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Wyszukujesz frazę "Mazeika, V." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Molecular and morphological identification of Isthmiophora melis (Schrank, 1788) Luhe, 1909 (Digenea: Echinostomatidae) from American mink and European polecat in Lithuania
    Autorzy:
    Nugaraite, D.
    Mazeika, V.
    Paulauskas, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/6578.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    molecular identification
    morphological identification
    Isthmiophora melis
    Digenea
    Echinostomatidae
    American mink
    European polecat
    Lithuania
    Źródło:
    Annals of Parasitology; 2016, 62, Suppl.
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Condition monitoring of roller bearings using different diagnostic methods
    Autorzy:
    Barzdaitis, V.
    Žemaitis, V.
    Žebelys, K.
    Pocius, Z.
    Mažeika, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/328900.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    warunki techniczne
    diagnostyka
    drgania
    łożysko toczne
    metoda udarowa (SPM)
    technical conditions
    diagnostics
    vibrations
    roller bearing
    shock pulse method
    Opis:
    This paper deals with condition monitoring and failure diagnostics of spherical roller bearing on adapter sleeve running in high technology Chemical industry machines. Two methods have been used: low frequency mechanical vibration (up to 1000 Hz) and high frequency mechanical vibration (up to 16000 Hz) monitoring method and a shock pulse method (SPM, frequency 32000 Hz). Machines have been tested in at free run and fully loaded. Results have been applied to in-crease reliability of diagnostic methods in a case when radial clearances inside a bearing are too small and there is no enough lubricant oil supply to bearings. Radial clearances and relative vibra-tion displacements of rotor shafts have been measured using proximity probes. The low frequency vibration excitation method is not efficient enough in failure diagnostics of bearings in comparison to high frequency and shock pulse methods. Both these methods together are efficient evaluating technical condition of heavy loaded roller bearings. The experiments have been provided with spherical roller bearings on adapter sleeve SKF 22228 CCK/W33 and SKF 22216 CJC 403.
    Źródło:
    Diagnostyka; 2004, 30, T. 1; 53-60
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of the piezoelectric thimble tactile device operating modes
    Autorzy:
    Bansevicius, R.
    Dragasius, E.
    Grigas, V.
    Jurenas, V.
    Mazeika, D.
    Zvironas, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/307079.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    skóra
    wymuszenie harmoniczne
    analiza elementów skończonych
    tactile sensation
    skin strain
    harmonic excitation
    finite element analysis
    Opis:
    A multifunctional device to transfer graphical or text information for blind or visually impaired is presented. The prototype using tactile perception has been designed where information displayed on the screen of electronic device (mobile phone, PC) is transferred by oscillating needle, touching the fingertip. Having the aim to define optimal parameters of the fingertip excitation by needle, the computational analysis of different excitation modes has been carried out. A 3D solid computational finite element model of the skin segment, comprising four main fingertip skin layers (stratum corneum, epidermis, dermis and hypodermis) was built by using ANSYS Workbench FEA software. Harmonic analysis of its stress–strain state under excitation with different frequency (up to 10000 Hz) and harmonic force (0.01 N), acting outer stratum corneum layer in normal direction at one, two or three points has been performed. The influence of the mode of dynamic loading of skin was evaluated (in terms of the tactile signal level) on the basis of the normal and shear elastic strain in dermis, where mechanoreceptors are placed. It is shown that the tactile perception of information, delivered by three vibrating pins, may be influenced by configuration of excitation points (their number and phase of loading) and the frequency of excitation.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2014, 16, 3; 135-143
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of compost on the accumulation of heavy metals in fruit of oilseed pumpkin (Cucurbita pepo L. var. styriaca)
    Autorzy:
    Danilcenko, H.
    Gajewski, M.
    Jariene, E.
    Paulauskas, V.
    Mazeika, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/962738.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    compost
    accumulation
    heavy metal
    fruit
    oilseed plant
    pumpkin fruit
    Cucurbita pepo var.styriaca
    municipal solid waste
    Opis:
    While it is true that heavy metals accumulate in soil easily, their removal is difficult. The organic fraction of municipal solid waste can be recycled into compost, although frequent application of biowaste may lead to the accumulation of heavy metals in soil. There is no deep-rooted tradition in Lithuania to make and use various biowaste composts, including the ones produced from municipal waste. The objective of this study has been to compare the accumulation of heavy metals in different parts of oilseed pumpkin fruit depending on the chemical composition of the compost the pumpkin plants had been supplied. The content of heavy metals (HM) was determined in the soil before the plant-growing experiment, and in biowaste composts of different origin. Green waste (GW) and municipal solid waste (MSW) composts were applied to soil as fertiliser. Heavy metal concentrations in the skin, flesh and seeds of the analysed pumpkin fruits did not exceed the maximum permissible concentrations established by the EU norms. Seeds of the investigated pumpkin cultivar Olivia are more sensitive to the effect of heavy metal accumulation than the other morphological fruit parts (skin and flesh). The highest amounts of the investigated heavy metals, except Cr, were determined in the seeds, while the lowest ones, except Cu, in the flesh of oilseed pumpkin fruits. The amount of heavy metals in pumpkin biomass was not directly related to their concentrations in the soil, which proves the fact that the transfer of heavy metals from soil to plant is determined primarily by metal bioavailability and by a plant species.
    Źródło:
    Journal of Elementology; 2016, 21, 1
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of compost on the accumulation of heavy metals in fruit of oilseed pumpkin (Cucurbita pepo L. var. styriaca)
    Autorzy:
    Danilcenko, H.
    Gajewski, M.
    Jariene, E.
    Paulauskas, V.
    Mazeika, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1189803.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    compost
    accumulation
    heavy metal
    fruit
    oilseed plant
    pumpkin fruit
    Cucurbita pepo var.styriaca
    municipal solid waste
    Opis:
    While it is true that heavy metals accumulate in soil easily, their removal is difficult. The organic fraction of municipal solid waste can be recycled into compost, although frequent application of biowaste may lead to the accumulation of heavy metals in soil. There is no deep-rooted tradition in Lithuania to make and use various biowaste composts, including the ones produced from municipal waste. The objective of this study has been to compare the accumulation of heavy metals in different parts of oilseed pumpkin fruit depending on the chemical composition of the compost the pumpkin plants had been supplied. The content of heavy metals (HM) was determined in the soil before the plant-growing experiment, and in biowaste composts of different origin. Green waste (GW) and municipal solid waste (MSW) composts were applied to soil as fertiliser. Heavy metal concentrations in the skin, flesh and seeds of the analysed pumpkin fruits did not exceed the maximum permissible concentrations established by the EU norms. Seeds of the investigated pumpkin cultivar Olivia are more sensitive to the effect of heavy metal accumulation than the other morphological fruit parts (skin and flesh). The highest amounts of the investigated heavy metals, except Cr, were determined in the seeds, while the lowest ones, except Cu, in the flesh of oilseed pumpkin fruits. The amount of heavy metals in pumpkin biomass was not directly related to their concentrations in the soil, which proves the fact that the transfer of heavy metals from soil to plant is determined primarily by metal bioavailability and by a plant species.
    Źródło:
    Journal of Elementology; 2016, 21, 1; 21-31
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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