Temat: system characteristics - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Probabilistic characteristics supporting the management of a production-supply system
Autorzy:: Galanc, T.
Kołwzan, W.
Pieronek, J.
Powiązania:: https://bibliotekanauki.pl/articles/406456.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: production-supply system
model of a system
system characteristics
Opis:: The construction of a model and quantitative measures have been presented aimed at improving the efficiency of a production-supply system described by a three-dimensional stochastic process. For this purpose, the laws governing the functioning of the system have been described, corresponding to the three different states of the stock level in the subsystem M. These laws generate the quantitative model of the examined system, which enables the construction of the proposed quantitative measures supporting the managing process of such a system.
Źródło:: Operations Research and Decisions; 2017, 27, 3; 51-63
2081-8858
2391-6060
Pojawia się w:: Operations Research and Decisions
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The optimization of the design strength characteristics of the frame of the tractor
Autorzy:: Babushkin, A. E.
Kosov, O.
Shekhovtsov, V.
Lyashenko, M.
Powiązania:: https://bibliotekanauki.pl/articles/243719.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: tractor
carrier system
strength characteristics
Opis:: At present there are a many constructions of the carrier systems of motor transport means, bodies with the systems of communications in the form of rigid triangles executed in the form. This makes it possible to assume that the technical solution has high efficiency and correctly it can be examined in application to the tractors. An increase in the hardness, strength and longevity of frame due to an increase in the dimensions of the profile used or improvement of technology and design of the welded connections, which decrease the stress concentration in the region of the welds, can prove to be not the most rational solution from the point of view of labor expense and material consumption. More preferable in this respect the frame, made in the form of three-dimensional truss in lower part of which is fastened running apparatus, and inside are located engine, transmission, panels of skin of cowling and cab, control station. But since farm in “pure” form because of the impossibility to have struts on the front is hardly possible, although the inclined cross connection in the aperture of front glass of cab and does not contradict the requirements of field of view, has sense to speak about skeleton type frame, where only the sidewalls and the top of body to a greater or lesser extent answer the classical determination of farm.
Źródło:: Journal of KONES; 2011, 18, 1; 10-14
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Specyfika zmian rodziny jako systemu naturalnego na przełomie XX i XXI wieku
The specificity of changes in the family as the natural system at the turn of the century
Autorzy:: Dubis, Małgorzata
Stepulak, Marian Zdzisław
Powiązania:: https://bibliotekanauki.pl/articles/2105258.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Wrocławski. Wydział Nauk Historycznych i Pedagogicznych. Instytut Pedagogiki. Zakład Historii Edukacji
Tematy:: rodzina
system
właściwości systemu rodzinnego
przemiany rodziny.
małżeństwo
family
characteristics of the family system
the transformation of the family
marriage
Opis:: Przedmiotem artykułu jest podjęcie naukowej refleksji nad specyfiką małżeństwa i rodziny jako systemu naturalnego na przełomie XX i XXI wieku. System rodzinny można rozpatrywać w różnych aspektach. Stąd też mówimy o ujęciu socjobiologicznym, psychodynamicznym, uczenia się, ujęcia kontekstualnego oraz o podejściu systemowym. Rodzina, jako naturalny system, posiada swoje właściwości, które jednocześnie stanowią fundamentalne kryteria do jego analizy i opisu. Wśród tych właściwości można wymienić, m.in. takie jak: zasada równowagi sił, tożsamość, zdolność do adaptacji, kształtowanie ról, hierarchiczna organizacja, własności sterownicze, właściwości sztywne, spoistość systemu, organizacja, mechanizacja, centralizacja, dominacja, ekwifinalność, dynamiczność, zmienność, ewoluowanie. Ostatnia część artykułu poświęcona jest istotnym elementom związanych z analizą przemian systemu rodzinnego na przełomie XX i XXI wieku.
