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    Wyświetlanie 1-7 z 7
    Tytuł:
    Recent development in ECR sources
    Autorzy:
    Bieth, C.
    Kantas, S.
    Sortais, P.
    Kanjilal, D.
    Rodrigues, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/148676.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    ion source
    ECR source
    superconducting coils
    high temperature superconducting wires
    high charge state ion source
    ion implantation
    Opis:
    Recent developments and improvements on the ECR ion source family at PANTECHNIK S.A. are presented. A lot of work has been done in the Ion Implantation Technology with the MICROGAN IndustryŽ source: more than 3 mA have been produced on B1+, P1+ and few hundred žAe on charge state 3+, 4+. Three other developments are described in this paper: a) the construction of the first source using high temperature superconducting coils (30 K) PKSUSŽ - Space Cryomagnetics (UK), in collaboration with NSC (New Delhi); b) the construction of the PHOENIX ECR source (used in the “1+/n+” process for radioactive beam) for different laboratories; c) and the first results on PK 2.45 (a cheap source working at 2.45 GHz) able to produce high current of monocharged beam. We will also present some special products for beam acceleration and diagnosis.
    Źródło:
    Nukleonika; 2003, 48,suppl.2; 93-98
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Internal marketing and organisational performance of SMEs in the EDV industrial sector
    Autorzy:
    Sousa, J. P,
    Krot, K.
    Rodrigues, R. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/125542.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    internal marketing
    performance
    industrial production sector
    EDV
    marketing wewnętrzny
    wydajność
    sektor produkcji przemysłowej
    Opis:
    Focusing on the industrial sector, this research aims to identify conditions for the implementation of internal marketing concepts among employees and its impact on the organisational performance. Only one study was found simultaneously integrating the two constructs. It concerned the cork processing industry alone, yet considered expanding the efforts – namely, using qualitative exploratory research in the form of 10 in-depth interviews based on a script of generally open questions – to the entire industry in the Portuguese region between rivers Douro and Vouga. The unit of analysis was constructed considering distinct features as well as activity criteria and the geographic location, thus ensuring the necessary heterogeneity. The results inform about the awareness of the internal marketing conceptualisation. The research found that all analysed enterprises had more or less structured model frames and worked with the conceptualisation of the guidance for the internal market, a strategic concern, and in some instances, this concept was an organisational desideratum in the sector. In addition to the lapse of the research according to a qualitative paradigm of exploratory nature, the main limitation is the need for objective sustainably of the results obtained through future quantitative studies to promote an integrated triangulation of their outcomes. The research allowed identifying the companies that use organisational models conducive to the individual well-being of employees and facilitating the desired orientation to the market.
    Źródło:
    Engineering Management in Production and Services; 2018, 10, 1; 55-64
    2543-6597
    2543-912X
    Pojawia się w:
    Engineering Management in Production and Services
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Triassic eucynodont Candelariodon barberenai revisited and the early diversity of stem prozostrodontians
    Autorzy:
    MARTINELLI, AGUSTÍN G.
    BENTO SOARES, MARINA
    DE OLIVEIRA, TÉO VEIGA
    RODRIGUES, PABLO G.
    SCHULTZ, CESAR L.
    Powiązania:
    https://bibliotekanauki.pl/articles/945630.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    cynodontia
    probainognathia
    prozostrodontia
    dinodontosaurus assemblage zone
    south america
    brazi
    Opis:
    The dental anatomy of Candelariodon barberenai from the Dino donto saurus Assemblage Zone (Pinheiros-Chiniquá Sequence, Santa Maria Supersequence, late Ladinian–early Carnian) of south Brazil, is redescribed. Candelariodon was originally classified as Eucynodontia incertae sedis and our analysis recovered this taxon deeply nested within Probainognathia, as the sister taxon of Potheriodon plus Prozostrodontia. The lower postcanine dentition of Candelariodon has several apomorphies shared with Prozostrodon, Santacruzgnathus, Brasilodon/Brasilitherium, and some basal mammaliaforms (Morganucodon, Megazostrodon), such as a lingual cingulum with discrete cusps e and g and two distinct morphologies in the tooth row. The reinterpretation of Candelariodon as a probainognatian cynodont more derived than Probainognathus and the rich Brazilian fossil record document an important adaptive radiation of non-mammaliaform prozostrodontians and closely related forms prior to the origin of the mammaliaform clade.
    Źródło:
    Acta Palaeontologica Polonica; 2017, 62, 3; 527-542
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Theoretical Elements in Fourier Analysis of q-Gaussian Functions
    Autorzy:
    Rodrigues, P S. S.
    Giraldi, G. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/375832.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    q-Gaussian kernel
    signal processing
    Opis:
    There is a consensus in signal processing that the Gaussian kernel and its partial derivatives enable the development of robust algorithms for feature detection. Fourier analysis and convolution theory have a central role in such development. In this paper, we collect theoretical elements to follow this avenue but using the q-Gaussian kernel that is a nonextensive generalization of the Gaussian one. Firstly, we review the one-dimensional q-Gaussian and its Fourier transform. Then, we consider the two-dimensional q-Gaussian and we highlight the issues behind its analytical Fourier transform computation. In the computational experiments, we analyze the q-Gaussian kernel in the space and Fourier domains using the concepts of space window, cut-o frequency, and the Heisenberg inequality.
