Skocz do pozycji: 1.

Tytuł:

On type-2 m-topological spaces

Autorzy:

Nazmul, Sk.

Powiązania:

https://bibliotekanauki.pl/articles/744630.pdf

Data publikacji:

2017-12-01

Wydawca:

Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie

Tematy:

Multi sets
multi topologies
multi subspace
m2-topologies
mgp-maps

Opis:

In the present paper, we define a notion of an m2-topological space by introducing a count of openness of a multiset (mset in short) and study the properties of m2-subspaces, mgp-maps etc. Decomposition theorems involving m-topologies and m2-topologies are established. The behaviour of the functional image and functional preimage of an m2-topologies, the continuity of the identity mapping and a constant mapping in m2-topologies are also examined.

Źródło:

Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica; 2017, 16
2300-133X

Pojawia się w:

Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 2.

Tytuł:

Chaotic motion of a multi-articulated tower immersed in waving fluid: numerical experiment

Autorzy:

Uściłowska, A.
Kołodziej, J. A.

Powiązania:

https://bibliotekanauki.pl/articles/1986964.pdf

Data publikacji:

2002

Wydawca:

Politechnika Gdańska

Tematy:

multi-articulated tower
inverted pendulum
multi-potential system
equilibrium positions
multi-periodic motion
chaotic motion

Opis:

The offshore structures, such as multi-articulated towers, manipulators working in waving fluid are more and more popular structures. Commonly they are modelled as an inverted pendulum. The motion of such tower immersed in waving fluid is under consideration. It is assumed that the tower is hinged to the seabed by the hinge with friction. The joint of tower elements is the hinge with friction, as well. Motion of tower loaded by regular wave fluid force is considered. The numerical experiment shows that the multi-potential systems may move chaotically for some parameters of the tower and the fluid.

Źródło:

TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2002, 6, 3; 371-377
1428-6394

Pojawia się w:

TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 3.

Tytuł:

Building multi-agent models applied to supply chain management

Autorzy:

Nawarecki, E.
Koźlak, J.

Powiązania:

https://bibliotekanauki.pl/articles/971016.pdf

Data publikacji:

2010

Wydawca:

Polska Akademia Nauk. Instytut Badań Systemowych PAN

Tematy:

multi-agent systems
multi-agent methodologies
supply chain management

Opis:

In this paper, a model of a multi-agent system for modelling and optimising supply chains is presented. The most popular methodologies of developing multi-agent systems and selected applications of the agent approach to modelling and optimisation of supply chains are described in brief. A pilot realisation of such a system is also presented, together with a selection of the subsequent experimental results obtained.

Źródło:

Control and Cybernetics; 2010, 39, 1; 149-176
0324-8569

Pojawia się w:

Control and Cybernetics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 4.

Tytuł:

Are the Europarties Real Political Parties? National Parties’ Involvement in Multi-level Structures of European Political Parties

Autorzy:

Kosowska-Gąstoł, Beata

Powiązania:

https://bibliotekanauki.pl/articles/519435.pdf

Data publikacji:

2017

Wydawca:

Uniwersytet Mikołaja Kopernika w Toruniu. Wydawnictwo UMK

Tematy:

Europarties
multi-level approach
multi-level organization
vertical integration

Opis:

Europarties are regarded as multi-level organizations, like parties operating in federal or devolved states. Examined is whether they can even be treated as political parties sensu stricto and whether the concepts used to test the relations between the national and regional party structures (vertical integration, influence) could be used to study relationships between the national and European structures. It was indicated that Europarties can be considered both as the additional arenas of national parties’ activity and independent political actors consisted of national parties (multi-level parties). The second perspective was used to research 13 existing Europarties. In result, the similarities between the PES and PEL, but differences between the EPP and PES in term of vertical integration and influence were shown. Hence, in the article was proven that there is no one model of relations between the national and European party structures and the parties differ from each other as far as their internal structures are concerned.

Źródło:

Historia i Polityka; 2017, 20(27); 9-29
1899-5160
2391-7652

Pojawia się w:

Historia i Polityka

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 5.

Tytuł:

New solutions to a multi-objective benchmark problem of induction heating: an application of computational biogeography and evolutionary algorithms

Autorzy:

Di Barba, P.
Dughiero, F.
Forzan, M.
Mognaschi, M. E.
Sieni, E.

Powiązania:

https://bibliotekanauki.pl/articles/140925.pdf

Data publikacji:

2018

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

induction heating
multi-physics analysis
multi-objective optimization
benchmark

Opis:

In induction heating the design of the inductor implies the solution of coupled electromagnetic and thermal fields, along with the use of optimal design procedures to identify the best possible device or process. The benchmark model proposed, a graphite disk heated by means of induction, is optimized using different optimization algorithms. The design aim requires to achieve a prescribed and uniform temperature distribution in the workpiece maximizing the system efficiency.

Źródło:

Archives of Electrical Engineering; 2018, 67, 1; 139-149
1427-4221
2300-2506

Pojawia się w:

Archives of Electrical Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 6.

Tytuł:

On parameters determination of multi-port equivalent scheme for multi-winding traction transformers

Autorzy:

Sobczyk, T. J.
El Hayek, J.

Powiązania:

https://bibliotekanauki.pl/articles/950657.pdf

Data publikacji:

2015

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

multi-winding transformer
equivalent scheme
multi-port circuit
traction transformers

Opis:

This paper aims to present a new equivalent scheme of multi-windings traction transformers, based on multiport purely inductive circuit. The mathematical background of this equivalent scheme is described. The determination of the different scheme elements is made through a finite-elements calculation of both main and leakage inductances, for the case of a four-winding transformer. A procedure is defined, which allows to estimate the values of these elements from some measurements on the transformer at no-load and short-circuit operations. A specific strategy of short-circuit tests is described, allowing to determine all parameters in a rather simple way.

Źródło:

Archives of Electrical Engineering; 2015, 64, 1; 17-27
1427-4221
2300-2506

Pojawia się w:

Archives of Electrical Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 7.

Tytuł:

Fabrication and characterization of multicomponent HA/MoS2/PEEK coatings on the Ti-13Nb-13Zr alloy

Autorzy:

Kuśmierczyk, Filip
Cieniek, Łukasz
Moskalewicz, Tomasz

Powiązania:

https://bibliotekanauki.pl/articles/1844956.pdf

Data publikacji:

2020

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów

Tematy:

multi-component
titanium alloys
implants
multi-kompozyt
stopy tytanu
implanty

Źródło:

Engineering of Biomaterials; 2020, 23, 158 spec. iss.; 22
1429-7248

Pojawia się w:

Engineering of Biomaterials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 8.

Tytuł:

„Es gibt keine Exilliteratur mehr. Es gibt lediglich literarisch interessante Situationen” – über das Schaffen der polnischen Schriftsteller in Deutschland nach 1989
“There is no emigration literature, there are only interesting literary situations” – on the works of Polish writers in Germany after 1989

Autorzy:

Błaszczyk, Karolina

Powiązania:

https://bibliotekanauki.pl/articles/967314.pdf

Data publikacji:

2014

Wydawca:

Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego

Tematy:

multi-, inter-, transcultural literature

Opis:

The article is an introduction to the issue of Polish literature written in Germany after 1989. The first part of the work focuses around the current literary discussions on defining and developing the terminology and methods enabling research into this new literature – written abroad after the fall of the Iron Curtain. Post-emigration literature, migration literature, minority literature, multi-, inter-, trans-cultural and diasporic literature – these are only a few of the suggested terms. The second part of the article refers to the works of selected representatives of Polish literature written after 1989 and the issues they discuss in their works. The purpose of the article is to briefly present the complexity of an important problem in the views of Polish, German and Slavic philologists. At the same time, it aims to show that study of the phenomenon in question is still insufficient.

Źródło:

Acta Universitatis Lodziensis. Folia Germanica; 2014, 10; 173-185
2449-6820

Pojawia się w:

Acta Universitatis Lodziensis. Folia Germanica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 9.

Tytuł:

A Software Platform for Research on Auction Mechanisms

Autorzy:

Kamola, M.
Niewiadomska-Szynkiewicz, E.
Malinowski, K.
Stańczuk, W.
Pałka, P.

Powiązania:

https://bibliotekanauki.pl/articles/307872.pdf

Data publikacji:

2011

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

auctions
multi-commodity markets

Opis:

The platform for research on auction mechanisms is a distributed simulation framework providing means to carry out research on resource allocation efficiency mechanisms and user strategies. Both kinds of algorithms examined are completely user-defined. Interaction of algorithms is recorded and pre-defined measures for the final resource allocation are calculated. Underlying database design provides for efficient results lookup and comparison across different experiments, thus enabling research groupwork. A recognised, open and flexible information model is employed for experiment descriptions.

Źródło:

Journal of Telecommunications and Information Technology; 2011, 3; 38-46
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 10.

Tytuł:

Ontological, epistemological and methodological taxonomy of creativity phenomenon research – call for path forward

Autorzy:

Piórkowska, Katarzyna

Powiązania:

https://bibliotekanauki.pl/articles/522128.pdf

Data publikacji:

2016

Wydawca:

Uniwersytet Ekonomiczny w Katowicach

Tematy:

Creativity
Multi-level research

Opis:

The aim of the paper is to contribute to call for, on one hand, systematizing the research on creativity in terms of linking ontological, epistemological, and methodological issues specifically, for a heuristic framework combining individual, team, and organizational level, creativity facets at every level as well as, on the other hand, for more focus on both unifying methodology and qualitative research methods in that field The aim has been realized through extensive literature studies and in the part concerning creativity methodology review – systematic literature review. Consequently, as the overarching findings, particular postulates concerning the creativity construct research have been formulated.

Źródło:

Journal of Economics and Management; 2016, 25; 97-108
1732-1948

Pojawia się w:

Journal of Economics and Management

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 11.

Tytuł:

Podejście interdyscyplinarne w kształtowaniu inteligentnych usług stomatologicznych
Interdisciplinary approach in creating smart dentistry services

Autorzy:

Bartnicka, J.
Walawender, I.
Borczyk, E.
Surmacz, M.

Powiązania:

https://bibliotekanauki.pl/articles/112654.pdf

Data publikacji:

2016

Wydawca:

STE GROUP

Tematy:

kształtowanie innowacji
multi-usługi
stomatologia
dentofobia
development of innovation
multi-service
dentistry
dentophobia

Opis:

W artykule przedstawiono wyniki studiów w zakresie identyfikacji oraz analizy obszarów problemowych dotyczących procesów organizacyjnych i aspektów technicznych towarzyszących kształtowaniu inteligentnych usług stomatologicznych. W szczególności przedstawiono studium przypadku w zakresie nowego podejścia do rozwiązania, występującego powszechnie w Polsce i na świecie, problemu dentofobii wśród dzieci. Opisana metodyka kształtowania usług stomatologicznych opiera się na dwóch zasadniczych etapach: analizie zintegrowanych działań medycznych i pozamedycznych składających się na całościową usługę dentystyczną przeznaczoną dla dzieci z dentofobią pod względem innowacyjność, oraz etapie rekonstrukcji procesu kształtowania usługi stomatologicznej w zakresie bezstresowego leczenia zachowawczego wczesnych stadiów próchnicy oraz profilaktyki stomatologicznej zębów mlecznych dzieci z dentofobią, jako modelowego podejścia do kreowania działań proinnowacyjnych w zakresie szeroko rozumianych usług stomatologicznych. Zanotowana w ramach dwuletnich obserwacji wysoka skuteczność leczenia w postępowaniu eksperymentalnym uzasadnia potrzebę dostarczenia przedmiotowej usługi, jako usługi standardowej, istotnej w systemie usług publicznych, o wysokim standardzie, która w sposób inteligentny uwydatnia specyficzne potrzeby dziecka i przemyca rzeczywistą usługę stomatologiczną.
The results of studies on identification and analysis of problem areas relating to the processes of organizational and technical aspects accompanying creation of smart dentistry services is presented in this paper. In particular, there is described a case study regarding a new approach to solve commonly existing problem in Poland and in the world of dentophobia among children. The described methods of shaping dental services is based on two main stages: analysis of integrated medical and non-medical activities that compose the comprehensive dental service designed for children with dental fear in terms of innovation, and stage reconstruction of the process of formation of dental services in the field of stress-conservative treatment at early stages of tooth decay and dental prophylaxis of milk teeth of children with dental fear into a model approach to the creation of innovative activities in the field of widely understood dental services. The two-year observation confirms the follow-high efficacy of the experimental procedure what justifies the need to provide this service as a standard and essential service in the public services system with a high standard, which in an intelligent way, i.e. enhancing the specific needs of child, smuggles the actual dental service.

Źródło:

Systemy Wspomagania w Inżynierii Produkcji; 2016, 2 (14); 29-41
2391-9361

Pojawia się w:

Systemy Wspomagania w Inżynierii Produkcji

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 12.

Tytuł:

Rola samorządu gminnego w multi-level governance w Republice Federalnej Niemiec
The role of local government in multi-level governance in Federal Republic of Germany

Autorzy:

Balcerek-Kosiarz, Marta

Powiązania:

https://bibliotekanauki.pl/articles/1590830.pdf

Data publikacji:

2018

Wydawca:

Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego

Tematy:

Governance
Multi-level Governance
local government
Germany
multi-level governance
samorząd gminny
Niemcy

Opis:

Celem artykułu jest zaprezentowanie, w jaki sposób koncepcja multi-level governance została dostosowana do specyfiki niemieckiego samorządu gminnego oraz na czym polega jej istota. Autorka doszła do dwóch ustaleń. Po pierwsze, powstanie multi-level governance w Niemczech oparte jest na działaniach odgórnych i następuje od kraju związkowego do gmin (top-down). Tworzenie układu sieciowego wynika wówczas z przekonania władz państwowych o efektywniejszej realizacji zadań publicznych opartej na współpracy z podmiotami prywatnymi, których działania moderowane są przez podmioty władcze. Po drugie, wprowadzenie multi-level governance na poziomie lokalnym poprzedzone jest regional governance na szczeblu krajów związkowych stanowiącą dostosowanie koncepcji governance do specyfiki państwa federalnego. Najważniejszym jednak wnioskiem płynącym z artykułu jest ten, że multi-level governance zostało wprowadzono w strukturę samorządu gminnego za pośrednictwem specjalnego typu zadań publicznych (Gemeinschaftsaufgaben).
The aim of this article is to present how the concept of multi-level governance was adopted to the German local government. The author made two arrangements. Firstly, the emergence of multi-level governance in Germany is based on top-down activities, which occur between federal states and communities. Creating network systems results from the conviction of the state authorities about fulfillment of public tasks, which is more effective with private organizations, which are moderated by public entities. Secondly, before implementing multi-level governance on local level, the regional governance was posed on the level of federal states, which is the adjustment of governance’s concept to the specify of federal states. Notwithstanding, the most important result from this article is the fact, that multi-level governance was implemented to the structure of local government in the characteristic type of public task (Gemeinschaftsaufgaben).

Źródło:

Studia Administracyjne; 2018, 10; 51-65
2080-5209
2353-284X

Pojawia się w:

Studia Administracyjne

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 13.

Tytuł:

The Position of Poland on the Background of Sustainable Development Trends in the Baltic Sea Region

Autorzy:

Korol, Janusz

Powiązania:

https://bibliotekanauki.pl/articles/2028532.pdf

Data publikacji:

2007-12-31

Wydawca:

Wydawnictwo Adam Marszałek

Tematy:

multi-country region
Polska
economy

Opis:

The Baltic Sea Region was the first multi-country region in the world to adopt common goals and actions for sustainable development. The instrument for that cooperation is Baltic 21 (formally “An Agenda 21 for the Baltic Sea Region”). There are two definitions of sustainable development (SD): technical and nontechnical. Technical definition: “a sound balance among the interactions of the impacts (positive and/or negative), or stresses, on the four major quality systems: People, Economic Development, Environment and Availability of Resources”. The non-technical definition was given as being: “a sound balance among the interactions designed to create a healthy economic growth, preserve environmental quality, make wise use of our resources, and enhance social benefits” [Global Community Assessment Centre].

Źródło:

Polish Political Science Yearbook; 2007, 36; 60-68
0208-7375

Pojawia się w:

Polish Political Science Yearbook

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 14.

