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    Wyświetlanie 1-9 z 9
    Tytuł:
    Tra Ramo, Alessandro di Afrodisia e Averroè. Il commento di Francesco Vimercato (ca. 1512–ca. 1580) al libro XII della Metafisica di Aristotele
    Between Ramus, Alexander of Aphrodisias and Averroes. Francesco Vimercato’s Commentary to Book Twelve of Aristotle’s Metaphysics
    Autorzy:
    Facca, Danilo
    Powiązania:
    https://bibliotekanauki.pl/articles/938399.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    Aristotle
    Vimercato
    Metaphysics
    Prime Mover
    Renaissance
    Aristotelianism
    Opis:
    What kind of causality does the Aristotelian Prime Mover exert on the heaven? Who “loves” the Prime Mover? Renaissance peripatetic philosopher, Francesco Vimercato, a “royal” teacher of “Greek and Latin philosophy” in Paris during the forties and the fifties of the 16th century tried to resolve these traditional puzzles that resulted from the exegesis of the Metaphysics XII, 6–7. His solution appears to be innovative, if compared to the ancient and the medieval ones. It seems partially to prefigure the last two decades’ interpretations of Aristotelian “theology”.
    Źródło:
    Peitho. Examina Antiqua; 2012, 3, 1; 211-230
    2082-7539
    Pojawia się w:
    Peitho. Examina Antiqua
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Remarks on utilization of Marine Trent 30 gas turbine as prime mover on vessels
    Autorzy:
    Herdzik, J.
    Cwilewicz, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/246672.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    marine prime mover
    gas turbine
    propulsion
    gas-electric plant
    gas turbine utilization
    Opis:
    Utilization of gas turbines on vessels is a reality. It was presented the examples of utilization on ships of United States Navy and the Rolls-Royce suggestion for sharing on merchant shipping. It was mentioned the advantages of gas turbine MT30 with nominal power 36 MW or 40 MW prepared for marine utilization. It was stated the characteristics of specific fuel consumption, the shaft power rating, the MT30 operating envelope with propeller characteristics as a power receiver. It was given propositions of vessel types for MT30 utilization. It was discussed the remarks on maintenance requirements and needed systems for upkeep the turbine in good technical state for the possibility of full nominal power independent on ambient temperature. It was discussed the requirements of emissions from exhaust gasses to the atmosphere in comparison gas turbines to diesel engines as a one of important problems for utilization engines as prime movers on vessels in merchant shipping. In the end, some final remarks with Rolls-Royce statements are presented.
    Źródło:
    Journal of KONES; 2017, 24, 2; 91-97
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of selected models useful in ranking the root causes of explosions in marine engine crankcases
    Autorzy:
    Wiaterek, Daniel
    Chybowski, Leszek
    Powiązania:
    https://bibliotekanauki.pl/articles/24202590.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    marine diesel engine
    main engine
    prime mover
    crankcase explosion
    process modelling
    root causes
    Opis:
    This article aims to compile, describe and compare three different models taken from the literature describing the causes of explosions in the crankcases of marine engines. Each of the models has a different level of detail and was prepared with a different purpose. However, the same process, explosions in crankcases, was analyzed in all cases. A statistical evaluation of the frequency of events leading to explosions, a model built using failure mode and effects analysis (FMEA) and a model based on fault tree analysis (FTA) are described in turn. The FTA model drawn from the literature formed the basis for further analysis. Values of important measures of all elementary events of the fault tree were calculated using the Birnbaum reliability measure, Vesely-Fussell measure, Birnbaum structural measure, criticality measure and improvement potential. The percentage importance values of all events determined using these importance measures were compared. The results obtained from the application of each model were evaluated. The results of the models were compared with each other, and an approach using all three models supplemented with diversion analysis was proposed.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 72 (144); 77--85
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilization possibility of marine trent 30 gas turbine as prime mover on vessels
    Autorzy:
    Herdzik, J.
    Cwilewicz, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/241954.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    marine prime mover
    gas turbine
    propulsion
    gas-electric plant
    gas turbine utilization
    Opis:
    Gas turbines are used as marine prime movers but the market is dominated by the diesel engines (of course turbocharged but they are still diesels). The share of gas turbines is on a level of 4-5% in the worldwide shipping. It was presented the chosen parameters of Rolls-Royce gas turbine MT30 with nominal power 36 MW or 40 MW prepared for marine utilization. It is a good example of development of marine gas turbines with the trial to eliminate the effect of ambient temperature especially on turbine load. It was discussed the significance presented data for possibility of utilization on vessels. It was indicated the advantages and disadvantages of gas turbine sharing. It was mentioned the installation problems: pressure drop in inlet and outlet ducts on the accessible turbine power and specific fuel consumption. It was discussed what important parameters ought to be known for safe turbine operation and maintenance. There is a little information lack. The gas turbine ought not to be treat as a black box. In the end, some final remarks are presented.
