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Wyszukujesz frazę "Dzyuba, L." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Dynamics of electromechanical drive of suspended timbertransporting rope system
Autorzy:
Dzyuba, L.
Baryliak, V.
Powiązania:
https://bibliotekanauki.pl/articles/297819.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
suspended
timbertransporting rope system
rope system drive
dynamic model
dynamic force
torsional stiffness
Opis:
Dynamic loads of drive of suspended timbertransporting rope system with an electric motor are investigated. Developed a dynamic model of the electromechanical drive considering the changing of the electric motor’s moment during start-up and the resistance force moment. The changing of the resistance force moment is expressed through the changes in tension force of the pull-bearing rope systems in various manufacturing operations. In determining the moment of inertia of the drive drum is accounted multi-winding of rope. Research on dynamic load of system elements are made with the taking into account the influence of torsional stiffness of system parts and lifting capacity of the suspended timbertransporting rope system.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2016, 19(3); 245-256
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Resonant vibrations of the moving band saw blade with variable tension
Autorzy:
Dzyuba, L.
Khytriak, O.
Menshykova, O.
Rebeznyuk, I.
Powiązania:
https://bibliotekanauki.pl/articles/297975.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
transverse vibrations
resonance
band saw
tension force
speed
frequency response
Opis:
Resonant transverse bending vibrations of the band saw blade have been investigated taking into consideration variable in the time tension force of the blade and the external periodic perturbation. Amplitude of resonant vibrations of the band saw blade piece has been determined by the Bubnov-Galerkin method and basing on the idea of perturbation theory.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2015, 18(1); 49-59
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integrated stratigraphy of the reference sections for the Callovian-Oxfordian boundary in European Russia
Autorzy:
Kiselev, D.
Rogov, M.
Glinskikh, L.
Guzhikov, A.
Pimenov, M.
Mikhailov, A.
Dzyuba, O.
Matveev, A.
Tesakova, E.
Powiązania:
https://bibliotekanauki.pl/articles/2061021.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Callovian/Oxfordian boundary
Russian Platform
Northern Caucasus
reference section
integrated stratigraphy
GSSP
granica kelowej/oksford
rosyjska platforma
Kaukaz Północny
punkt odniesienia
zintegrowana stratygrafia
globalny stratotyp granicy
Opis:
The most complete succession of the Callovian-Oxfordian boundary recorded in European Russia is the Dubki section, where the authors have carried out integrated paleontological and magnetostratigraphical studies. A continuous sequence of the West-European biostratigraphic units in the interval from the Lamberti to the Cordatum Zones is present in this section, and 10 ammonite biohorizons have been recognized. Additional data concerning nannofossil assemblages, foraminifers, ostracods, belemnoids and the paleomagnetic polarity for the Dubki section are also presented. The Callovian-Oxfordian boundary, marked by FAD of the genus Cardioceras, is placed at the base of the scarburgense biohorizon. The paleontological richness and continuity of the succession make the Dubki section a possible GSSP candidate for the Callovian/Oxfordian boundary. Correlation of the Dubki ammonite succession with those of the other GSSP candidates, Redcliff Point and Thuoux, is proposed. Other sections studied in Russia have yielded some additional observations on the Callovian-Oxfordian boundary beds. Although in the Dubki section the praemartini biohorizon is not found, its existence is proved, however, in Orenburg region (Khanskaya Gora). In the Datchovskaya section (Northern Caucasus) the paucicostatum biohorizon is characterized by an unusual combination of Subtethyan and Boreal ammonites, including Kosmoceras, which is not typical of the paucicostatum biohorizon outside the Northern Caucasus.
Źródło:
Volumina Jurassica; 2013, 11, 1; 59--96
1896-7876
1731-3708
Pojawia się w:
Volumina Jurassica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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