- 1. Choosing injectable solution for auger technology of underground space protection against pollution
- (Content №5 2021)
- ... regularities of changes in water absorption and time of plastic strength setting when varying the composition of the anti-filtration shield (concentration of fiber, bentonite, water glass); development ...
- Created on 29 October 2021
- 2. Current state and forecast of sulfur dioxide and dust emissions at thermal power plants of Ukraine
- (Content №5 2021)
- ... 8. Volchyn, I.A., & Haponych, L.S. (2014). Estimate of the sulfur dioxide concentration at thermal power plants fired by Donetsk coal. Power Technology and Engineering, 3(48), 218-221. https://doi.org/10.1007/s10749-014-0511-0. ...
- Created on 29 October 2021
- 3. Determination of adhesion stages of the Fe-Ni ore at the Ferronikeli plant in Drenas
- (Content №5 2021)
- ... of high metal concentration zones in man-made deposits. Mining of Mineral Deposits, 12(2), 76-84. https://doi.org/10.15407/mining12.02.076. 8. Strezov, V., Evans, A., & Evans, T. (2013). Defining sustainability ...
- Created on 29 October 2021
- 4. Tectonic factors of impurity elements accumulation at the Shubarkol coal deposit (Kazakhstan)
- (Content №5 2021)
- ... rocks enriched with impurity elements and the conditions needed for its leaching and transportation to the coal seam were analyzed. It was found that the coals in individual samples have average concentrations ...
- Created on 29 October 2021
- 5. Research into ecological status and the degree of heavy metal concentration in the waters of the Drenica river (Kosovo)
- (Content №4 2021)
- ... Drenica River surface water. The EPA-3015A method was applied for sample preparation, while the AAS (Atomic Absorption Spectrophotometry) measurement technique was used to determine the concentration of ...
- Created on 23 August 2021
- 6. Substantiating rational schedule to load trucks using draglines while mining a pit of Motronivskyi MPP
- (Content №4 2021)
- ... in the context of the pit. Methodology. Mathematical and graphical modeling was involved while determining a coefficient of mining concentration in the pit as well as feasibility analysis to select a rational ...
- Created on 23 August 2021
- 7. Determination of stress concentration near the holes under dynamic loadings
- (Content №3 2021)
- ... stresses at the initial time is improved; the remainder is taken into account in the conversion formula. Practical value. A method has been developed for calculating the stress concentration at holes of ...
- Created on 23 June 2021
- 8. Increasing gold leaching efficiency with change of solution rheological properties
- (Content №3 2021)
- ... technology), and then the solution activation was applied. The ore amount in the stockpile was 600 kg; the gold content in the ore is 1.12 g/t. At the same time, the concentration of cyanide was 400 ppm. ...
- Created on 23 June 2021
- 9. Assessment of the ecological risk of pollution of soil and bottom sediments in the Ukrainian Danube region
- (Content №2 2021)
- ... areas is assessed as high. The monitoring data pertaining to the sites where unusable plant protection chemicals are stored indicate that the maximum permissible concentrations of certain pollutants surpass ...
- Created on 29 April 2021
- 10. Enhancing energetic and economic efficiency of heating coal mines by infrared heaters
- (Content №2 2021)
- ... 3. Kapalo, P., Vilcekov, S., Domnita, F., Bacotiu, C., & Voznyak, O. (2017). Determining the Ventilation Rate inside an Apartment House on the Basis of Measured Carbon Dioxide Concentrations Case ...
- Created on 29 April 2021
- 11. Investigation on the process of injection of commercial grade and blended fuel in a diesel engine
- (Content №2 2021)
- ... with fuel blended with alcohol the velocity decreases to 429 m/s (at a 25% alcohol concentration). Due to the lower pressure of saturated vapours of the blended fuel, as compared to that of commercial ...
- Created on 29 April 2021
- 12. Providing the environmental safety by increasing the efficiency of firefighting in unsheltered timber warehouses
- (Content №1 2021)
- ... impact of fires in unsheltered timber warehouses on the environmental safety by reducing the duration of free development of the fire, the speed of fire front spread, the concentration of combustion products ...
- Created on 05 March 2021
- 13. Analytical studies on constrained particle settling velocity in a water suspension of fly ash from thermal power plants
- (Content №1 2021)
- ... 6. Sklyar, L.V., & Prokopchuk, D.S. (2017). Technology of concentration of slags and sludge from Thermal Power Plants. Mining Journal, 102, 91-96. 7. elija, M., Rosi, A., Radovi, N., Vasi, M., ogo, ...
- Created on 05 March 2021
- 14. Geological and mining-engineering peculiarities of implementation of hydromechanical drilling principles
- (Content №1 2021)
- ... 13(1), 49-57 https://doi.org/10.33271/mining13.01.049. 8. Malanchuk, Z., Korniienko, V., Malanchuk, Ye., Soroka,V., & Vasylchuk, O. (2018). Modeling the formation of high metal concentration zones ...
- Created on 05 March 2021
- 15. Defining the standard of market analysis in sectors of strong SOE presence
- (Content №6 2020)
- ... 2. EC, European Commission Council Regulation (2004). On the Control of Concentrations between Undertakings No. 139/2004 dated 20 Jan. 2004 Retrieved from http://ec.europa.eu/competition/mergers/legislation/regulations.html. ...
- Created on 22 December 2020
- 16. Research on technology of complex processing of phosphogypsum
- (Contens №5 2020)
- ... treatment. To determine the concentration of acid and rare earth elements in the filtrate after phosphogypsum excretion in the samples, depending on the ratio of phosphogypsum : acid 1 : 1.5; 1 : 2 and ...
- Created on 30 October 2020
- 17. Enhancing efficiency of air distribution by swirled-compact air jets in the mine using the heat utilizators
- (Contens №5 2020)
- ... inside an Apartment House on the Basis of Measured Carbon Dioxide Concentrations – Case Study. The 10th International Conference on “Environmental Engineering”. Vilnius, Lithuania, Selected Papers, (pp.30-35). ...
- Created on 30 October 2020
- 18. Impact of duration of mechanochemical activation on enhancement of zinc leaching from polymetallic ore tailings
- (Contens №5 2020)
- ... was used. As a solution for leaching, a mixture with a different ratio of mass concentrations of hydrochloric and sulfuric acids was used. In addition, the ratio of solid and liquid fractions was varied ...
- Created on 30 October 2020
- 19. Peculiarities of mining the protecting pillar in the laminal massif of soft rocks
- (Contens №5 2020)
- ... been determined of the frontal bearing pressure zone displacement ahead of the longwall face during mining the protecting pillars, as well as the concentration factor Ky = 1.1–1.3 at a height from the ...
- Created on 30 October 2020
- 20. Geochemical specialization of the Shubarkol deposit coals
- (Contens №5 2020)
- ... the coals of the Shubarkol deposit are geochemically specialized in Ba, U, Au, Yb, Ba, Cd, La, Nd, Ce, Zn, Sc, Sr, Zr. The weathered coals of the Eastern section of the deposit contain concentrations of ...
- Created on 30 October 2020