    Źródło:
    Journal of KONES; 2017, 24, 3; 95-100
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Optimal Timing of Strategic Action – A Real Options Approach
    Autorzy:
    Sollars, Gordon G.
    Tuluca, Sorin A.
    Powiązania:
    https://bibliotekanauki.pl/articles/474956.pdf
    Data publikacji:
    2012
    Wydawca:
    Fundacja Upowszechniająca Wiedzę i Naukę Cognitione
    Tematy:
    first-mover advantage
    strategic action
    real option analysis
    simulation
    optimal investment
    dynamic programming
    Opis:
    The possibility of a first-mover advantage arises in a variety of strategic choices, including product introductions, business start-ups, and mergers and acquisitions. The strategic management literature reflects ambiguity regarding the likelihood that a first mover can or will capture additional value. This paper uses a real options approach to address the optimal timing of strategic moves. Previous studies have modeled real options using either a perpetual or a European financial option. With these models, a strategic choice could only be made either without respect to a time frame (perpetual) or at a fixed point in time (European option.) Neither case is realistic. Companies typically have strategic options with only a limited time frame due to market factors, but companies may choose to act at any time within that constraint. To reflect this reality, we adapt a method for valuing an American financial option on a dividend paying stock to the real options context. The method presented in this paper proposes a solution for the optimum value for a project that should trigger a strategic choice, and highlights the value lost by not acting optimally. We use simulation results to show that the time frame available to make a strategic choice has an important effect on both the project value for when action should be taken, as well as on the value of waiting to invest at the optimal time. The results presented in this paper help to clarify the ambiguity that is found in the strategic management literature regarding the possibility of obtaining a first-mover advantage. Indeed, a first mover that acts sub-optimally could incur losses or at least not gain any advantage. A first mover that waits to invest at the right time based on the superior information supplied by models based on real options could be better positioned to obtain the benefits that might come from the first move.
    Źródło:
    Journal of Entrepreneurship, Management and Innovation; 2012, 8, 2; 78-95
    2299-7075
    2299-7326
    Pojawia się w:
    Journal of Entrepreneurship, Management and Innovation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wybrane aspekty taoistycznej praktyki wéiwúwéi
    Autorzy:
    Romer, Wacław
    Powiązania:
    https://bibliotekanauki.pl/articles/970043.pdf
    Data publikacji:
    2015
    Wydawca:
    Fundacja Pro Scientia Publica
    Tematy:
    wuwei
    weiwuwei
    dao
    taoizm
    anarchizm
    wychowanie
    nieruchomy poruszyciel
    daoism
    upbringing
    anarchism
    unmoved mover
    Opis:
    Artykuł ma na celu zbadanie wybranych aspektów zalecanej przez Dàodéjīng praktyki wéiwúwéi (為無為) poprzez spojrzenie na nią w różnych kontekstach. Postawionych jest pięć tez: (1) w Dàodéjīng czytamy o ontologicznej zasadzie głoszącej, że funkcjonalność bytu jest konstytuowana przez jego strukturę będącą niebytem; (2) wéiwúwéi może być realizowane jako inspiracja przykładem; (3) wéiwúwéi może być realizowane jako efekt transcedentalnej bądź psychologicznej transformacji podmiotu polegającej na wyzwoleniu sprawstwa z uwarunkowań; (4) wéiwúwéi może być realizowane jako przyzwolenie na błędy podwładnych; (5) proponowany przez Dàodéjīng ideał władcy charakteryzuje niska preferencja czasowa.
    The article aims to explore some aspects of the wéiwúwéi (為無為) practice recommended by the Dàodéjīng by examining it in various contexts. Five theses are postulated: (1) we read in the Dàodéjīng about an ontological principle which states that the functionality of the entity is determined by its structure which is a nonentity; (2) wéiwúwéi can be performed by inspiring by personal example; (3) wéiwúwéi can be realized as a result of a transcendental or psychological transformation of the subject by liberating the agent from conditions; (4) wéiwúwéi can be performed as permission for the errors of one's subordinates; (5) The ideal ruler as proposed by the Dàodéjīng is characterized by low time preference.
    Źródło:
    Ogrody Nauk i Sztuk; 2015, 5; 15-22
    2084-1426
    Pojawia się w:
    Ogrody Nauk i Sztuk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The loading test of a motor for easy-mover
    Próba obciążenia silnika urządzenia do przemieszczania przez przetaczanie (easy mover)
    Autorzy:
    Skala, B.
    Kus, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/158788.pdf
    Data publikacji:
    2011
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Elektrotechniki
    Tematy:
    urządzenie poruszające
    bęben do zwijania
    silnik elektryczny
    akumulator
    mover
    rollable objects
    rolls
    reels
    electrical motor
    accumulators
    Opis:
    The machine - called "EasyMover", saves the drudgery,especially in companies producingheavy rollable things. The typical roll of paper weighs 5 tons, the reel of a cable up to 15 tons. To move such an object in the storage room or distribution shed using manpower is drudgery, being dangerous as well. Due to this fact, the workers use a simple mechanical device powered by compressed air to move heavy reels. However, the air pressure hose is the main disadvantage of this solution: The free movement is restricted. Our task is to develop the same device (EasyMover), powered by an electrical motor and supplied by accumulators.
