Relative 'peace" was achieved under the communist -rule that sup- pressed ethnic and regional separatists through military force. With the end of communism in Yugoslavia, however, came an end to the silence of secessionist movements. With the clarity of hindsight, we can say that it probably ...
Axial force is one of the main factors which affect the pump safety and reliability during the operation of pumps, especially in multi-stage centrifugal pumps. 150QJ20 type deep-well centrifugal pump (DCP) is selected as an example to research the pump performance and axial force with the num...