The article is to take a scientific reflection on the specific nature of marriage and the family as a natural system at the turn of the twentieth and twenty-first centuries. The family can be seen in various aspects. Hence, we are talking about terms sociobiological naturalism, psychodynamic, learning, contextual approach and the approach system. The family as a natural system has its own characteristics, which together are the fundamental criteria for its analysis and description. These properties may include such as the principle of balance of power, identity, adaptability, shaping roles, hierarchical organization, ownership control, the properties of a rigid, cohesive system, organization, mechanization, centralization, domination, dynamism, variability, evolution. The last part of the article is devoted to the important elements related to the analysis of the transformation of the family system at the turn of the century.
Źródło:: Wychowanie w Rodzinie; 2017, XVI, (2/2017); 19-33
2082-9019
Pojawia się w:: Wychowanie w Rodzinie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: What characterises a good leader? A survey of organisational leaders in Poland
Autorzy:: Mnich, Joanna
Walaszczyk, Anna
Powiązania:: https://bibliotekanauki.pl/articles/18104663.pdf
Data publikacji:: 2022-08-02
Wydawca:: Szkoła Główna Handlowa w Warszawie. Kolegium Zarządzania i Finansów
Tematy:: leadership
leader
management
characteristics
quality system
organisation
Opis:: The article attempts to define the characteristics of a contemporary manager that determine being a leader in the 21st-century organisation. The way to achieve the assumed goal of the research was to conduct an own study among the managers of organisations in the sector of small and medium-sized enterprises in Poland. 48 top managers in 48 organisations were examined, obtaining information from them on the work, characteristics, principles, and roles of the organisation leader.
Źródło:: Journal of Management and Financial Sciences; 2022, 45; 81-91
1899-8968
Pojawia się w:: Journal of Management and Financial Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Integrated software tools supporting decision making on identification, prediction and optimization of complex technical systems operation, reliability and safety. Part 5. Integrated software tools application – Improved exemplary system operation and reliability characteristics prediction
Autorzy:: Blokus-Roszkowska, A.
Kołowrocki, K.
Salahuddin, H. M.
Powiązania:: https://bibliotekanauki.pl/articles/2069536.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system improvement
reliability characteristics
availability
software tools
Opis:: There is presented the application of the integrated software tools to the reliability of the improved exemplary complex technical system prediction. There are considered three ways of the exemplary system reliability improvement, i.e. a hot single reservation of its components, a cold single reservation of its components and replacing its components by the improved components with reduced intensities of departure from the reliability state subsets. Automatically obtained, using the computer program CP 8.16, the evaluations of these ways improved exemplary system unconditional multistate reliability function, the expected values and the standard deviations of its unconditional lifetimes in the reliability state subsets and the mean values of its lifetimes in the particular reliability states are presented. Moreover, in the case when the improved system is repairable, its renewal and availability characteristics are estimated using the computer program CP 8.8 with appropriately given data.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 307--322
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Determination of operating characteristics of naval gas turbines LM2500
Autorzy:: Pojawa, B.
Hołdowska, M.
Powiązania:: https://bibliotekanauki.pl/articles/247166.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: naval gas turbine
operating characteristics
power transmission system
Opis:: In the process of operation of naval gas turbine is necessary to know their parameters depending on their load, resulting from the swimming speed of the ship. The above equation is the operating characteristics. Classify them into: static (rotating, full-load, collaboration engine power with the receiver), dynamic (starting, acceleration and deceleration) and the universal. The paper presents the results of preliminary tests concern develop rotating characteristics an object of investigations work in the stationary states. The object of investigations was the main propulsion engines frigate type Oliver Hazard Perry which is supplied with the Polish Navy. The propulsion system consists of two naval gas turbine LM2500, reduction gear, shaft line and adjustable screw propeller. Preliminary tests were carried out during the departure of the ship to sea in a marine power plant. The measurements recorded in the engine load range from the minimum to the nominal used to develop characteristics. During the test engines have been simultaneous and the balanced load. In order to allow comparison of operating characteristics of engines tested, as well as references to the various weather conditions, the results of measurements on which it was set, brought to so-called "regulated by weather conditions". For these characteristics, using statistical analysis, were determined dependence of approximation. The received relationships can be used on need of technical diagnostics as well as the more far investigations of considered object of investigations.
