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تعداد نتایج: 2508902 فیلتر نتایج به سال:
cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...
the aim of this study was to evaluate the differences between cold carcass weights (ccw) for the catalan pyrenean horse (cavall pirinenc català) breed according to different variables: area of origin, farm, gender and age. linear regression models were applied using a generalized linear model (glm) procedure for ccw of 397 animals (217 males and 180 females) slaughtered in a commercial abattoir...
A design algorithm is derived, for a calculating minimum allowable electrical clearances in alternating and direct current permissible equipments, which are authorized to operate in gassy mines and tunnels under Part 18 of Title 30, Code of Federal Regulations [1]. The calculated clearances apply to operations at altitudes ranging up to 12 000 ft (3658 m) above sea level. The minimum allowabl...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
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