نتایج جستجو برای: biochemical and physiological changes
تعداد نتایج: 16929916 فیلتر نتایج به سال:
Background and purpose: Menopause is a physiological process and diabetes is a metabolic disease that occurs more frequently in older women. The present study investigated the effects of diabetes on some biochemical parameters and histopathological changes in ovariectomized rats. Materials and methods: Thirty two adult female rats were divided into four groups of 8 and studied for 55 weeks. ...
in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...
bekenstein and hawking by introducing temperature and every black hole has entropy and using the first law of thermodynamic for black holes showed that this entropy changes with the event horizon surface. bekenstein and hawking entropy equation is valid for the black holes obeying einstein general relativity theory. however, from one side einstein relativity in some cases fails to explain expe...
In this study, the chronic toxic effects of Pb (II) on common carp, Cyprius carpio were investigated using several biomarkers at different levels of biological functions for assessing changes in ecosystem quality. In a bioassay, common carp juveniles were individually exposed to different dose of heavy metal, Pb II (0, 0.45, 0.89, 1.34 mg.l-1) for 28 days. Morphological indices such as hepat...
Licorice is a medicinal and aromatic plant that is taken into consideration for its valuable compounds such as glycyrrhizin. Salinity is a major environmental stress that affects the crops productivity. In the present study, the effect of salinity stress (using irrigation treatment with different salt concentrations; 0, 150 and 300 mM) on fresh weight of root and total plant, concentration of ...
this study was conducted to investigate the impact of podcasts as a learning and teaching tool on iranian efl learners’ motivation for listening as well as on their listening comprehension ability. the study also investigated the learners’ perception towards listening to podcasts and examined whether the learners were likely to accept podcasts. out of fifty-five intermediate learners studying e...
Drought stress is a serious adverse factor that limits sunflower growth and productivity. The stress induces a range of physiological and biochemical responses in sunflower. So, evaluation of defense systems is important for producing resistant cultivars. In this study, physio-biochemical changes and antioxidant enzymes activitiesof six sunflower lines were evaluated under normal and irrigation...
background: lead is the oldest known toxic metal, physiologically and biologically harmful to living creatures. this study aimed to evaluate the lead accumulation in the liver and breast muscles of japanese quail (coturnix japonica) and to compare concentrations in both sexes and its effect on blood biochemical factors. methods: twenty-four young farm japanese quails (25 day old) prepared from ...
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