- 21. Using a phase-differential busbar protection for switchgears of power system facilities
- (Electrical Complexes and Systems)
- ... engine taking into account saturation of magnetic circles. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 6, 103-110. 5. Kulagin, D.O. (2014). Mathematical model of traction asynchronous ...
- Created on 19 August 2019
- 22. The role of philosophical disciplines in educational strategies for specialist training in the field of public administration
- (Economy and Management)
- ... for civil servants training. The authors focus on: 1) the ways of administrative solution of the problem of oversaturation of educational programs in the field of public administration with a set of philosophical ...
- Created on 16 June 2019
- 23. Three-phase power supply for resistance welding machine with corrected power factor
- (Electrical Complexes and Systems)
- ... constant power to the load. To avoid RWM transformer biasing and to prevent saturation of its magnetic core, the polarity of the converter output voltage is periodically changed. Thus, the primary voltage ...
- Created on 06 September 2017
- 24. Principles of rock pressure energy usage during underground mining of deposits
- (Mining)
- ... gradients of density, temperature, gas-and water saturations of rocks is given. References 1. Palamarchuk, T.A., Skipochka, S.I. and Prokhorets, L.V., 2012. Rock condition ...
- Created on 21 May 2017
- 25. Additional losses in the stator windings of the highspeed brushless electrical machine with permanent magnets
- (Power supply technologies)
- ... saturation of the magnetic core, various slot forms and the method of electrical connection of conductor strands in the slot. The mathematical formulation and the boundary condition of this problem are ...
- Created on 19 January 2017
- 26. Application of pulse-wave technology for oil well completion
- (Mining)
- ... of mass rocks saturation by solutions of surfactants in drilling holes and wells. News of higher educational institutions. Mining Journal, pp. 123–129. Латышев О. Г. Кинетика насыщения породного ...
- Created on 17 November 2016
- 27. Strength properties of carbon steel of railway wheel after the speed-up cooling
- (Geotechnical and mining mechanical engineering, machine building)
- ... by the correlation of qualitatively different processes structural transformations. Originality. The net effect of softening the metal by reducing the degree of supersaturation of solid solution, ...
- Created on 17 November 2016
- 28. Car anti-blooming method based on visible and infrared image fusion
- (Information technologies, systems analysis and administration)
- ... images based on independent component analysis and intensity-hue-saturation transform”, Control and Decision, vol. 29, no. 3, pp. 411–417. Zhang, J. and Zhang, J.P.(2008),“Remote sensing ...
- Created on 06 November 2015
- 29. Research of physical and mechanical properties of subsiding soils at the Yevpatoriyskaya ravine located in the city of Dnepropetrovsk
- (Geology)
- ... establishing patterns of relationship between the physical and mechanical properties of the soft rocks and the degree of their moisture saturation. Practical value. The application of the reliable ...
- Created on 29 March 2015
- 30. The mathematical model of asynchronous traction motor taking into account the saturation of magnetic circuits
- (Electrical complexes and systems)
- ... Ukraine Abstract: Purpose. Development of mathematical model of asynchronous traction machines in (d, q) frame of axis with taking into account the saturation of magnetic circuits. Methodology. In ...
- Created on 14 January 2015
- 31. Design-experimental estimation of induction motors equivalent circuit parameters and characteristics
- (Electrical complexes and systems)
- ... different slip the parameters of saturation branch, no-load current, rated slip, and rotor parameters in rated slip range. The method allows to take into account the influence of rotor skin-effect on rotor ...
- Created on 13 November 2014
- 32. Estimation of gas saturation in nearfield reservoir bed by geop hysical data
- (Geology)
- ... inhomogeneity of the distribution of the residual gas saturation in the area of drilling fluid filtrate invasion. Methodology. The interpretation and reinterpretation of logging material of reservoirs ...
- Created on 13 November 2014
- 33. Study of leaching in fractured rocks affected by mineralized mine water
- (Geology)
- Authors: T.I. Perkova, State Higher Educational Institution “National Mining University”, Assistant Lecturer of the Department of Hydrogeology and Engineering Geology, Dnipropetrovsk, Ukraine D.V. ...
- Created on 13 November 2014
- 34. Study of the influence of fuzzy cascade controller on characteristics of automatic control system of arc furnace’s electrode movement
- (Electrical complexes and systems)
- ... control for two-mass positioning systems in presence of saturation”,Telkomnika, V. 10, No. 1, pp. 91–102. 3. Марущак Я.Ю. Використання стандартних форм розподілу коренів при синтезі електромеханічних ...
- Created on 23 September 2014
- 35. Estimation of spatial and collector parameters of a technogenic gas deposit by geomechanical descriptions of enclosing rock
- (Mining)
- ... state and gas saturation of a rock massif characterize unambiguously the spatial and reservoir parameters of technogenic gas deposits. The analysis of an undermined massif concerning the formation of the ...
- Created on 21 March 2014
- 36. Some aspects of imitation design of breaking surface of diamond impregnated bit
- (Mechanics and Mining Machinery)
- Authors: Isonkin O.M., Bohdanov R.K. Application of simulation methods is considered for the choice of optimal saturation the diamonds of destruction surface of impregnated ...
- Created on 21 December 2012
- 37. Prognosis of methane saturation of the dead-end working
- (Aerology and labour protection)
- Authors: Kremenchutskyi M.F., Mukha O.A., Stolbchenko O.V. The analytical model of a vent system of the deadlock making is developed with the use of aproksimatsionnykh dependences ...
- Created on 21 December 2012
- 38. Determination of safety factor for slopes in rock massif with complex structure
- (Mining)
- ... soil hydraulic functions near saturation on variably-saturated flow predictions / Vogel T., van Genuchten M., Cislerova M. – Adv. Water Res. 2001; 24: pp. 133–144. ...
- Created on 21 November 2012
- 39. Estimation of promising areas with the aim of methane accumulations exploration (on the example of mine “Butovska”)
- (Geology)
- ... mean value of the ratio of open porosity calculation of crack porosity, absolute gas permeability, the ratio of effective porosity and minimum relative gas saturation was carried out. In local anticline ...
- Created on 15 November 2012
- 40. About determination of the dust mask protective efficiency by the test aerosol „Paraffin Oil“
- (Environmental safety, labour protection)
- ... nature of the penetration process changes as well. Test results have shown that the saturation of the filtering material by the test aerosol lasts during the first 3 minutes thereafter penetration coefficient ...
- Created on 14 November 2012