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O. I. Kharchenko    

In the article the theoretical bases of modeling a technology of cargo transportation on the basis of determining the dependence of expenses on cargo transportation time are suggested.


M. I. Umanov,V. V. Tsyhanenko,O. H. Reidermeister,N. V. Khalipova    

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O. V. Gromova    

The article considers application of the software ANSYS finite-element analysis method for solving the issues related with structural compatibility of materials put in the basis of a construction – old concrete and repair material – new concrete at vario... see more


T. M. Mishchenko    

On the basis of theoretical research, it is offered to increase inductance of the shunting branch of tractive motor and also to use its switching-off before restoration of voltage on the current collector in the «removal-restoration» mode.