- 1. Identification and assessment the factors of influence on the formation of the machine-building enterprise sustainable development mechanism
- (Contens №5 2020)
- ... of functioning of the sustainable development mechanism. It is determined that among the environmental factors such factors as stability of political power, rate of economic growth, inflation rate, cost ...
- Created on 30 October 2020
- 2. Paradigm of state regulation and structural transformation of the national economy from the standpoint of homeostasis
- (Contens №5 2020)
- ... trends of other countries and the potential of Ukraine determine the multiplicity of ideas by combining elements of world experience of economic development models. It is established that the “ideal” model ...
- Created on 30 October 2020
- 3. Theoretical and methodological foundations for the evaluation of management efficiency of joint investment institutions
- (Contens №5 2020)
- ... The economic prerequisites, influencing heavily management efficiency of the joint investment institutions, their investment attractiveness, and economic security, have been determined. A role of consideration ...
- Created on 30 October 2020
- 4. Peculiarities of formation of the country’s innovative environment based on complex analysis of resources of innovation
- (Contens №5 2020)
- ... institutional factors on the country’s innovative potential in order to determine the ways of its increase on the basis of studying the indicators of “input” of the level of development of the institutional ...
- Created on 30 October 2020
- 5. Cost evaluation models of R&D products of industrial enterprises
- (Contens №5 2020)
- ... of fuzzy set theory to develop a methodology for forming the price of R&D products taking into account their consumer value and market receptivity; matrix method – to determine the level of the average ...
- Created on 30 October 2020
- 6. Certain topical issues of criminalization of illegal amber mining
- (Contens №5 2020)
- ... the current criminal legislation and the practice of its application by law enforcement agencies of Ukraine in terms of combating illegal amber mining. Practical value. The work examines whether the ...
- Created on 30 October 2020
- 7. Research on technology of complex processing of phosphogypsum
- (Contens №5 2020)
- ... treatment. To determine the concentration of acid and rare earth elements in the filtrate after phosphogypsum excretion in the samples, depending on the ratio of phosphogypsum : acid 1 : 1.5; 1 : 2 and ...
- Created on 30 October 2020
- 8. Control of the start of high-powered electric drives with the optimization in terms of energy efficiency
- (Contens №5 2020)
- ... electric drives through automatic selection of the best starting settings to increment its technical-and-economic indices. Methodology. Developing a mathematical model to determine energy efficiency ...
- Created on 30 October 2020
- 9. Methods for determining the efficiency of the grinding process
- (Contens №5 2020)
- ... It is determined by the projection of the feed rate of the part in the direction of the normal to the surface of the tool. The indicator can be applied to various kinematics of processes of grinding of ...
- Created on 30 October 2020
- 10. Enhancing efficiency of air distribution by swirled-compact air jets in the mine using the heat utilizators
- (Contens №5 2020)
- ... in the mine when using supply and exhaust recuperators with utilization of heat of exhaust air. To achieve this goal, the task was to conduct full-scale experimental studies on the supply and exhaust recuperator, ...
- Created on 30 October 2020
- 11. Recirculation power in the balance of hydraulic losses of centrifugal pump
- (Contens №5 2020)
- ... speed centrifugal pumps in order to determine ways to increase their energy efficiency. Methodology. A numerical simulation based on the physical nature of the phenomena of recirculation power, conducted ...
- Created on 30 October 2020
- 12. Experimental research on hydraulic resistance of deformed woven meshes
- (Contens №5 2020)
- ... used. The theoretical value of the hydraulic resistance coefficient of the deformed mesh is determined based on the obtained mathematical model of the deformed mesh cell. The values of pressure losses ...
- Created on 30 October 2020
- 13. Justification of rational parameters for manufacturing pump housings made of fibroconcrete
- (Contens №5 2020)
- ... determine the specified performance characteristics of structures based on it. Proceedings of PTU, 4, 546-552. 7. Scherban, E. M., Stelmach, S. A., Nazhuev, M. P., Nasevich, A. S., Geraskina, V. Ye., ...
- Created on 30 October 2020
- 14. The character of disruption of the rocks surface during rapid cooling
- (Contens №5 2020)
- ... depth of the macrocrack system into the rock is practically independent of the mode of thermal shock by cooling and is determined by the physical and mechanical properties of the rock and the time of exposure. ...
- Created on 30 October 2020
- 15. Maximum surface settlement induced by shallow tunneling in layered ground
- (Contens №5 2020)
- ... soils. At the design stage, geotechnical experts tend to use simplified formulas for evaluating the ground response. Methodology. To examine the accuracy of empirical equations in predicting maximum ...
- Created on 30 October 2020
- 16. Impact of duration of mechanochemical activation on enhancement of zinc leaching from polymetallic ore tailings
- (Contens №5 2020)
- ... 181, 43-52. https://doi.org/10.1016/j.hydromet.2018.08.016. 8. Palaniandy, S. (2015). Impact of mechanochemical effect on chalcopyrite leaching. International Journal of Mineral Processing, 136, 56-65. ...
- Created on 30 October 2020
- 17. Mathematical simulation of heat and mass exchange processes during dissociation of gas hydrates in a porous medium
- (Contens №5 2020)
- ... rate of the gas hydrate dissociation front and the change in the size of the dissociated gas hydrate area over the time are determined. Originality. The algorithm is proposed for calculating the pressure ...
- Created on 30 October 2020
- 18. Testing of the complex for gravitational washing of sand
- (Contens №5 2020)
- ... LLC, v. Veliun, Dubrovytskyi district, Rivne region, Ukraine, e-mail: malarenko@minerals.com.ua Ye. Zapara, orcid.org/0000-0002-7884-8760, Dnipro University of Technology, Dnipro, Ukraine, email: ...
- Created on 30 October 2020
- 19. Peculiarities of mining the protecting pillar in the laminal massif of soft rocks
- (Contens №5 2020)
- ... the completeness of mining coal reserves from protecting pillars located in a laminal massif of soft rocks in the roof and bottom in order to reduce the coal losses in mines and horizons in case when mining ...
- Created on 30 October 2020
- 20. Geochemical specialization of the Shubarkol deposit coals
- (Contens №5 2020)
- ... the potential of coals as an unconventional source of a number of chemical elements is determined, and the possibility of their complex extraction is evaluated. Practical value. It consists in substantiating ...
- Created on 30 October 2020