- 1. Antioxidant properties of brown coal humic substances
- (Content №3 2024)
- ... Abstract: Humic substances (HS) belong to a fairly common class of organic compounds in nature, which are a component of soils, peat, lignite and sapropels. Some properties of humates (salts of humic ...
- Created on 28 June 2024
- 2. Effect of hardened cement waste and fresh cement in the treatment of expansive soil
- (Content №3 2024)
- ... Treatment with fresh cement provides a good improvement in certain properties, and in this work we show that the use of hardened cement waste could also improve the physical and mechanical characteristics ...
- Created on 28 June 2024
- 3. Designing the functional surfaces of camshaft cams of internal combustion engines
- (Content №3 2024)
- ... V., & Kondratiev, A. (2021). Elastic Properties of Steel-Cord Rubber Conveyor Belt. Experimental Techniques, 45(2), 217-226. https://doi.org/10.1007/s40799-021-00439-3. 20. Havrylenko, Y., Kholodniak, ...
- Created on 28 June 2024
- 4. Optimal parameters of blasting destruction in the Ben Azouz quarry based on study of strength limestone rock
- (Content №3 2024)
- ... of the strength properties of limestone rock in the Ben Azzouz quarry. The purpose is to achieve optimum blasting quality based on the information on petro-physical and mechanical characteristics of the ...
- Created on 28 June 2024
- 5. Research on occurrence features and ways to improve the quality of productive hydrocarbon horizons demarcation
- (Content №3 2024)
- ... boreholes properties cores was obtained on the basis of macroscopic description, methodical and practical methods of lithological, sedimentological, and facies analysis. The filtration capacity of permeable ...
- Created on 28 June 2024
- 6. Basics of calculation of a two-circuit air purification system for polydisperse dust
- (Content №2 2024)
- ... of responding to wide range of coal properties and regulations. Mitsubishi Heavy Industries Technical Review, 3, 55-62. Retrieved from https://www.mhps.com/jp/randd/technical-review/pdf/index_44e.pdf. ...
- Created on 01 May 2024
- 7. Cable line equivalent circuit parameters determination using the instantaneous power components
- (Content №2 2024)
- ... D., Zhou, C., Jiang, W., Yang, B., & Zhou, W. (2015). On-line monitoring and trending of dielectric loss in a cross-bonded HV cable system. IEEE 11th International Conference on the Properties and ...
- Created on 01 May 2024
- 8. Drilling wells taking into account the dynamic properties of rocks
- (Content №2 2024)
- ... with Use of a Cavitation Hydraulic Vibrator. In ‘Mining Technology, IntechOpen, (pp. 81-100). London. https://doi.org/10.5772/intechopen.100336. 2. Shi, H., Li, G., Huang, Z., & Shi, S. (2014). Properties ...
- Created on 01 May 2024
- 9. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... properties. Methodology. Steel with 0.6 % carbon was used for the study. The steel structure corresponded to the state after compression at 1,240 °C. Mechanical properties were determined by the tensile ...
- Created on 01 May 2024
- 10. Assessment of the state of the rock mass around the crosscuts under additional deformation disturbances
- (Content №2 2024)
- ... M., Liashok, Y., & Podkopaiev, S. (2023). Determining the deformation properties of crushed rock under compressive compression conditions. Eastern-European Journal of Enterprise Technologies, 4(1(124)), ...
- Created on 01 May 2024
- 11. Formation of prospecting criteria for copper-porphyry deposits based on the construction of reference models
- (Content №2 2024)
- ... Kolodnitskyi, V. M. (2022). Physical and mechanical properties of WC‒Co‒CRB2 matrices of composite diamond-containing materials sintered by vacuum hot pressing for drilling tool applications. Journal ...
- Created on 01 May 2024
- 12. Heat exchange under the longitudinal movement of wet steam in finning heat exchangers
- (Content №1 2024)
- ... to determine the lower boundary of the process of plucking the drops from the liquid film depending on the irrigation density, geometric characteristics of the channel and physical properties of the liquid ...
- Created on 29 February 2024
- 13. Testing the fragmentation of railway ballast material by laboratory methods using Proctor compactor
- (Content №1 2024)
- ... three repeated measurements based on the composition of the material and the number of blows, which showed the degradation of samples with different physical and mechanical properties of the rock material ...
- Created on 29 February 2024
- 14. Influence of ice structure on vitability of frozen sand-water and sand-clay mixtures
- (Content №1 2024)
- ... on the strength properties of low-temperature molds. Metal and casting of Ukraine, 11-12(282-283), 47-51. 12. Zhongde, J. S., Qin, Y. H., & Jianpei, S. (2022). Large complex sand freezing mold, low ...
- Created on 29 February 2024
- 15. Improvement of the methodology for calculating the expected drilling speed with PDC chisels
- (Content №1 2024)
- ... wells. And taking into account the abrasive properties of rocks, it is possible to reduce the wear of the bits, and therefore the amount of necessary rock-crushing tools for the entire volume of drilling ...
- Created on 29 February 2024
- 16. Influence of the rock mass structure and the blasting technique on blast results in the Heliopolis quarry
- (Content №1 2024)
- ... Journal of Geosciences, 16(1), 61. https://doi.org/10.1007/s12517-022-11072-8. 2. Adesida, P. A. (2022). Powder factor prediction in blasting operation using rock geo-mechanical properties and geometric ...
- Created on 29 February 2024
- 17. Methodology of creation and development of information systems for technological safety of mining facilities
- (Content №6 2023)
- ... 20. Zhang, J. H. (2020). Fractal Properties and Characterizations. Cornel University, 1, 1-59. https://doi.org/10.48550/arXiv.2006.03888. 21. Semenets-Orlova, I., Shevchuk, R., Plish, B., Moshnin, ...
- Created on 23 December 2023
- 18. Mathematical models for determining and analyzing thermal regimes in mining industry mechanism structures
- (Content №6 2023)
- ... thermal stress distribution around an elliptic cavity with temperature-dependent material properties. International Journal of Solids and Structures, 216, 136-144. https://doi.org/10.1016/j.ijsolstr.2021.01.010. ...
- Created on 23 December 2023
- 19. Efficiency and seismic safety of constructing underground structures in complex rock masses
- (Content №6 2023)
- ... of rock conditions in face, experiments are conducted on rock samples taken from blasting sites, more detailed data are obtained on rock properties, type and direction of development of crack systems along ...
- Created on 23 December 2023
- 20. Analysis and prediction of surface settlements during the digging of underground mining works (Algeria)
- (Content №6 2023)
- ... study was conducted in two main stages; a geotechnical characterization in situ and in the laboratory to determine the necessary properties of the soil and rock mass used in our model, and in a second ...
- Created on 23 December 2023