwuonte~vonessoooo owqmr}meowiog,oventmmd{g{oerch center, faculty of dentistry – hamadan university of medical sciences, iran 989188130684, [email protected]; isiwuonte~vonessoooo owqmr}meowiog,oventmmd{g{oerch center, faculty of dentistry – hamadan university of medical sciences, iran 989188130684, [email protected]سازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1391

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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