نتایج جستجو برای: danger zone
تعداد نتایج: 125344 فیلتر نتایج به سال:
introduction: the aim of this study was to compare the changes that occur in the danger zone (dz) after preparation of curved mesiobuccal (mb) canals of mandibular first molars with waveone instruments in two different movements [reciprocation (rcp) and counter-clockwise rotation (ccwr)] by means of cone-beam computed tomography (cbct). methods and materials: mb canals of 30 mandibular molars w...
Background & objective: The present study was conducted to examine the risk factors associated with hand activity and to determine their cumulative effect on the development of upper extremity musculoskeletal disorders. Methods: The present clinical trial was conducted on 24 men and 6 women employed at a tea factory in Fuman in northern Iran. The human body map was used to assess the preva...
landslide like phenomena such as earthquake, flood, and volcano eruption are considered as the important natural events which happen every year in the mountainous and the elevated regions of the country and incur substantial damages and losses. today, in the countries involved with the issue of earthquake sliding, there is an increasing tendency in evaluating and zoning of the danger and damage...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید