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Зараз показуються 1987-2006 з 22120
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Optimization of molybdenite flotation using response surface method
(National Mining University, 2018-03-30)Purpose. The paper is aimed to study the molybdenite flotation from a low-grade uranium ore containing 0.2% of Mo. Methods. Three control parameters including frother (MIBC) dosage, collector (gasoline) dosage and pH, ... -
Optimization of parameters of technological schemes of coal mines
(Нац. техн. ун-т «Дніпровська політехніка», 2019)Purpose. Develop a tool for assessing the state of technological schemes of coal mines, based on the study of the real state of the technological scheme, taking into account the hierarchical links between the elements of ... -
Optimization of position of the cyclical-and-continuous method complexes when cleaning-up the deep iron ore quarries
(National Mining University, 2019-09-30)Purpose. An algorithm development for calculating the optimum depth for cyclical-and-continuous method schemes introduction when cleaning-up the deep iron ore quarries. Methods. When developing an algorithm for calculating ... -
Optimization of product processing modes in modeling and programming of machining on machine tools with program control
(2023)Numerical research results have been obtained for a scientifically based approach to solving the technical problem of high-performance turning of cast iron parts on multi-axis machining centers, which contains a set of ... -
Optimization of salt crystallization process by solar energy with the use of mirror reflection, case of Chott Merouane El-Oued (South East of Algeria)
(National Mining University, 2018-09-30)Purpose. This paper aims to improve the harvesting conditions of the crystallized salt layer of the Salins Merouane El Meghaier (SME) – South East of Algeria, by creating favorable conditions for means of harvesting ... -
Optimization of the neural model of investment
(LAP LAMBERT Academic Publishing, 2019)In a monography written a new solution and theoretical generalization of the problem, which is to build methodological principles. Approaches and conceptual tools of analysis, mathematical modeling and management of ... -
Optimization of the number of call center operators
(2021)Abstract. The intensity of receiving orders from customers was determined by statistical research. The intensity of orders by month is described by a nonlinear transcendental model. Queue theory allowed us ... -
Optimization study of blasting operations in Roşia Poieni open pit mine, Romania
(Dnipro University of Technology, 2021-12-30)Purpose. Drilling-blasting technology is one of the simplest and most often used techniques in open pit mining. This allows the excavation of a large volume of rock and useful mineral substance. The operation of blasting ... -
Optimizing advertising costs of banking services
(2017)One of the key elements of market infrastructure has a decisive influence on the economic development of any country, serving the banking system. Reforming the economic system of Ukraine is impossible without the ... -
Optimizing the separation characteristics of the waterinjection hydrocyclone using mathematical modelling
(Dnipro University of Technology, 2021-12-30)Purpose. Although the hydrocyclone separator has many advantages, it still has some limitations which decrease its separation efficiency in many mineral processing applications because of fine particles which are miss ... -
Oral testing techniques in esp
(НГУ, 2012)An oral test as a test in which a student is encouraged to speak, and is then assessed on the basis of that speech is difficult to treat in the same way as other more conventional tests. Being qualitatively different ... -
Ordinary differential equations = Звичайні диференційні рівняння
(Витдавництво НГУ, 2015)This study guide provides the basic concepts and definitions of differential equation theory. It highlights the most important integration methods and theorems of solution existence. This textbook should ... -
Ore and Material Dressing
(2013) -
Organization "green" power-station
(Science and education LTD, 2019) -
Organization of dumping stations with combined transport types in iron ore deposits mining
(National Mining University, 2016-06-30)Purpose. To develop the methodology for selecting appropriate type of open-pit transport in conditions of mining sinking to the maximum depth of opencast mining. Methods. Comprise determining costs for maintenance of ... -
Organization of internal communications as a component of strategic communications in the state administration system
(НТУ ДП, 2023)The impetus for reviewing the role and place of communications was the full-scale invasion of the Russian Federation. In the framework of external communications, the Armed Forces of Ukraine have become an important ... -
Organization of Invariant Amplification-Conversion Systems
(Видавництво НТУ "ДП", 2018) -
Organization of non-metallic deposits development by steep excavation layers
(National Mining University, 2016-12-30)Purpose. To determine rational technological scheme of extracting mineral resources in the steep excavation layer in non-metallic hard minerals quarries while delivering rock mass from the quarry to the surface processing ...