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Optimalspeed controller with predetermined difficulty
(НГУ, 2013)Today the engineering industry share of Ukraine is 12%, although in the early 90's it stood at 31% and was the basic industry of the country [1]. Dnipropetrovsk region engineering complex consists of 120 plants, which ... -
Optimisation of the production process of block gravel filters
(2023)Block gravel filters are widespread efficient filtration systems used in oil and gas wells. Their use increases oil production and reduces well contamination. It extends the service life and reduces well maintenance costs. ... -
Optimization of blasting works during the destruction of masses with complex structure
(National Mining University, 2017-09-30)Purpose. To study the quality of crushing rocks with different strength properties, depending on parameters of the charges location and the blasting time. Methods. Based on the destruction of laboratory samples, histograms ... -
Optimization of blending operation for Aswan phosphate mines using linear programming
(National Mining University, 2018-12-30)Purpose. The economic value of phosphate is reduced when randomly blending raw phosphate produced from different mines. Therefore, the blending process of different raw phosphate ores to produce economic percentage of P2O5 ... -
Optimization of contact stresses in shoe brakes of mine hoisting machines
(2024)Originality. The proposed analytical model is based on the Winkler elastic foundation involving variable stiffness parameters, which provides high accuracy in modeling the actual physical characteristics of the braking ... -
Optimization of insurance contributions in risk insurance
(2017)Kyivmetrobud Corporation, Kryvyi Rih, is engaged in the construction of new mines and the expansion of the road network in the old ones. All these works are carried out at considerable depths underground and are accompanied ... -
OPTIMIZATION OF INSURANCE CONTRIBUTIONS IN RISK INSURANCE
(Le Mans University Faculty of Economics and Management, 2017-11-17) -
OPTIMIZATION OF INVESTMENT FOR COAL MINES BASED ON NEURAL NETWORK MODEL
(2018)The main objective of the paper is to develop a system of economic and mathematical models for managing the investment activity of the coal mining enterprise, including improving the principles and methods for ... -
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 of the route formation process using the grasp algorithm
(2024)We investigate the relationship between bias about infectious disease and well-being. First, we empirically establish the existence and the causes of bias, specifically during the COVID-19 pandemic. After that we investigate ... -
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 ...