نتایج جستجو برای: biological production
تعداد نتایج: 1038514 فیلتر نتایج به سال:
the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...
Low efficiency of conventional aeration techniques and the excessive production and disposal of sludge are great concerns in biological wastewater treatment systems. The present study aimed to evaluate the active sludge method using batch reactors under continuous operation to determine the efficiency of aeration and sludge production through microbubble and nanobubble aeration. The results ind...
Biological and chemical stimulators cause tissue injury. Many epidemiological studies imply that chronic stimulation of tissues leads to cancer. One of the most important type of chronic tissue stimulation criteria is increased activity of the metabolic pathway of arachidonic acid and production of biochemical intermediates. Cyclooxygenase pathway (COX) of arachidonic acid leads to production o...
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