Tytuł:

Measurement system based on multi-wavelength interferometry for long gauge block calibration

Autorzy:

Wengierow, M.
Salbut, L.
Ramotowski, Z.
Szumski, R.
Szykiedans, K.

Powiązania:

https://bibliotekanauki.pl/articles/220647.pdf

Data publikacji:

2013

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

gauge block
multi-wavelength
interferometry

Opis:

This paper shows the result of work of the Institute of Micromechanics and Photonics at Warsaw University of Technology and the Length and Angle Division of Central Office of Measures (GUM) [1] in building an automatic multiwavelength interferometric system with extended measurement range for calibration of long (up to 1 m) gauge blocks. The design of a full working setup with environmental condition control and monitoring systems, as well as image analysis software, is presented. For length deviation determination the phase fraction approach is proposed and described. To confirm that the system is capable of calibrating gauge blocks with assumed accuracy, a comparison between the results of 300 mm length gauge block measurement obtained by using other systems from the Central Office of Measures is made. Statistical analysis proved that the system can be used for high precision measurements with assumed standard uncertainty (125 nm for a length of 1 m). Finally the comparison between our results obtained for a long gauge block set (600 mm to 1000 mm long) and previous calibrations made by the Physikalisch-Technische Bundesanstalt (PTB) [2] is shown.

Źródło:

Metrology and Measurement Systems; 2013, 20, 3; 479-490
0860-8229

Pojawia się w:

Metrology and Measurement Systems

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 15.

Tytuł:

Simulation Model of Biometric Authentication Using Multiagent Approach

Autorzy:

Kapczyński, A.
Owczarek, T.

Powiązania:

https://bibliotekanauki.pl/articles/308541.pdf

Data publikacji:

2010

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

biometrics
multi-agent
multimodal
simulation

Opis:

In this article authors present the concept of application of multiagent approach in modeling biometric authentication systems. After short introduction, we present a short primer to multiagent technology. Next, we depict current state of the art related to biometrics combined with multiagent approach. In the next part of the work we present four exemplary simulation models of biometric authentication environments as well as the results of their examination.

Źródło:

Journal of Telecommunications and Information Technology; 2010, 4; 68-74
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 16.

Tytuł:

Searching for quantum circuits preparing maximally multipartite
Szukanie układów kwantowych generujących maksymalnie wielocząstkowo splątane stany

Autorzy:

Sadowski, P.

Powiązania:

https://bibliotekanauki.pl/articles/375838.pdf

Data publikacji:

2013

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

quantum systems
multi-qubit systems

Opis:

In this work genetic programming is applied to the problem of generating maximum entanglement in multi-qubit systems of different structures. We provide quantum circuits that prepares multipartite entangled states in systems consisting of up to 8 qubits. We present results pertaining to the minimum size of a quantum circuit preparing a maximally entangled multi-qubit state in cases of reduced sets of quantum gates that correspond to spin chain quantum systems.
Praca skupia się na możliwości generowania stanów wielocząstkowo maksymalnie splątanych w układach kwantowych. Przedstawione zostały wyniki zastosowania algorytmów genetycznych do szukania układów kwantowych generujących takie stany. Praca zawiera dyskusję dotyczącą metod tworzenia funkcji przybliżających miarę splątania wielocząstkowego, w szczególności sposobów opartych na miarach dla systemów dwudzielnych. Przyjmujemy, że stan jest maksymalnie wielocząstkowo splątany jeśli jest maksymalnie splątany względem każdego możliwego podziału systemu. Poza problematyką doboru odpowiedniej miary splątania zostały poruszone zagadnienia związane z zastosowaniem algorytmów genetycznych do optymalizacji układów kwantowych. Rezultaty, które zostały zaprezentowane, dotyczą dwóch rodzajów systemów. Oprócz systemów pozwalających na oddziaływanie pomiędzy dowolnymi cząsteczkami dodatkowo rozpatrywany jest przypadek łańcucha spinowego, w którym oddziałują jedynie sąsiednie cząsteczki. Zamieszczone w pracy układy kwantowe przedstawiają przykładowe obwody dla systemów składających się z maksymalnie 8 qubitów.

Źródło:

Theoretical and Applied Informatics; 2013, 25, 3-4; 139-155
1896-5334

Pojawia się w:

Theoretical and Applied Informatics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 17.

Tytuł:

Multi-Criteria Assessment of Ergonomic Conditions of Work. Case Study

Autorzy:

Korban, Zygmunt

Powiązania:

https://bibliotekanauki.pl/articles/2064667.pdf

Data publikacji:

2021

Wydawca:

STE GROUP

Tematy:

discrete multi-criteria decision
OHS

Opis:

The supervision of OHS conditions (working conditions and the realization of work tasks) is one of the basic obligations of the employer. The number and variety of describing elements (and thus being subject to assessment) means that synthetic measures (measures that are one-dimensional images of complex phenomena) are more and more frequently applied to solve problems of that type. Although the methods of multivariate statistics used for this purpose differ in the way they treat assessment criteria (defining mutual dependency thresholds, unifying the field of compared criteria), the final effect of their application always offers the option to replace the entire set of features describing a given object with one variable (aggregate). The article presents a potential applicability of one of the so-called discrete multi-criteria decision-making methods (Simple Additive Weighting), which allows to determine a linear combination of normalized elements of the decision matrix and the elements of weight vector. As part of the article, the working conditions at 5 workstations were assessed (a miner’s workstation in 5 underground mine workings being excavated), taking into account 8 assessment criteria (6 were cost criteria and 2 – criteria of qualitative character). In effect of the application of the Simple Additive Weighting method, we could determine the ranking vector R, which allowed to order the examined objects and to carry out a comprehensive assessment of OSH conditions occurring in them.

Źródło:

Multidisciplinary Aspects of Production Engineering; 2021, 4, 1; 14--22
2545-2827

Pojawia się w:

Multidisciplinary Aspects of Production Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 18.

Tytuł:

Evaluation of the Diversity of Training Quality Conducted as Part of General Training and on-the-Job Training – Case Study

Autorzy:

Korban, Z.
Kołodziejczyk, P.
Rabasová, M.

Powiązania:

https://bibliotekanauki.pl/articles/2065009.pdf

Data publikacji:

2018

Wydawca:

STE GROUP

Tematy:

safety
training
multi-criteria analysis

Opis:

The level of occupational health and safety is one of the determinants of the company's efficiency. The article assessed the quality of general initial training (general training) and initial training at the workplace (on-the-job training) carried out in selected business entities related to the hard coal mining industry. Problem included in the above trainings were interpreted as a criterion function within a multi-criteria analysis based on the Analytic Hierarchy Process (AHP) method. Application of the AHP method allowed to perform a diagnostic (comparative) assessment of objects (business entities), both objects and accepted assessment criteria were compared in pairs with each other (the evaluator's preferences (subjectivity of assessments) are treated in the Analytic Hierarchy Process as a natural phenomenon).

Źródło:

Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 683--688
2545-2827

Pojawia się w:

Multidisciplinary Aspects of Production Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 19.

Tytuł:

Agent-based data integration framework

Autorzy:

Faber, Ł.

Powiązania:

https://bibliotekanauki.pl/articles/305369.pdf

Data publikacji:

2014

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

data integration
multi-agent systems

Opis:

Combining data from diverse, heterogeneous sources while facilitating a unified access to it is an important (albeit difficult) task. There are various possibilities of performing it. In this publication, we propose and describe an agent-based framework dedicated to acquiring and processing distributed, heterogeneous data collected from diverse sources (e.g., the Internet, external software, relational, and document databases). Using this multi-agent-based approach in the aspects of the general architecture (the organization and management of the framework), we create a proof-of-concept implementation. The approach is presented using a sample scenario in which the system is used to search for personal and professional profiles of scientists.

Źródło:

Computer Science; 2014, 15 (4); 389-410
1508-2806
2300-7036

Pojawia się w:

Computer Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 20.

Tytuł:

Hybrid motion control for multiple mobile robot systems

Autorzy:

Roszkowska, E.

Powiązania:

https://bibliotekanauki.pl/articles/229433.pdf

Data publikacji:

2018

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

multi-robot system
hybrid control

Opis:

This article presents a hybrid control system for a group of mobile robots. The components of this system are the supervisory controller(s), employing a discrete, event-driven model of concurrent robot processes, and robot motion controllers, employing a continuous time model with event-switched modes. The missions of the robots are specified by a sequence of to-be visited points, and the developed methodology ensures in a formal way their correct accomplishment.

Źródło:

Archives of Control Sciences; 2018, 28, 2; 189-200
1230-2384

Pojawia się w:

Archives of Control Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 21.

Tytuł:

Approximate homomorphisms and derivation in multi-Banach algebras

Autorzy:

Agarwal, Ravi P.
Cho, Yeol Je
Park, Choonkil
Saadati, Reza

Powiązania:

https://bibliotekanauki.pl/articles/1912850.pdf

Data publikacji:

2011

Wydawca:

Polskie Towarzystwo Matematyczne

Tematy:

Additive functional equation
fixed point
homomorphism in multi-Banach algebra
generalized Hyers-Ulam stability
derivation on multi-Banach algebra
multi-normed space

Opis:

Using fixed point methods, we prove the generalized Hyers-Ulam stability of homomorphisms in multi-Banach algebras and derivations on multi-Banach algebras for the additive functional equation \[ \sum_{i=1}^m f\left(mx_i+\sum_{j=1, j\not=i}^m x_j\right) + f\left(\sum_{i=1}^m x_i\right) = 2 f \left(\sum_{i=1}^{m} mx_i\right) \] for each \(m\in \mathbb{N}\) with \(m\geq 2\).

Źródło:

Commentationes Mathematicae; 2011, 51, 1
0373-8299

Pojawia się w:

Commentationes Mathematicae

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 22.

Tytuł:

Categorical Abstract Logic: Hidden Multi-Sorted Logics as Multi-Term π-Institutions

Autorzy:

Voutsadakis, George

Powiązania:

https://bibliotekanauki.pl/articles/749924.pdf

Data publikacji:

2016

Wydawca:

Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego

Tematy:

Behavioral Equivalence
Hidden Logic
Multi-Sorted Logic
Multi-term π-Institutions
Interpretability
Deductive Equivalence

Opis:

Babenyshev and Martins proved that two hidden multi-sorted deductive systems are deductively equivalent if and only if there exists an isomorphism between their corresponding lattices of theories that commutes with substitutions. We show that the π-institutions corresponding to the hidden multi-sorted deductive systems studied by Babenyshev and Martins satisfy the multi-term condition of Gil-F´erez. This provides a proof of the result of Babenyshev and Martins by appealing to the general result of Gil-F´erez pertaining to arbitrary multi-term π-institutions. The approach places hidden multi-sorted deductive systems in a more general framework and bypasses the laborious reuse of well-known proof techniques from traditional abstract algebraic logic by using “off the shelf” tools.

Źródło:

Bulletin of the Section of Logic; 2016, 45, 2
0138-0680
2449-836X

Pojawia się w:

Bulletin of the Section of Logic

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 23.

Tytuł:

Interaction management between social agents and human

Autorzy:

Moussaoui, A.
Pruski, A.
Cherki, B.

Powiązania:

https://bibliotekanauki.pl/articles/384988.pdf

Data publikacji:

2011

Wydawca:

Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów

Tematy:

multi-robot system
multi-agent system
social interaction
virtual reality
virtual reality exposure therapy

Opis:

In this paper we address the problem of managing social interactions between a human user and a set of social agents in structured environments. These agents have to regulate a measurable characteristic of the user. Our study focuses mainly therapeutic, caring for elderly people and assessment applications. The agent concept considered in this study is suitable for multi-robot systems (physical, service, mobile or not), but also to virtual agents (avatars) in a virtual reality (VR) application. The proposed approach has been adapted for an application of social phobia treatment using virtual reality. Thus, we conducted a case study to show the effectiveness of our contribution.

Źródło:

Journal of Automation Mobile Robotics and Intelligent Systems; 2011, 5, 1; 8-15
1897-8649
2080-2145

Pojawia się w:

Journal of Automation Mobile Robotics and Intelligent Systems

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 24.

Tytuł:

RIS-aided Multi-hop Backhauling for 5G/6G UAV-assisted Access Points

Autorzy:

Janji, Salim
Sroka, Paweł

Powiązania:

https://bibliotekanauki.pl/articles/24200733.pdf

Data publikacji:

2023

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

backhaul link
multi-hop
RIS
UAV

Opis:

Drones are considered to be an important part of future 6G telecommunication systems. Thanks to their quick deployment potential, they provide additional connectivity options in the form of a flying hotspot. However, in such use cases, they typically require a wireless backhaul link to facilitate their proper operation, which might be a challenging task in dense urban environments. One of the potential methods that may be relied upon to connect such nodes is the integrated access and backhaul (IAB) approach, where part of the spectrum allocated to users accessing the base station is used for wireless backhauling. Thus, in this work, we consider the problem of establishing a multi-hop wireless backhaul link following the IAB concept, with the aid of drone relay stations (DRSs) and reconfigurable intelligent surfaces (RISs). We formulate the problem of coverage improvement with a fixed number of relays, assuming certain throughput requirements for the backhaul link. The simulations show that the use of RISs offers a coverage improvement in such a scenario or a reduction in the number of nodes involved in ensuring the required backhaul performance.

Źródło:

Journal of Telecommunications and Information Technology; 2023, 2; 63--69
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 25.

Tytuł:

Design Principles of Multi-Chambered Gun

Autorzy:

Kovařik, M.

Powiązania:

https://bibliotekanauki.pl/articles/403324.pdf

Data publikacji:

2016

Wydawca:

Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego

Tematy:

mechanics
internal ballistics
multi-chambered gun

Opis:

The multi-chambered gun concept is based on the effect of increasing muzzle velocity of weapon system without need of new technologies or excessive dimensions. The mathematical model of interior ballistics of the multi-chambered gun was assembled by means of extension and modification of the thermodynamic model of interior ballistics of conventional gun. The reliability of numerical solution of a model has been examined in the comparison with results of ballistic shootings with several arrangements of the experimental weapon system. Subsequently the numerical sensitivity analysis of the interior ballistics model has been carried out as well as the simplified system of analytical approximate expressions comprising the crucial gun design characteristics has been built up. Outputs of both the sensitivity analysis and simplified system could be used in the case of multi-chambered gun designing in order to reach maximum velocity with no simultaneous rise in maximal ballistic pressure.

Źródło:

Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa; 2016, 7, 3 (25); 7-20
2081-5891

Pojawia się w:

Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 26.

Tytuł:

Crisis phenomena in “city-district”

Autorzy:

Sikora, A.

Powiązania:

https://bibliotekanauki.pl/articles/105413.pdf

Data publikacji:

2018

Wydawca:

Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza

Tematy:

city-district
multi-family development
Poniatowa

Opis:

Crisis phenomena occur in the majority of settlement units regardless of location, size, social structure and other significant factors influencing the quality of life and correctness of urban processes. This paper is an attempt to present relations of social problems and urban layout and genesis of the spatial structure of the selected small town. Unit selected for analyses - Poniatowa town, characterizes with specific layout and time of founding - this is a town founded “in cruda radice” during the construction of structures of the Central Industrial Region (Polish: Centralny Okręg Przemysłowy, abbreviated COP) built on the basis of residential development for nearby industrial plants associated with military production.

Źródło:

Czasopismo Inżynierii Lądowej, Środowiska i Architektury; 2018, 65, 4; 93-101
2300-5130
2300-8903

Pojawia się w:

Czasopismo Inżynierii Lądowej, Środowiska i Architektury

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 27.

Tytuł:

Mitigation of Scintillation Effects in WDM FSO System using Multibeam Technique

Autorzy:

Grover, M.
Singh, P.
Kaur, P.

Powiązania:

https://bibliotekanauki.pl/articles/958107.pdf

Data publikacji:

2017

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

laser
link length
multi-beam
scintillation

Opis:

Free Space Optical communication (FSO) has engrossed a large section of researchers in recent times due to its wide bandwidth, effortless deployment and immune links making it appropriate for communication purposes. This wireless optical technique requires clear and non-turbulent atmospheric conditions for efficient transmission. In this paper, authors aim at reducing the effect of turbulent atmospheric conditions like scintillation effect on FSO. Multibeam technique, which uses spatially diverse transmitters for transmission, has been used for increasing the achievable link distance of the FSO system. Parameters like quality factor and bit error rate have been used to check the received signal quality.

