TECHNOLOGY OF BLASTING OF STRONG VALUABLE ORES WITH RING BOREHOLE PATTERN

The ores of non-ferrous and precious metals, represented by hard rocks, has a peculiar feature, that is the effect of segregation, that is the tendency of ore minerals to break down into small size classes, which in the underground mining method accumulate in significant quantities on uneven surface of bottom layers and subsequently are lost.When m

The responsibility of the satellite thermal control system Sinus Supplements is to maintain equipments temperature in all external environments and under operational modes within an allowable temperature range.The geometric math model of satellite with available relations in references is obtained and certified with Thermal Desktop software.The out