Źródło:: Journal of KONES; 2011, 18, 4; 369-376
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Integrated software tools supporting decision making on identification, prediction and optimization of complex technical systems operation, reliability and safety. Part 3. Integrated software tools application – Exemplary system operation and reliability characteristics prediction
Autorzy:: Blokus-Roszkowska, A.
Kołowrocki, K.
Fu, X.
Powiązania:: https://bibliotekanauki.pl/articles/2069549.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system operation process
reliability characteristics
availability
prediction
software tools
Opis:: There is presented the application of the integrated software tools to the operation and reliability of an exemplary complex technical system prediction. The computer program CP 8.5 is used to determine the unconditional mean sojourn times and the limit transient probabilities of the exemplary system operation process at the particular operation states evaluations. Using the computer program CP 8.6 there are performed the evaluations of the exemplary system unconditional multistate reliability function, the expected values and the standard deviations of its unconditional lifetimes in the reliability state subsets and the mean values of its lifetimes in the particular reliability states. Finally, in the case when the system is repairable, its renewal and availability characteristics are estimated from the results of computer program CP 8.8.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 289--296
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Improvement of damping characteristics and index evaluation of a wind-PV-thermal-bundled power transmission system by combining PSS and SSSC
Autorzy:: He, Ping
Wu, Xinxin
Li, Congshan
Zheng, Mingming
Li, Zhao
Powiązania:: https://bibliotekanauki.pl/articles/140453.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: damping characteristics
eigenvalue analysis
power system stabilizer
wind-PV-thermal-bundled power system
Opis:: The grid integration of large-scale wind and solar energy affects the power flow of wind-PV-thermal-bundled power transmission systems and may introduce an unpredicted threat to the power system’s small signal stability. Meanwhile, a power system stabilizer (PSS) and static synchronous series compensator (SSSC) play an important role in improving the static and dynamic stability of the system. Based on this scenario and in view of the actual engineering requirements, the framework of wind-PV-thermal-bundled power transmitted by an AC/DC system with the PSS and SSSC is established considering the fluctuation of wind and photovoltaic power output and the characteristics of the PSS and SSSC. Afterwards, the situation model is constructed in the IEEE 2-area 4-unit system, and the influence of the PSS and SSSC on the system stability under different operating conditions is analyzed in detail through eigenvalue analysis and time-domain simulation. Finally, an index named the gain rate is defined to describe the improvement of the stability limitations of various wind-PV-thermal operating conditions with the PSS and SSSC. The results indicate (K) that the damping characteristics, dynamic stability and stability limitations for various wind-PV-thermal operating conditions of the wind-PV-thermal-bundled power transmission system can be significantly improved by the interaction of the PSS and SSSC.
Źródło:: Archives of Electrical Engineering; 2020, 69, 3; 705-721
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Sozdanie ehlektronnykh diagnosticheskikh sredstv gidravlicheskikh privodov kombajjnov na osnove dinamicheskikh perekhodnykh processov ikh funkcionirovanija
Creation of electronic diagnostic means of hydraulic drives of combines on the basis of dynamic transients of their functioning
Autorzy:: Jaremenko, V.
Kucenko, A.
Chernysh, O.
Bondar, M.
Powiązania:: https://bibliotekanauki.pl/articles/78245.pdf
Data publikacji:: 2014
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: hydraulic drive
diagnosis
combine
dynamic characteristics
technological operation
control system
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2014, 16, 3
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Analysis of component failures dependency influence on system lifetime
Autorzy:: Blokus-Roszkowska, A.
Powiązania:: https://bibliotekanauki.pl/articles/2069617.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: component failure dependency
reliability characteristics
limit reliability function
transportation system
Opis:: In the paper the results of the reliability investigation of multi-state homogeneous parallel-series systems with independent and dependent components are presented. The multi-state reliability functions of such systems and other reliability characteristics in both cases are determined under the assumption that their components have exponential reliability function. Moreover the asymptotic approach to the reliability evaluation of these systems is also presented and the classes of limit reliability functions for the considered systems in both cases are fixed. Finally, the presented theoretical results are applied to the reliability evaluation of the shipyard rope transportation system. The comparison of the multi-state exact and limit reliability functions of the considered transportation system under the assumption that its components are independent and under the assumption that its components have failure dependency is performed and illustrated graphically.