Źródło:

Journal of Telecommunications and Information Technology; 2017, 2; 69-74
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 28.

Tytuł:

Strength analysis of a multi-clip joint
Analiza złącza wielozaciskowego

Autorzy:

Juraszek, J.

Powiązania:

https://bibliotekanauki.pl/articles/279304.pdf

Data publikacji:

2005

Wydawca:

Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej

Tematy:

multi-clip joint
shapes
jaw
FEM

Opis:

The paper is concerned with strength analysis of multi-clip joints. Such structures enable visible growth of the carrying capacity and make them elements easily assembled by the clamping jaws and a single-clamp press. Each joint exerts an appreciable influence upon the safety level of the whole structure. A numerical analysis was performed to assess the effect of clearance between a sleeve and rope upon the joint quality. Phenomena emerging in the area between the clips were analysed as well. Some strength tests related to the process of drawing the wire rope out of the sleeve were also investigated. Changes in the stiffness of the clamping sleeve were analysed in view of the influence of the aforementioned factors upon the carrying capacity of joints and the sleeve material effort. Experimental investigations were conducted as well aiming at the determination of the smallest possible number of clips or the effective length of joints necessary for carrying the loads higher than the admissible load of the wire rope.
W pracy przeprowadzono analizę złącz wielozaciskowych. Umożliwiają one osiągnięcie większej nośności złącza poprzez zastosowanie szczęk zaciskających i prasy do zacisków jednokrotnych. Złącza mają istotny wpływ na poziom bezpieczeństwa całej konstrukcji, w której są zainstalowane. Przeprowadzono analizę numeryczną oceniającą wpływ wielkości luzu między tuleją a liną, analizę zjawisk zachodzących między poszczególnymi zaciskami, analizę procesu wyciągania liny oraz zmiany sztywności tulei zaciskanej. Wykonane następnie badania doświadczalne umożliwiły wyznaczenie najmniejszej liczby zacisków lub długości efektywnej złącza niezbędnej do przeniesienia obciążenia większego od nominalnego obciążenia lin.

Źródło:

Journal of Theoretical and Applied Mechanics; 2005, 43, 4; 893-907
1429-2955

Pojawia się w:

Journal of Theoretical and Applied Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 29.

Tytuł:

Decomposition-based evolutionary computing in multicriteria optimization environment
Rachunek ewolucyjny w obszarze wielokryterialnej optymalizacji oparty na zagadnieniu dekompozycji

Autorzy:

Ryoo, J.
Hajela, P.

Powiązania:

https://bibliotekanauki.pl/articles/281943.pdf

Data publikacji:

2004

Wydawca:

Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej

Tematy:

multi-criterion optimization
decomposition-based design

Opis:

The paper presents strategies for implementing decomposition based genetic algorithms in multicriteria design optimization. The decomposition approach requires that the system design problem be partitioned into smaller sized subsystems, and the system solution obtained as a combination of the solutions from the subsystems. The absence of gradient information in a genetic algorithm based search strategy requires alternative methods for communicating the design information in different subsystems. Two newly developed methods referred to as experiental inheritance and interspecies migration were used to coordinate the solutions of subsystems in the decomposition based approach. Both the weighted sum and weighted minimax methods were explored in the solution to the multicriteria design problem. The proposed strategies were validated through implementation in representative algebraic and structural design problems.
W pracy zaprezentowano metodę zastosowania genetycznych algorytmów opartych na zagadnieniu wielokryterialnej optymalizacji obiektu. Zagadnienie dekompozycji wymaga rozbicia danego zadania na mniejsze podproblemy i znalezienia cząstkowych rozwiązań, by w efekcie otrzymać rozwiązanie ogólne na podstawie wcześniej wyznaczonych cząstkowych. Brak gradientowego charakteru informacji w metodzie poszukiwania rozwiązania opartej na algorytmie genetycznym skłania do zastosowania alternatywnej metody przekazu informacji pomiędzy obszarami rozbitych grup problemowych. W zagadnieniu dekompozycji użyto dwie nowosformułowane metody określone mianem dziedziczenia eksperymentalnego i migracji międzygatunkowej. W poszukiwaniu rozwiązania zadania wielokryterialnej optymalizacji obiektu wykorzystano metody sumy ważonej i wartości min-max. Zaproponowane strategie postępowania zweryfikowano na reprezentatywnych modelach algebraicznych i projektowych.

Źródło:

Journal of Theoretical and Applied Mechanics; 2004, 42, 3; 609-628
1429-2955

Pojawia się w:

Journal of Theoretical and Applied Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 30.

Tytuł:

Architecture of an Autonomous Robot at the IT Level

Autorzy:

Ambroszkiewicz, S.
Bartyna, W.
Skarżyński, K.
Stępniak, M.
Szymczakowski, M.

Powiązania:

https://bibliotekanauki.pl/articles/950994.pdf

Data publikacji:

2015

Wydawca:

Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów

Tematy:

ontology
multi-robot system
environment representation

Opis:

The paper proposes an architecture for a control system of an autonomous robot as well as an architecture for a multi-robot system in which the robots cooperate in order to accomplish client’s tasks. The solution is based on the SOA paradigm and an ontology as a way of represen ting an environment, and is specified at the Informa- tion Technology level. This approach is focused on intui tive cooperation with a human and automation of a task execution, as well as automation of handling exceptions and changes in the environment. For the purpose of the test scenarios, a sample ontology was created, which allows the human user to define tasks to be performed by a robot. Additionally, a simulation environment was designed and implemented in Unity. It allows for automatic generation of the visual representation of information defined in the ontology, and for testing the effectiveness of the proposed architecture in different types of scenarios with variable sets of services (devices).

Źródło:

Journal of Automation Mobile Robotics and Intelligent Systems; 2015, 9, 1; 34-40
1897-8649
2080-2145

Pojawia się w:

Journal of Automation Mobile Robotics and Intelligent Systems

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 31.

Tytuł:

Niching in evolutionary multi-agent systems

Autorzy:

Krzywicki, D.

Powiązania:

https://bibliotekanauki.pl/articles/305774.pdf

Data publikacji:

2013

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

niching
evolutionary algorithms
multi-agent systems

Opis:

Niching is a group of techniques used in evolutionary algorithms, useful in several types of problems, including multimodal or nonstationary optimization. This paper investigates the applicability of these methods to evolutionary multi-agent systems (EMAS), a hybrid model combining the advantages of evolutionary algorithms and multi-agent systems. This could increase the efficiency of this type of algorithms and allow to apply them to a wider class of problems. As a starting point, a simple but flexible EMAS framework is proposed. Then, it is shown how to extend this framework in order to introduce niching, by adapting two classical niching methods. Finally, preliminary experimental results show the efficiency and the simultaneous discovery of multiple optima by this modified EMAS.

Źródło:

Computer Science; 2013, 14 (1); 77-95
1508-2806
2300-7036

Pojawia się w:

Computer Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 32.

Tytuł:

Implications of Multi-sensory Approach for Child L2 Vocabulary Acquisitio

Autorzy:

Zawodniak, Joanna

Powiązania:

https://bibliotekanauki.pl/articles/916675.pdf

Data publikacji:

2018-11-01

Wydawca:

Uniwersytet im. Adama Mickiewicza w Poznaniu

Tematy:

Implications
Multi-sensory Approach
L2

Opis:

Teaching a foreign language to young learners requires of the teacher a special ability to involve them in a variety of activities explicitly accommodating their need for whole-person enjoyment and implicitly fostering their L2 knowledge. This complex pedagogic task is likely to be achieved with reliance on the multi-sensory approach which is recommended by the European Co-operation Programs as an alternative L2 teaching trend encompassing universal, proactive qualities and educational diversity. Consequently, the following paper highlights the multisensoiy approach as the driving force of the lexically oriented syllabus designed by the author for young children learning English as a foreign language. The said syllabus design is presented through the empirical filter of knowledge claims and value judgements about its efficiency.

Źródło:

Glottodidactica. An International Journal of Applied Linguistics; 2001, 29, 1; 149-159
0072-4769

Pojawia się w:

Glottodidactica. An International Journal of Applied Linguistics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 33.

Tytuł:

Fine tuning of agent-based evolutionary computing

Autorzy:

Mizera, Michal
Nowotarski, Pawel
Byrski, Aleksander
Kisiel-Dorohinicki, Marek

Powiązania:

https://bibliotekanauki.pl/articles/91820.pdf

Data publikacji:

2019

Wydawca:

Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych

Tematy:

multi-agent systems
metaheuristics
evolutionary computing

Opis:

Evolutionary Multi-agent System introduced by late Krzysztof Cetnarowicz and developed further at the AGH University of Science and Technology became a reliable optimization system, both proven experimentally and theoretically. This paper follows a work of Byrski further testing and analyzing the efficacy of this metaheuristic based on popular, high-dimensional benchmark functions. The contents of this paper will be useful for anybody willing to apply this computing algorithm to continuous and not only optimization.

Źródło:

Journal of Artificial Intelligence and Soft Computing Research; 2019, 9, 2; 81-97
2083-2567
2449-6499

Pojawia się w:

Journal of Artificial Intelligence and Soft Computing Research

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 34.

Tytuł:

Kryteria oceny edytorów ontologii
Criteria of Ontology Editors Evaluation

Autorzy:

Dudycz, Helena

Powiązania:

https://bibliotekanauki.pl/articles/525894.pdf

Data publikacji:

2015-02-02

Wydawca:

Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania

Tematy:

ontology
ontology editor
multi-criteria evaluation

Opis:

Można zauważyć rosnące zainteresowanie zastosowaniem w systemach informatycznych ontologii, która ma za zadanie zobrazować model określonej dziedziny. W tym celu korzysta się z edytorów pozwalających na jej zapisanie. Pojawia się coraz więcej programów open source, jak również komercyjnych, mających wspomóc proces tworzenia ontologii. W artykule omówiono propozycję jedenastu kryteriów służących ocenie edytorów ontologii. Dla każdego przedstawiono skalę ocen. Zaproponowany wykaz kryteriów może posłużyć do przeprowadzenia badania i oceny edytorów ontologii z użyciem metod punktowych (scoringowych).
An increasing interest in using ontology, which is to illustrate a model of a specific field, in information systems may be noticed. In order to do that, editors that allow for creating an ontology are used. There is an increasing amount of both open source and commercial software to support the process of creating an ontology. In this article we discussed the suggestion of eleven criteria to evaluate ontology editors. For each of them, we presented a marking scale. The proposed list of criteria may be used to conduct research and evaluation of ontology editors with the use of scoring methods.

Źródło:

Problemy Zarządzania; 2015, 2/2015 (52), t.1; 78-87
1644-9584

Pojawia się w:

Problemy Zarządzania

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 35.

Tytuł:

Control and environment sensing system for a six-legged robot

Autorzy:

Walas, K.
Belter, D.
Kasiński, A.

Powiązania:

https://bibliotekanauki.pl/articles/384263.pdf

Data publikacji:

2008

Wydawca:

Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów

Tematy:

multi-legged robot
sensors
control system

Opis:

The architecture of the six legged robot is described in this paper. Robot kinematics for single leg and for the multi-legged platform is presented. For the control of the robot equipped with a number of sensors a three-layer control system has been designed. It consists of a host computer (in the first, teleoperation layer), of a single master microprocessor on the robot board (second layer) and of six microprocessors each of them for one leg (third layer). The communication between the first and the second layer is performed in duplex mode through the RS232 link via the Bluetooth channel, and between the second and the third control layer through the SPI bus. The robot sensing system consists of rotary potentiometers in each joint, of the leg as well as of a dual-axis accelerometer and gyroscope for platform orientation control. On board camera for remote vision is available.

Źródło:

Journal of Automation Mobile Robotics and Intelligent Systems; 2008, 2, 3; 26-32
1897-8649
2080-2145

Pojawia się w:

Journal of Automation Mobile Robotics and Intelligent Systems

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 36.

Tytuł:

How to measure the effectiveness of technology parks? The case of Poland

Autorzy:

Cheba, Katarzyna
Hołub-Iwan, Joanna

Powiązania:

https://bibliotekanauki.pl/articles/424994.pdf

Data publikacji:

2014

Wydawca:

Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu

Tematy:

technology parks
effectiveness
multi-dimensional analysis

Opis:

In a knowledge-based economy, the human capital that is capable of innovative thinking and entrepreneurial action is the factor responsible for the creation of prosperity. Technology parks are an example of a high concentration of innovative human capital. In the past five years several new park initiatives have been established in Poland. In some large cities such as Poznan and Wroclaw, there is already a kind of fashion for technology parks. These initiatives are called technology parks, research and business parks. The activities of parks should be development measured, for example, by employment growth in the regions, and the innovativeness of companies. Technology parks are from an organizational and conceptual point of view the most advanced innovation centers in Poland. Entrepreneurs, representatives of the scientific sector, business environment institutions as well as regional authorities expect of them a permanent, intensive development, which translates into the development of the environment in which they operate. The main aim of this paper is a multidimensional comparative analysis of the spatial diversity of the development of technology parks in Poland. For the study of spatial differentiation in the development of technology parks in Poland a taxonomic measure of development zi was used, which was based on the statistical information collected during the study ”Benchmarking of technology parks in Poland – 2012 edition”. The statistical information of the 19 technology parks selected for the study was analyzed. The multi-dimensional comparative analysis in the study of technology parks shows that the phase of growth of parks does not always translate directly into the position they occupy in the taxonomic hierarchy.

Źródło:

Econometrics. Ekonometria. Advances in Applied Data Analytics; 2014, 1(43); 27-38
1507-3866

Pojawia się w:

Econometrics. Ekonometria. Advances in Applied Data Analytics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 37.

Tytuł:

О дидактической компетентности будущего педагога в информационной мультиинструментальной среде
About future teachers’ didactic competence in the information multi-instrumental environment

Autorzy:

Конюшенко, Светлана
Кузьмин, Сергей
Петрущенков, Александр

Powiązania:

https://bibliotekanauki.pl/articles/443173.pdf

Data publikacji:

2011

Wydawca:

ADVSEO

Tematy:

DIDACTIC COMPETENCE
INFORMATION MULTI-INSTRUMENTAL ENVIRONMENT

Opis:

The article introduces the results of the research on working out new ways in the development of educational process at the university. The structure of the didactic competence is presented in two components - personal and information didactic - with their contents in the information multi-instrumental environment. Special emphasis is laid on value-and-motivational, reflexive, cognitive, informational-instrumental, practical-and activity based components of the didactic competence.

Źródło:

General and Professional Education; 2011, 2; 24-27
2084-1469

Pojawia się w:

General and Professional Education

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 38.

Tytuł:

Multi-objective conceptual design optimization of a domestic unmanned airship

Autorzy:

Amani, S.
Pourtakdoust, S. H.
Pazooki, F.

Powiązania:

https://bibliotekanauki.pl/articles/949225.pdf

Data publikacji:

2014

Wydawca:

Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej

Tematy:

airship
multi-objective optimization
Pareto optimality

Opis:

Autonomous airships have gained a high degree of importance over the last decades, both theoretically as well and practically. This is due to their long endurance capability needed for monitoring, observation and communication missions. In this paper, a Multi-Objective Optimization approach (MOO) is followed for conceptual design of an airship taking aerody- namic drag, static stability, performance as well as the production cost that is proportional to the helium mass and the hull surface area, into account. Optimal interaction of the afo- rementioned disciplinary objectives is desirable and focused through the MOO analysis. Standard airship configurations are categorized into three major components that include the main body (hull), stabilizers (elevators and rudders) and gondola. Naturally, component sizing and positioning play an important role in the overall static stability and performance characteristics of the airship. The most important consequence of MOO analysis is that the resulting design not only meets the mission requirement, but will also be volumetrically optimal while having a desirable static and performance characteristics. The results of this paper are partly validated in the design and construction of a domestic unmanned airship indicating a good potential for the proposed approach.

Źródło:

Journal of Theoretical and Applied Mechanics; 2014, 52, 1; 47-60
1429-2955

Pojawia się w:

Journal of Theoretical and Applied Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 39.

