نتایج جستجو برای: stress system
تعداد نتایج: 2616479 فیلتر نتایج به سال:
Cantaloupe is one of the most important of vine crops in Iran that today its yield has been decreased due to reduction in the quantity and quality of water resources and also due to increased soil pH because of bicarbonate ion aggregation in the soil. In order to maintain the production quality of this plant, appropriate crop management techniques are needed. For this purpose, to investigate th...
Background and Objective: Social stresses which affect the immune system and the physiological features of the organs, cause a range of disorders, as well as psychopathological deficits such as depression and anxiety. The oxytocin hormone which is produced in the central nervous system and some tissues plays an important role in reducing anxiety and depression caused by stress. Also, social str...
due to lack of knowledge management system in the organization of technical and vocational university of iran (tvuni) and losing good employees because of retirement and substitution causes huge amount of costs to replace the similar expertise. there is no any suitable system in the tvuni to store, to document, and to distribute knowledge. based on the university’s features such as it has diffe...
Background and Objectives: Nervous system damage causes many economic costs annually. Although many efforts have been made to treat these injuries, nerves are not yet completely regenerated. Primary damage to the nervous system is followed by a series of events such as inflammation, increased oxidative stress, and the spread of damage. Oxidative stress caused by an imbalance between the product...
introduction: electromagnetic fields (emfs) can influence the biological system by the formation of free radicals in cells. the emfs are able to deteriorate defense system against free radicals that leads to oxidative stress (os). lipid peroxidation process (lpo) is an index of oxidative stress, and the malandialdehyde (mda) is the final product of lpo. vitamin e is the most important antioxida...
Introduction: Effects of stress on nervous system activity and development are well defined. In the present study, the effects of maternal stress on dopamine-related behavior in the offspring were studied. Methods: Female pregnant Wistar rats (200 g) were randomly exposed to the noise pollution stress (125 db) for 14 days (5 min/day). The time of exposure was random in order to avoid adaptat...
This paper presents finite element analysis (FEA) of a coated and uncoated cylinder heads of a diesel engine to examine the distribution of temperature and stress. A thermal barrier coating system was applied on the combustion chamber of the cylinder heads, consists of two-layer systems: a ceramic top coat (TC), made of yttria stabilized zirconia (YSZ), ZrO2-8%Y2O3 and also a metallic bond coat...
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