Bibliografie tematiche / Intensive crushing zone

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Letteratura scientifica selezionata sul tema "Intensive crushing zone"

Autore: Grafiati

Pubblicato: 7 giugno 2025

Ultima modifica: 2 agosto 2025

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Articoli di riviste sul tema "Intensive crushing zone"

Mavlyanov, A.A, T.E. Melnikova, and A. Milyutin. "Study of the impact of preliminary contour blasting on changing the zone of intensive rock crushing and reducing the level of watering of the massif in quarry." Multidisciplinary Journal of Science and Technology 5, no. 5 (2025): 376–79. https://doi.org/10.5281/zenodo.15382994.

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Rauf Husain, Jamal, Normansyah Normansyah, and Hasbi Bakri. "Structure Control of Iron Ore Education on Sebuku Island." Journal of Geology and Exploration 1, no. 1 (2022): 8–12. http://dx.doi.org/10.58227/jge.v1i1.2.

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Sebuku is occupied by serpentinized ultramafic (peridotite) rocks, gabbro, and chert which are ophiolite series formed in the oceanic crust, in the middle occupied by tuff and claystones. The purpose of this study was to determine the distribution pattern of iron ore deposits. The research area illustrates that the distribution of Fe elements with high levels of >48% is concentrated in the northeast-southwest part, while Fe elements with levels of <48% are concentrated in the southwest-northwest part of the west. Based on the topographic classification of the research area. The pattern o

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Сердалиев, Е. Т., Е. Е. Искаков, Б. А. Бахрамов та Ж. Г. Кенесов. "ОПТИМИЗАЦИЯ ДРОБЛЕНИЯ РУДЫ ПРИ РАЗРАБОТКЕ ЗОЛОТОРУДНЫХ МЕСТОРОЖДЕНИЙ ОТКРЫТЫМ СПОСОБОМ". Горный журнал Казахстана, № 12(236) (27 грудня 2024): 4–9. https://doi.org/10.48498/minmag.2024.236.12.002.

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В статье представлены результаты исследований по оптимизации работы системы «буровзрывные работы – дробильный комплекс». Приведены результаты анализа, выявляющие несоответствие между характеристиками взрывных работ и процессом дробления рудной массы на примере рудника «Пустынное». Установлено, что гранулометрический состав рудной массы затрудняет эффективное выполнение энергоемкого процесса дробления. Для повышения эффективности и оптимизации работы системы «буровзрывные работы – дробильный комплекс» предложено осуществлять районирование взрывных зон ме- сторождения на основе крепости и структ

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Katanov, Igor. "The Change of the Spatial Parameters of the Destruction of the Rock mass by Borehole Charge with Low-Density Tamping." E3S Web of Conferences 41 (2018): 01018. http://dx.doi.org/10.1051/e3sconf/20184101018.

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Explosive destruction of the rock formation is substantiated by several theories developed by well-known scientists. The improvement of quality of preparation of rock mass to excavation, by an excavator without an increase in the value of specific consumption of explosives is important in the present time. Traditionally, to increase the impact time of detonation products on the rock hard tamping was used. The problem is in the rational redistribution of the explosion energy due to the use of a borehole charge, and in particular, in the tamping of low-density, porous materials. The more intensi

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KONONENKO, M. M., O. YE KHOMENKO, S. M. HAPIEIEV, and R. M. TERESHCHUK. "NEW METHODOLOGY FOR CALCULATING PARAMETERS OF DRILLING AND BLASTING DURING THE CONSTRUCTION OF SUBWAY TUNNELS." Bridges and tunnels: Theory, Research, Practice, no. 27 (June 28, 2025): 35–45. https://doi.org/10.15802/bttrp2025/331605.

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Purpose. The aim of this work is to develop a new method for calculating the parameters of drilling and blasting (D&B) for the construction of subway tunnels, taking into account the hole size, the pressure of the blast products, the compressive strength of the rocks, their structural composition, fracturing and compaction under the action of rock pressure. Methodology. To develop a method for calculating the parameters of D&B during the construction of metro tunnels, we used the well-known laws of elasticity theory and the basic provisions of the quasi-static-wave hypothesis of the me

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Davydenko, O., R. Ahaiev, S. Shypunov, V. Yavorska, and M. Kononov. "Drilling mechanical hydrogen extraction at mining enterprises of Ukraine." Collection of Research Papers of the National Mining University 72 (March 2023): 249–58. http://dx.doi.org/10.33271/crpnmu/72.249.