Tytuł:

The causes of ethnic conflict in Multi-ethnic societies

Autorzy:

Mohammadzadeh, Hossien

Powiązania:

https://bibliotekanauki.pl/articles/1190150.pdf

Data publikacji:

2016

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Ethnic
Ethnic conflict
Multi-ethnic society

Opis:

Ethnic conflicts were the main forms of political instability in the multi ethnic societies during second half of twenty century and beginning of new century. The goal of this study determinates social context of ethnic conflict in multi ethnic societies. The methodology was comparative study. Data gathering by documents and secondary data. Data and documents show that Ethnic differences' and discrimination were the main cause of ethnic violence. The results indicated that much country in the world encounter with ethnic conflict during decades. But incidence of ethnic violence was different in varying country. In developing country incidence were low and in the developing sever. Developing country management ethnic conflict by participation and justice policy that the equality is the best way for resolve this problem.

Źródło:

World Scientific News; 2016, 42; 156-166
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 40.

Tytuł:

Tax Compliance and Public Goods Provision. An Agent-based Econophysics Approach

Autorzy:

Hokamp, Sascha
Seibold, Götz

Powiązania:

https://bibliotekanauki.pl/articles/2076597.pdf

Data publikacji:

2014

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

tax compliance
econophysics
multi-agent model

Opis:

We calculate the dynamics of tax evasion within a multi-agent econophysics model which is adopted from the theory of magnetism and previously has been shown to capture the main characteristics from agent-based based models which build on the standard Allingham and Sandmo approach. In particular, we implement a feedback of public goods provision on the decision-making of selfish agents which aim to pursue their self interest. Our results imply that such a feedback enhances the moral attitude of selfish agents thus reducing the percentage of tax evasion. Two parameters govern the behavior of selfish agents, (i) the rate of adaption to changes in public goods provision and (ii) the threshold of perception of public goods provision. Furtheron we analyze the tax evasion dynamics for different agent compositions and under the feedback of public goods provision. We conclude that policymakers may enhance tax compliance behavior via the threshold of perception by means of targeted public relations.

Źródło:

Central European Journal of Economic Modelling and Econometrics; 2014, 4; 217-236
2080-0886
2080-119X

Pojawia się w:

Central European Journal of Economic Modelling and Econometrics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 41.

Tytuł:

Network-on-Multi-Chip (NoMC) with Monitoring and Debugging Support

Autorzy:

Łuczak, A.
Stępniewski, M.
Siast, J.
Domański, M.
Stankiewicz, O.
Kurc, M.
Konieczny, J.

Powiązania:

https://bibliotekanauki.pl/articles/307888.pdf

Data publikacji:

2011

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

debugging
FPGA
multi-chip
video coding

Opis:

This paper summarizes recent research on network-on-multi-chip (NoMC) at Poznań University of Technology. The proposed network architecture supports hierarchical addressing and multicast transition mode. Such an approach provides new debugging functionality hardly attainable in classical hardware testing methodology. A multicast transmission also enables real-time packet monitoring. The introduced features of NoC network allow to elaborate a model of hardware video codec that utilizes distributed processing on many FPGAs. Final performance of the designed network was assessed using a model of AVC coder and multi-FPGA platforms. In such a system, the introduced multicast transmission mode yields overall gain of bandwidth up to 30%. Moreover, synthesis results show that the basic network components designed in Verilog language are suitable and easily synthesizable for FPGA devices.

Źródło:

Journal of Telecommunications and Information Technology; 2011, 3; 81-86
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 42.

Tytuł:

Performance of CDMA systems with Walsh and PN coding

Autorzy:

Gajewski, P.
Dołowski, J.

Powiązania:

https://bibliotekanauki.pl/articles/308358.pdf

Data publikacji:

2001

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

PN spreading
CDMA
multi-access interference

Opis:

Wideband CDMA method has been recently investigated for its using in the future communication systems. Such systems capacity depends on many factors, the main is multi-access interference (MAI). MAI is an inherent CDMA property connected to correlation characteristics of codes used to access and to spreading. The influence on CDMA performance of these codes families and parameters is presented in this paper. The standard Gaussian approximation has been used for interference analysis. Bit error rate (BER) on detector output is a measure of interference influence on transmission quality. It can be used for SNR(i) evaluation on receiver input for channel assignment and handover procedures. The results of interference analysis for the pseudo-noise sequences (M-sequences, Gold, de'Bruin and Jennings) as well as for the Walsh orthogonal mapping are presented in this paper.

Źródło:

Journal of Telecommunications and Information Technology; 2001, 2; 41-45
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 43.

Tytuł:

Planning System for Multi-Agent Based Reconfigurable Fixtures

Autorzy:

Szynkiewicz, W.

Powiązania:

https://bibliotekanauki.pl/articles/308493.pdf

Data publikacji:

2010

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

fixture planner
multi-agent systems
optimization

Opis:

This paper describes a concept of the planning system for self adaptable, reconfigurable fixtures composed of mobile locators (robotic agents) that can freely move on a bench and reposition below the supported part, without removing the part from the fixture. The main role of the planner is to generate the admissible plan of relocation of the mobile agents. A constrained nonlinear optimization problem is formulated to find the optimal locations for supporting heads.

Źródło:

Journal of Telecommunications and Information Technology; 2010, 3; 71-76
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 44.

Tytuł:

Communication strategy as solution-oriented marketing instrument for the pharmaceutical trade in the context of increasing competition

Autorzy:

Koczian, Bernhard
Gubiniová, Katarina

Powiązania:

https://bibliotekanauki.pl/articles/2130267.pdf

Data publikacji:

2020

Wydawca:

Instytut Studiów Międzynarodowych i Edukacji Humanum

Tematy:

communication instruments
multi-channel marketing
digitalization

Opis:

Target-oriented communication is a complex process and must be carried out with strategically sen- sible means. Depending on the target group, the communication instruments must meet different expectations and provide different information. Pharmaceutical companies should pay attention to the choice of words, because, depending on the target group, technical language is either desirable or raises numerous questions. Communication in the pharmaceutical industry does not differ much from the communication policy of other consumer goods. But the small details make the difference and are decisive for successful communication.

Źródło:

Humanum. Międzynarodowe Studia Społeczno-Humanistyczne; 2020, 1(36); 53-58
1898-8431

Pojawia się w:

Humanum. Międzynarodowe Studia Społeczno-Humanistyczne

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 45.

Tytuł:

Book Review : The Nordic Dimension of Energy Security

Autorzy:

Aktan, Özgenur

Powiązania:

https://bibliotekanauki.pl/articles/2085640.pdf

Data publikacji:

2021

Wydawca:

Instytut Polityki Energetycznej im. Ignacego Łukasiewicza

Tematy:

energy security
Scandinavia
Multi-dimensional threats

Opis:

The Nordic Dimension of Energy Security aims to problematize the narrow conceptualization, contextualization and fossil fuel-based practices of energy security in the context of climate security. Energy has a key role in political, economic, social, cultural, environmental, ontological and climate security issues. The connection between energy and security contains various concepts, contexts and affects the civilizational development of human societies. The author demonstrates that the Nordic states pursue sustainable energy security policies and energy cooperation strategies with the Baltic states and European Union member states, while actively engaged in peace building activities. In this regard, the Nordic states have been evaluated as reference role models to remedy the narrow and traditional energy security approaches and to internalize renewable energy sources.

Źródło:

Energy Policy Studies; 2021, No. 2 (8); 33-42
2545-0859

Pojawia się w:

Energy Policy Studies

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 46.

Tytuł:

Scheduling arbitrary number of malleable tasks on multiprocessor systems

Autorzy:

Barketau, M. S.
Kovalyov, M. Y.
Węglarz, J.
Machowiak, M.

Powiązania:

https://bibliotekanauki.pl/articles/202097.pdf

Data publikacji:

2014

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

multi-processor scheduling
malleable tasks
makespan

Opis:

The problem of scheduling n tasks in a multiprocessor system with m processors to minimize the makespan is studied. Tasks are malleable, which means that a task can be executed by several processors at a time, its processing speed depends on the number of allocated processors, and a set of processors allocated to the same task can change over time. The processing speed of a task is a strictly increasing function of the number of processors allocated to this task. The earlier studies considered the case n ≤ m. This paper presents results for arbitrary n and m including characterizations of a feasible domain and an optimal solution, polynomial time algorithms for strictly increasing convex and concave processing speed functions, and a combinatorial exponential algorithm for arbitrary strictly increasing functions.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 2; 255-261
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 47.

Tytuł:

Early or late tracheotomy in patients after multiple organ trauma

Autorzy:

Skrzypiec, Łukasz
Rot, Piotr
Fus, Maciej
Witkowska, Agnieszka
Możański, Marcin
Jurkiewicz, Dariusz

Powiązania:

https://bibliotekanauki.pl/articles/23203232.pdf

Data publikacji:

2021-06-30

Wydawca:

Index Copernicus International

Tematy:

mechanical ventilation
multi-organ trauma
tracheotomy

Opis:

Introduction: Prolonged mechanical ventilation in patients after multiple organ trauma is an indication for a tracheotomy procedure being performed i.a. to ensure proper hygiene of patient’s airways. Recommendations regarding the optimum timing for the procedure remain ambiguous. Procedures performed before post-operative day 10 are beneficial for the further course of the treatment and patient’s health. Aim: The main objective of the study was to analyze the relationship between the timing of tracheotomy and the length of mechanical ventilation in patients with multiple organ trauma. Secondary objectives included the assessment of the relationships between the timing of tracheotomy and the lengths of intensive care unit (ICU) stay and total hospitalization as well as the incidence of pneumonia and mortality. Material and methods: A retrospective analysis was carried out in 543 patients in whom tracheotomy had been performed at the Clinical Intensive Care Unit of the Military Institute of Medicine in years 2015–2019. Patients were divided into two groups: (1) those subjected to early tracheotomy (prior to hospitalization day 10); and (2) those subjected to late tracheotomy (at day 10 or later). Results: Duration of mechanical ventilation was shorter in patients subjected to early tracheotomy (by 20.3 days on average). The ICU stay and overall hospitalization lengths were also significantly shorter (by the average of 39.4 and 43.1 days, respectively). The mortality rate in patients subjected to early tracheotomy was lower (2%) than in those subjected to late tracheotomy (9%). Pneumonic complications were more common in patients subjected to tracheotomy at hospitalization day 10 or later. Conclusions: Tracheotomy performed within up to 10 days of hospitalization significantly shortens the lengths of mechanical ventilation, ICU stay, and total hospitalization while simultaneously reducing the risk of pneumonia. No correlation has been observed between the timing of tracheotomy and patient mortality rates.

Źródło:

Polish Journal of Otolaryngology; 2021, 75, 6; 23-27
0030-6657
2300-8423

Pojawia się w:

Polish Journal of Otolaryngology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 48.

Tytuł:

Interference in Multi-beam Antenna System of 5G Network

Autorzy:

Kelner, Jan M.
Ziółkowski, Cezary

Powiązania:

https://bibliotekanauki.pl/articles/226986.pdf

Data publikacji:

2020

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

systems and networks
interference
multi-elliptical propagation model
multi-beam antenna system
simulation studies
massive MIMO

Opis:

Massive multiple-input-multiple-output (MIMO) and beamforming are key technologies, which significantly influence on increasing effectiveness of emerging fifth-generation (5G) wireless communication systems, especially mobile-cellular networks. In this case, the increasing effectiveness is understood mainly as the growth of network capacity resulting from better diversification of radio resources due to their spatial multiplexing in macro- and micro-cells. However, using the narrow beams in lieu of the hitherto used cell-sector brings occurring interference between the neighboring beams in the massive-MIMO antenna system, especially, when they utilize the same frequency channel. An analysis of this effect is the aim of this paper. In this case, it is based on simulation studies, where a multi-elliptical propagation model and standard 3GPP model are used. We present the impact of direction and width of the neighboring beams of 5G new radio gNodeB base station equipped with the multi-beam antenna system on the interference level between these beams. The simulations are carried out for line-of-sight (LOS) and non-LOS conditions of a typical urban environment.

Źródło:

International Journal of Electronics and Telecommunications; 2020, 66, 1; 17-23
2300-1933

Pojawia się w:

International Journal of Electronics and Telecommunications

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 49.

Tytuł:

Application of multi-criteria analysis for the introduction of green port management practices: an evaluation of energy efficient mobility in nautical ports

Autorzy:

Ukić-Boljat, Helena
Vilke, Siniša
Grubišić, Neven
Maglić, Livia

Powiązania:

https://bibliotekanauki.pl/articles/1818877.pdf

Data publikacji:

2021

Wydawca:

Akademia Morska w Szczecinie. Wydawnictwo AMSz

Tematy:

nautical ports
sustainability challenges
green ports
Multi-Criteria Analysis (MCA)
multi-criteria model
energy efficient mobility

Opis:

In Europe, at the end of the 20th century, the growth of marinas followed the rapid development of recreational marine activities. This trend has now slowed and today the creation of new marinas or the extension of existing marinas is less common, mainly due to the enforcement of protective environmental regulations. As the port sector is facing some major sustainability challenges, like tackling the pollution generated from port activities, the “green port”, or “green marina”, concept has now become a requirement. Both types of nautical ports, public ports and private marinas, share the same responsibility to achieve management standards. The term “green port” in practice describes the responsible behavior of all stakeholders in the port’s business, with a focus on the long-term vision towards the sustainable and climate-friendly development of the port’s infrastructure. This paper aims to confirm the adequacy of multi-criteria analysis (MCA) for the evaluation and introduction of energy efficient mobility options in nautical ports. Within the paper, a multi-criteria based model for energy-efficient mobility selection is presented. This model is tested on two Croatian private marinas and obtained results indicating the most suitable action for both. The output of the model showed that by far the best energy-efficient solution was the installation of electric charging stations (ECS) for cars. The presented model can assist decision-makers in port authorities and marina administrations in planning and finding the best scenario for the development of energy efficient systems and services.

Źródło:

Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2021, 65 (137); 72-83
1733-8670
2392-0378

Pojawia się w:

Zeszyty Naukowe Akademii Morskiej w Szczecinie

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 50.

Tytuł:

Optimising rig design for sailing yachts with Evolutionary Multi-objective Algorithm

Autorzy:

Pawłusik, Mikołaj
Szłapczyński, Rafał
Karczewski, Artur

Powiązania:

https://bibliotekanauki.pl/articles/1573832.pdf

Data publikacji:

2020

Wydawca:

Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa

Tematy:

sailing yacht rig optimization
Bermuda sloop
Multi-Objective Evolutionary Algorithms (MOEA)
Multi Criteria Decision Making (MCDM)

Opis:

The paper presents a framework for optimising a sailing yacht rig using Multi-objective Evolutionary Algorithms and for filtering obtained solutions by means of a Multi-criteria Decision Making method. A Bermuda sloop with discontinuous rig is taken under consideration as a model rig configuration. It has been decomposed into its elements and described by a set of control parameters to form a responsive model which can be used for optimisation purposes. Considering the contradictory nature of real optimisation objectives, a multi-objective approach has been chosen to address this issue. Once the optimisation process is over, a Multi-criteria Decision Making method based on a w-dominance relation is applied for filtering out the most interesting solutions from the obtained Pareto set. The proposed method has been implemented, and selected results are provided and discussed.

Źródło:

Polish Maritime Research; 2020, 4; 36-49
1233-2585

Pojawia się w:

Polish Maritime Research

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 51.

Tytuł:

A solution for increasing data rate of Doppler-RAKE system

Autorzy:

Nguyen Nguyen, M.
Modelski, J.

Powiązania:

https://bibliotekanauki.pl/articles/307797.pdf

Data publikacji:

2003

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

diversity
Doppler-RAKE
CDMA
multi-path
fast-fading
spread-time signaling
multi-user detection
channel coding

Opis:

Doppler-RAKE detection in the CDMA system has been further developed and offers better performances in comparison to conventional RAKE detection, especially in fast-fading environments. Also, the multi-user Doppler-RAKE system works more effectively with channel coding applications. However, by means of exploring the Doppler effect, the system's data rate is decreased. We propose a simple solution to increase the data rate for the system while keeping the Doppler gain.

