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Wyszukujesz frazę "Marszałek, J." wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Przeobrażenia amfiboli w porfirach ryodacytowych z Zalasu koło Krakowa
    Alteration of amphiboles in ryodacitic porphyries from Zalas near Kraków (S Poland)
    Autorzy:
    Marszałek, M.
    Czerny, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/183353.pdf
    Data publikacji:
    2009
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Zalas
    porfiry
    amfibole
    pseudomorfozy
    metasomatoza
    porphyries
    amphiboles
    pseudomorphs
    metasomatic alterations
    Opis:
    The study was aimed at alteration of amphibole phenocrysts in the porphyries from Zalas. The alteration processes took place at the magmatic stage: development of orthopyroxenes and biotitization, and at the postmagmatic one: chloritization followed by argillitization and formation of feldspars, carbonate minerals, quartz, ilmenite, magnetite and hematite. Post-magmatic alteration resulted from hydrothermal processes of the metasomatic character.
    Źródło:
    Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2009, 35, 2/1; 159-166
    0138-0974
    Pojawia się w:
    Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Local Adhesive Surface Properties Studied by Force Microscopy
    Autorzy:
    Lekka, M.
    Lekki, J.
    Marszałek, M.
    Stachura, Z.
    Cleff, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1968773.pdf
    Data publikacji:
    1998-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    68.35.Gy
    Opis:
    Scanning force microscopy was used in the contact mode to determine the adhesion force between a mica surface and a silicon nitride tip. The measurements were performed in an aqueous solution of sodium and calcium chlorides. The adhesion force according to the Derjaguin-Landau-Verwey- Overbeek theory depends on the competition between two kinds of forces: van der Waals and electrostatic "double layer". Two different curves of adhesion force versus salt concentration were obtained from the experiment with monovalent and divalent ions. The tip-surface adhesion force was determined from a statistical analysis of data obtained from the force vs. distance retracting curves.
    Źródło:
    Acta Physica Polonica A; 1998, 93, 2; 421-424
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of dry mass content in pig liquid manure on its treatment with a filtration method
    Autorzy:
    Kowalski, Z.
    Makara, A.
    Marszałek, M.
    Hoffmann, J.
    Hoffmann, K
    Powiązania:
    https://bibliotekanauki.pl/articles/778774.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    pig manure treatment
    filtration method
    dry mass
    filtrate
    Opis:
    The present study examines the impacts of dry mass content in pig liquid manure on its treatment with a filtration method. Samples of liquid manure with variable dry mass content were subjected to treatment using phosphoric acid, sulfuric acid, lime milk and superphosphate, as well as to thermal treatment, while in the last phase of pressure filtration. Increased dilution of the manure resulted in a reduced raw materials consumption ratio and improved filtration process efficiency, which ranged from 408 to 3765 kg/m2/h. The highest filtration efficiency was achieved using manure containing 3% dry mass, while the lowest efficiency was observed in manure at 10% dry mass. The increase in liquid manure dilution also reduced chemical oxygen demand in the filtrate, which ranged from 15 062 to 3656 mg/l. An appropriate manure dilution level, under the constant parameters of the treatment process, reduced phosphorus content in the filtrate to < 10 mg/kg Chile simultaneously enriching the post-filtration sediment with this precious fertilizing component.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 3; 106-110
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    AFM, XRD and HRTEM Studies οf Annealed FePd Thin Films
    Autorzy:
    Perzanowski, M.
    Zabila, Y.
    Morgiel, J.
    Polit, A.
    Krupiński, M.
    Dobrowolska, A.
    Marszałek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1539149.pdf
    Data publikacji:
    2010-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    68.35.bd
    68.55.-a
    73.50.-h
    68.37.Yz
    Opis:
    Ferromagnetic FePd L $1_{0}$ ordered alloys are highly expected as forthcoming high-density recording materials, because they reveal a large perpendicular magnetocrystalline anisotropy [1]. The value of the magnetic anisotropy of FePd alloy strongly depends on the alloy composition, degree of alloy order as well as on the crystallographic grain orientation. In particular, to obtain the perpendicular anisotropy, it is necessary to get the films with (001) texture. One of the successful methods, which allows one to obtain highly ordered alloy, is a subsequent deposition of Fe and Pd layers, followed by an annealing at high temperature. This paper presents the study of the FePd thin alloy film structure changing in the result of high temperature annealing. During the annealing in high vacuum, the measurements of electrical resistance were performed, indicating the regions of different structure evolution. Changes in the crystal structure and surface morphology induced by thermal treatment were investigated by X-ray diffraction, atomic force microscopy, as well as high resolution transmission electron microscopy and then compared with electrical resistivity measurement. The slow thermal annealing of the deposited layers leads to the formation of L $1_{0}$ ordered FePd alloy with preferred (111) grain orientation. After the annealing at the highest used temperature, the dewetting process was observed, resulting in a creation of well oriented, regular nanoparticles.
    Źródło:
    Acta Physica Polonica A; 2010, 117, 2; 423-426
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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