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    Wyświetlanie 1-8 z 8
    Tytuł:
    Use of image data in rapid mapping
    Autorzy:
    Sanecki, J.
    Klewski, A.
    Stępień, G.
    Beczkowski, K.
    Bauer, R.W.
    Powiązania:
    https://bibliotekanauki.pl/articles/359834.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    remote sensing
    rapid mapping
    image map
    unmanned aerial systems (UAS)
    Opis:
    The topic of the publication is the presentation of the method of rapid mapping performation. Rapid mapping are performed in special situations, if a terrain is subjected to significant changes or a quick human reaction is needed. Such performation can be available both in paper and digital versions, published on on-line websites – depending on the needs. For rapid mapping almost every type of image data can be used. In rapid mapping different editorial rules are applicable, it is acceptable to make imaging legible with materials of much less detail. A scale of the design is determined based on the interpretation possibilities, and not on the base of predetermined resolution of the design.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2014, 39 (111); 145-150
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of in-feed larch sawdust anti-inflammatory effect in sows
    Autorzy:
    Tzika, E.D.
    Tassis, P.D.
    Papatsiros, V.G.
    Pferschy-Wenzig, E.M.
    Siochu, A.
    Bauer, R.
    Alexopoulos, C.
    Kyriakis, S.C.
    Franz, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/32099.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The study aimed to investigate the possible anti-inflammatory activity of larch sawdust as feed supplement in lactating sows’ diet and its possible effect on the prevalence of Postpartum Dysgalactia Syndrome under field conditions. In a Greek farrow-to-finish pig farm, fifteen sows were randomly and equally allocated to a negative control group (NC group), a positive control group (PC group), and a treatment group (LT group). The animals of the first two groups received 99% basic diet and 1% corn starch, while LT group animals received 99% basic diet and 1% larch sawdust. The whole trial period lasted 35 days (7 days prior to farrow – day of weaning). At parturition day, animals of the PC group received 2 ml of an anti-inflammatory drug intramuscularly (meloxicam, Metacam®, Boehringer Ingelheim Vetmedica), while the animals of both other groups, received 2 ml of normal saline. Results showed insignificant differences among experimental groups for parameters such as post-partum rectal temperature and piglets performance. On the contrary, a significant increase of mean milk lactation index was observed in LT and PC groups on the 4th day of lactation period, when compared with NC group (p=0.014). Additionally, mean IL-6 concentrations in blood in the LT group showed a tendency for reduction when compared with those found in NC, and insignificant difference (p>0.05) when compared with those observed in PC group 24 hours postpartum. Moreover, the respective TNFα mean level in the LT group at 24 and 72 hours after parturition was similar to that found in PC group, respectively) and significantly lower than that determined in the NC group (p=0.003, p=0.024. The results suggest a possible anti-inflammatory effect of larch sawdust in sows.
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 20, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radio wave propagation and single-cell coverage prediction of broadband radio access systems including passive reflectors
    Autorzy:
    Bauer, G.
    Freese, J.
    Jakoby, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/308364.pdf
    Data publikacji:
    2001
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    millimeter wave propagation
    LMDS
    coverage prediction
    passive reflectors
    Opis:
    This paper presents the scheme of a software planing tool for single microcells of broadband radio access systems operating at millimeter waves, providing local multipoint distribution services (LMDS), particularly in urban or suburban areas. The aim of this planing tool is to provide operators with information, which supports the assessment of the profitability by calculating link budgets and the area coverage and by roughly estimating the maximum number of potential customers, i.e. the total number of households in a certain area, as well as the number of customers (households) which will actually be covered from a site. A household is here considered as a single apartment or flat, thus a building usually consists of several households. This novel household-estimation model is able to estimate the number of households based only on the 3D-data of buildings, without using residential data. Besides the optimization of line-of-sight (LOS) coverage, also the possibility is considered to enhance the coverage into shadowed areas by using optimized reflectors as passive repeaters up to distances of 1 km from the base station, depending on the system margin and the rain climate zone. All calculations are based on 3D-databases of both, buildings and vegetation.
    Źródło:
    Journal of Telecommunications and Information Technology; 2001, 2; 21-30
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multilevel Converters
    Autorzy:
    Bauer, P.
    Kazmierkowski, M. P.