    Źródło:
    Theoretical and Applied Informatics; 2015, 27, 2; 16-44
    1896-5334
    Pojawia się w:
    Theoretical and Applied Informatics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Definability in Infinitary Languages and Invariance by Automorphisms
    Autorzy:
    Rodrigues, Alexandre A.M.
    Filho, Ricardo C. Miranda
    de Souza, Edelcio G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1368480.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Opis:
    Given a $\mathcal L_{\alpha\beta} ^E$-structure $E$, where $\mathcal L_{\alpha\beta} ^E$ is an infinitary language, we show that $\alpha$ and $\beta$ can be chosen in such way that every orbit of the group $G$ of automorphisms of $E$ is $\mathcal L_{\alpha\beta} ^E$-definable. It follows that two sequences of elements of the domain $D$ of $E$ satisfy the same set of $\mathcal L_{\alpha\beta}$-formulas if and only if they are in the same orbit of $G$.
    Źródło:
    Reports on Mathematical Logic; 2010, 45; 119-133
    0137-2904
    2084-2589
    Pojawia się w:
    Reports on Mathematical Logic
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biotic interaction between spionid polychaetes and bouchardiid brachiopods: Paleoecological, taphonomic and evolutionary implications
    Autorzy:
    Rodrigues, S.C.
    Simoes, M.G.
    Kowalewski, M.
    Petti, M.A.V.
    Nonato, E.F.
    Martinez, S.
    del Rio, C.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/21792.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    biotic interaction
    spionid polychaete
    polychaete
    bouchardiid brachiopod
    brachiopod
    paleoecology
    evolution
    Brachiopoda
    Spionidae
    Caulostrepsis
    Bouchardia
    Cenozoic
    Brazil
    Opis:
    Shells of Bouchardia rosea (Brachiopoda, Rhynchonelliformea) are abundant in Late Holocene death assemblages of the Ubatuba Bight, Brazil, SW Atlantic. This genus is also known from multiple localities in the Cenozoic fossil record of South America. A total of 1211 valves of B. rosea, 2086 shells of sympatric bivalve mollusks (14 nearshore localities ranging in depth from 0 to 30 m), 80 shells of Bouchardia zitteli, San Julián Formation, Paleogene, Argentina, and 135 shells of Bouchardia transplatina, Camacho Formation, Neogene, Uruguay were examined for bioerosion traces. All examined bouchardiid shells represent shallow−water, subtropical marine settings. Out of 1211 brachiopod shells of B. rosea, 1201 represent dead individuals. A total of 149 dead specimens displayed polychaete traces (Caulostrepsis). Live polychaetes were found inside Caulostrepsis borings in 10 life−collected brachiopods, indicating a syn−vivo interaction (Caulostrepsis traces in dead shells of B. rosea were always empty). The long and coiled peristomial palps, large chaetae on both sides of the 5th segment, and flanged pygidium found in the polychaetes are characteristic of the polychaete genus Polydora (Spionidae). The fact that 100% of the Caulostrepsis found in living brachiopods were still inhabited by the trace−making spionids, whereas none was found in dead hosts, implies active biotic interaction between the two living organisms rather than colonization of dead brachiopod shells. The absence of blisters, the lack of valve/site stereotypy, and the fact that tubes open only externally are all suggestive of a commensal relationship. These data document a new host group (bouchardiid rhynchonelliform brachiopods) with which spionids can interact (interestingly, spionid−infested sympatric bivalves have not been found in the study area despite extensive sampling). The syn−vivo interaction indicates that substantial bioerosion may occur when the host is alive. Thus, the presence of such bioerosion traces on fossil shells need not imply a prolonged post−mortem exposure of shells on the sea floor. Also, none of the Paleogene and Neogene Bouchardia species included any ichnological evidence for spionid infestation. This indicates that the Spionidae/ Bouchardia association may be geologically young, although the lack of older records may also reflect limited sampling and/or taphonomic biases.
    Źródło:
    Acta Palaeontologica Polonica; 2008, 53, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Metric for calculation of system complexity based on its connections
    Autorzy:
    Paiva, J. R. B.
    Gomes, V. M.
    Rodrigues, B. A.
    Silva, L. F. A.
    Aniceto, B. C. M.
    Furriel, G. P.
    Calixto, W. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/136166.pdf
    Data publikacji:
    2017
    Wydawca:
    EEEIC International Barbara Leonowicz Szabłowska
    Tematy:
    complexity
    connections
    modeling
    simulation
    discrete event systems
    Opis:
    This paper proposes a methodology based on system connections to calculate its complexity. Two study cases are proposed: the dining Chinese philosophers’ problem and the distribution center. Both studies are modeled using the theory of Discrete Event Systems and simulations in different contexts were performed in order to measure their complexities. The obtained results present i) the static complexity as a limiting factor for the dynamic complexity, ii) the lowest cost in terms of complexity for each unit of measure of the system performance and iii) the output sensitivity to the input parameters. The associated complexity and performance measures aggregate knowledge about the system.
    Źródło:
    Transactions on Environment and Electrical Engineering; 2017, 2, 1; 67-73
    2450-5730
    Pojawia się w:
    Transactions on Environment and Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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