O. F. Nikitin

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Historical time series of monthly mean values of sea level were compiled for all stations in the Gulf of Finland for time periods starting from the beginning of sea level observations at each station and until station closing, or the year 2005 for Russian, 2004 for Finnish and 1991 for Estonian stations. These data were analysed for trends for a common(More)
  • O. F. Nikitin
  • 2015 International Conference on Fluid Power and…
  • 2015
This paper deals with the regulation of hydraulic parameters of movement of the output link (total stock) speed-load V = f (R) when using multiple cylinders, with a hard or serial connection rods. The required speed of movement is performed by connecting the required number of effective working areas of hydraulic cylinders. Change in the effective speed(More)
This paper deals with the risk assessment method of roadheader feasibility in underground conditions of Estonia mine. In modernization of Estonian underground mining, roadheaders that extract oil shale selectively play the most important role. Selective extraction allows reduction of rock mass volumes during the loading, transportation and enrichment(More)
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