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Date submitted2017-11-08
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Date accepted2018-01-20
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Date published2018-04-24
Major trends in efficiency upgrading of the economic activity in the Arctic zone of Russian Federation
Organization of efficient economic activity in the Arctic zone requires development of human potential, transport infrastructure, exploitation of natural resources under the conditions of greatest possible environmental safety. In order to choose preferable trends of economic development and to provide efficiency of operations in the Arctic zone it is crucial to perform research in the areas of industrial efficiency upgrading and rational use of fuel, energy, mineral, chemical and biological resources of the Ocean and littoral areas of Russian Arctic. The paper analyzes major trends in the research on increasing economic efficiency of operations aimed at territory development in the Arctic zone. The authors justify the need to examine economic problems of rational resource use in the Arctic zone of Russia based on the proposed system of resource-estimation indicators and their application in establishing a mechanism of rational resource use with a due regard to protection of the marine environment. The paper also focuses on methodological problems of the target programme approach to complex development of the Arctic zone, creation of target programmes, industrial development and rational use of natural resources. The authors give rationale for the key task in this area – development of methodological principles of forming federal and regional target programmes, aimed at exploration, exploitation and rational use of natural resources in the Arctic zone of Russian Federation. An analysis is provided that focuses on the problems of creating a scientifically justified hierarchical system of programmes and regional regulations, creation of a scientific information data bank and other methodological issues.
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Date submitted2017-09-10
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Date accepted2017-11-01
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Date published2018-02-22
Uninterruptible power supply system for mining industry enterprises
- Authors:
- B. N. Abramovich
Immediate problem of compensating falls and deviations of voltage in the power supply systems of mining enterprises in order to ensure the proper level of power supply reliability for the most important technological consumers is substantiated in the article. The main causes of the voltage falls and deviations occurrence in the power supply systems of mining enterprises have been identified. The degree of different nature voltage falls and deviations influence on the dynamic and static stability of power supply systems is established. The necessity of ensuring an uninterrupted and guaranteed power supply mode for continuous technological processes of mining production is shown. The analysis of the existing regulatory documentation in the field of guaranteed and uninterrupted power supply is carried out. Based on the results of experimental studies and mathematical modeling, a relationship has been revealed between formally independent sources of electricity supply from the viewpoint of existing regulatory documentation. The expression allowing determination of cohesion coefficient of two power supply sources is given. The necessity of taking into account the degree of sources interconnection in the synthesis of uninterruptible power supply systems for mining enterprises is justified. The analysis of existing technical means and solutions for reserving power supply for mining enterprises, including modern uninterruptible online power supply systems, own needs power plants, as well as dynamic voltage distortion compensators, is done. The classification of the consumers categories related to possibility of their complete or partial shutdown in emergency modes in case of voltage falls and interruptions is given. System of uninterruptible power supply for mining enterprises based on the combined use of alternative and renewable energy sources, uninterruptible power supply sources and a multi-step automatic reserve transition system, which allows ensuring uninterrupted mode of energy supply for the most responsible consumers of mining enterprises, was developed.
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Date submitted2015-08-22
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Date accepted2015-10-06
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Date published2016-04-22
Crisis in mica production industry of the Belomorskaya pegmatite province and perspective of its overcoming
- Authors:
- N. D. Malov
- V. V. Shchiptsov
The crisis of the Belomorian pegmatite province mica sector and perspectives of its overcoming causes and consequences of the mica sector crisis in the North-West Belomorie related to studies and a production of lamellar micaceous pegmatite is discussed. The alternative importance of the unique deposit in the Mezhozernoe (Eastern Hizovaara, Northern Karelia) – primary source of scarceness lamellar light mica is confirmed. The results of mineralogical and technological researches show that it is a promising target for mining and processing a small ferrous flake muscovite.
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Date submitted2014-09-10
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Date accepted2014-11-23
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Date published2015-06-26
Navigation and time support management systems by highly dynamic moving objects
- Authors:
- D. A. Pervukhin
- S. V. Kolesnichenko
Researched topical issues of improving the accuracy of the application of highdynamic aircraft used for the purpose of mineral exploration, environmental monitoring, security, environmental and fire safety, as well as the decisions of other special tasks. The possible variants of construction of control systems of dynamic objects on the basis of integration of traditional inertial navigation systems and user equipment of a network of satellite navigation systems. Justified some schematics, technical and constructive solutions for development of advanced navigation equip-ment of the aircraft.
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Date submitted2009-09-24
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Date accepted2009-11-02
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Date published2010-06-25
Oral presentation skills forming. Technical university undergraduates and phd students foreign language teaching а posteriori
- Authors:
- A. A. Petrova
The article is dedicated to the educational methods of oral presentation in foreign language practical skills forming.
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Date submitted2009-08-13
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Date accepted2009-10-29
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Date published2010-02-01
Analysis of statistical data of lecture of the alloyed steels
- Authors:
- R. V. Kurtenkov
Influence of a chemical compound on the carbon contents in a steel is analysed, in the course of processing of month basic data the mathematical model is received, it is offered optimum significances of source parametres at the carbon contents in a steel.
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Date submitted2009-07-12
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Date accepted2009-09-30
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Date published2010-04-22
Development of geothermal resources – higher efficiency in utilization of the earth’s interior
- Authors:
- E. I. Boguslavsky
Preservation of Russia as the great state, its further development and prosperity, appreciably depends on possibilities to provide its own power needs, and also fuel and electric power export. On this historical period, power resources are the basic trading source of replenishment of the state budget. However, oil resources, at preservation of volumes of its export, are quickly exhausted; natural gas is not boundless too. Coal stocks have essentially decreased with disintegration of the USSR, and the remained demand considerable investments, increase of current expenses and are characterised by decrease in quality of coals. Additional expenses on ecological protection of environment will increase. Search of alternative to the organic fuel, burnt in heating plants, is conducted more than ten years. Use of low-temperature sources of thermal energy of resources is one of general directions in the decision of this problem in the XXI-st century. It proves to be true: certain advantages of geothermal resources, a readiness of scientific bases of their development, world industrial experience and specificity of systems of a heat supply in the country.
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Date submitted2008-11-19
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Date accepted2009-01-09
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Date published2009-12-11
Improvement of Russian coal industry development strategy
- Authors:
- A. N. Martemyanova
The work is dedicated to the problems of Russian energy safety by means of perfecting and optimization of the developing strategy of coal industry. The condition of Russian coal industry was analyzed and the main factors, that have an influence on it, were determined. The vision and the main aims of the developing strategy of coal industry and the recommendations of the coal industry state regulation mechanism perfection for the long period were defined in the article.