نتایج جستجو برای: open function

تعداد نتایج: 1564896  

Nowadays, shovels play an important role in production of open pit mines and their failures result in significant production loss and considerable increase in maintenance costs. Therefore, reliability and risk analysis can help to improve production, productivity and reduce production costs. In this study, reliability of electric cable shovel of Chadormalu iron ore mine in Iran was investigated...

ابراهیمی, محمد تقی, خلیلیان, علی رضا, صیادی, سهراب, نقشوار, فرشاد,

Background and purpose: Gallstone is one of the most common problems of hepatobiliary system. Laparoscopic cholecystectomy is a gold standard treatment for this problem. Carbon dioxide (CO2) insufflated in the abdomen for better exposure in laparoscopic cholecystectomy could increase the liver enzyme levels. The goal of this study was to assess the effect of different CO2 pressure (12-16 mm Hg)...

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