    Strzelecki, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/200223.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    przetwornik
    przetwornik wielopoziomowy
    multilevel converter
    converter
    Opis:
    The newest Special Section is intended to focus on recent research and trends in application of multilevel converters. Multilevel converters have been extensively developed over the last two decades and show several important advantages of power electronic circuits, such as: operation at high voltages, harmonics reduction, higher efficiency, modularity, smaller size and lower cost. Also, thanks to increasing interest in renewable energy systems (RES) and SGs, the development of multilevel converters is considerably accelerated. The papers included in the presented special section are grouped into the main categories that follow.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 5; 563-565
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Full-bridge MMC DC fault ride-through and STATCOM operation in multi-terminal HVDC grids
    Autorzy:
    Kontos, E.
    Tsolaridis, G.
    Teodorescu, R.
    Bauer, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/202064.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    DC current control
    DC fault
    HVDC converters
    HVDC transmission
    MMC
    multi-terminal network
    STATCOM
    prąd stały
    błąd DC
    przetwornica HVDC
    transmisja HVDC
    Opis:
    This paper investigates a control structure to enhance the DC fault ride-through capability of a full-bridge modular multilevel converter (MMC) station, while ensuring a stable controlled operation as a STATCOM during DC faults without the need for fault isolation. Taking advantage of the switching states of a full-bridge submodule, a DC current controller is proposed, which provides the DC voltage reference for the modulation when a DC fault is detected. By changing the outer controllers strategy from DC voltage or active power control to converter energy control during a fault, the decoupling of the converter operation from the DC side dynamics is realized. In this paper, the focus is on the control methodology at all times of operation and the evaluation of the STATCOM control during a fault. To this end, extensive simulations were performed on a three-terminal high voltage direct current (HVDC) grid in radial configuration and a pole-to-pole DC fault case was investigated. The results showed that the AC voltage and current were controlled within limits at all times, while the full-bridge MMC was able to provide reactive power support to the AC grid. Moreover, using the proposed control methodology, the transients at the operation transition points between STATCOM and inverter/rectifier operation were minimized and the stations were able to safely ride through the fault.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 5; 653-662
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quicklime application instantly increases soil aggregate stability
    Autorzy:
    Keiblinger, K.M.
    Bauer, L.M.
    Deltedesco, E.
    Holawe, F.
    Unterfrauner, H.
    Zehetner, F.
    Peticzka, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/24737.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    quicklime application
    soil aggregate
    stability
    liming
    soil management
    soil structure
    Źródło:
    International Agrophysics; 2016, 30, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Second Harmonic Generation in Spin-Glass Microstructures and Fabrication of Microstructures in IV-VI Epilayers
    Autorzy:
    Grabecki, G.
    Dietl, T.
    Cieplak, Marek
    Plesiewicz, W.
    Lenard, A.
    Skośkiewicz, T.
    Kamińska, E.
    Piotrowska, A.
    Żarecka, R.
    Springholz, G.
    Bauer, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1929753.pdf
    Data publikacji:
    1993-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    71.55.Jv
    Opis:
    We studied magnetoconductance of two different mesoscopic systems: microregions containing two-dimensional electron gas adjacent to a grain-boundary plane in bicrystals of Hg$\text{}_{0.79}$Cd$\text{}_{0.19}$Mn$\text{}_{0.02}$Te and photolithographically patterned microstructures of Pb$\text{}_{1-x}$Mn$\text{}_{x}$Se. In both systems universal conductance fluctuations and generation of the second-harmonic voltage were observed at T ≤ 1 K. Moreover, in the former system the second harmonic signal exhibited distinct rise when the sample was cooled below the spin-glass freezing temperature (100 mK).
    Źródło:
    Acta Physica Polonica A; 1993, 84, 4; 781-784
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of ionizing radiation for synthesis, modification & sterilization of novel biomaterials and innovative medical devices
    Autorzy:
    Rosiak, J. M.
    Adamus, A.
    Bauer, A.
    Czechowska-Biskup, R.
    Kadlubowski, S.
    Matusiak, M.
    Mozalewska, W.
    Olejnik, A. K.
    Rokita, B.
    Sawicki, P.
    Sowinski, S.
    Szafulera, K.
    Wach, R.
    Ulanski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/284822.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    biomaterials
    medical devices
    sterilization
    Źródło:
    Engineering of Biomaterials; 2016, 19, 138; 64
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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