Košice, Slovakia
Košice, Slovakia

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Teplicka K.,Ustav podnikania a manazmentu | Culkova K.,Ustav podnikania a manazmentu | Manova E.,Katedra financii a uctovnictva
Acta Montanistica Slovaca | Year: 2012

Operation analysis is scientific system discipline, that at the same time ranking to the praxeology disciplines - science about rational organization of human activity, applied to the area of management in the economy and in the other areas (research, health care, transport, schools, state administration, urbanism, cosmic research, army, etc.). Operation analysis is orientated to the operation of production, transport, division, services, supplying, stocking, renovation, development, conflict solving, etc. Many times we meet in practice with situations; at that it is necessary to solve questions of the preventive control at production equipments or to solve the way damaged segments renovation for production equipments. Goal of the presented article with regard to the higher mentioned facts is to refer to the possibility of mathematical models using for questions solving during optimalization of production equipments renovation in mining firm, to refer to the ways of renovation solving in practice, to evaluate contributions of mathematical modeling in decision process.


Tomcejova J.,R.Ø.S.A. | Halko P.,R.Ø.S.A. | Novacek E.,Vychodoslovenska energetika a.s. | Taus P.,Ustav podnikania a manazmentu
Acta Montanistica Slovaca | Year: 2012

This report is concerned with comparison of amount of power produced by photovoltaic power-station determined before construction by simulation of the given system with actually measured values during the full operation of the power-station. Our objective was to compare and evaluate the results of prediction against actual situation. The solution result is the justification of deviations measured.


Novacek E.,Vychodoslovenska energetika a.s. | Tausova M.,Ustav podnikania a manazmentu
Acta Montanistica Slovaca | Year: 2012

The use of renewable sources in the production of electricity and heat is currently rather common practice than something unusual. Nevertheless, while projecting such a source of energy, it is necessary to take into account certain particularities, risks as well as possibilities. With the production and usage of biogas it is the use of local energy and working sources, which has a positive impact on the development of the region. In this article, technical and economic operation parameters of the biogas plant in Rozhanovce are analysed.


Effective usage of people's knowledge, abilities and creativity of people is becoming the key for successful performance in competitive environment of the global economy. Creation of a new discipline - the knowledge management is a reaction to this trend. It includes all progress trends of the recent years and furthermore, it tries to develop a systematic method how to identify, obtain, maintain, and use the intellectual capital. Nowadays, nobody doubts that success of every company on the global market in great extent, depends on how fast it can adjust to quick changes of the business environment. This is also one of the reasons why human capital is becoming a crucial and more valuable factor. Currently, during the era of globalization, the changes are extremely fast therefore it is necessary that companies to reassess instruments and procedures that have been used so far. A proper way is to activate the whole system, think about organizational development and through that change acquire such a system that will be suitable for rapid change in business.


Rybar R.,Centrum obnovitelnych zdrojov energie | Csikosova A.,Ustav podnikania a manazmentu
Acta Montanistica Slovaca | Year: 2011

Report is dedicated to aspects of conceiving the number of scientific magazine Acta Montanistica Slovaca, which purpose was to publish specific key reports from the sixth year of international science conference RESpect 2011. The main aspect in the decision process was to cover the conference agenda, complexity of the global problematic understanding, the subject of examination actuality and the results achievement level. The choice at the same time points on the technological, evaluative, environmental, economical and application aspects of the RES usage, with accent on the Middle Europe region conditions.


Antosova M.,Ustav podnikania a manazmentu | Fabianova Z.,Ustav podnikania a manazmentu | Weiss R.,Ustav podnikania a manazmentu
Acta Montanistica Slovaca | Year: 2011

Member states of EU put bigger stress to the using of RES. Ambitious goal of EU till 2010 was to achieve 12 % rate of RES on the whole energy consumption. Therefore there were created many institutional and financial tools and schemes for support of RES using and they will be important part of the energy sources structure. One of the basic prirorites of energetic policy in Slovakia is increasing of the RES rate on the production of heat and electricity with goal to create adequate additional sources necessary for covering of domestic demand. Presented contribution is orientated to the various mechanisms that are using for support of renewable energy sources. That means state regulation in this area generally and basic types of state donation policy in the frame of European Union and their consequences on the market with renewable energy sources.


Dynamic stall, caused by flow separation, will take place on any profile or other surfaces that are exposed to time-dependent motion in the flow, such as change in angle of attack, wing flapping respectively or another vertical movement. The study comparer results of simulations of flow around airfoil FX 63-137.


Goal of the contribution is to explain evaluation of economical environment that firms must respect during their business activity. External environment of mining firm includes except others technological development, economical situation, legislative by the way of regulation, but in last time also stimulations from the government, competition behavior and other. Contribution is dealing also with energetical effectiveness in the frame of economical evaluation applied in conditions of Slovak republic. The renewable energy sources are domestic sources of energy that help to enhance the safety of energy supplies and the diversification of energy sources. The renewable energy is proved to be commercially viable for a growing list of consumers and uses. The renewable energy technologies provide many benefits that go well beyond the energy alone. More and more, the renewable energies contribute to the three pillars of the sustainable development in the economy, environment and the society.

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