- 1. Intelligent Sentinel satellite image processing technology for land cover mapping
- (Content №5 2024)
- ... 16. Yuan, Q., Wei, Y., Meng, X., Shen, H., & Zhang, L. (2018). A multiscale and multidepth convolutional neural network for remote sensing imagery pan-sharpening. IEEE J. Sel. Top. Appl. Earth Obs. ...
- Created on 29 October 2024
- 2. Sorption capacity and natural gas content of coal beds of Donbas
- (Content №4 2024)
- ... depth and also naturally decrease in each depth interval from low-metamorphosed (grade D) coal to highly-metamorphosed one. Based on the approximation results, the corresponding equations were obtained ...
- Created on 28 August 2024
- 3. Assessment of the state of the rock mass around the crosscuts under additional deformation disturbances
- (Content №2 2024)
- ... (2): 032 - 037 https://doi.org/10.33271/nvngu/2024-2/032 Abstract: Purpose. Assessment of the level of disturbance of the stress state of the rock mass around the crosscut of the depth of 545 m when ...
- Created on 01 May 2024
- 4. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... using a basic set of one-dimensional seismic tomographic velocity models calculated for 21 mantle domains in the depth range from 50 to 2,600 km. The process of converting the P-wave velocity model into ...
- Created on 01 May 2024
- 5. An overview of hydrogen production via reforming from natural gas
- (Content №1 2024)
- ... with regard to abiotic degradation, potential global warming, and other influence types. Originality. This analysis offers an in-depth overview of how hydrogen is produced from natural gas as well as ...
- Created on 29 February 2024
- 6. Improvement of the methodology for calculating the expected drilling speed with PDC chisels
- (Content №1 2024)
- ... 031 https://doi.org/10.33271/nvngu/2024-1/026 Abstract: Purpose. Determination of the dependence of the depth of penetration of the PDC cutter into the bottom hole rock, taking into account its geometric ...
- Created on 29 February 2024
- 7. Establishing the influence of the quarry depth on the indicators of cyclic flow technology during the development of non-ore deposits
- (Content №1 2024)
- ... the following methods: analytical method – to establish the dependence of the required number of dump trucks at the enterprise on the depth of non-ore quarry development at a given annual productivity; ...
- Created on 29 February 2024
- 8. Study of leakage current in underground mine power network: a case study in mining in Vietnam
- (Content №6 2023)
- ... in mine power network with long DC power transmission. Methodology. Nowadays, the increase in capacity and working depth leads to the use of DC power transmission, which has many benefits both economically ...
- Created on 23 December 2023
- 9. Efficiency and seismic safety of constructing underground structures in complex rock masses
- (Content №6 2023)
- ... Engineering, 11(5), 965-978. https://doi.org/10.1016/j.jrmge.2019.07.002. 2. Drover, C., Villaescusa, E., & Onederra, I. (2017). Face destressing blast design for hard rock tunnelling at great depth. ...
- Created on 23 December 2023
- 10. Critical infrastructure defense: perspectives from the EU and USA cyber experts
- (Content №5 2023)
- ... structured in-depth interviews. Methodology. Through an investigation of different aspects of the research, we used the Delphi technique and research interviews include the option of the Interviewee ...
- Created on 27 October 2023
- 11. Liquefaction of industrial zone against earthquake loading using laboratory and field measurements
- (Content №5 2023)
- ... were drilled up to a maximum depth of 10 m, and the numbers of blows for conventional penetration tests were measured at various depths in each borehole. The stated shear wave velocity values from the ...
- Created on 27 October 2023
- 12. Predicted resource assessment of Central Kazakhsta ore districts based on airborne geophysical methods
- (Content №5 2023)
- ... the records of the grant of the Science Fund of the Republic of Kazakhstan 2018–2020 “Depth prognosis, surveys, exploration of mineralization areas in Tekturmas ophiolite belt). News of the National Academy ...
- Created on 27 October 2023
- 13. Structure and interpretation of the anomalous magnetic field of the South Turgay petroleum region
- (Content №5 2023)
- ... and depths of occurrence were established. It was revealed that the sedimentary cover and the upper part of the basement here are composed of low-magnetic and non-magnetic formations, and the upper edges ...
- Created on 27 October 2023
- 14. Soil contamination status using contamination indicators and the health risk
- (Content №4 2023)
- ... modeling was carried out in a field tour in November for each region in depth, the concentrations of heavy elements approved in the current study (manganese, copper, cadmium, mercury) using the atomic ...
- Created on 28 August 2023
- 15. Tectonics and gravity field structure of Central Kazakhstan
- (Content №4 2023)
- ... Map Series. 13. Lyubetsky, V. N., Lyubetskaya, L. D., Bikeev, V. S., Shabalina, P. V., & Urdabaev, A. T. (2006). Features of the lithosphere structure of Kazakhstan, determining the depth criteria ...
- Created on 28 August 2023
- 16. Study on explosion in different cross-sectional shape charge cavity in tensile stress field
- (Content №3 2023)
- ... C., Villaescusa, E., & Onederra, I. (2018). Face destressing blast design for hard rock tunnelling at great depth. Tunnelling and Underground Space Technology, 80, 257-268. https://doi.org/10.1016/j.tust.2018.06.021. ...
- Created on 27 June 2023
- 17. Optimization of technological parameters of airlift operation when drilling water wells
- (Content №3 2023)
- ... mixer. Practical value. The proposed technique makes it possible to establish the dependence of the values of the output parameters on the depth of the well, as well as the required compressor performance ...
- Created on 27 June 2023
- 18. Geoelectrical model of the Earth’s crust along the Shu-Sarysu geotraverse according to magnetotelluric soundings
- (Content №3 2023)
- ... data, a geoelectric section of the Shu-Sarysu geotraverse was constructed, characterizing the position and morphology of five geoelectric boundaries in the crustal section in the 0–40 km depth interval. ...
- Created on 27 June 2023
- 19. Contact tensions under the sole of rigid deep laying foundations and ground anchors
- (Content №2 2023)
- ... along the sole of a rigid round stamp, located in an elastic isotropic half-space at a certain depth h 0. To compare the obtained solution with the well-known classical result for h = 0, to check the ...
- Created on 28 April 2023
- 20. Connection of Kryvbas tectonics with natural and technogenic seismicity
- (Content №2 2023)
- ... time scale. Originality. A detailed analysis of the earthquakes shows that some of them occur at significant depths in the zones of tectonic faults outside of Kryvbas. At the same time, faults in separate ...
- Created on 28 April 2023