Źródło:

Journal of Telecommunications and Information Technology; 2003, 3; 130-134
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 52.

Tytuł:

Multivariable Adaptive Controller for the Nonlinear MIMO Model of a Container Ship

Autorzy:

Brasel, M.
Dworak, P.

Powiązania:

https://bibliotekanauki.pl/articles/117137.pdf

Data publikacji:

2014

Wydawca:

Uniwersytet Morski w Gdyni. Wydział Nawigacyjny

Tematy:

Multi-Input
Multi-Output (MIMO)
MIMO System
MIMO Model
Container Ship
Adaptive Controller
MATLAB
Nonlinear Model
Algorithm

Opis:

The paper presents an adaptive multivariable control system for a Multi-Input, Multi-Output (MIMO) nonlinear dynamic process. The problems under study are exemplified by a synthesis of a course angle and forward speed control system for the nonlinear four-Degrees-of-Freedom (4-DoF) mathematical model of a single-screw, high-speed container ship. The paper presents the complexity of the assumed model to be analyzed and a synthesis method for the multivariable adaptive modal controller. Due to a strongly nonlinear nature of the ship movements equations a multivariable adaptive controller is tuned in relation to changeable hydrodynamic operating conditions of the ship. In accordance with the given operating conditions controller parameters are chosen on the basis of four measured auxiliary signals. The system synthesis is carried out by linearization of the nonlinear model of the ship at its nominal operating points in the steady-state and by means of a pole placement control method. The final part of the paper includes results of simulation tests of the proposed control system carried out in the MATLAB/Simulink environment along with conclusions and final remarks.

Źródło:

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 1; 41-47
2083-6473
2083-6481

Pojawia się w:

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 53.

Tytuł:

Efficient computation of the MCTDHF approximation to the time-dependent Schrodinger equation

Autorzy:

Koch, O.

Powiązania:

https://bibliotekanauki.pl/articles/255895.pdf

Data publikacji:

2006

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

multi-configuration time-dependent Hartree-Fock method
time-dependent multi-particle Schrodinger equation
Coulomb potential
finite elements

Opis:

We discuss analytical and numerical properties of the multi-configuration time-dependent Hartree-Fock method for the approximate solution of the time-dependent multi-particle (electronic) Schrödinger equation which are relevant for an efficient implementation of this model reduction technique. Particularly, we focus on a discretization and Iow rank approximation in the evaluation of the meanfield terms occurring in the MCTDHF equations of motion, which is crucial for the computational tractability of the problem. We give error bounds for this approximation and demonstrate the achieved gain in performance.

Źródło:

Opuscula Mathematica; 2006, 26, 3; 483-497
1232-9274
2300-6919

Pojawia się w:

Opuscula Mathematica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 54.

Tytuł:

Multi-source and multi-target iron ore blending method in open pit mine

Autorzy:

Yao, Jiang
Liu, Chunhui
Huang, Guichen
Xu, Kai
Yuan, Qingbo

Powiązania:

https://bibliotekanauki.pl/articles/2203345.pdf

Data publikacji:

2022

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

ruda żelaza
kopalnia odkrywkowa
kopalnia żelaza
iron ore blending
multi-source and multi-target
open pit mine

Opis:

Iron ore blending in an open-pit mine is an important means to ensure ore grade balance and resource recycling in iron mine industrial production. With the comprehensive recovery and utilisation of resource mining, the multi-source and multi-target ore blending method has become one of the focuses of the mining industry. Scientific and reasonable ore blending can effectively reduce the transportation cost of the enterprise. It can also ensure that the ore grade, washability index and iron carbonate content meet the requirements of the concentrator and significantly improve the comprehensive utilisation rate and economic benefits of the ore. An ore blending method for open-pit iron ore is proposed in this paper. The blending method is realised by establishing the ore blending model. This model aims to achieve maximum ore output and the shortest transportation distance, ore washability index, total iron grade, ferrous iron grade and iron carbonate content after the ore blending meets the requirements. This method can meet the situation of a single mine to a single concentrator and that of a single mine to multiple concentrators. According to the results of ore blending, we can know the bottleneck of current production. Through targeted optimisation management, we can tap the production potential of an open-pit mine.

Źródło:

Archives of Mining Sciences; 2022, 67, 4; 631--644
0860-7001

Pojawia się w:

Archives of Mining Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 55.

Tytuł:

O (nie)ustającej potrzebie duchowości w życiu i wychowaniu człowieka. Uwagi wstępne

Autorzy:

Walczak, Anna
Budajczak, Marek
Jocz, Artur

Powiązania:

https://bibliotekanauki.pl/articles/1373674.pdf

Data publikacji:

2021-07-01

Wydawca:

Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego

Tematy:

duch
duchowość
ranscendencja
kondycja ludzkiej egzystencji
multi/interdyscyplinarność
spirit
spirituality
transcendence
condition of human existence
multi/interdisciplinarity

Opis:

W kontekście rozważań o obecności i nieobecności Ducha oraz duchowości w świecie, pojmowania tej kategorii i odniesienia jej do nauk o wychowaniu w ujęciu interdyscyplinarnym omówiono zawartość 12 tomu czasopisma „Nauki o Wychowaniu. Studia Interdyscyplinarne”.
In the context of considerations about the presence and absence of the Spirit and spirituality in the world, understanding this category and relating it to the sciences of education in an interdisciplinary approach, a description of the content of the 12th volume of the journal “Nauki o Wychowaniu. Interdisciplinary Studies”.

Źródło:

Nauki o Wychowaniu. Studia Interdyscyplinarne; 2021, 12, 1; 8-13
2450-4491

Pojawia się w:

Nauki o Wychowaniu. Studia Interdyscyplinarne

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 56.

Tytuł:

On the (un)Ending Need for Spirituality in Human Life and Education. Introductory Remarks
O (nie)ustającej potrzebie duchowości w życiu i wychowaniu człowieka. Uwagi wstępne

Autorzy:

Walczak, Anna
Budajczak, Marek
Jocz, Artur

Powiązania:

https://bibliotekanauki.pl/articles/1373762.pdf

Data publikacji:

2021-07-01

Wydawca:

Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego

Tematy:

duch
duchowość
transcendencja
kondycja ludzkiej egzystencji
multi/interdyscyplinarność
spirit
spirituality
transcendence
condition of human existence
multi/interdisciplinarity

Opis:

In the context of considerations about the presence and absence of the Spirit and spirituality in the world, understanding this category and relating it to the sciences of education in an interdisciplinary approach, a description of the content of the 12th volume of the journal “Nauki o Wychowaniu. Interdisciplinary Studies”.
W kontekście rozważań o obecności i nieobecności Ducha oraz duchowości w świecie, pojmowania tej kategorii i odniesienia jej do nauk o wychowaniu w ujęciu interdyscyplinarnym omówiono zawartość 12 tomu czasopisma „Nauki o Wychowaniu. Studia Interdyscyplinarne”.

Źródło:

Nauki o Wychowaniu. Studia Interdyscyplinarne; 2021, 12, 1; 14-19
2450-4491

Pojawia się w:

Nauki o Wychowaniu. Studia Interdyscyplinarne

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 57.

Tytuł:

Handling insensitivity in multi-physics inverse problems using a complex evolutionary strategy
Rozpoznawanie niewrażliwości w wielokryterialnych problemach odwrotnych przy użyciu złożonej strategii ewolucyjnej

Autorzy:

Sawicki, Jakub
Smołka, Maciej
Łoś, Marcin
Schaefer, Robert

Powiązania:

https://bibliotekanauki.pl/articles/29520322.pdf

Data publikacji:

2019

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

multi-objective optimization
evolutionary algorithm
inverse problem

Opis:

In this paper we present a complex strategy for the solution of ill posed, in-verse problems formulated as multiobjective global optimization ones. The strategy is capable of identifying the shape of objective insensitivity regions around connected components of Pareto set. The goal is reached in two phases. In the first, global one, the connected components of the Pareto set are localized and separated in course of the multi-deme, hierarchic memetic strategy HMS. In the second, local phase, the random sample uniformly spread over each Pareto component and its close neighborhood is obtained in the specially profiled evolutionary process using multiwinner selection. Finally, each local sample forms a base for the local approximation of a dominance function. Insensitivity region surrounding each connected component of the Pareto set is estimated by a sufficiently low level set of this approximation. Capabilities of the whole procedure was verified using specially-designed two-criterion benchmarks.
Artykuł prezentuje złożoną strategię rozwiązywania źle postawionych problemów odwrotnych sformułowanych jako wielokryterialne zadania optymalizacji globalnej. Opisana strategia umożliwia identyfikację obszarów niewrażliwości funkcji celu wokół spójnych składowych zbioru Pareto. Cel jest osiągany w dwu etapach. W pierwszym z nich — globalnym — składowe spójne zbioru Pareto są lokalizowane i separowane przy pomocy wielopopulacyjnej hierarchicznej strategii memetycznej HMS. W etapie drugim — lokalnym — przy użyciu specjalnie sprofilowanego procesu ewolucyjnego wykorzystującego operator selekcji wyborczej z wieloma zwycięzcami produkowana jest losowa próbka rozłożona jednostajnie na każdej składowej i jej bliskim otoczeniu. Finalnie każda lokalna próbka jest użyta jako baza do zbudowania lokalnej aproksymacji funkcji dominacji. Zbiory poziomicowe tej aproksymacji dla odpowiednio niskich poziomów stanowią przybliżenie zbiorów niewrażliwości wokół składowych spójnych. Możliwości strategii zostały zweryfikowane przy użyciu specjalnie zaprojektowanych dwukryterialnych funkcji testowych.

Źródło:

Computer Methods in Materials Science; 2019, 19, 1; 2-11
2720-4081
2720-3948

Pojawia się w:

Computer Methods in Materials Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 58.

Tytuł:

The scalarization approach for multi-objective optimization of network resource allocation in distributed systems

Autorzy:

Wesołowski, Z.

Powiązania:

https://bibliotekanauki.pl/articles/92817.pdf

Data publikacji:

2016

Wydawca:

Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach

Tematy:

distributed system
resource allocation
multi-objective optimization

Opis:

The paper presents a multi-objective optimization framework to the network resource allocation problem, where the aim is to maximize the bitrates of data generated by all agents executed in a distributed system environment. In the proposed approach, the utility functions of agents may have different forms, which allows a more realistic modeling of phenomena occurring in computer networks. A scalarizing approach has been applied to solve the optimization problem.

Źródło:

Studia Informatica : systems and information technology; 2016, 1-2(20); 39-52
1731-2264

Pojawia się w:

Studia Informatica : systems and information technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 59.

Tytuł:

Tuning of a Fuzzy System for Controlling Searching Process In Multi Objective Scheduling Immune Algorithm

Autorzy:

Wosik, I.
Skołud, B.

Powiązania:

https://bibliotekanauki.pl/articles/971215.pdf

Data publikacji:

2009

Wydawca:

Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych

Tematy:

Immune Algorithm
multi objective optimization
fuzzy system

Opis:

In the paper the Multi Objective Immune Algorithm (MOIA) for an open job shop scheduling problem (OJSP) is proposed. The OJSP belongs to most both time consuming and most complicated problems in scope of searching space. In the paper schedules are evaluated by using three criteria: makespan, flowtime and total tardiness. MOIA proposes a schedule, which is best one, selected from a set of achieved solutions. An affinity threshold is a parameter that controls equilibrium between searching space and solutions diversity in MOIA. The affinity threshold is defined by using fuzzy logic system. In the paper fuzzy system is tuned by selecting shape, size of fuzzy sets, and fuzzy decisions of an affinity threshold. If the fuzzy system is used then neither the knowledge about the affinity threshold nor influence over searching processes is not required from a decision-maker. The application of the fuzzy system makes the process of decision-making user friendly. In the paper efficiency of MOIA before and after the fuzzy system tuning is compared and computational results are presented.

Źródło:

Journal of Machine Engineering; 2009, 9, 1; 130-143
1895-7595
2391-8071

Pojawia się w:

Journal of Machine Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 60.

Tytuł:

Multi-direction digital moving mask method for fabricating continuous microstructures

Autorzy:

Zhang, Z
Gao, Y
Luo, N
Zhong, K
Liu, Z

Powiązania:

https://bibliotekanauki.pl/articles/175088.pdf

Data publikacji:

2015

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

multi-direction digital moving mask
superposition
quantization

Opis:

The multi-direction digital moving mask method, employing the superposition of the exposure along various moving directions, is developed for fabricating continuous microstructures. The mask pattern corresponding to each moving direction is determined by projecting the target dose profile in the corresponding moving direction. All the mask patterns are dynamically exposed on the same substrate layer by layer so as to form a 3D profile of the exposure dose. The selection criterion of a quantization number and moving-direction number is discussed. For verification of the multi-direction moving method, experiments are performed to fabricate a square pyramid array and square-based microlens array by moving along two orthogonal directions, and round-based microlens array by moving along six directions.

Źródło:

Optica Applicata; 2015, 45, 1; 79-88
0078-5466
1899-7015

Pojawia się w:

Optica Applicata

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 61.

Tytuł:

Application of TOPSIS and PIV methods for multi-criteria decision making in hard turning process

Autorzy:

Trung, Do Duc

Powiązania:

https://bibliotekanauki.pl/articles/2052202.pdf

Data publikacji:

2021

Wydawca:

Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych

Tematy:

multi-criteria decision making
TOPSIS
PIV
weight

Opis:

In this study, TOPSIS and PIV methods were applied for multi-criteria decision making in hard turning process. Experiments have been conducted in accordance with an experimental matrix designed by the Taguchi method with a total of twenty-seven experiments. At each experiment, the values of coolant concentration, nose radius, coolant flow, cutting velocity, feed rate and depth of cut have been changed. Surface roughness, flank wear and roundness error have been selected as output criteria. The weights of criteria have been determined by three methods, inclusive of Equal weight, ROC weight and Entropy weight. The combination of multi-criteria decision-making methods with three weighting methods gives six ranking options of the experiments. The purpose of ranking the experiments is to find the experiment at which the three output parameters are ensured to have the minimum value simultaneously.

Źródło:

Journal of Machine Engineering; 2021, 21, 4; 57-71
1895-7595
2391-8071

Pojawia się w:

Journal of Machine Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 62.

Tytuł:

The Evolution of the Approach of the State Authorities to Minorities and Ethnic Groups in the Third Republic of Poland (outline of issues)

Autorzy:

Waszkiewicz, Ewa

Powiązania:

https://bibliotekanauki.pl/articles/2027973.pdf

Data publikacji:

2008-12-31

Wydawca:

Wydawnictwo Adam Marszałek

Tematy:

Multi-national
New ideology
Ethnic groups
Polska

Opis:

The new borders and new ideology imposed on Poland in the aftermath of World War II significantly affected the ethnic structure of the state and the approach of its communist authorities towards minority groups. The pre-war Poland was a multi-national state where Poles represented about 69.2% of the population, the remaining 30.8% were the members of minorities – with the biggest communities of Ukrainians, Belarusians, Germans and Jews. According to the first, official, post-war census – the minority groups represented after 1945 already only 2% of the citizens of new Poland.

Źródło:

Polish Political Science Yearbook; 2008, 37; 106-126
0208-7375

Pojawia się w:

Polish Political Science Yearbook

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 63.

Tytuł:

The effect of multi-component fertilizers on spring triticale yield, the content and uptake of macronutrients
Działanie nawozów wieloskładnikowych na plon, zawartość i pobranie makroelementów przez pszenżyto jare

Autorzy:

Nogalska, A.
Czapla, J.
Skwierawska, M.

