نتایج جستجو برای: biochemical and physiological changes

تعداد نتایج: 16929916  

حیدریان, اسفندیار, رفیعیان کوپایی, محمود, صفریان, مهرداد, نامجو, عبدالرسول,

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. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده ادبیات و علوم انسانی 1392

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...

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

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...

A. Bani A. Hajimoradloo M. Aghamaali R. Ghorbani S. Heidary

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 ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

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...

Journal: :iranian journal of toxicology 0
فاطمه حمیدی پور fatemeh hamidipour msc. student environmental pollution, behbahan khatam alanbia university of technology, behbahan, iran. حمیدرضا پورخباز hamidreza pourkhabbaz department of environment, behbahan khatam alanbia university of technology, behbahan, iran. مهدی بنایی mahdi banaee department of aquaculture, behbahan khatam alanbia university of technology, behbahan, iran. سعیده جوانمردی saeideh javanmardi department of environment, behbahan khatam alanbia university of technology, behbahan, iran.

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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