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MARKET’S RESEARCH OF THE CHILDREN'S GOODS
(2014-12-04) -
Maschinenbau
(2014) -
Mass-dimensional charakteristics of wind-driven powerplants with horizontal axis of rotation of wind wheel
(2015)В роботі проведено аналіз базових конструкцій вітроенергетичних установок з горизонтальною віссю обертання вітроколеса. Проведено порівняння маси, об'єму та енергоефективності цих установок. З'я-совано що найбільшу масу ... -
Mathematic simulation for the rock mass destruction by blasting
(2021)Modeling of rock mass destruction by explosion allowed to obtain mathematical models of the formation of crushing zones, intensive grinding and crack formation, which are formed around the charging cavity in the rock mass ... -
Mathematical modeling of tight roof periodical falling
(2018)The paper proposes a method to determine of a coal seam roof falling step basing upon the analysis of stress and strain state of the rock mass area with mine workings formed as a result of coal preparatory and extraction ... -
Mathematical Model and Method for Diagnosing the Operability of Information and Control Systems
(2022)This paper focuses on the development of mathematical methods for diagnosing the operability of complex structured information and control systems with arbitrary topology in real time. We describe a model based on graph ... -
Mathematical model for calculating enrichment efficiency
(Видавництво НТУ "ДП", 2018) -
Mathematical model of pressure and temperature distribution in working area of mine locomotive disc brake
(2023)Purpose. Calculate the coordinates of the maximum temperature and the greatest pressure on the working surface for the rational parameters of the main elements of the disc brake of the mine locomotive with a multi-sector ... -
Mathematical Model of Rockmass Behaviour in Underground Coal Gasification
(Національний Гірничий Університет, 2010-04-22)Mechanism of rockmass behaviour in underground coal gasification is in a great extent alike to the processes which accompany the wallface coal extracting in mining. Therefore it is necessary to conduct research of the ... -
Mathematical model to optimize drilling-and-blasting operations in the process of open-pit hard rock mining
(Dnipro University of Technology, 2021-06-30)Purpose is to determine a function of the reduced expenditures connected with drilling-and-blasting operations, loading and hauling operations, and rock fragmentation depending upon the cost of machine-shift of the applied ... -
Mathematical Modeling of Energy Distribution in the Working Volume of Ore - Smelting Electric Furnace
(Видавництво НГУ, 2017) -
Mathematical modeling of hydraulic mining from placer deposits of minerals
(National Mining University, 2016-06-30)Purpose. To analyze the process of hydraulic borehole mining of minerals. To define the main problems of hydraulic borehole mining. To create a mathematical model that will describe the process of hydraulic borehole mining ... -
Mathematical modeling of unsteady water filtration into anchored mine opening
(National Mining University, 2017-06-30)Purpose. To develop a mathematical model of the interrelated processes of coal-rock mass deformation and water filtration in the disturbed area to study the change in the value of water inflow into the mine working de-pending ... -
Mathematical modelling of thermal stresses within the borehole walls in terms of plasma action
(Dnipro University of Technology, 2021-06-30)Purpose is the development of a mathematical model to study and describe thermal processes within the borehole wall in terms of plasma-based rock breaking. Methods. The following has been applied: theoretical analysis ... -
Mathematical modelling of transients in the electric drive of the turnout of the mono-sleeper type with switched-inductor motor
(2021)Робота присвячена розвитку функціональності залізничного стрілочного переводу шляхом впровадження вентильно-індукторного електроприводу. Таке рішення дає обґрунтування для спрощення механічної частини стрілочного переводу ... -
MATHEMATICAL SIMULATION FOR ASSESSMENT OF THE SMALL BUSINESS EFFICIENCY: REGIONAL ASPECTS
(2016)Mathematical simulation of economic systems and processes are considered. The description of macroeconomic models for assets formation, consumer behaviour, production activity of an enterprise, and market balance is given. ... -
Mathematical substantiation of mine locomotive braking efficiency under pulsiting braking torque
(2023)A comparative analysis of a mine locomotive braking by a disc brake, which creates a constant and pulsating sinusoidal braking torque with a different number of sinusoid periods per revolution of the wheel pair, is carried ...