Źródło:: Journal of Polish Safety and Reliability Association; 2007, 1; 17--27
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Los túneles de la calle m-30 de Madrid. Características
Street tunnel Madrid M-30: characteristics
Autorzy:: Paricio, J. I. M.
Powiązania:: https://bibliotekanauki.pl/articles/373157.pdf
Data publikacji:: 2013
Wydawca:: Centrum Naukowo-Badawcze Ochrony Przeciwpożarowej im. Józefa Tuliszkowskiego
Tematy:: tunnel
technical characteristics
security systems
tunel
charakterystyka techniczna
system bezpieczeństwa
Opis:: La Calle M-30 es una calle peculiar en la ciudad de Madrid. La M-30 se trata de una vía de circunvalación de la ciudad. Una parte de su trazado, la Calle M-30, se encuentra soterrada, en el subsuelo. La Calle M-30 es un túnel. Desde el primer momento su construcción fue polémica. Exigió encontrar soluciones de construcción nada fáciles. En la actualidad se ha convertido en una vía de alta densidad de tráfico. Por su trazado, diferente en cada uno de sus tramos, y la densidad de tráfico exigieron el diseño de un sistema de seguridad muy riguroso. Se da cuenta de las características de esta calle.
The Street M-30 is a ”unique” street in the city of Madrid. The M-30 is a ring road of the city. A part of its layout, the Street M-30 is buried in the basement. The Street M-30 is a tunnel. The construction was controversial. Construction demanded solutions are not easy. At present is in a pathway of high traffic density. By its design, different in each of its sections, traffic density and the design demanded a very rigorous security system. In this article realizes the characteristics of this street.
Źródło:: Bezpieczeństwo i Technika Pożarnicza; 2013, 2; 127-135
1895-8443
Pojawia się w:: Bezpieczeństwo i Technika Pożarnicza
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: A hitherto unknown river type from the Archaean at Bhurkuli (Jharkhand, E India)
Autorzy:: van Loon, A. J.
De, S.
Powiązania:: https://bibliotekanauki.pl/articles/94253.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:: conglomerates
fluvial system
pebble characteristics
Precambrian
Singhbhum Craton
zlepieńce
system fluwialny
charakterystyka żwirkowa
prekambr
Opis:: The Archaean granitoid pluton of the Singhbhum craton in E India is overlain by Archaean to Palaeoproterozoic metasediments. These sediments are still poorly known and their stratigraphy is under debate. Several scattered, most probably Meso- to Neoarchaean, conglomerates are present in the state of Jharkhand that differ so much in characteristics that they are probably not related to each other. The sedimentology of a series of conglomerate patches and layers near Bhurkuli has been investigated, including the characteristics of the clasts. It is deduced on the basis of these characteristics and the sedimentological context that the Bhurkuli conglomerates represent the channel facies of a river system that differed from the types of fluvial systems that exist nowadays.
Źródło:: Geologos; 2017, 23, 2; 109-122
1426-8981
2080-6574
Pojawia się w:: Geologos
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Experimental study of precision angle encoder
Autorzy:: Uvarovas, Povilas
Kavaliauskas, Vilius
Kilikevičienė, Kristina
Kilikevičius, Artūras
Svilainis, Paulius
Matijošius, Jonas
Więckowski, Dariusz
Powiązania:: https://bibliotekanauki.pl/articles/1838330.pdf
Data publikacji:: 2020
Wydawca:: Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
Tematy:: precision encoder
measuring system
dynamic characteristics
angle encoder
shock
harmonic excitation
Opis:: The application of new and advanced production processes plays an important role in the development of the manufacturing industry. This trend is especially relevant to the automotive industry, where each element must ensure high quality requirements. Therefore, automating the automotive manufacturing process is necessary to ensure the highest level of control methods. For this purpose, various sensors are used, the signals of which are analyzed and the control plan itself is adjusted. Experimental investigations of a precision angle encoder were performed in the work. During the research, the dynamic characteristics of the created stand were determined. Experimental studies yielded the results of an experimental study of a precision angle encoder when the system is subjected to shock and harmonic excitation. In order to elucidate the effect of oscillations on the accuracy of a high-resolution coded precision angle encoder, primary electrical signals and their change under oscillations were recorded. Studies have shown that highresolution code-precision angle encoders have different design responses to dynamic effects depending on the direction of the vibrations acting.
