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Wyszukujesz frazę "SEM observation" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    How to prepare bacteria with adsorbed nanoparticles for SEM and TEM observations
    Autorzy:
    Pajerski, W.
    Golda-Cepa, M.
    Jarosz, M.
    Indyka, P.
    Pawlyta, M.
    Kotarba, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/286070.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    nanoparticles
    SEM observation
    TEM observation
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 67
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the Variability of the Composition of Sewage Sludge Before and After Drying Treatment – SEM Studies
    Autorzy:
    Kiper, Justyna
    Głowacka, Anna
    Rucińska, Teresa
    Powiązania:
    https://bibliotekanauki.pl/articles/124107.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    sewage sludge
    sewage sludge management
    SEM observation
    Opis:
    The aim of the study was to determine the physical and chemical properties of the sewage sludge from “Pomorzany” and “Zdroje” municipal wastewater treatment plants located in Szczecin, Poland. The paper presents the outcomes of SEM observation of dried and stabilized sewage sludge. The research on the obtained materials was conducted using reference methods; the images from a scanning electron microscope were used. The amount of sewage sludge produced with the methods of its management was presented. The technology of sludge management is based on its dehydration up to dry weight content of roughly 20% and then drying in contact dryers up to 90–92% dry weight, separately in both plants. Dried sewage sludge is subsequently burned in mechanical grid boilers at “Pomorzany” WWTP. The analyzed materials were characterized by the pH of 7.90–8.42, dry mass and average organic matter content were 18.949% and 68.903%, respectively. The elements identified in the largest amount on the surface of analyzed materials included calcium, iron, phosphorus, sulphur and silicon. The amount of phosphorus ranging from 1.82 to 3.44% indicates the possibility of using sewage sludge as organic fertilizer product or an alternative source of phosphorus.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 7; 45-52
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Degradation of Creep Resistant Ni - alloy During Aging at Elevated Temperature Part II: Structure Investigations
    Autorzy:
    Kaczorowski, M.
    Skoczylas, P.
    Krzyńska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/381511.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Ni-base superalloy
    structure investigations
    SEM observation
    TEM observation
    nadstop niklu
    badanie struktury
    obserwacja SEM
    obserwacja TEM
    Opis:
    The results of structure observations of Ni base superalloy subjected to long-term influence of high pressure hydrogen atmosphere at 750K and 850K are presented. The structure investigation were carried out using conventional light-, scanning- (SEM) and transmission electron microscopy (TEM). The results presented here are supplementary to the mechanical studies given in part I of this investigations. The results of study concerning mechanical properties degradation and structure observations show that the differences in mechanical properties of alloy subjected different temperature are caused by more advanced processes of structure degradation during long-term aging at 850K, compare to that at 750K. Higher service temperature leads to formation of large precipitates of δ phase. The nucleation and growth of needle- and/or plate-like, relative large delta precipitates proceed probably at expense strengthening γ" phases. Moreover, it can't be excluded that the least stable γ" phase is replaced with more stable γ' precipitates. TEM observations have disclosed differences in dislocation structure of alloy aged at 750K and 850K. The dislocation observed in alloy subjected to 750K are were seldom observed only, while in that serviced at high stress and 850K dislocation array and dislocation cell structure was typical.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 4; 45-50
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of corrosion resistance in physiological saline solution of two austenitic stainless steels – 316LV and REX734
    Autorzy:
    Romańczuk, E.
    Oksiuta, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/387266.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    REX734 austenitic stainless steel
    316 LV austenitic stainless steel
    potentiodynamic corrosion tests
    XRD analysis
    SEM observation
    Opis:
    In this work two austenitic stainless steels, REX734 and 316LV were tested in terms of their microstructure and corrosion properties. The REX734 is a newer generation stainless steel, with modified chemical composition, in comparison to the 316LV grade. Potentiodynamic study of corrosion resistance was conducted in physiological saline solution (0.9% NaCl solution). In spite of the similarities of microstructure, grain size and phase structure in both materials, the corrosion tests revealed that the REX734, with lower nickel and higher nitrogen content, had better corrosion resistance than 316LV. Repassivation potential in the REX734 was almost six times higher than for the 316LV steel. Superior corrosion resistance of the REX734 steel was also confirmed by surface observations of both materials, since bigger and more densely distributed pits were detected in 316LV alloy.
    Źródło:
    Acta Mechanica et Automatica; 2017, 11, 2; 91-95
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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