- 21. CFD-modeling of critical deviations of combustion processes in pulverized coal boilers. Part 1. Construction of the TPP-210A boiler calculation model
- (Content №2 2024)
- ... Hirnychoho Universytetu. 2024, (2): 052 - 059 https://doi.org/10.33271/nvngu/2024-2/052 Abstract: Purpose. Development of a mathematical model for predicting critical deviations of furnace processes ...
- Created on 01 May 2024
- 22. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... proportional relationship. Originality. Preservation of the substructure of hot-deformed austenite affects propagation deformation in pearlite of the steel. Against the background of decreasing friction ...
- Created on 01 May 2024
- 23. Container technology for transporting rock masses in quarries
- (Content №2 2024)
- ... for moving rock mass for open-pit mining. A new technology for container transportation of rock mass in containers is proposed without the construction of additional transport communications in the quarry ...
- Created on 01 May 2024
- 24. Assessment of the state of the rock mass around the crosscuts under additional deformation disturbances
- (Content №2 2024)
- ... additional deformations occur during the mining of lower-lying coal pillars by southern longwalls of the k5 layer and assessment of this impact on operational production in the mining-geological and mining-technical ...
- Created on 01 May 2024
- 25. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... at its boundary is considered. Based on the exact solutions of the boundary value problem, the attenuation of the amplitude of initial disturbances under the model’s parameters varying and influence of ...
- Created on 01 May 2024
- 26. Formation of prospecting criteria for copper-porphyry deposits based on the construction of reference models
- (Content №2 2024)
- ... Purpose. To study the modern methodology for forming a list of mineragenic factors and prospecting signs of ore fields and deposits of copper-porphyry type based on reference objects and model constructions ...
- Created on 01 May 2024
- 27. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... that it is uniform only in the vertical direction. This limitation does not allow for horizontal variations in mantle density, which may be important on a regional scale. 3D models are more complex and ...
- Created on 01 May 2024
- 28. Assessment of the influence of the surface layer of coals on gas-dynamic phenomena in the coal seam
- (Content №2 2024)
- ... nanolayer, determination of the role of stress-strain state of the seam in the formation of fine coal and methane at their emissions into the mine workings. Methodology. Mathematical and experimental ...
- Created on 01 May 2024
- 29. Ecological and economic assessment of the effectiveness of implementing bioenergy technologies in the conditions of post-war recovery of Ukraine
- (Content №1 2024)
- ... waste in conditions of technogenic and military risks, while also addressing the need to reduce the extraction of fossil fuels. Methodology. The advanced global experience in bioenergy development is ...
- Created on 29 February 2024
- 30. Investment policy of construction enterprises under the conditions of marital state
- (Content №1 2024)
- ... Universytetu. 2024, (1): 197 - 202 https://doi.org/10.33271/nvngu/2024-1/197 Abstract: Purpose. Studying the investment policy in construction in wartime conditions, namely: determining the general characteristics ...
- Created on 29 February 2024
- 31. Modeling the return on investment in human capital in the IT industry of Ukraine
- (Content №1 2024)
- ... of the relationship between the income of IT specialists and the experience and other characteristics of the specialist and the company, as well as the formation of relevant recommendations. Methodology. ...
- Created on 29 February 2024
- 32. Regional features of Ukrainian higher education in wartime conditions
- (Content №1 2024)
- ... Abstract: Purpose. To describe the regional organizational features of educational services proposed by higher educational institutions (HEIs) of Ukraine in wartime. Methodology. Normative documents ...
- Created on 29 February 2024
- 33. Gross regional product in Ukraine: two-dimensional analysis of regularities and territorial features
- (Content №1 2024)
- ... on individual indicators of the development of the regions of Ukraine in general and their aggregates, distinguished by territorial location and profitability in order to establish the main regularities ...
- Created on 29 February 2024
- 34. Organizational and legal principles of information security of enterprises in the conditions of martial law in Ukraine
- (Content №1 2024)
- ... 2024, (1): 167 - 174 https://doi.org/10.33271/nvngu/2024-1/167 Abstract: Purpose. To investigate the peculiarities of organizational and legal provision of information security (IS) in the conditions ...
- Created on 29 February 2024
- 35. Modeling arithmetic systems of elliptic curve cryptography using Microsoft Excel VBA
- (Content №1 2024)
- ... the capability of the Visual Basic Applications of Microsoft Excel in user friendly way. Methodology. The research is performed using research and development approach, which is divided into five steps ...
- Created on 29 February 2024
- 36. Implementation of corporate social responsibility in the context of integration with the enterprise management information system
- (Content №1 2024)
- ... University, Odesa, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. L.Halan, orcid.org/0000-0002-4118-9255, State University of Intelligent Technologies and Telecommunications, Odesa, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ...
- Created on 29 February 2024
- 37. Improvement of the method of time rationing for assembling car groups on one track
- (Content №1 2024)
- ... order of shunting operations during car assembling was formalized and solved as a problem of dynamic programming. The time spent for shunting work was chosen as the optimality criterion. The paper considers ...
- Created on 29 February 2024
- 38. Digital economy: opportunities for transformation of entepreneurial structures
- (Content №1 2024)
- ... fields of economic activity allowed for additional conclusions and recommendations regarding the possibilities of implementing digital technologies in entrepreneurial structures), scenario modeling (by ...
- Created on 29 February 2024
- 39. Two-stage problems of optimal location and distribution of the humanitarian logistics system’s structural subdivisions
- (Content №1 2024)
- ... The research considers the possibility of optimally distributing human flows within the transportation system, the structural subdivisions of which are first-stage centers (first aid stations that carry ...
- Created on 29 February 2024
- 40. Modeling pH changes and electrical conductivity in surface water as a result of mining activities
- (Content №1 2024)
- ... References. 1. Lizama-Allende, K., Rámila, C. D. P., Leiva, E., Guerra, P., & Ayala, J. (2022). Evaluation of surface water quality in basins of the Chilean Altiplano-Puna and implications for ...
- Created on 29 February 2024