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Purpose. Increasing the technical and economic indicators of well mechanohydraulic production due to the selection of the type and optimal formulation of drilling flushing fluids. In today's conditions, the lack of energy carriers requires involving a wider range of natural phenomena in energy production, looking for reliable ways and methods of increasing the efficiency of production. The use of energy also forces the introduction of resource-saving, environmentally safe geotechnologies in the energy-intensive technological processes of mining, transportation, crushing and beneficiation of mi

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Ibragimov, R. А., E. V. Korolev, and Sh Kh Zaripov. "Mechanisms of destruction of mineral particles and kinetic characteristics of ferromagnetic bodies in vortex layer devices." Zhilishchnoe Stroitel stvo, no. 1-2 (January 29, 2025): 81–90. https://doi.org/10.31659/0044-4472-2025-1-2-81-90.

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Identification of the mechanisms of destruction of particles of mineral components during processing in grinding devices is a scientific and practical problem, the solution of which has not yet been presented in its final form. In this paper, kinetic characteristics of ferromagnetic bodies moving under the influence of an electromagnetic field in a vortex layer apparatus are determined. A mathematical model of the motion of ferromagnetic bodies is implemented taking into account the radial inhomogeneity of the magnetic field induction. The dependence of the velocity of a ferromagnetic body on

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Lyashenko, Vasil, Oleh Khomenko, Tatiana Chekushina, Tamara Dudar, and Fedor Topolnij. "Evaluation of efficiency and environmental safety of leaching metals from ore: ways of development and prospects." Technology audit and production reserves 3, no. 3(59) (2021): 19–26. http://dx.doi.org/10.15587/2706-5448.2021.235288.

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The object of research is traditional mining technologies and technical means in combination with underground block leaching (UBL) of metals from rock ores with their preliminary crushing with explosives in installations mounted in mine workings. One of the most problematic areas is the difficulty of achieving a given crushing quality, as well as the required height of ore storage in the chamber for the subsequent leaching of metals and a loosening factor, taking into account the control of the energy of explosive destruction of rock ores. The study used: – data from literary sources and paten

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Khmelovskyi, V. S. "Research of mobile combined feed preparation unit." Naukovij žurnal «Tehnìka ta energetika» 11, no. 4 (2020): 33–39. http://dx.doi.org/10.31548/machenergy2020.04.033.

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The issues of implementation of the technological process of preparation of feed components for feeding for cattle are considered. The main factors of complete feeding are: a complete set of essential nutrients, timely and affordable and optimally coordinated in quantitative terms of their entry into the bodies of animals. The process of grinding feed components, to a large extent, depends on their physical and mechanical properties. One of the conditions for preparing the feed mixture is the minimum use of additional machines that perform the operations of grinding, mixing and distribution of

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Vasil, Lyashenko, Khomenko Oleh, Chekushina Tatiana, Dudar Tamara, and Topolnij Fedor. "Evaluation of efficiency and environmental safety of leaching metals from ore: ways of development and prospects." Technology audit and production reserves 3, no. 3(59) (2021): 19–26. https://doi.org/10.15587/2706-5448.2021.235288.

Testo completo

Abstract (sommario):

The object of research is traditional mining technologies and technical means in combination with underground block leaching (UBL) of metals from rock ores with their preliminary crushing with explosives in installations mounted in mine workings. One of the most problematic areas is the difficulty of achieving a given crushing quality, as well as the required height of ore storage in the chamber for the subsequent leaching of metals and a loosening factor, taking into account the control of the energy of explosive destruction of rock ores. The study used: – dat

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Più fonti

Atti di convegni sul tema "Intensive crushing zone"

Mamanov, Yerkhozha, Maxat Kembayev, and Saltanat Assubayeva. "PROSPECTS OF COMPUTER SIMULATION GEOLOGICAL STRUCTURES FOR FORECASTING MINERAL RESOURCES." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/1.1/s01.14.

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Abstract (sommario):

For prospecting works on the Karsakpai-Ulytau area, we used computer modeling of geological structures and a forecast of possible associated minerals. The Karsakpai- Ulytau ore district is located in the ring geosuture zone of Kazakhstan, represented by deep faults and crushing zones, which served as channels for the penetration of mantle melts into the Earth's crust. The area has a complex geological history. The combination of igneous, metamorphogenic and sedimentogenic geological formations of the Proterozoic and Paleozoic led to the formation of various minerals in its bowels. In the Paleo

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Veliyev, Fuad H., Elkhan M. Abbasov, and Sayavur I. Bakhtiyarov. "Energy Saving Technology Based of Negative Pressure Phenomenon." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37098.

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Abstract (sommario):

Negative pressure is one of the metastable states of liquids at which it can be extended up to a certain limit without a gap of continuity. There are numerous experimental studies where a negative pressure up to 40 MPa has been obtained at laboratory conditions. However, these results of the experimental works were not practically implemented, as real liquids both in the nature and the technological processes contain impurities. Under certain kinetic and hydrodynamic conditions the waves of negative pressure in real liquids (crude oil, water, and water-based solutions) were observed. The wave

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