Powiązania:

https://bibliotekanauki.pl/articles/1187864.pdf

Data publikacji:

2012

Wydawca:

Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza

Tematy:

spring triticale
yield
macronutrients
multi-component fertilizers

Opis:

Nawożenie jest podstawowym czynnikiem i zarazem wskaźnikiem efektywności produkcji rolniczej. Dostępny obecnie na polskim rynku bardzo szeroki i zróżnicowany pod względem jakościowym i cenowym asortyment nawozów mineralnych, o podobnych nazwach, często utrudnia rolnikowi wybór odpowiedniego nawozu. Pozytywnym zjawiskiem jest powolny, ale systematyczny wzrost udziału nawozów wieloskładnikowych w ogólnym zużyciu nawozów mineralnych przez polskiego rolnika. Nawozy wieloskładnikowe umożliwiają dostarczanie roślinom jednocześnie kilku składników pokarmowych w odpowiednich ilościach i proporcjach, najczęściej z uwzględnieniem zasobności gleby w przyswajalny fosfor, potas i magnez. Celem pracy była ocena wpływu zastosowanych nawozów wieloskładnikowych mieszanych na wielkość plonu, zawartość i pobranie makroelementów przez pszenżyto jare. Trzyletnie doświadczenie polowe (2005-2007) przeprowadzono w zakładzie Dydaktyczno-Doświadczalnym w Tomaszkowie należącym do Uniwersytetu Warmińsko-Mazurskiego w Olsztynie. Doświadczenie, założone metodą losowanych bloków, obejmowało trzy obiekty nawozowe: obiekt kontrolny (nawozy jednoskładnikowe) oraz dwa nawozy wieloskładnikowe mieszane - Amofosmag 4 (NPKMg 4:15:15:2) i Amofosmag 3 (NPKMg 3:14:20:2). Rośliną testowaną było pszenżyto jare (Triticosecale Wittm) odmiany Wanad. Z badań wynika, że najkorzystniej na plon ziarna pszenżyta jarego wpłynął Amofosmag 4, który zwiększył go średnio o ok. 11% w porównaniu z obiektem kontrolnym. Natomiast Amofosmag 3 działał na poziomie nawozów jednoskładnikowych. Nawozy jednoskładnikowe i wieloskładnikowe podobnie kształtowały skład mineralny ziarna i słomy pszenżyta, który mieścił się w ogólnie przyjętych normach. Większe zróżnicowanie wystąpiło między poszczególnymi latami badań. Największe łączne pobranie azotu, fosforu, potasu, wapnia i magnezu przez pszenżyto jare stwierdzono po zastosowaniu Amofosmagu 4, co świadczy o lepszej przyswajalności składników pokarmowych z tego nawozu niż z nawozów jednoskładnikowych oraz z Amofosmagu 3.

Źródło:

Journal of Elementology; 2012, 17, 1; 95-104
1644-2296

Pojawia się w:

Journal of Elementology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 64.

Tytuł:

Human integration in an ontology-based IoT system

Autorzy:

Skarżyński, Kamil
Bartyna, Waldemar
Stępniak, Marcin

Powiązania:

https://bibliotekanauki.pl/articles/2052440.pdf

Data publikacji:

2021

Wydawca:

Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach

Tematy:

IoT
ontology
multi-robot systems
smart environment

Opis:

The IoT systems are growing field of automation. In contrast to industrial applications, where the system is custom made for each customer or use case, the home IoT systems can be composed and used in many, sometimes dangerous and unpredictable, ways. This paper presents a system that is based on a common ontology as a unified and universal method of representing the environment including humans. Such approach allows for easy integration of heterogenous devices and declarative definition of services, tasks, and rules ensuring human safety and/or comfort.

Źródło:

Studia Informatica : systems and information technology; 2020, 1-2(24); 53-69
1731-2264

Pojawia się w:

Studia Informatica : systems and information technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 65.

Tytuł:

Numerical simulation and experimental bending behaviour of multi-layer sandwich structures

Autorzy:

Arbaoui, J.
Schmitt, Y.
Pierrot, J-L.
Royer, F-X.

Powiązania:

https://bibliotekanauki.pl/articles/279468.pdf

Data publikacji:

2014

Wydawca:

Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej

Tematy:

multi-layer sandwich
polypropylene honeycomb
modelling
bending

Opis:

In this paper, an experimental investigation, an analytical analysis and a numerical model of a typical four-point bending test on a polypropylene honeycomb multi-layer sandwich panel are proposed. The polypropylene honeycomb core is modelled as a single solid and multi-layer of equivalent material properties. Analytical and numerical (finite element) homogenization approaches are used to compute the effective properties of the single honeycomb core and analytical homogenization of the multi-layer one. The results obtained by numerical simu- lation (finite element) of four-point bending are compared with the experimental results of a polypropylene honeycomb core/composite facing multi-layer sandwich structures.

Źródło:

Journal of Theoretical and Applied Mechanics; 2014, 52, 2; 431-442
1429-2955

Pojawia się w:

Journal of Theoretical and Applied Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 66.

Tytuł:

Zarządzanie projektami wielolokalizacyjnymi determinantą zmian w kluczowych kompetencjach konsultantów personalnych/koordynatorów HR
Management of multi-location projects as a determining factor of changes of key competencies of personnel consultants/ HR coordinators

Autorzy:

Kupczyk, Teresa
Bartkowiak, Piotr

Powiązania:

https://bibliotekanauki.pl/articles/419713.pdf

Data publikacji:

2016

Wydawca:

Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu

Tematy:

competencies
multi-location projects
management
personnel consultant

Opis:

The objective of the paper was to identify key competencies of personnel consultants/HR coordinators considering implementation of multi-location projects. In 2014, a quantitative-qualitative research was held, based on a questionnaire filled by employees of the company Work Service at such posts. The respondents were asked to select key competencies from a provided list of 32 skills and they could enter their own suggestions, too. During the data analysis, an attempt was made to identify differences between answers provided by respondents who achieved average and above-average financial results. The obtained results were analysed statistically. Average results and standard deviations were calculated. In order to define differences in relevance of key competencies, t-Student test was performed for independent samples, using the IBM SPSS Statistics 21.0 software. Based on the respondents’ opinions, key competencies were identified for leaders of multi-location projects. It was revealed that the respondents had competency gaps in this area. The research confirmed that transformation of organisations into dispersed multi-location structures will require modification of competencies held nowadays by HR project leaders.

Źródło:

Nauki o Zarządzaniu; 2016, 1(26); 100-111
2080-6000

Pojawia się w:

Nauki o Zarządzaniu

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 67.

Tytuł:

Underwater terrain aided navigation based on acoustic imaging

Autorzy:

Song, Z.
Bian, H.
Zielinski, A.

Powiązania:

https://bibliotekanauki.pl/articles/331702.pdf

Data publikacji:

2015

Wydawca:

Polskie Towarzystwo Akustyczne

Tematy:

3D terrain model
multi-beam bathymetry

Opis:

Underwater terrain aided navigation is applicable to underwater vehicles during long missions. It relies on a prior known ocean bathymetric map and collected in-situ sonar data to determine the position of the vehicle. The performance of the navigation system depends on the sea floor characteristics and algorithms that are used to match those two sets of data. In this paper, a novel idea was proposed to treat bathymetric maps and in-situ sonar data as images. A variety of existing algorithms developed for image processing can be applied to obtain position fixes. Textual features extraction, image interpolation and image registration were tested using available bathymetric data and synthesized sonar data as collected in-situ. Simulation results indicate that the chosen image analysis methods are capable of providing robust position fixes. The image characteristics extracted from the underwater terrain data are shown to be rotation and scale invariant. As the resolution of multi-beam bathymetry sonars keeps improving with technology advances, the use of image analysis techniques facilitates underwater terrain aided navigation for a wide range of new applications.

Źródło:

Hydroacoustics; 2015, 18; 153-160
1642-1817

Pojawia się w:

Hydroacoustics

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 68.

Tytuł:

On the value function for multi-isotope mixtures separation

Autorzy:

Palkin, V. A.

Powiązania:

https://bibliotekanauki.pl/articles/347060.pdf

Data publikacji:

2004

Wydawca:

Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydział Technologii i Inżynierii Chemicznej

Tematy:

isotope separation
value function
multi-isotope mixtures

Opis:

One of the possible approaches to the introduction of the value function in the case of multi-isotope mixtures is presented. It is based on a simplified model of separation processes in cascades and elements with multiplication of elementary effects of separation. A differential equation, being a necessary condition of the determination of the value function, is derived from the analysis of this model. Its general solution contains arbitrary constants which should be obtained considering boundary conditions and specific features of the separation process. Additional conditions concerning use of the found solutions in cascade criteria of an estimation of separation efficiency are stipulated. The applicability of various kinds of the value function forming at different conditions is analyzed. The forms of the value function which reflect best the optimal cascade with assigned external concentrations of the desired isotope and the matched abundance ratio cascade (MARC) are established.

Źródło:

Ars Separatoria Acta; 2004, 3; 51-61
1731-6340

Pojawia się w:

Ars Separatoria Acta

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 69.

Tytuł:

Local subdifferentials and multivariational inequalities in Banach and Frechet spaces

Autorzy:

Kasyanov, P. O.
Mel'nik V., S.
Piccirillo, A. M.

Powiązania:

https://bibliotekanauki.pl/articles/255055.pdf

Data publikacji:

2008

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

local subdifferential
multi-variational inequality
Frechet space

Opis:

Some functional-topological concepts of subdifferential and locally subdifferential maps in Frechet spaces are established. Multivariational inequalities with an operator of the pseudomonotone type, connected with subdifferential maps, are considered.

Źródło:

Opuscula Mathematica; 2008, 28, 3; 295-311
1232-9274
2300-6919

Pojawia się w:

Opuscula Mathematica

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 70.

Tytuł:

Paradigms of Cognition in Security Sciences

Autorzy:

Glen, Andrzej

Powiązania:

https://bibliotekanauki.pl/articles/1375120.pdf

Data publikacji:

2020

Wydawca:

Wyższa Szkoła Policji w Szczytnie

Tematy:

mono-paradigmativity
multi-paradigmativity
complementarity
ontological realism

Opis:

The article outlines difficulties related to the paradigm of cognition in security sciences, which have been generalised by asking about the paradigm that allows to study security of various entities and to obtain progress of knowledge about this fragment of reality. Then, a set of paradigms typical for the social sciences, disciplines: political and administrative sciences, international relations theory sub-discipline: security studies and management and quality sciences were analysed and evaluated using a system of hypothetical and assertion-deductive methods. The subject, time and spatial context of security of entities, the subject scope of security sciences and the ontological approach to the understanding of beings in the reality of security of entities were outlined. The usefulness of analysed and evaluated paradigms in cognition of security was assessed in this context. Finally, a complementary paradigm of cognition in security sciences was proposed and its usefulness in relation to multi-paradigmatic cognition was demonstrated.

Źródło:

Internal Security; 2020, 12(1); 9-21
2080-5268

Pojawia się w:

Internal Security

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 71.

Tytuł:

Colorative Challenges in English Economic Terminology

Autorzy:

Rosyanova, Tatiana S.

Powiązania:

https://bibliotekanauki.pl/articles/1368408.pdf

Data publikacji:

2020-09-30

Wydawca:

Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego

Tematy:

English economic terminology
multi-compound terms
metaphor

Opis:

The paper focuses on multicompound English economic terms with colorative components that constitute a large lexis group, creating constant challenges for translators of economic literature. The introductory part briefly outlines the cognitive aspects of terminology research and discusses advantages of descriptive approach toward economic terminology. Then, it is demonstrated that terminology displays emotive and expressive content by means of connotations as well as such tools as colour-related metaphors. The general trend within this terminological group is the diversity of metaphorical associations that influenced term-formation and the diversity of translating keys that can give the right semantic insight to the translator. Finally, colorative term compounds in economic terminology are regarded as a challenge posed in the context of translation.

Źródło:

Research in Language; 2020, 18, 3; 343-357
1731-7533

Pojawia się w:

Research in Language

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 72.

Tytuł:

Reflexivity as a characteristic of pedagogical research

Autorzy:

Anna, Perkowska-Klejman,

Powiązania:

https://bibliotekanauki.pl/articles/890461.pdf

Data publikacji:

2019-01-15

Wydawca:

Akademia Pedagogiki Specjalnej im. Marii Grzegorzewskiej. Wydawnictwo APS

Tematy:

reflexivity
multi-paradigmatic
pedagogical research
reflective studies

Opis:

The article presents reflexivity as an important attribute of pedagogical research. Introduction contains a brief historical outline of the tradition of social and humanistic research (from the positivist paradigm to the relativization, from a single paradigm to multiplicity of paradigms). Nowadays a pluri-paradigmatic approach became more popular amongst in methodology and is equated with the maturity of discipline. The main part of the article presents the most important assumptions of reflective studies. The first premise concerns cognition, which will never be completely certain and objective. Researcher could remain impartial. Knowledge is socially and personally involved. The most common feature in contemporary world descriptions is changeability. No research – and especially reflexive – can/should be planned or carried out without knowing the theory of the research subject. There are no isolated phenomena in the socio-cultural reality surrounding humanity. Reflexive studies recognize the relationship between the subjective perspective of the subject and the objective structure that creates the living space of the subjects studied. The reflexive stream of study does not have to lead to the creation of new theory.

Źródło:

International Journal of Pedagogy, Innovation and New Technologies; 2018, 5(2); 34-50
2392-0092

Pojawia się w:

International Journal of Pedagogy, Innovation and New Technologies

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 73.

Tytuł:

Multicriterial optimization

Autorzy:

Khan, Phan Quoc

Powiązania:

https://bibliotekanauki.pl/articles/747912.pdf

Data publikacji:

1990

Wydawca:

Polskie Towarzystwo Matematyczne

Tematy:

Research exposition
Multi-objective and goal programming

Opis:

.
This work is a survey. Basic notions, a few words on the history and a classification of problems in multicriterial optimization are presented. Optimality conditions of various types are discussed in more detail.

Źródło:

Mathematica Applicanda; 1990, 18, 32
1730-2668
2299-4009

Pojawia się w:

Mathematica Applicanda

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 74.

Tytuł:

Application of multi-criteria analysis based on individual psychological profile for recommender systems

Autorzy:

Rafalak, M.
Granat, J.
Wierzbicki, A. P.

Powiązania:

https://bibliotekanauki.pl/articles/305393.pdf

Data publikacji:

2016

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

recommender system
multi-criteria analysis
user profiling

Opis:

This paper presents a novel approach for user classification exploiting multi- criteria analysis. This method is based on measuring the distance between an observation and its respective Pareto front. The obtained results show that the combination of the standard KNN classification and the distance from Pareto fronts gives satisfactory classification accuracy – higher than the accuracy ob- tained for each of these methods applied separately. Conclusions from this study may be applied in recommender systems where the proposed method can be implemented as the part of the collaborative filtering algorithm.

Źródło:

Computer Science; 2016, 17 (4); 503-517
1508-2806
2300-7036

Pojawia się w:

Computer Science

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 75.

Tytuł:

Modelling and simulation of procurement processes

Autorzy:

Domański, R.
Adamczak, M.
Cyplik, P.
Pruska, Ż.
Malak, M.

Powiązania:

https://bibliotekanauki.pl/articles/409234.pdf

Data publikacji:

2014

Wydawca:

Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej

Tematy:

logistics processes
procurement parameterization
multi-criteria analysis

Opis:

The Authors’ research has concentrated on the modelling and parametrization of procurement processes – order/ delivery processes. The methods employed in the research were: modelling approach towards logistics systems and processes as well iGrafx software. The result of the works is the Authors’ own project composed of 10 elements, which allows for conducting a multi-criteria analysis of procurement and transportation processes. This paper describes the simulation of procurement according to economic order quantity method. Business processes today are volatile, complex and with many interdependencies; a tendency to reduce the risk of failure is prevalent. Computer simulation as a tool for analysing and predicting future enables the testing of various solution variants over a short period of time – at no capital investment cost or without taking unnecessary risk. The result of the research has a practical application in both manufacturing and trading companies.

Źródło:

Research in Logistics & Production; 2014, 4, 2; 147-156
2083-4942
2083-4950

Pojawia się w:

Research in Logistics & Production

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 76.

Tytuł:

Database of multi-variant machining process plan

Autorzy:

Gola, Ł.

Powiązania:

https://bibliotekanauki.pl/articles/409500.pdf

Data publikacji:

2014

Wydawca:

Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej

Tematy:

Database
multi-variant machining process plan
access

Opis:

This paper presents database of multi-variant machining process plan. This database is a part of CAPP (Computer Aided Process Planning) – prototype system, which was built on the basis of algorithm generating multi-variant process plan. Database was implemented to Microsoft Access 2010.

Źródło:

Research in Logistics & Production; 2014, 4, 3; 201-207
2083-4942
2083-4950

Pojawia się w:

Research in Logistics & Production

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 77.

