- 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)
- ... during the operation of anthracite boilers converted to burning sub-bituminous coal, including in non-design modes of operation. Verification of the calculation model of the TPP-210A boiler of the 300 ...
- Created on 01 May 2024
- 22. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... H., & Colova, O. (2022). Influence structure on the plasticity of carbon steel of the railway wheel rim in operation. Scientific Journal of Silesian University of Technology, Series Transport, 115, ...
- Created on 01 May 2024
- 23. Container technology for transporting rock masses in quarries
- (Content №2 2024)
- ... Universytetu. 2024, (2): 038 - 044 https://doi.org/10.33271/nvngu/2024-2/038 Abstract: Purpose. To justify and develop the theoretical bases of the formation and operation of the container technology ...
- 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)
- ... Universytetu. 2024, (2): 025 - 031 https://doi.org/10.33271/nvngu/2024-2/025 Abstract: Purpose. Investigation of the velocity fields of non-equilibrium fluid filtration in a layer under harmonic action ...
- Created on 01 May 2024
- 26. Formation of prospecting criteria for copper-porphyry deposits based on the construction of reference models
- (Content №2 2024)
- ... Using the example of an exploration area based on the analysis of a priori and up-to-date data, the nature of a set of relevant criteria and signs for predicting and prospecting has been determined, aimed ...
- Created on 01 May 2024
- 27. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... corrections; 2) calculating densities for each of the 21 mantle domains and their 3D integration. Originality. The obtained mantle-density model of the Ukrainian Shield aligns well with the division ...
- 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)
- ... coal on the adhesion energy, which determines the stress-strain state of the coal seam. Physical methods for studying the decomposition temperature of methane-bearing coal seams, changes in its concentration, ...
- 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)
- ... biogas plants, the daily output can make approximately: biogas – 370 m3, electricity – 700 kW, thermal energy – 1100 kW. The total value of realized resources per year of operation amounts to €60,370 (of ...
- Created on 29 February 2024
- 30. Investment policy of construction enterprises under the conditions of marital state
- (Content №1 2024)
- ... Ostrogradsky National University of Kremenchug, 4(99),100-107. 10. Bukreeva, D. S., & Nosal, O. V. (2022). International financing and restoration of financial stability of Ukrainian enterprises ...
- Created on 29 February 2024
- 31. Modeling the return on investment in human capital in the IT industry of Ukraine
- (Content №1 2024)
- ... managers at various levels, and quality assurance engineers. It has been proven that the level of English proficiency has a positive effect on income. A higher level of remuneration for the work of IT ...
- Created on 29 February 2024
- 32. Gross regional product in Ukraine: two-dimensional analysis of regularities and territorial features
- (Content №1 2024)
- ... from the beginning of the Russian-Ukrainian war (2014) to the full-scale invasion, the authors created panel series of data with the separation of regional groups according to territorial and income criteria. ...
- Created on 29 February 2024
- 33. Organizational and legal principles of information security of enterprises in the conditions of martial law in Ukraine
- (Content №1 2024)
- ... S. A. (2019). Information security of Ukraine in the conditions of the hybrid war. Problems of creation, testing, application and operation of complex information systems, 17, 52-63. https://doi.org/10.46972/2076-1546.2019.17.05. ...
- Created on 29 February 2024
- 34. Modeling arithmetic systems of elliptic curve cryptography using Microsoft Excel VBA
- (Content №1 2024)
- Authors: I.Syamsuddin*, orcid.org/0000-0002-6017-7364, Politeknik Negeri Ujung Pandang, Makassar, Indonesia S.Syafaruddin, orcid.org/0000-0002-9915-7694, Universitas Hasanuddin, Makassar, Indonesia ...
- Created on 29 February 2024
- 35. Implementation of corporate social responsibility in the context of integration with the enterprise management information system
- (Content №1 2024)
- ... the corporate digital responsibility (CDR) strategy aimed at increasing the level of integration of corporate social responsibility (CSR) and information systems (IS) of the company. To develop a mathematical ...
- Created on 29 February 2024
- 36. Improvement of the method of time rationing for assembling car groups on one track
- (Content №1 2024)
- ... To improve the method for standardizing the duration of the shunting operation of assembling cars on one track. This can be achieved as a result of solving the following research problems: development ...
- Created on 29 February 2024
- 37. Digital economy: opportunities for transformation of entepreneurial structures
- (Content №1 2024)
- ... business models. Advantages of digital transformation of business models are considered, which involve increasing the number of customers, enhancing customer satisfaction, increasing lead generation, traffic ...
- Created on 29 February 2024
- 38. Two-stage problems of optimal location and distribution of the humanitarian logistics system’s structural subdivisions
- (Content №1 2024)
- ... Visnyk Natsionalnoho Hirnychoho Universytetu. 2024, (1): 130 - 139 https://doi.org/10.33271/nvngu/2024-1/130 Abstract: Purpose. To ensure the rational organization of the evacuation of people from a ...
- Created on 29 February 2024
- 39. Modeling pH changes and electrical conductivity in surface water as a result of mining activities
- (Content №1 2024)
- ... G., Wu, X., Ge, J., Liu, F., Zhao, W., & Wu, C. (2020). Influence of mining activities on groundwater hydrochemistry and heavy metal migration using a self-organizing map (SOM). Journal of Cleaner ...
- Created on 29 February 2024
- 40. Stochastic models of work and rest schedules
- (Content №1 2024)
- ... for determining the duration of work and rest schedules that ensure protection of workers from occupational hazards and a high level of labor productivity during a work shift. Methodology. Analysis of ...
- Created on 29 February 2024