- 1. Effect of circumferential lean of pump-turbine runner blades on energy characteristics
- (Content №3 2024)
- ... the dependences of the efficiency curves and heads on flow rate at different values of guide vane openings are shown. Originality. The influence of circumferential lean (spatial profiling) of the runner ...
- Created on 28 June 2024
- 2. Research on occurrence features and ways to improve the quality of productive hydrocarbon horizons demarcation
- (Content №3 2024)
- ... production. A new design of the borehole is proposed in order to increase the reliability of the fastening. It has been proven that the effectiveness of opening oil-saturated reservoirs increases with ...
- Created on 28 June 2024
- 3. The choice of optimal methods for the development of water wells in the conditions of the Tonirekshin field (Kazakhstan)
- (Content №1 2024)
- ... New Concepts for Water Well Screen Opening and Gravel Pack Size. American Journal of Water Science and Engineering, 6(4), 104. https://doi.org/10.11648/j.ajwse.20200604.11. 4. Valigi, D., Cambi, C., ...
- Created on 29 February 2024
- 4. A new mining method for reopening the opencast mine of Kef Essennoun
- (Content №4 2023)
- ... We then carried out a digital assessment of the Northwestern edge stability of the quarry under the current operating conditions of exploitation. After that, we proposed a new operating plan for the reopening ...
- Created on 28 August 2023
- 5. Study on explosion in different cross-sectional shape charge cavity in tensile stress field
- (Content №3 2023)
- ... by tensile stresses and explosion action promotes opening of main cracks both parallel and perpendicular to cut direction. Dependences of propagation of main cracks caused by an explosion in model under ...
- Created on 27 June 2023
- 6. Optimization of technological parameters of airlift operation when drilling water wells
- (Content №3 2023)
- ... rational parameters for opening and drilling of technological wells underground uranium leaching, News of the National Academy of Sciences of the Republic of Kazakhstan, 3(453), 115-127. https://doi.org/10.32014/2022.2518-170X.184. ...
- Created on 27 June 2023
- 7. Analysis of numeric results for analogue of Galin’s problem in curvilinear coordinates
- (Content №1 2023)
- ... the analogue of Galin’s problem was carried out, and the corresponding analytical solutions were obtained. The dependence of the coupling area size on the dimensions of the stamp and the opening angle ...
- Created on 25 February 2023
- 8. Modeling of drilling water supply wells with airlift reverse flush agent circulation
- (Content №1 2023)
- ... isolation technology of permeable horizons of mine opening. E3S Web of Conferences, 60, 1-10. https://doi.org/10.1051/e3sconf/20186000027. 6. Vytyaz, O., Hrabovskyy, R., Artym, V., & Tyrlych, V. ...
- Created on 25 February 2023
- 9. Mathematical modeling the quarry wall stability under conditions of heavily jointed rocks
- (Content №6 2022)
- ... out measures to strengthen the rock opening and to verify the effectiveness of the developed measures. Methodology. The finite element analysis of the rock stress-strain state is implemented on the basis ...
- Created on 25 December 2022
- 10. Numerical study of microwave impact on gas hydrate plugs in a pipeline
- (Content №4 2022)
- ... A., Sudakova, D., & Khamininch, O. (2018). The study of melting process of the new plugging material at thermomechanical isolation technology of permeable horizons of mine opening. E3S Web of Conferences, ...
- Created on 29 August 2022
- 11. Prospects of using the polymetallic ore processing waist for producing hardening mixtures
- (Content №3 2022)
- ... filler based on ore processing waste is aimed at strengthening the fractured area of the rock mass. This increases the stability of rock openings and provides safety of mining. The involvement of ore processing ...
- Created on 29 June 2022
- 12. Improving the capacity of mine degassing pipelines
- (Content №6 2021)
- ... process of the new plugging material at thermomechanical isolation technology of permeable horizons of mine opening. E3S Web of Conferences, 60, 1-10. https://doi.org/10.1051/e3sconf/20186000027. 2. Sudakov, ...
- Created on 29 December 2021
- 13. The parameters of burden flow from the bins of bell-less top charging system of blast furnaces
- (Contens №3 2020)
- ... taking into account various degrees of opening sliding charge gate. It is found that the change in the opening angle of the sliding charge gate of the charging feeder bin model from to 1 radian results ...
- Created on 02 July 2020
- 14. Implications of total quality management in Ukrainian higher education institutions: international experience
- (Contens №2 2020)
- ... 8. Kieliszek, Z. (2018). National Identity as an Important Topic of the Research of the Man in the Future: “Opening” the Potential of the Fichtean an Concept of National Identity. Philosophy and Cosmology, 20, 83-91. https://doi.org/10.29202/phil-cosm/20/7. ...
- Created on 10 May 2020
- 15. Technological solutions development for mining adjacent rock mass and pit reserves taking into account geomechanical assessment of the deposit
- (Contens №2 2020)
- ... Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2020, (2): 17-23 https://doi.org/10.33271/nvngu/2020-2/017 повний текст / full article Abstract: Purpose. The assessment of options for opening and mining the upper tier of Oleniy Ruchey apatite- nepheline deposits and technological solutions development taking into account geomechanical calculations of open pit slopes and benches stability, both on the marginal contour and when changing the design values of the slope parameters, open pit benches and the stability safety factor to establish the marginal maximum accepted under the condition of the values stability. ...
- Created on 10 May 2020
- 16. Two-dimensional elastic theory methods for describing the stress state and the modes of elastic boring
- (Content №1 2020)
- ... Notes in Appl. and Comput. Mechanics. Springer. 14. Govorukha,V., Kamlah, M., & Sheveleva, A. (2015). Influence of concentrated loading on opening of an interface crack between piezoelectric ...
- Created on 10 March 2020
- 17. Influence of chemical reagent complex on intensification of uranium well extraction
- (Contens №6 2019)
- ... 13. Nikitina, Yu. G., Poyezzhayev, I. P., & Myrzabek, G. A. (2019). Improvement of opening schemes of wellfields to optimize the cost of mining uranium. Gornyi Vestnik Uzbekistana, (1), 6-11. ...
- Created on 23 December 2019
- 18. Safety of industrial enterprises development: evaluation of innovative and investment component
- (Economy and Management)
- ... “Smuhasta typohrafiia”. 8. Arefyeva, O., Prokhorova, V., Chebanova, N., Khaustova, V., & Mushnikova, S. (2018). Opening theory as an innovative model of the development strategy of industrial ...
- Created on 26 October 2019
- 19. Approximate analytical model of rock thermal cyclical disintegration under convective cooling
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... and decreasing rock strength. Methods for calculating were developed and effect of the intensity of convective heat transfer on crack opening processes in the rock was studied. The results of calculation ...
- Created on 19 August 2019
- 20. Developing technological schemes of driving workings with controlled resistance of contours
- (Mining)
- ... of high rock pressure of Kostenko, Saranskaia, and Abaiskaia Mines of JSC “Arcelor Mittal Temirtau”. Effects of primary stresses on opening strength are determined. Practical value. The acquired technology ...
- Created on 13 June 2019