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    Wyświetlanie 1-7 z 7
    Tytuł:
    The Application of Quest Technologies in Teaching Students of IT Specialties
    Autorzy:
    Levus, Ye.
    Sivets, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/411116.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    quest
    teamwork
    group dynamic
    software engineering
    quest plan
    information technologies
    Opis:
    The quest is analyzed as an innovative learning method that provides the development of creativity, cognitive flexibility, emotional intelligence of a person and meets teamwork that is especially important for IT professionals. The components and stages of quest-technology application are described. It is noted that the quest, in addition to the knowledge gained, gives students an understanding of the processes of group dynamics, behavioral patterns in the system of interpersonal relations. A quest-plan that has been developed can be used as a template for building quests. The example of components of the developed quest for students of the specialty Software Engineering with the specified features of each component is given. The proposed example can be used as a recommendation for constructing quests.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2019, 8, 2; 55-60
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Technical and economic analysis of the impact of compressors installed at well clusters
    Autorzy:
    Foidas, I.
    Stefanescu, D. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/298607.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    dynamic pressures
    suction pressures
    group compressor
    cash flow
    Opis:
    The current stage of mature gas fields exploitation is characterized by increasing the efforts for maintaining the wells in production, in order to maximize the gas recovery factor in conditions of economic profitability. In this respect, a permanent concern of the specialists in this domain is represented by the adjustment of the compression capacities with the dynamics of the energetic parameters of every well belonging to these fields. This assumes the compression units installing as close to the well head in order to decrease the dynamic pressure, allowing the gas ratę increasing. On the other hand, decreasing the dynamic pressure at the well head, results also in reducing the minimum gas rate necessary for removal the liquid accumulated at the wells bottom, avoiding thereby the risk of the wells flooding. The pilot project of installing the portable compressors at the level of some gas groups operated by Romgaz, was a real success, the future perspectives regarding the production enhancing and revenue growth, based on this technology, being certainly.
    Źródło:
    AGH Drilling, Oil, Gas; 2014, 31, 2; 263-270
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal Balance of the Magneto-Hydro-Dynamic Pump for Recovery of Platinum Group Metals from Spent Auto Catalysts
    Autorzy:
    Gil, S.
    Bialik, W.
    Saternus, M.
    Fornalczyk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/356349.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    thermal balance
    magneto-hydro-dynamic pump
    platinum group metals
    Opis:
    Every new car should be equipped with the catalyst, which limits the amount of harmful chemical compounds such as NOx, CH and CO emitted to the air. Auto catalyst consists of the ceramic or metallic carrier, on which is the layer with Platinum Group Metals playing catalytic role. There are many methods using for recovery those valuable metals from spent auto catalyst, however evry of those methods have some limitations. Proces described in the article is the modified method of metal collector, which used magnetohydrodynamic pump. Rotary electromagnetic field generates in the liquid metal rotary current, which as a consequence washing out the PGM metals from the ceramic carriers. Considering the possibilities of commercialization of the described method, the energy balance was made. From that balance the energetic efficiency of the unit was determined and the analysis of the temperature distribution was shown thermographycally.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 1; 253-256
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geometric interpretation of a non-linear beam finite element on The Lie Group SE(3)
    Interpretacja geometryczna nieliniowego belkowego elementu skończonego w formalizmie grupy Liego SE(3)
    Autorzy:
    Sonneville, V
    Cardona, A
    Brüls, O
    Powiązania:
    https://bibliotekanauki.pl/articles/139939.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    dynamic beam
    finite element
    Lie group
    special Euclidean group
    wiązka dynamiczna
    element skończony
    grupa Liego
    Opis:
    Recently, the authors proposed a geometrically exact beam finite element formulation on the Lie group SE(3). Some important numerical and theoretical aspects leading to a computationally efficient strategy were obtained. For instance, the formulation leads to invariant equilibrium equations under rigid body motions and a locking free element. In this paper we discuss some important aspects of this formulation. The invariance property of the equilibrium equations under rigid body motions is discussed and brought out in simple analytical examples. The discretization method based on the exponential map is recalled and a geometric interpretation is given. Special attention is also dedicated to the consistent interpolation of the velocities.
    W ostatnim czasie autorzy zaproponowali geometrycznie dokładne sformułowanie dla belkowego elementu skończonego w oparciu o formalizm grupy Liego SE(3). Otrzymano szereg istotnych wyników numerycznych i teoretycznych prowadzących do efektywnej strategii obliczeniowej. Dla przykładu, formalizm ten pozwala uzyskać niezmiennicze równania równowagi przy ruchach ciała sztywnego i elemencie wolnym od blokowania siłami ścinającymi. W obecnym artykule autorzy zajmują się kilkoma istotnymi aspektami tego formalizmu. Właściwość niezmienniczości równań równowagi w warunkach ruchu ciała sztywnego przedyskutowano i zilustrowano prostymi przykładami analitycznymi. Przypomniano metodę dyskretyzacji opartą na mapowaniu wykładniczym i pokazano jej interpretację geometryczną. Specjalną uwagę poświęcono zgodnej interpolacji prędkości.