Źródło:: Archiwum Motoryzacji; 2020, 90, 4; 5-14
1234-754X
2084-476X
Pojawia się w:: Archiwum Motoryzacji
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Zorientowanie na rozwój profesjonalny funkcjonariuszy Służby Więziennej – komunikat z badań
Autorzy:: Grudziewska, Ewa
Powiązania:: https://bibliotekanauki.pl/articles/2054576.pdf
Data publikacji:: 2020
Wydawca:: Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:: competences
personal characteristics
penitentiary system
development
kompetencje
cechy osobiste
więziennictwo
rozwój
Opis:: The conducted research relates to the interest in the personal and professional development of the Prison Service officers. The research was carried out using the diagnostic survey method, applying the Professional Development Orientation Scale (ZPR) by Gaś and the survey respondents were 72 officers of the Prison Service from the Lublin Custody Suite and the Penal Institution in Siedlce. The results indicate that the surveyed officers obtained a slightly higher average result in terms of their attitude towards developing professional competences than their personal characteristics. The personal variables include education and the job position determine the interest in professional development, with the most development-oriented are guards and respondents with secondary education.
Przeprowadzone badania dotyczą zainteresowania rozwojem osobowościowym i profesjonalnym funkcjonariuszy Służby Więziennej. Badania przeprowadzono metodą sondażu diagnostycznego przy pomocy Skali Zorientowania na Rozwój Profesjonalny (ZPR) autorstwa Zbigniewa B. Gasia. Objęto nimi 72 funkcjonariuszy Służby Więziennej z Aresztu Śledczego w Lublinie oraz z Zakładu Karnego w Siedlcach. Wyniki wskazują, że badani funkcjonariusze uzyskali nieznacznie wyższy średni wynik w zakresie nastawienia na rozwijanie kompetencji zawodowych aniżeli w zakresie posiadanych cech osobistych. Wśród zmiennych osobowych to wykształcenie i zajmowane stanowisko pracy determinują zainteresowanie rozwojem profesjonalnym, przy czym najbardziej zorientowani na rozwój są strażnicy oraz badani legitymujący się średnim wykształceniem.
Źródło:: Annales Universitatis Mariae Curie-Skłodowska, sectio J – Paedagogia-Psychologia; 2020, 33, 4; 175-189
0867-2040
Pojawia się w:: Annales Universitatis Mariae Curie-Skłodowska, sectio J – Paedagogia-Psychologia
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Dynamic modeling and analysis of helical gear-shaft-bearing coupled system
Autorzy:: Bai, Huan
Song, Chaosheng
Zhu, Caichao
Wang, Yawen
Ou, Zhuxiang
Powiązania:: https://bibliotekanauki.pl/articles/2055045.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: gear-shaft-bearing coupled system
dynamic characteristics
rotating speed
bearing clearance
Opis:: Considering bearing clearance, time-varying mesh stiffness, time-varying transmission error and shaft flexibility, a coupled gear-shaft-bearing dynamic model for a helical gear transmission is established. The influences of rotating speed, input torque load and bearing clearance on the dynamics are studied. Results show that the frequency and the magnitude of the peak response increase with the increase of load. As the bearing clearance increases, the amplitude of the dominant mesh frequency is significantly increased. Under lower speed, the clearance has a limited effect on the dynamic mesh force. However, under moderate and high speeds, the main peak response frequency of the dynamic mesh force is decreased as it increases.
Źródło:: Journal of Theoretical and Applied Mechanics; 2020, 58, 3; 743--756
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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