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1
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Eksploatacja i Niezawodność
2007 nr 1 13-18
EN The purposeful processing of long-term documented maintenance data can provide plenty of information not only about a machine's history, but also about its maintenance system. The main objective of data analysis is to continually improve the maintenance efficiency, which is closely related to improv[...]
2
80%
Journal of KONES
EN The study presents an important part of fourth chapter of the monograph 'Energy Consumption in Relation to Fuel Efficiency Under Complex Driving Conditions' (2003) concerning opportunities to improve vehicle drive efficiency through application, during one phase of driving in neutral in two-phase dr[...]
3
80%
Zeszyty Naukowe / Akademia Morska w Szczecinie
2013 nr 35 (107) 58--64
EN It is indisputable that the main conditions for acceleration of the national economy growth involve an objective evaluation of the contribution of innovative projects to the increase of national wealth (NW) of a country and recognizing those contributions as income of science and technology enterpri[...]
4
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Journal of KONES
EN An analysis of experimental tests and a literature survey of the issue revealed that the problems connected with assessment of costs and effectiveness of transport means repairs has a significant influence on their operation efficiency. Operating factors affecting the elements of technical objects c[...]
5
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Journal of KONES
EN Continuous and dynamic development of freight transports, especially in the road sector, results in generation of negative effects on the environment and poses hazards to human health and life and by generating high costs it creates significant economic, social and environmental problems. Therefore,[...]
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Inżynieria Rolnicza
2010 R. 14, nr 5 173-179
PL Badano wpływ: prędkości obrotowej wałka wysiewającego i szerokości szczeliny wysiewającej na wydajność nowego kołeczkowego zespołu wysiewającego przy wysiewie nasion rzepaku, żyta, pszenicy i bobiku. Wykazano, że zespół wysiewający może być stosowany w siewnikach uniwersalnych do dozowania i wysiewu[...]
EN The subject of the analysis was the impact of the rotational speed of the sowing roller and the width of the sowing hole on the efficiency of the new pin sowing unit in the case of sowing of rape, rye, wheat and horse bean seeds. It was shown that the sowing unit can be used in universal seeders for[...]
7
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Journal of KONES
EN The article deals with an issue of complex systems operation efficiency, especially of the ones which are connected with transport. The operation of such systems aims at developing both passenger and load transportation in terms of safety, reliability, effectiveness and environment friendliness. The[...]
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80%
Journal of KONES
EN As far as the current rules involved in business enterprise operation process are concerned, one of the most significant characteristics is specified by the need of engaging economic criterion in all procedures involved. Thus, it is required to introduce deep and extensive analysis concerning econom[...]
9
80%
Challenges of Modern Technology
EN The main subject of the article is the analysis of the characteristics of a Stirling engine. The article presents a general principle of operation of the engine, its basic types and properties. The paper contains a description of the construction of a laboratory model of the engine and the results o[...]
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Research in Logistics & Production
2013 Vol. 3, No. 3 155--165
EN The article presents the concept of logistically efficient product in the logistic management and results of research conducted on a group of small manufacturing companies in the textile industry from the Lodz region. The research was conducted to determine conditions of logistic management in small[...]
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Elektroenergetyka : współczesność i rozwój
2009 Nr 2 12-22
PL Autor artykułu podjął próbę oceny obecnej efektywności wykorzystania energii elektrycznej w odniesieniu do PKB w Polsce w porównaniu z krajami starej Unii Europejskiej (UE-15) oraz wskazania elementów mających kluczowe znaczenie dla większej poprawy wykorzystania energii elektrycznej w Polsce. W tym[...]
EN The article describes challenges facing energy policy of Poland and possible methods of improving energy efficiency till 2030. The current energy efficiency in Poland with relation to GNP is compared to similar indices in EU-15 countries (based on official Eurostat and GUS statistics) and key factor[...]
12
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Mechanics and Mechanical Engineering
EN Experimental research on steam flow through a two-stage turbine is presented. Change of pressure and velocity ratio in individual stages is studied. The effect of the Reynolds number and the Mach number on the thermodynamic efficiency of individual stages as well as the entire turbine is evaluated. [...]
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Operations Research and Decisions
EN This article presents results of research on the efficiency of public prosecution organizational units by means of the DEA method. The study covered 45 public prosecution regions, whose technical and cost efficiency were analyzed. It also examined the impact of the returns-to-scale effect on their o[...]
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Fundamenta Informaticae
EN Inductive Logic Programming (ILP) is a powerful and well-developed abstraction for multi-relational data mining techniques. Despite the considerable success of ILP, deployed ILP systems still have efficiency problems when applied to complex problems. In this paper we propose a novel technique that a[...]
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Fundamenta Informaticae
EN Deforestation is a well known transformation algorithm which can eliminate intermediate structures from functional programs. In previous work, we have shown how the deforestation algorithm can be extended to handle higher order programs. A higher order treeless form of expression was defined to ensu[...]
16
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Bulletin of the Polish Academy of Sciences. Technical Sciences
EN It is common knowledge that transmission systems are being pushed ever closer to their stability and thermal limits. Traditional solutions for upgrading electrical transmission system infrastructure have been primarily in the form of new power plants, new transmission lines, substations, and associa[...]
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Metrology and Measurement Systems
EN A thermal resistance characterization of semiconductor quantum-well heterolasers in the AlGaInAs-AlGaAs system (λst ≈ 0.8 μm), GaSb-based laser diodes (λst ≈ 2 μm), and power GaN light-emitting diodes (visible spectral region) was performed. The characterization consi[...]
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Spektrum
2008 nr 9 XII-XVII
PL Pojazdy elektryczne nie emitują spalin i hałasu. Efektywność silników elektrycznych i rozwój nowoczesnych magazynów energii sprawiają, że pojazdy elektryczne stanowią techniczną i ekonomiczną alternatywę dla pojazdów tradycyjnych. W artykule przedstawiono ogólne perspektywy rozwoju pojazdów elektryc[...]
EN Electric vehicles do not emit exhaust gases nor noise. Efficiency of electric motors and development of modern energy stores make electric vehicles to be a technical and economic alternative to traditional vehicles. Presented are general perspectives concerning development of electric vehicles, comp[...]
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Inżynieria i Aparatura Chemiczna
2006 Nr 4s 158-160
EN The theoretical basis and experimental results for fluidized fine jet grinding of granular substances are presented in the paper. The experiments consisted of grinding tests of selected narrow size fractions of limestone in turbulent fluidized layer conditions. The aim of research was to explain the[...]
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Eksploatacja i Niezawodność
2001 nr 4 31-37
PL Artykuł przedstawia wyniki badań laboratoryjnych zmierzających do określenia wpływu wybranych parametrów konstrukcyjnych układów wieloostrzowych na efektywność procesu skrawania materiałów kruchych pochodzenia naturalnego, takich jak wapień czy piaskowiec.
EN The paper presents some results of laboratory tests, which aim was to determine influence of multi-tool sets constructional parameters on final efficiency of rock materials cutting process.
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