    Maszyna nazwana "Easy Mover" oszczędza pracę, zwłaszcza w firmach produkujących ciężkie przedmioty, które można poruszać, tocząc je. Typowa rolka papieru waży 5 ton, zwój kabla 15 ton. Przemieszczanie takich obiektów w magazynach lub składach dystrybucyjnych siłami pracowników jest bardzo pracochłonne oraz niebezpieczne. W związku z tym robotnicy używają prostego urządzenia mechanicznego napędzanego sprężonym powietrzem, służącego do przemieszczania ciężkich krążków. Główną wadą tego rozwiązania jest przewód (wąż) wysokiego ciśnienia, który ogranicza swobodę ruchu. Naszym zadaniem jest opracowanie takiego urządzenia, które będzie napędzane silnikiem elektrycznym i zasilane prądem z akumulatora ("Easy Mover").
    Źródło:
    Prace Instytutu Elektrotechniki; 2011, 253; 95-102
    0032-6216
    Pojawia się w:
    Prace Instytutu Elektrotechniki
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing the topicality of the problem related to the explosion of crankcases in marine main propulsion engines (1972–2018)
    Autorzy:
    Wiaterek, Daniel
    Chybowski, Leszek
    Powiązania:
    https://bibliotekanauki.pl/articles/24202539.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    crankcase explosion
    fire safety
    human casualties
    marine diesel engine
    main engine
    marine engine
    prime mover
    main propulsion system
    incident
    accident
    internal combustion engine
    trunk piston engine
    crosshead engine
    Opis:
    The purpose of this paper is to present the results of a query aimed at assessing the validity of the topic of crankcase explosions prevention in the main marine engines. The study takes into account the engine type, engine manufacturer, ship’s age, accident severity, ship’s location at the time of the incident, and the share of fatal accidents in the analyzed population of crankcase explosions. One of the primary hazards associated with offshore and deep-sea ship operations – and primarily ship power plants – are fires and explosions that result in accidents and incidents with an average frequency of 60 days. This paper discusses the actuality of crankcase explosion hazards in the main propulsion engines of various types of sea vessels. The assessment was made based on the results of a statistical analysis of historical data from 1972 to 2018. The methodology consisted of three stages: (1) a selection query to obtain the source data, (2) analysis of the obtained results (data separation, extraction of additional information, and statistical analysis), (3) synthesis of the obtained information, and drawing conclusions about the numerical indicators describing the statistical distribution of individual events for the given evaluation criteria. The analysis showed that the risk of crankcase explosions affects ships of all ages – both in crosshead (31%) and trunk piston engines (61%) – and that the number of serious incidents (67%) remained constant over the investigated period. Half of all incidents occurred on vessels younger than 15 years old. 58% of explosions took place in engines of the most popular prime movers manufacturers. The probability that a main engine crankcase explosion will result in injury or death is 17.34%.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 71 (143); 33--40
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trzy rozumienia „generatio” w herezji Ariusza oraz sposoby ich przezwyciężenia w tekstach Tomasza z Akwinu
    Three ways of understanding generatio in heresy of Arius and ways to overcome them in the texts of Thomas Aquinas
    Autorzy:
    Gałuszka, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/452638.pdf
    Data publikacji:
    2013
    Wydawca:
    Naukowe Towarzystwo Tomistyczne
    Tematy:
    Ariusz
    Tomasz z Akwinu
    zmiana metafizyczna
    niezmienny
    rodzenie
    ginięcie
    wieczny
    niezniszczalny
    nieruchomy
    akt i możność
    niebyt
    Pierwszy Nieruchomy Poruszyciel
    Myśl Myśląca Siebie
    Arius
    Thomas Aquinas
    change of methaphisc
    unchanging
    giving birth
    extinction
    eternal
    indestructible
    immovable
    unchangeable
    act and
    potency
    non-existence
    first mover Still
    Think Thinking Himself
    Opis:
    In this article I present a philosophical considerations of theological heresy of presbyter Arius from the perspective of Aquinas’ criticism included in his works, with special honors Summa contra Gentiles. I show the role of Aristotle’s philosophy in creating the ancient Arianism, as well as its scholastic overcome. Analyzing the arguments of Arius, I familiarize myself with the concept of birthing Word as metaphysical substantial change, the transition from potency to act or movement perfecting. We are getting to know the thinking of Aquinas, exploring arguments of Alexandrian presbyter with the help of the same philosophy of Stagirite and winning this timeless intellectual startup.
    Źródło:
    Rocznik Tomistyczny; 2013, 2; 69-77
    2300-1976
    Pojawia się w:
    Rocznik Tomistyczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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