نتایج جستجو برای: and equipment
تعداد نتایج: 16833598 فیلتر نتایج به سال:
Introduction: One of the requirements of the environmental risk assessment of hot rolling industry is the evaluation of the performance of equipment and devices in the industry and identifying subsequent environmental risks. Methods: This was a quasi-experimental study. After classification of the equipments in the production hall of hot rolling at the Kavir Steel Complex, some operations we...
Introduction: The Republic of Korea has developed a national standard based on which diagnostic X-ray equipment must be tested every 3 years. Accordingly, the performance of X-ray equipment used in all hospitals is evaluated by national certification bodies in compliance with the safety management regulations for X-ray equipment. However, if the equipment i...
C3MR, MFC, and DMR processes in an integrated LNG-NGL-NRU structure are investigated using the conventional and advanced exergy and exergoeconomic analyses. The results of advanced exergy analysis reveal that in most of the equipment, the highest amount of irreversibility is occurred because of endogenous exergy destruction. In C3MR process, compressor C5 with 9730 kW; in MFC process, compresso...
Introduction: Technological advances have made using scientific methods necessary in purchase decisions. The present study has investigated the prioritization factors affecting purchase of medical equipment at selected hospitals in Tehran. Methods: The present study is a descriptive cross-sectional study conducted in 2014. About 645 members of Medical Equipment Committee and medical equipment u...
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