- 21. Calculation of static and dynamic losses in power IGBT transistors by polynomial approximation of basic energy characteristicss
- (Contens №2 2020)
- ... Purpose. Development of a calculation technique that allows the Matlab software to determine the static and dynamic losses in power IGBT-transistors and reverse diodes. ...
- Created on 10 May 2020
- 22. The impact of mine waters on the condition of the water management complex of Ukraine: tasks of water management
- (Contens №6 2019)
- ... and reverse osmosis for coal mine wastewater desalination. Separation and Purification Technology, 163, 181-188. https://doi.org/10.1016/j.seppur.2016.02.034. 6. Nancucheo, I., Bitencourt, J., Sahoo, ...
- Created on 23 December 2019
- 23. Deformation of the long casing string on centralizers in the process of its installation in a horizontal well
- (Geotechnical and mining mechanical engineering, machine building)
- ... forces at the sections between the supports. It also makes allowance for additional moments of frictional forces acting on the centralizers. The solution of the problem for the reverse motion of the casing ...
- Created on 26 October 2019
- 24. Optimisation of the flotation parameters on the enrichment of phosphate ore (Algeria)
- (Solid State Physics, Mineral Processing)
- ... of reagents of different qualities followed by pulping, packaging and flotation. Findings. We can conclude that the reverse flotation is perfectly favorable and presents an excellent economic yield. ...
- Created on 16 June 2019
- 25. The study on the flows kinematics in the jet pump’s mixing chamber
- (Geotechnical and mining mechanical engineering, machine building)
- ... Study on structure parameters of reverse circulation drill bit secondary injector device based on injector coefficient. In: Proc. IADC/SPE Asia Pacific Drilling Technology Conference, Singapore. August ...
- Created on 03 March 2019
- 26. Implementation of differentiated credit policy at mining enterprises
- (Economy and Management)
- ... regulation, monitoring, and rational organization of relationships with customers on the reverse movement of cash and appropriate methodological tools that differentiated according to the typology the ...
- Created on 16 May 2018
- 27. Integration of statistical model for optimum inventory and Wilson EOQ model
- (Economy and Management)
- ... L.N., eds, 2013. Reverse logistics: quantitative models for closed-loop supply chains, Springer Science & Business Media. 5. Kim, M. and Chai, S., 2017. Implementing Environmental Practices ...
- Created on 16 May 2018
- 28. The method of automatic control system synthesis on the base of discrete time equalizer
- (Information technologies, systems analysis and administration)
- ... control object and with their partial compensation due to use of modification blocks of reverse structural block-diagram transformation. Originality. The first proposed mathematical apparatus allows ...
- Created on 06 September 2017
- 29. Symmetrization of three-phase system with negative component filter using simulation
- (Power supply technologies)
- ... the symmetrical component filters and computer power system model is considered. Methodology. The system is represented as a visual model that uses a resistive-capacitive filter to select reverse ...
- Created on 24 July 2017
- 30. Interrelation of a clarke and fortescue transformation for the three-phase asymmetrical electrical network
- (Electrical complexes and system)
- ... for an asymmetric sinusoidal system of currents of a three-phase four-wire network. Methodology. To find the way for the use of the direct, reverse and zero sequences as components of the power circulating ...
- Created on 17 November 2016
- 31. Decomposition of electromotive force signal of stator winding in induction motor at diagnostics of the rotor broken bars
- (Electrical complexes and systems)
- ... force signal of induction motor stator winding to electromotive force signals of active sides of winding coils was developed using the theory of reverse z-transform. This allows one to increase accuracy ...
- Created on 02 October 2016
- 32. Influence of stabilizing water treatment on weak acid cation exchange resin in acidic form on quality of mine water nanofiltration desalination
- (Environmental safety, labour protection)
- ... АДІ ДонНТУ. – 2005. – №1. – С. 62–67. Visotskiy, S.P., Fatkulіna, G.V. and Konovalchik, M.V. (2005), “Water desalination with the usage of reverse osmosis technology and different device inclusion ...
- Created on 13 November 2014
- 33. Estimation of large network models with parametric elements of different degree of nonlinearity
- (Information technologies, systems analysis and administration)
- ... the application of the method of self-tuning reverse operators for the calculation of the algebraic systems with different degree of non-linearity of high-degree equations, describing network objects such ...
- Created on 13 August 2013
- 34. New conceptual approach to mine workings stability maintenance
- (Mining)
- ... parameters of mechanical resistance to rocks of floor of mine workings with a reverse working of a longwall. Abstract of the thesis on receiving of the Cand. Sci. (Tech.) degree: 05.15.02. / Negrey Sergey ...
- Created on 21 November 2012
- 35. Methodology of creation of the expert system of integrated diagnostics and control of the studies quality
- (Information technologies, systems analysis and administration)
- ... analysis of the rate of independent, current and total learning of study material; to the effectiveness of students’ individual work organization; to the quality of reverse connection organization (indicators ...
- Created on 15 November 2012
- 36. Interrelation of circular transfer ratio of double-split transmissions with regulation characteristic in case of planetary gear output
- (Geotechnical and mining mechanical engineering, machine building)
- ... with planetary gear is always accompanied by reverse power flow through hydrostatic transmission. While in the second half of speed range up to top speed there is parallel power flow in double-split hydrostatic ...
- Created on 14 November 2012
- 37. Study of information-analytical properties of electromechanical system by unlinear correction as to power assignment
- (Electrical complexes and systems)
- ... closed current loop of the engine in conditions of absence of the reverse electromotive force influence have been taken into consideration. In the drive system the dynamic properties of the fast-acting ...
- Created on 13 November 2012
- 38. Determination of the best type of IGBT module for application in frequency converters
- (Electrical complexes and systems)
- ... gate and reverse current diode. The world has about a dozen companies that produce IGBT modules under their own technology. Development of production technology of semiconductor devices is a difficult ...
- Created on 08 November 2012