- 21. Integrated water resources monitoring system within the structure of environmental safety in southern Ukraine
- (Content №3 2024)
- ... of the water regime of the reservoir basin has been developed. Methodologies for the recovery of recycled water from municipal and industrial enterprises for reservoir nutrition were calculated and tested. ...
- Created on 28 June 2024
- 22. Antioxidant properties of brown coal humic substances
- (Content №3 2024)
- ... been created. For the first time, a method for determining the antiradical effect of humic substances using the stable 2.2-diphenyl-1-picrylhydrazyl radical (DPPH) was proposed and experimentally tested. ...
- Created on 28 June 2024
- 23. Effect of hardened cement waste and fresh cement in the treatment of expansive soil
- (Content №3 2024)
- ... is conducted concerning a swelling clay soil in the Mila region of eastern Algeria. The study involves a series of soil treatment tests with fresh cement and hardened cement waste (with reasonable proportion) ...
- Created on 28 June 2024
- 24. Rotor configuration for improved working characteristics of LSPMSM in mining applications
- (Content №3 2024)
- ... pumping loads to improve the efficiency of electricity use in mining. Methodology. The article uses analytical methods and simulation methods on Ansys/Maxwell software and conducts a laboratory test ...
- Created on 28 June 2024
- 25. Designing the functional surfaces of camshaft cams of internal combustion engines
- (Content №3 2024)
- ... for obtaining linear elements of computer models of the projected surfaces. The proposed method was tested using CAD to optimize the geometric shape of the cam to obtain a computer model of the camshaft ...
- Created on 28 June 2024
- 26. Effect of circumferential lean of pump-turbine runner blades on energy characteristics
- (Content №3 2024)
- ... from PLA plastic. Experimental studies were carried out on the IMEP ECS-30 hydrodynamic test stand, the characteristics of which meet the requirements of the international standard for model acceptance ...
- Created on 28 June 2024
- 27. Optimal parameters of blasting destruction in the Ben Azouz quarry based on study of strength limestone rock
- (Content №3 2024)
- ... rock. Methodology. Models have been developed to estimate physico-mechanical properties of limestone rock. The models are based on the results of many laboratory tests by petro-physical and mechanical ...
- Created on 28 June 2024
- 28. Research on occurrence features and ways to improve the quality of productive hydrocarbon horizons demarcation
- (Content №3 2024)
- ... the equipment. Practical value. On the basis of the detailed multifaceted results of laboratory and industrial testing and analytical model research, technological solutions have been developed for boreholes ...
- Created on 28 June 2024
- 29. Global investment and financing of civil construction in Ukraine under martial law
- (Content №2 2024)
- ... 2. Bigun, N. (2024). We propose foreign businesses to invest in Ukraine in sectors with the greatest growth potential. Ministry of Economy of Ukraine. Retrieved from https://www.me.gov.ua/News/Detail?lang=ukUA&id=4274ee88-2119-4cc5-9a3264f94efbe4be&title=ProponumoInozemnomu. ...
- Created on 01 May 2024
- 30. Electric vehicle energy consumption taking into account the route topology
- (Content №2 2024)
- ... Research Part D: Transport and Environment, 64. https://doi.org/10.1016/j.trd.2017.08.008. 6. DieselNet (2019). Worldwide Harmonized Light Vehicles Test Cycle (WLTC). Retrieved from https://dieselnet.com/standards/cycles/wltp.php. ...
- Created on 01 May 2024
- 31. Characteristics of elasticity, frequency, and stability of plate connecting assemblies for vibrating machines
- (Content №2 2024)
- ... working body, which in turn increases: the productivity of mining equipment – in the extraction of minerals, and their reliability – in the case of mechanical tests. Originality. It consists of the fact ...
- Created on 01 May 2024
- 32. A hybrid ICEEMDAN and OMEDA-based vibrodiagnosis method for the bearing of rolling stock
- (Content №2 2024)
- ... the axle-box rolling bearings on the test rig at the workshop of the freight railway car depot. Keywords: car, vibration, diagnostics, bearing, deconvolution, decomposition, spectrum References. 1. Wang, Y-Z., ...
- Created on 01 May 2024
- 33. Drilling wells taking into account the dynamic properties of rocks
- (Content №2 2024)
- ... and testing of a hydraulic pulse jet and its application in offshore drilling. Petroleum Science, 11(3), 401-407. https://doi.org/10.1007/s12182-014-0354-1. 3. Li, G., Shi, H., Niu, J., Huang, Z., Tian, ...
- Created on 01 May 2024
- 34. Container technology for transporting rock masses in quarries
- (Content №2 2024)
- ... shortest distance, low container packing ratio, and mobility of a complex of lifting machines, which will reduce energy consumption and the cost of transporting rock mass. A transport complex has been ...
- Created on 01 May 2024
- 35. Modeling the return on investment in human capital in the IT industry of Ukraine
- (Content №1 2024)
- ... 2322-2353. https://doi.org/10.1108/MD-07-2022-0976. 19. DOU (2023). Statistics of salaries of programmers, testers and PMs in Ukraine. Retrieved from https://jobs.dou.ua/salaries/. 20. State Statistics ...
- Created on 29 February 2024
- 36. 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
- 37. Modeling arithmetic systems of elliptic curve cryptography using Microsoft Excel VBA
- (Content №1 2024)
- ... utilizing VBA features of Microsoft Excel. It starts with modeling arithmetic in Microsoft Excel spreadsheet, then testing the validity through calculation and setup of the actual arithmetic of Elliptic ...
- Created on 29 February 2024
- 38. Testing the fragmentation of railway ballast material by laboratory methods using Proctor compactor
- (Content №1 2024)
- ... Abstract: The physical classification of crushed stone and gravel used in railway construction is based on their strength and endurance and is performed by a laboratory test method using a rotating drum ...
- Created on 29 February 2024
- 39. Advantages of using CONCRETE CANVAS materials in railway track construction
- (Content №1 2024)
- ... studies, using computer and mathematical modeling methods. Tests were conducted with and without the CC layer in a multi-level shear box. After the shear test, the specimens were also tested for load-bearing ...
- Created on 29 February 2024
- 40. Scientific bases and peculiarities of conversion of CHPP anthracite boilers to sub-bituminous coal combustion
- (Content №1 2024)
- ... solutions to eliminate the risk of coal ignition in pulverizing systems and in the burners. Industrial tests on CHPP boiler units. Findings. Different types of pulverizing systems of anthracite CHPP ...
- Created on 29 February 2024