Tytuł:

Polowa analiza siłowników elektromagnetycznych i transformatorów
Field analysis of electromagnetic actuators and transformers

Autorzy:

Tomczuk, B.
Koteras, R.
Waindok, A.
Zimon, J.

Powiązania:

https://bibliotekanauki.pl/articles/157315.pdf

Data publikacji:

2011

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

logika wielowartościowa
enkoder
multi-valued logic
encoder

Opis:

W artykule zamieszczono wybrane wyniki badań siłowników o ruchu liniowym i nowoczesnych transformatorów. Przedstawiono zarówno modele fizyczne analizowanych obiektów, jak i ich modele matematyczne. Praca zawiera wyniki obliczeń rozkładu pola magnetycznego oraz jego parametrów całkowych dla nowoczesnego siłownika liniowego do badań zmęczeniowych, dla siłownika łożyska magnetycznego oraz transformatora z rdzeniem z blach amorficznych. Prototypy wymienionych obiektów charakteryzują się parametrami spełniającymi wymagania przyszłych użytkowników. Należy także podkreślić dobrą zgodność wyników obliczeń i pomiarów.
Selected investigation results of linear actuators and modern transformers are presented in the paper. Both, physical and mathematical models of the analysed objects are shown. There are given results of calculating the magnetic field distribution and its integral parameters for three objects: a modern linear actuator for fatigue tests, a magnetic bearing actuator and amorphous core transformer. The prototypes of the mentioned objects are characterised by parameters which fulfill the future user's needs. One should underline good conformity of the calculation and measurement results. In the introduction (Section 1), the up-to-date information on linear actuators [2, 3, 4, 5, 6, 7, 8] and transformers [1, 9, 10 11] is given. In Section 2 numerical models of the analysed objects are described. In all cases the finite element method was used [12, 13, 14, 15]. The next three sections include the calculation results and measurement verification for: the linear actuator for fatigue tests (Section 3), the magnetic bearing actuator [16, 17] (Section 4) and the amorphous core transformer [18] (Section 5).

Źródło:

Pomiary Automatyka Kontrola; 2011, R. 57, nr 3, 3; 264-268
0032-4140

Pojawia się w:

Pomiary Automatyka Kontrola

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 78.

Tytuł:

Przetwornik sygnałów logiki dwuwartościowej na trójwartościową z zastosowaniem wielowejściowego wzmacniacza operacyjnego
The signal converter of two-state- into three-state-logic signal with use of multiple input operational amplifier

Autorzy:

Walecki, M.
Urbańczyk, M.

Powiązania:

https://bibliotekanauki.pl/articles/157318.pdf

Data publikacji:

2011

Wydawca:

Stowarzyszenie Inżynierów i Techników Mechaników Polskich

Tematy:

logika wielowartościowa
enkoder
multi-valued logic
encoder

Opis:

Opisano teoretyczny model przetwornika sygnałów dwuwartościowej logiki boolowskiej na trójwartościową, dla dowolnych poziomów liczbowych wartości logicznych. Pokazano jego schemat ogólny. Zaproponowano realizację przetwornika sygnałów logicznych dwuwartościowych na trójwartościowe z zastosowaniem dwóch wielowejściowych napięciowych wzmacniaczy operacyjnych. Przedstawiono wyniki symulacji modelu układu o jednobiegunowej charakterystyce wzmocnienia.
The paper describes the theoretical model of a two-state logic into a three-state logic converter for which the value of the logic levels is arbitrary. For the purpose of analysing the converter, the number of binary inputs is set to two. The general diagram of the converter is shown. The realization of a two-state-logic converter into a three-state-logic signal with use of two multiple input voltage operational amplifiers is proposed. The converter output signals obtained from simulations are presented. Numerical simulations of the converter were performed when assuming single-pole role-off characteristics of the amplifier. The goal of the analysis is to examine the converter dynamics for different periods T of the input test signals. At the given distance between the consecutive output logic levels equal to 1 V, the converter generates signals of frequency up to 1 MHz. The upper limit of this logic converter frequency range results from the operational amplifier frequency characteristics. The main advantage of the converter with a multi-input operational amplifier is its simple construction and no additional passive elements required.

Źródło:

Pomiary Automatyka Kontrola; 2011, R. 57, nr 3, 3; 261-263
0032-4140

Pojawia się w:

Pomiary Automatyka Kontrola

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 79.

Tytuł:

The Multi-sensory landscape as an inspiration in the creation of a tourism product

Autorzy:

Rogowski, Mateusz

Powiązania:

https://bibliotekanauki.pl/articles/627571.pdf

Data publikacji:

2016

Wydawca:

Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego

Tematy:

multi-sensory landscape
landscape perception
tourism product

Opis:

Stimulated by growing competition in the tourism market, the offer available needs to be continuously enhanced, and as a result those doing the development reach out for increasingly sophisticated measures. An important element in this context is the popular multi-sensory perception of landscape which guarantees that the tourism product created will be interesting and unique. This helps to provide more interesting experiences and achieve greater involvement, which undoubtedly allows greater satisfaction to be drawn from participation in tourism activities. The purpose of this article is to demonstrate tha the multi-sensory approach to landscape may be applied in the creation process of the tourism product, and this proposition will be supported with examples corresponding to particular landscape stimuli. The author intends to show that contemporary tourism offers benefit from the phenomenon of the multi-sensory landscape more and more frequently.

Źródło:

Turyzm; 2016, 26, 2; 23-32
0867-5856
2080-6922

Pojawia się w:

Turyzm

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 80.

Tytuł:

Modelling of the microstructure and properties in the length scales varying from nano- to macroscopic

Autorzy:

Kurzydłowski, K.

Powiązania:

https://bibliotekanauki.pl/articles/199877.pdf

Data publikacji:

2010

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

multi length scale modelling
grain boundaries
nanomaterials

Opis:

The aim of this paper is to show the recent progress in multi length scale modelling of the engineering materials. This progress is demonstrated using a series of examples addressing, in particular, the role of effect of the grain boundaries in shaping properties of nano-polycrystalline metals.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2010, 58, 2; 217-226
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 81.

Tytuł:

A simplified control strategy for single-phase UPS inverters

Autorzy:

Monfared, M.

Powiązania:

https://bibliotekanauki.pl/articles/201075.pdf

Data publikacji:

2014

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

single-phase UPS
multi-loop feedback
feedforward

Opis:

Though there are many strategies to control single-phase uninterruptible power supply (UPS) inverters, they suffer from some drawbacks, the main being complexity. This paper proposes a simple dual-loop controller for the single-phase UPS inverter with the LC filter. The suggested control scheme uses the capacitor current as the feedback signal in the inner current loop. No fictitious phase generation or reference frame transformations are required, and simple proportional gains are employed as both voltage and current regulators. A feedforward of the derivative of the output voltage is also proposed, which significantly improves the performance of the closed loop control system. Then, based on the model of the inverter with the proposed control strategy, a simple and systematic design procedure is presented. Finally, the theoretical achievements are supported by extensive simulations.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 2; 367-373
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 82.

Tytuł:

Optimal selection of inner-branches parameters of matching circuits under the minimum branch-current RMS values and zero active-power conditions

Autorzy:

Jaraczewski, M.

Powiązania:

https://bibliotekanauki.pl/articles/201906.pdf

Data publikacji:

2020

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

multi-terminal-network compensators
optimization
nonlinear load

Opis:

The article is a continuation of a study on the synthesis of matching multi-terminal networks, also known as compensators. The reactive four-terminal-network compensators for linear loads were introduced in previous publications, but it appeared they operate effectively with nonlinear loads too. The methods to create a compensator for a mono-harmonic source, which allows complete independence of the input from output waveforms, ensuring optimal operating conditions for the source, are presented herein. The work for the first time presents the optimal four-terminal-network compensator applied to a nonlinear load.

Źródło:

Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 4; 777-783
0239-7528

Pojawia się w:

Bulletin of the Polish Academy of Sciences. Technical Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 83.

Tytuł:

Strategy of multi-channel marketing as a success factor for the pharmaceutical market

Autorzy:

Wick, Alexander
Strazovska, Lumbomira

Powiązania:

https://bibliotekanauki.pl/articles/2130324.pdf

Data publikacji:

2020

Wydawca:

Instytut Studiów Międzynarodowych i Edukacji Humanum

Tematy:

multi-channel retailing
drug supply
field service

Opis:

The distribution channels in the pharmaceutical industry have remained constant for several decades. However, in the course of digitalization and the new possibilities that come with it, this industry is not immune to the development of new distribution channels and to the question of whether the exist- ing ones are still up-to-date and in line with the market. This article deals exactly with this problem and weighs up the advantages and disadvantages of multi-channel retailing for the pharmaceutical industry.

Źródło:

Humanum. Międzynarodowe Studia Społeczno-Humanistyczne; 2020, 1(36); 173-178
1898-8431

Pojawia się w:

Humanum. Międzynarodowe Studia Społeczno-Humanistyczne

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 84.

Tytuł:

Multi-stage flotation of colored impurities from albite ore in the presence of some cationic and anionic collectors

Autorzy:

Kilinc-Aksay, E.

Powiązania:

https://bibliotekanauki.pl/articles/109851.pdf

Data publikacji:

2018

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

albite
colored impurities
collectors
multi-stage flotation

Opis:

Mica and heavy minerals containing iron oxides and titanium oxides such as rutile and sphene are floated using cationic and anionic collectors, respectively. In this study, separation of colored impurities including mica and heavy minerals from the albite ore obtained from the Aydin region in Turkey was investigated by multi-stage flotation. The effects of the new cationic and various anionic collectors and their dosages in either acidic or natural circuits were investigated to upgrade the albite ore. In the case of the flotation stage of mica minerals, the results obtained from this study showed that the stearylamine collector (Flotigam-S) gave the best performance and an albite concentrate with 7.58% Na2O grade was produced with 81.40% Na2O recovery at 400 g/Mg Flotigam-S under the acidic condition at pH 3. Additionally, in the heavy minerals flotation stage, the use of Na-oleate in the natural circuit (pH 6) was the most effective for removal of iron and titanium oxides, and an albite concentrate with 0.042% Fe2O3 and 0.061% TiO2 grades was produced with 91.89% Fe2O3 and 88.56 %TiO2 recoveries, respectively, with the use of 900 g/Mg Na-oleate. Under the optimum conditions, the colored impurities containing mica minerals, iron oxides and particularly sphene as well as rutile could be effectively removed from the albite ore in the presence of Flotigam-S and Na-oleate collectors by multi-stage flotation.

Źródło:

Physicochemical Problems of Mineral Processing; 2018, 54, 2; 220-227
1643-1049
2084-4735

Pojawia się w:

Physicochemical Problems of Mineral Processing

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 85.

Tytuł:

Travailler langue et culture en jouant avec les lieux, le savoir et la narration
Learning about culture and language through the exploration of places, knowledge and storytelling

Autorzy:

Evain, Christine

Powiązania:

https://bibliotekanauki.pl/articles/1048271.pdf

Data publikacji:

2019-07-09

Wydawca:

Uniwersytet im. Adama Mickiewicza w Poznaniu

Tematy:

Baludik
eZoomBook
multi-layered narration
geocatching
scénographie

Opis:

The storytelling activity coupled with that of playing and sharing a ‘story’ is part of the traditional repertoire of language didactics. In the context of a language project, a group of foreign Master’s students at the Ecole Centrale de Nantes were asked to use two tools: the Baludik (a gamified circuit editor) and eZoomBook (an enriched book editor). Our article reports back on the methodology used to offer students creative activities based on the Baludik and eZoomBook editors, and analyses the students’ results and feedback. Our goal is to suggest possible pedagogical uses of these circuits and book editors, applicable to the learning of different foreign languages.

Źródło:

Studia Romanica Posnaniensia; 2019, 46, 2; 63-79
0137-2475
2084-4158

Pojawia się w:

Studia Romanica Posnaniensia

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 86.

Tytuł:

Development of a method and technology for the production of 3D knitted reinforcement grids

Autorzy:

Zierold, Konrad
Steinberg, Julius
Hahn, Lars
Rittner, Steffen
Friese, Danny
Cherif, Chokri

Powiązania:

https://bibliotekanauki.pl/articles/2171997.pdf

Data publikacji:

2022

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych

Tematy:

composite
multiaxial warp knitting
multi-curved surface

Opis:

The use of fibre-reinforced plastic composites (FRP) for lightweight construction solutions is becoming increasingly important. The processing of 2D scrims into complete 3D FRP components has been carried out with the help of complex manual assembly steps. The disadvantages of this procedure are distortions in the textile and, thus, deviations in the fibre alignments from the calculated load path. This paper presents a newly developed basic technology for the production of 3D reinforcing grids with variable warp and weft yarn section lengths based on multiaxial warp knitting technology. For this purpose, a new type of machine module and associated control technology for the production of weft yarn reserves on a multiaxial warp knitting machine was developed. In combination with technology from previous research work on the production of warp yarn lengths suitable for component contours, a basis was created for the production of 3D reinforcing grids.

Źródło:

Fibres & Textiles in Eastern Europe; 2022, 3 (151); 18--26
1230-3666
2300-7354

Pojawia się w:

Fibres & Textiles in Eastern Europe

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 87.

Tytuł:

THE IMPACT OF SALES SERVICE IN MAREA TRADING SIMULATION UNDER CHANGING ENVIRONMENT CIRCUMSTANCES

Autorzy:

Sperka, Roman
Halaska, Michal

Powiązania:

https://bibliotekanauki.pl/articles/517150.pdf

Data publikacji:

2017

Wydawca:

Instytut Badań Gospodarczych

Tematy:

multi-agent system
simulation
model
trading
MAREA

Opis:

Research background: Managerial scientists use a lot of modelling techniques for business processes. In this paper we are focused on agent-based modelling and simulations, which emerged in the last two decades as a new approach. Autonomous and interacting intelligent agents are able to model and simulate complex systems in the business sphere. With the use of agent-based modelling and simulations we are able to understand how macro level outcomes are affected by micro level processes and vice versa. Purpose of the article: The purpose of the paper is to introduce recent development in the area of agent-based modelling and simulations focused on the business domain. Managers often have to make difficult decisions under the uncertainty and high risks. Agent-based modelling can provide powerful tools for lowering those risks through a possibility of running experiments, which is normally impossible in economics. In the second part we want to support the usefulness of agent-based simulations with our own simulations. Methods: The method used in this article is an agent-based simulation in a multi-agent system. We use a framework called MAREA. It is a simulation environment with integrated ERP system based on REA ontology. Our simulation model is based on a retail company that sells electronics. For simplicity, in our setup we trade with computer cables. Findings & Value added: In our simulations we experimented with the quality of sales service provided by company’s sales representatives. We investigated the impact of quality of sales service on company KPIs under the changing environment circumstances represented by disturbance agent. The quality of sales service is a part of quality of service and thus it affects the perception of brand and loyalty of customers towards the company. In our simulation setup we work with two types of customers, long-term customers and new ones. The result is that quality of sales service has mostly positive effects on company KPIs.

Źródło:

Equilibrium. Quarterly Journal of Economics and Economic Policy; 2017, 12, 2; 355-371
1689-765X
2353-3293

Pojawia się w:

Equilibrium. Quarterly Journal of Economics and Economic Policy

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 88.

Tytuł:

Negocjacje w systemach wieloagentowych z zastosowaniem standardów FIPA
Negotiations in Multi-Agent Systems Using FIPA Standards

Autorzy:

Stanek, Stanisław
Żytniewski, Mariusz

Powiązania:

https://bibliotekanauki.pl/articles/593390.pdf

Data publikacji:

2013

Wydawca:

Uniwersytet Ekonomiczny w Katowicach

Tematy:

Negocjacje
Systemy multiagentowe
Multi-agent system
Negotiations

Opis:

The key standards for negotiation in multi agent systems are considered. Multiagent systems represent one of the most promising technological paradigms for the development of autonomous, distributed, open and intelligent software systems. Particularly because the agents are autonomous and cannot be assumed to be benevolent negotiation is critical to resolve conflicts. Examples of conflicts include conflicts over the usage of joint resources or task assignments and conflicts between a buyer and a seller in electronic commerce. The process of negotiations may be of many different forms, such as auctions, protocols in the style of the contract net, and argumentation. The paper focuses on the analysis of specification standards provided by FIPA (Foundation of Intelligent Physical Agents). The first part of the study will present basic information about the negotiations in multi-agent systems. For this purpose, will be shown the importance of negotiations in modeling interactions software agents, types of messages used in multi-agent systems using standard FIPA ACL and options for online auctions, which can be aided by software agents. The second part will present the commonly used protocols consistent with FIPA specifications. To this end, we will discuss eleven diagrams depicting the model sequences of interaction agents. Their use can be found in the construction of multi-agent systems.