    Źródło:
    Archive of Mechanical Engineering; 2014, LXI, 2; 305-329
    0004-0738
    Pojawia się w:
    Archive of Mechanical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mutual relationships between the unemployment rate and the unemployment duration in the Visegrad Group countries in years 2001?2017
    Autorzy:
    Dmytrów, Krzysztof
    Bieszk-Stolorz, Beata
    Powiązania:
    https://bibliotekanauki.pl/articles/22446437.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Badań Gospodarczych
    Tematy:
    registered unemployment rate
    unemployment duration
    business cycle clock
    Dynamic Time Warping
    Visegrad Group countries
    Opis:
    Research background: The most important indicators that describe the situation on the labour market are the unemployment rate and the unemployment duration. If both these indicators are high, then the human capital deteriorates. Therefore, it seems justified to analyse the mutual relationships between them. Purpose of the article: The article aims at finding the relationships between the unemployment rate and the unemployment duration, and checking if the mutual courses of these two indicators in the Visegrad Group countries are connected with each other. Methods: The business cycle clock methodology will be used to analyse the relationship between the unemployment rate and the median unemployment duration. Next, the similarity of the course of these two indicators will be analysed by means of the Pearson product-moment correlation coefficient and the Dynamic Time Warping (DTW) technique. Findings & Value added: Amongst the analysed countries, Czechia, Poland and Slovakia were, to a certain degree, similar with respect to the mutual course of the unemployment rate and the unemployment duration. Until the peak of the financial crisis in 2009, the unemployment rate and the unemployment duration decreased. During the next years, the unemployment rate was increasing and after 2-3 years it was followed by the increase of the unemployment duration. The situation improved after the year 2013 ? both indicators were decreasing. In Hungary, on the contrary, the unemployment rate was increasing or steady until 2012, and during the following years it started to decrease. However, the course of the unemployment duration was completely different than in remaining countries. The value added of the article is application of the business clock cycle and the Dynamic Time Warping technique in finding the relationships and similarity of courses between the unemployment rate and the unemployment duration.
    Źródło:
    Equilibrium. Quarterly Journal of Economics and Economic Policy; 2019, 14, 1; 129-148
    1689-765X
    2353-3293
    Pojawia się w:
    Equilibrium. Quarterly Journal of Economics and Economic Policy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An identity-based broadcast encryption scheme for mobile ad hoc networks
    Autorzy:
    Ng, C. Y.
    Mu, Y.
    Susilo, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/309104.pdf
    Data publikacji:
    2006
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    dynamic mobile ad hoc network
    identity-based
    non-interactive
    secure communication protocol
    group key management
    Opis:
    Dynamic ad hoc networks facilitate interconnections between mobile devices without the support of any network infrastructure. In this paper, we propose a secure identity-based ad hoc protocol for mobile devices to construct a group key for a setup of a secure communication network in an efficient way and support dynamic changing of network topology. Unlike group key management protocols proposed previously in the literature, mobile devices can use our protocol to construct the group key by observing the others' identity, like the MAC address, which distinguishes the device from the others. In contrast to other interactive protocols, we only need one broadcast to setup the group key and member removal is also highly efficient. Finally, we discuss the security issues and provide security proofs for our protocol.
    Źródło:
    Journal of Telecommunications and Information Technology; 2006, 1; 24-29
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Arranging tasks of the laser cutter using the dynamic classification in conditions of unit and small batch production
    Autorzy:
    Mleczko, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/117912.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    dynamic classification
    operational production plan
    setup time
    group technology
    unit and small batch production
    TOC
    Opis:
    In conditions of unit and small batch production a very important role is played by time of product availability for the customer. Despite using modern management techniques setup time still play an important role in the production cycle time. In the examined companies the relation between rearmament times to processing times is still high. The above researches inspired the author to prepare the method of setup times’ reduction through proper arrangement of tasks in the operational production plan. Optimization of the daily production plans is based on two-level division of scheduling and arranging tasks. The method was validated in conditions of the production practice for unit and small batch manufacturing. An example of arranging tasks for the laser cutter was given. The presented method is one of elements of the computer aided expert system for SME.
    Źródło:
    Applied Computer Science; 2009, 5, 2; 96-109
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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