نتایج جستجو برای: operation mechanism
تعداد نتایج: 767311 فیلتر نتایج به سال:
the present paper compares full kinetics mechanisms in numerical modelling of porous radiant burners (prb), with their reduced forms. the two most frequently used mechanisms of methane combustion (gri3.0 and miller) were selected and their effects were examined on temperature, species concentration, burning speed, and pollutant emission. while the findings of numerical simulation of prb show fi...
introduction: surgical site infection is one of the most common nosocomial infections and today it is believed that this infection caused by bacterias which penetrate into the wound during operation. surgery team members who have much contact with surgical site tissues, can control this infection by observing infection control principles. this study was done in order to determine performance ra...
Introduction: Delirium has been considered as the most common cognitive disorder after major surgery. Melatonin therapy is effective in reducing the incidence of delirium after open heart surgery with pain relief mechanism and adjustment of the sleep cycle and the absence of specific side effects. This study was conducted to determine the effectiveness of melatonin on prevention of delirium aft...
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