Źródło:

Studia Ekonomiczne; 2013, 138; 141-160
2083-8611

Pojawia się w:

Studia Ekonomiczne

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 89.

Tytuł:

Multivariate analysis in 3x3 type table

Autorzy:

Mantaj, Andrzej

Powiązania:

https://bibliotekanauki.pl/articles/658370.pdf

Data publikacji:

2011

Wydawca:

Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego

Tematy:

statistics
four-fold tables
multi-feature observations

Opis:

Praca zawiera propozycję metod analizy cech jednostek przestrzennych w tabelach wielo- dzielczych, przedstawioną na przykładzie tabeli dwudzielczej typu 3×3. Do prezentacji zastoso- wanych metod wykorzystano dane dotyczące 143 gmin wiejskich i miejsko-wiejskich woj. pod- karpackiego według stanu na 31.12.2007 r. Przedstawiona w pracy analiza, poza oceną kształtowania się charakterystyk w wydzielonych ze względu na przyjęte cechy kryterialne podklasach, objęła również przykłady zastosowania me- tod jednoczesnego opisu zmienności i współzależności badanych charakterystyk oraz ustalanie wpływowych jednostek przestrzennych, wykorzystując w tym celu uogólnione odchylenie stan- dardowe, średnie z bezwzględnych wartości różnic między współczynnikami korelacji, wyznacz- niki macierzy korelacji, statystykę Kaisera-Meyera-Olkina, wartości własne macierzy korelacji, a także macierze rzutowania i wartości dźwigniowe.

Źródło:

Acta Universitatis Lodziensis. Folia Oeconomica; 2011, 255
0208-6018
2353-7663

Pojawia się w:

Acta Universitatis Lodziensis. Folia Oeconomica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 90.

Tytuł:

About evaluation of multivariate measurements results

Autorzy:

Warsza, Z. L.

Powiązania:

https://bibliotekanauki.pl/articles/384932.pdf

Data publikacji:

2012

Wydawca:

Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów

Tematy:

uncertainty
indirect measurements
multi-measurand
correlated data

Źródło:

Journal of Automation Mobile Robotics and Intelligent Systems; 2012, 6, 4; 27-32
1897-8649
2080-2145

Pojawia się w:

Journal of Automation Mobile Robotics and Intelligent Systems

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 91.

Tytuł:

Single spiking neuron multi-objective optimization for pattern classification

Autorzy:

Juarez-Santini, Carlos
Ornelas-Rodriguez, Manuel
Soria-Alcaraz, Jorge Alberto
Rojas-Domínguez, Alfonso
Puga-Soberanes, Hector J.
Espinal, Andrés
Rostro-Gonzalez, Horacio

Powiązania:

https://bibliotekanauki.pl/articles/385022.pdf

Data publikacji:

2020

Wydawca:

Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów

Tematy:

multi-objective optimization
spiking neuron
pattern classification

Opis:

As neuron models become more plausible, fewer computing units may be required to solve some problems; such as static pattern classification. Herein, this problem is solved by using a single spiking neuron with rate coding scheme. The spiking neuron is trained by a variant of Multi-objective Particle Swarm Optimization algorithm known as OMOPSO. There were carried out two kind of experiments: the first one deals with neuron trained by maximizing the inter distance of mean firing rates among classes and minimizing standard deviation of the intra firing rate of each class; the second one deals with dimension reduction of input vector besides of neuron training. The results of two kind of experiments are statistically analyzed and compared again a Mono-objective optimization version which uses a fitness function as a weighted sum of objectives.

Źródło:

Journal of Automation Mobile Robotics and Intelligent Systems; 2020, 14, 1; 73-80
1897-8649
2080-2145

Pojawia się w:

Journal of Automation Mobile Robotics and Intelligent Systems

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 92.

Tytuł:

Data processing of broad-band signals received by multi-element cylindrical transducer

Autorzy:

Janowski, T.
Elminowicz, A.
Szworski, K.

Powiązania:

https://bibliotekanauki.pl/articles/331559.pdf

Data publikacji:

2008

Wydawca:

Polskie Towarzystwo Akustyczne

Tematy:

data processing
multi-element cylindrical transducer
hydroacoustic

Opis:

The sonar based on cylindrical transducer compared with linear transducer has few advantages. Particularly its omni-directional central symmetry enables simplification of the echo signal Direction of Arrival (DOA) estimation. When the number of transducer staves is the power of two the efficient Fast Fourier Transformation can be used to calculate spatial convolution. The article presents theoretical and technological principles of the real time digital data processing of the wideband echo signals received by cylindrical hydroacoustic transducer. Described procedures enable high resolution underwater target location and precise data display. The implementation of effective broadband pulse compression technique with high range resolution will be presented. The results of signal processing modeling and examples of application will be also discussed.

Źródło:

Hydroacoustics; 2008, 11; 113-120
1642-1817

Pojawia się w:

Hydroacoustics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 93.

Tytuł:

Signals parametrization method of sailing vessels

Autorzy:

Buszman, K.
Gloza, I.

Powiązania:

https://bibliotekanauki.pl/articles/332764.pdf

Data publikacji:

2016

Wydawca:

Polskie Towarzystwo Akustyczne

Tematy:

hydroacoustic
pressure
magnetic
multi-influence module
database

Opis:

The expansion of maritime transport is directly connected with increased risk of the appearance of unidentified vessels in the approaches to ports, wind farms, and other sensitive places in the water-body. Creating a parameters database of sailing objects, based on recorded dynamic variations of different physical fields with the specified aims of increasing security within the strategic offshore areas.

Źródło:

Hydroacoustics; 2016, 19; 27-36
1642-1817

Pojawia się w:

Hydroacoustics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 94.

Tytuł:

Universal test stand for research of aeronautical multi - power path gear demonstrators

Autorzy:

Kozik, B.
Budzik, G.
Cieplak, M.

Powiązania:

https://bibliotekanauki.pl/articles/246565.pdf

Data publikacji:

2012

Wydawca:

Instytut Techniczny Wojsk Lotniczych

Tematy:

test stand
multi-power path gear
demonstrator

Opis:

Gears used for the tests may be made of metal or plastic [1, 2, 5]. The stand has been designed in an open system and it is powered by a three-phase electric motor. The control is provided by a single-phase inverter with three outputs, which provides full speed control. All components have been installed on a table equipped with T-slots in order to determine the optimal position of the drive and the tested gear. The load of the stand is realized by an electromagnetic powder brake. Load torque of the gear depends on the supplied current. During the test, you can change settings such as speed or load torque. Torque meters installed on input and output of the demonstrator let you control the work of the whole gear. Values supplied by the torque meters (torque and speed) are recorded on a computer in real time (according to PC RTC) and archived by specialized software. The software installed on your computer allows you to view results of the measurements. The possibility to control working time lets you precisely define the time intervals of various stages of the research. Using timer makes it possible to observe the current consumption of the transmission and helps to establish the research process. Thanks to data, recording you will know when the gear is damaged. Tests at this stand allow for obtaining stable working parameters, and thus for obtaining not distorted, accurate results of the demonstrator operation. Changing the gear is exceptionally simple because of the use of sliding splined connections of the couplings. Separating couplings between which the gear is situated and unlocking, the terminal allows exchanging it.

Źródło:

Journal of KONES; 2012, 19, 3; 233-238
1231-4005
2354-0133

Pojawia się w:

Journal of KONES

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 95.

Tytuł:

Multi - body simulations of railway wagon dynamics

Autorzy:

Wójcik, K.
Małachowski, J.
Baranowski, P.
Mazurkiewicz, Ł.
Damaziak, K.
Krasoń, W.

Powiązania:

https://bibliotekanauki.pl/articles/246886.pdf

Data publikacji:

2012

Wydawca:

Instytut Techniczny Wojsk Lotniczych

Tematy:

multi-body
MSC ADAMS
railway wagon
dynamics

Opis:

The main aim of the presented paper is to verify the dynamics of chosen railway wagon using multi-body methods. Thus, in tests a wagon prototype with rotational rail-car body was simulated, which is going to be used for TIR vehicles trailer bodies transporting. Implemented prototype is authored by the team from Department of Applied Mechanics and Computer Science from Faculty of Mechanical Engineering in Military University of Technology. For this purpose CAD model, and subsequently numerical model, of mentioned wagon was developed. Using MSC Adams software initial boundary conditions, material parameters and contact characteristics were defined. In the previous authors' paper [1], preliminary analyses of the loads acting on the railway platform were carried out, which verified chosen parameters and coefficients. The main aim of presently proposed 3D multi-body simulations of railway wagon is to investigate its motion with full load and to determine the operation limit safety. Thus, in the performed analyses the railway wagon was accelerated to the desired velocity and drove through the curved tracks with four different velocities. From the carried out simulations the wagon dynamic behaviour was investigated and obtained results including contact forces characteristics were compared from all analyses cases. Moreover, performed study shows that the MSC. Adams software is capable for analysing and simultaneously validating various complex engineering problems, such as the one investigated by the authors.

Źródło:

Journal of KONES; 2012, 19, 3; 499-506
1231-4005
2354-0133

Pojawia się w:

Journal of KONES

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 96.

Tytuł:

Hybrid genetic algorithm for bi-criteria objectives in scheduling process

Autorzy:

Raghavendra, B. V.

Powiązania:

https://bibliotekanauki.pl/articles/407393.pdf

Data publikacji:

2020

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

multi-criteria decision
genetic algorithm
Pareto method

Opis:

Scheduling of multiobjective problems has gained the interest of the researchers. Past many decades, various classical techniques have been developed to address the multiobjective problems, but evolutionary optimizations such as genetic algorithm, particle swarm, tabu search method and many more are being successfully used. Researchers have reported that hybrid of these algorithms has increased the efficiency and effectiveness of the solution. Genetic algorithms in conjunction with Pareto optimization are used to find the best solution for bi-criteria objectives. Numbers of applications involve many objective functions, and application of the Pareto front method may have a large number of potential solutions. Selecting a feasible solution from such a large set is difficult to arrive the right solution for the decision maker. In this paper Pareto front ranking method is proposed to select the best parents for producing offspring’s necessary to generate the new populations sets in genetic algorithms. The bi-criteria objectives minimizing the machine idleness and penalty cost for scheduling process is solved using genetic algorithm based Pareto front ranking method. The algorithm is coded in Matlab, and simulations were carried out for the crossover probability of 0.6, 0.7, 0.8, and 0.9. The results obtained from the simulations are encouraging and consistent for a crossover probability of 0.6.

Źródło:

Management and Production Engineering Review; 2020, 11, 2; 107-112
2080-8208
2082-1344

Pojawia się w:

Management and Production Engineering Review

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 97.

Tytuł:

Współzależność wymiarów innowacyjności organizacyjnej
The interdependencies within dimensions of organizational innovativeness

Autorzy:

Klimas, Patrycja

Powiązania:

https://bibliotekanauki.pl/articles/419961.pdf

Data publikacji:

2013

Wydawca:

Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu

Tematy:

organizational innovativeness
multi-dimensional innovativeness
innovations
aviation

Opis:

This paper covers considerations on the relationships of four dimensions of organizational innovativeness: product, process, strategic and behavioral. The purpose of the article is to present the results of research on empirical verification of theoretical statements about the interdependencies within dimensions of organizational innovativeness. This research aims to identify if there are any positive relationships among particular dimensions of organizational innovativeness and to define the character of statistically significant relationships. The study has been done in the aviation industry, in deliberately chosen innovation cluster associating aviation and aerospace organizations from Poland. During the research a quantitative approach was adopted including the application of Spearman’s rank correlation coefficient analysis and curve estimation regression models. The results show that the particular dimensions of the organizational innovativeness are positively interrelated, although in case of behavioral and product innovativeness the identified correlation is not statistically significant.

Źródło:

Nauki o Zarządzaniu; 2013, 4(17); 61-72
2080-6000

Pojawia się w:

Nauki o Zarządzaniu

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 98.

Tytuł:

Advanced coating of interior of tanks for rising environmental safety - novel applications of polyurethanes

Autorzy:

Datta, J.
Haponiuk, J. T.

Powiązania:

https://bibliotekanauki.pl/articles/963383.pdf

Data publikacji:

2008

Wydawca:

Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa

Tematy:

polyurethane elastomers
multi-layer constructions
adhesives
recycling

Opis:

The aim of this study was to develop urethane elastomers of predefined properties to be used as elastic coating in the cargo tanks of tankers. A method for coating the liquid polyurethane system onto steel and steel-concrete elements, and a way to join polyurethane coating with the aforementioned elements, were elaborated. The technique of injection the reactive liquid polyurethane system onto cold steel elements was used. The method for utilization and recovery of urethane oligomerols from the waste polyurethane coating in chemical recycling by using low molecular weight glycols as glycolysis agents was proposed.

Źródło:

Polish Maritime Research; 2008, S 1; 8-13
1233-2585

Pojawia się w:

Polish Maritime Research

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 99.

Tytuł:

Place, Role and Tasks of Teacher-Andragogue in Europeanregional Education of Multi-Cultural Society

Autorzy:

Wełyczko, Leslaw
Landmann, Tomasz
Kuźniar, Zbigniew

Powiązania:

https://bibliotekanauki.pl/articles/1832113.pdf

Data publikacji:

2015

Wydawca:

Wyższa Szkoła Bezpieczeństwa Publicznego i Indywidualnego Apeiron w Krakowie

Tematy:

teacher-andragogue
education
multi-cultural
diversity
tolerance

Opis:

The authors of this article aimed at emphasizing the most significant issues related to the broad concept of multicultural education. The inspiration came from the fact that current federation of European countries – European Union – has made a multilateral progress during recent 10 years. The ensuing implications concern the diversity of cultures within societies of the Union member countries. The article displays an outline of the role that needs to be fulfilled by teachers of adults called andragogue teachers. As such they assume responsibility for unequivocal and uniform coexistence of all people within the European Union despite social, cultural, economic, and political discrepancies. The role of andragogue teachers is becoming a cornerstone of European education. Their professionalism derived from desirable competence and appropriate personality determines the consolidation of multicultural awareness among societies. Consequently, it leads to peaceful coexistence of diverse European cultures considering the rules of humanism, democracy, solidarity, and mutual tolerance. Hence andragogics should constitute the ultimate educational objective for European Education. According to authors, the content of article may encourage further investigation and development of andragology concept.

Źródło:

Security Dimensions; 2015, 15(15); 145-156
2353-7000

Pojawia się w:

Security Dimensions

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 100.

Tytuł:

Effects of Nonlinearity on Bolt Forces for the Operational State of a Multi-bolted Connection

Autorzy:

Grzejda, R.

Powiązania:

https://bibliotekanauki.pl/articles/298134.pdf

Data publikacji:

2013

Wydawca:

Uniwersytet Warmińsko-Mazurski w Olsztynie

Tematy:

multi-bolted connection
operational state
bolt force

Opis:

In the paper modelling and calculations of an asymmetrical multi-bolted connection at the operational stage are presented. The physical model of the joint is based on a flexible flange element that is connected with a rigid support by means of linear spring elements, which substitute bolts. Between the flange element and the support, the linear Winkler model of a contact layer is taken into consideration. The multi-bolted system is preloaded and then subjected to an eccentric normal load. Influence of nonlinearity of the contact layer between joined elements on computational values of bolt forces has been investigated. Results of calculations for several different values of the joined element’s thickness are pointed out.

Źródło:

Technical Sciences / University of Warmia and Mazury in Olsztyn; 2013, 16(3); 221-231
1505-4675
2083-4527

Pojawia się w:

Technical Sciences / University of Warmia and Mazury in Olsztyn

Dostawca treści:

Biblioteka Nauki

/5

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