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    Wyświetlanie 1-4 z 4
    Tytuł:
    O budowie świata
    On the structure of Universe
    Autorzy:
    Kijeńska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/142710.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Przemysłu Chemicznego. Zakład Wydawniczy CHEMPRESS-SITPChem
    Tematy:
    budowa atomu
    cząstki elementarne
    struktura materii
    atom structure
    elementary particles
    matter structure
    Opis:
    Artykuł opisuje rozwój wiedzy o budowie materii, poczynając od czasów starożytnych, kończąc na obecnym stanie wiedzy. Omówione zostały starożytne indyjskie i greckie teorie atomu, podejście alchemików, rozwój współczesnej chemii pozwalający na wprowadzenie pojęcia pierwiastka, atomu, elektronu, historyczne modele budowy atomu: model Thomsona, Rutherforda, Bohra i Gryzińskiego. Krótko omówione zostały wybrane zagadnienia chemii kwantowej. Na koniec podsumowano obecny stan wiedzy o budowie atomu a także cząstkach elementarnych.
    The development of the knowledge on the matter structure was described, from ancient times to present. The ancient Indian and Greek theories of atom, the alchemists point of view were demonstrated, as well as the development of modern chemistry leading to the concepts of element, atom and electron. The historical models of atom structures of Thomson, Rutherford, Bohr and Gryziński were shortly discussed. The selected problems of quantum chemistry were briefly described. In the conclusion the present state on atom structure and elementary particles was summarized.
    Źródło:
    Chemik; 2011, 65, 12; 1290-1294
    0009-2886
    Pojawia się w:
    Chemik
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Substance and Dynamics: Two Elements of Aristotelian-Thomistic Philosophy of Nature in the Foundation of Mathematics in Physics
    Autorzy:
    Larenz, Rudolf
    Powiązania:
    https://bibliotekanauki.pl/articles/507266.pdf
    Data publikacji:
    2017-09-30
    Wydawca:
    International Étienne Gilson Society
    Tematy:
    Aristotle
    dynamics
    elementary particles
    experience
    hylomorphism
    mathematics
    natural realism
    physics
    scientific realism
    substance
    Opis:
    The article aims at proposing a way of solution to the problem why mathematics is efficient in physics. Its strategy consists in, first, identifying servere reductionisms performed on physical processes in order to have them correspond to mathematics. As this makes it impossible to understand the real relationship between matter and mathematics, a necessary step on the way to an understanding is to abandon the reductionisms from the very outset. Consequently, one is faced with the need of searching for mathematical elements in nature, as if there never had been any successful mathematics in physics. And for this search, one has to rely on experience alone. To this end, the article takes its inspiration from two pillars of Aristotelian philosophy of nature, the notions of ‘substance’ and ‘dynamics’, together with a careful examination of the treasure of accumulated experience in physics. Upon this basis, the hylomorphic structure of elementary particles, which are considered to be at the basis of all material substances, is the source for the most common features of the dynamical order of material things in general. This dynamical order, in turn, is quite likely to be reflected in mathematical terms. This is a novel approach because, at present, the most common framework for dealing with the question of mathematics in physics is Scientific Realism. It addresses the question why the existent physico-mathematical theories are successful. In order to find an answer, it starts from these theories and some methodological considerations, but does not address the question of where these theories stem from. In particular, it does not consider the possibility that these theories might, at least in part, stem from the material things they are referring to. The latter approach is what is suggested here. It is that of Natural Realism, of which Aristotle is an eminent representative.
    Źródło:
    Studia Gilsoniana; 2017, 6, 3; 451-483
    2300-0066
    Pojawia się w:
    Studia Gilsoniana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    EuCARD 2010 Accelerator Technology in Europe
    Autorzy:
    Romaniuk, R. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/226754.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    RF
    SRF
    superconducting RF
    electronic systems
    particle accelerators
    FEL lasers
    photon physics
    photonics
    elementary particles
    large research infrastructures in Europe
    European research projects
    Opis:
    Accelerators are basic tools of the experimental physics of elementary particles, nuclear physics, light sources of the fourth generation. They are also used in myriad other applications in research, industry and medicine. For example, there are intensely developed transmutation techniques for nuclear waste from nuclear power and atomic industries. The European Union invests in the development of accelerator infrastructures inside the framework programs to build the European Research Area. The aim is to build new infrastructure, develop the existing, and generally make the infrastructure available to competent users. The paper summarizes the first year of activities of the EU FP7 Project Capacities EuCARD - European Coordination of Accelerator R&D. Several teams from this country participate actively in this project. The contribution from Polish research teams concerns: photonic and electronic measurement - control systems, RF-gun co-design, thin-film superconducting technology, superconducting transport infrastructures, photon and particle beam measurements and control.
    Źródło:
    International Journal of Electronics and Telecommunications; 2010, 56, 4; 485-488
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    International Linear Collider Global and Local Implications
    Autorzy:
    Romaniuk, R. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/226596.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ILC
    ILC-GDE
    LCC
    SRF
    accelerators
    particle colliders
    linacs
    superconductivity
    high energy physics experiments
    elementary particles
    hadrons
    electron beams
    positron beams
    microwave resonant cavities
    high power 1,3 GHz systems
    superconducting RF electronics
    Opis:
    ILC machine–International Liner Collider, is one of two accelerators e+e-just under design and advanced consideration to be built with final energy of colliding electron and positron beams over 1 TeV. An alternative project to ILC is CLIC in CERN The ILC machine is an important complementary addition for the research potential of the LHC accelerator complex. The required length of ILC is minimally 30 km, but some versions of the TDR estimates mention nearly 50km. Superconducting RF linacs will be built using well established 1,3 GHz TESLA technology using ultrapure niobium or Nb3Sn resonant microwave cavities of RRR class, of ultimate finesse, working with gradients over 35MV/m, while some versions of the design mention ultimate confinement as high as 50MV/m. Several teams from Poland (Kraków. Warszawa, Wrocław – IFJ-PAN, AGH, UJ, NCBJ, UW, PW, PWr, INT-PAN) participate in the global design effort for this machine – including detectors, cryogenics, and SRF systems. Now it seems that the ILC machine will be built in Japan, during the period of 2016-2026. If true, Japan will turn to a world super-power in accelerator technology no.3 after CERN and USA. The paper summarizes the state-of-the-art of technical and administration activities around the immense ILC and CLIC machines, with emphasis on potential participation of Polish teams in the global effort of newly established LCC –The Linear Collider Consortium.
    Źródło:
    International Journal of Electronics and Telecommunications; 2014, 60, 2; 181-185
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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