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    Wyświetlanie 1-4 z 4
    Tytuł:
    Adam Szweda, „Ród Grzymałów w Wielkopolsce”, Wydawnictwo Uniwersytetu Mikołaja Kopernika w Toruniu, Toruń 2001, ss. 403 + 34 tablice genealogiczne
    Autorzy:
    Pietras, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/689370.pdf
    Data publikacji:
    2003
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Źródło:
    Przegląd Nauk Historycznych; 2003, 2, 1
    1644-857X
    2450-7660
    Pojawia się w:
    Przegląd Nauk Historycznych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    W kwestii pochodzenia biskupa krakowskiego Jana Muskaty
    The problem of the Origin of Kraków bishop Muskata
    Autorzy:
    Pietras, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/18104446.pdf
    Data publikacji:
    2001
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    The bishop of Kraków called Muskata (ca 1250-1320) represented the most eminent politicians and Church dignitaries in the break-through period of Polish re-unification after the time of provincial disintegration. He was renowned as a staunch supporter of the Polish-Czech union and was hostile to the concept of unification on the basis of the Piast dynasty, which, in turn, was represented by Władysław Łokietek. One can assume Muskata’s national, social and province origin had impact upon his future political stand. Unfortunately, there are only very few contemporary source references to Muskata, and they are sometimes contradictory - some sources point to his German origin, while others make him originate from Wrocław. We can only identify his brother Stefan and sister Adelaida, Gerlach de Culpen’s wife, while we ignore the rest of the family. Muskata’s brother-in-low’s hometown was Culpin in Holstein and his relatives can be encountered in Silesia in the XlVth century. The meaning of the bishop’s nickname is unclear. Nor is the interpretation of his coats of arms preserved in one of the seals. Having analysed Zofia Koziowska-Budkowa’s research, I have accepted her hypothesis, which connects the nickname with nutmeg-apples, which his father, Wrocław merchant, traded in. On the other hand, I have rejected the hypothesis which makes Muskata come from the knightly family of the Wierzbnowie of Muszkowice. Having made an attempt to trace Muskala’s father in the environment of Wrocław citizens I have come to the conclusion that his probable father was a town council member of German origin, probably a stall-keeper and a retailer who dealt in, among other things, nutmeg-apples. 1 have pointed to a certain Jan (before 1280), who belonged to the above mentioned Wrocław wealthy citizens’ group and was recorded in the sources of the XIIIth century. I have also concluded that Muskata was born most probably in the main market of Wrocław or in stall-keepers’ street, both of which, around the year 1250, were flanked with rich stall-keepers’ houses. The above-mentioned conclusions are confirmed by numerous facts from the resource of Muskata’s political and Church activities, and even his personal life. I am of the opinion that the presented Silesian-German origin of the bishop was one of the most important reasons for his support to this re-unification concept which tended to tie Silesia and Małopolska with the Czech Kingdom. Citizens of Kraków and Wrocław also supported the same option.
    Źródło:
    Acta Universitatis Lodziensis. Folia Historica; 2001, 72; 5-25
    0208-6050
    2450-6990
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Historica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental Testing of Al-Si12/SiC Interpenetrating Composites (IPC) in Uniaxial Tension and Compression
    Autorzy:
    Pietras, Daniel
    Sadowski, Tomasz
    Boniecki, Marek
    Postek, Eligiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2203733.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    co-continuous composite
    Al-Si12/SiC
    interpenetrating composite
    tension
    compression tests
    Opis:
    The mechanical response of interpenetrating co-continuous composite Al-Si12/SiC3D was described for uniaxial tension and compression. The internal structure of the IPC was examined by optical microscopy and micro-CT. The apparent density and Young’s modulus were assessed theoretically and experimentally. Uniaxial tensile tests were performed using the prismatic samples of dimensions 1 mm × 2 mm × 30 mm. Cylindrical samples of diameters ϕ = 5 mm and height h = 10 mm were subjected to quasi-static uniaxial compressive loading. During tests, the side surfaces of the specimen were observed using a digital image correlation system (DIC) to find strain fields and to monitor the surface cracks development in the complex internal microstructure of the IPC. The analyzed two-phase ICP was manufactured using ceramic foam SiC infiltrated by alloy Al-Si12. This material finds application in cosmic, airplane, or automobile industries, due to their excellent tribological, heat distribution, and ballistic properties. Obtained results show different modes of microcracking and fracture of cylindrical and prismatic samples. They indicate the substantial influence of the ceramic skeleton on the behavior of the IPC under uniaxial states of loading. Different modes of damage related to the tension or compression loading were described in detail. The results can find application in the designing process of modern co-continuous IPCs and further development of the numerical models of degradation processes.
    Źródło:
    Archives of Metallurgy and Materials; 2023, 68, 1; 145--154
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Patogeneza proliferacyjnej witreoretinopatii
    Pathogenesis of Proliferative Vitreoretinopathy
    Autorzy:
    Bogatko, Joanna
    Kędzierski, Tomasz
    Cisiecki, Sławomir
    Pietras, Tadeusz
    Łyszcz, Weronika
    Szemraj, Janusz
    Powiązania:
    https://bibliotekanauki.pl/articles/30148725.pdf
    Data publikacji:
    2023
    Wydawca:
    Uczelnia Łazarskiego. Oficyna Wydawnicza
    Tematy:
    proliferacyjna witreoretinopatia
    przedarciowe odwarstwienie siatkówki
    przejście nabłonkowo-mezenchymalne
    proliferative vitreoretinopathy
    rhegmatogenous retinat detachment
    epithelial-mesenchymal transition
    Opis:
    Witreoretinopatia proliferacyjna (PVR) uznawana jest za najczęstszą przyczynę niepowodzenia operacyjnego leczenia przedarciowego odwarstwienia siatkówki. Obecnie PVR porównuje się z procesem nieprawidłowego gojenia ran, powstawaniem i obkurczaniem błon komórkowych po obu stronach powierzchni siatkówki i w komorze ciała szklistego, a także zwłóknieniami śródsiatkówkowymi. W rozwoju PVR wyodrębnia się kilka etapów: fazę niedokrwienia, stan zapalny, apoptozę, fazę migracji, proliferacji i transformacji, obkurczania się błon. Kluczową rolę w całym procesie odgrywają komórki nabłonka barwnikowego siatkówki, które (stymulowane m.in. przez czynniki zapalne) ulegają transformacji, tracąc cechy komórek nabłonkowych na rzecz cech komórek mezenchymatycznych, przypominających fibroblasty. Trwają badania molekularne, mające na celu lepsze zrozumienie patofizjologii PVR, oraz badania kliniczne środków zapobiegających powstawaniu PVR.
    Proliferative vitreoretinopathy (PVR) is considered the most common cause of failure in the surgical treatment of rhegmatogenous retinal detachment. Currently, PVR is compared to the process of abnormal wound healing characterized by the formation and shrinking of cell membranes on both sides of the retinal surface and in the vitreous body chamber, as well as intraretinal fibrosis. Several phases can be distinguished, i.e. the ischemic phase, inflammation, apoptosis, the phase of migration, proliferation and transformation, and the phase of membrane shrinking. A key role in the whole process is played by retinal pigment epithelial cells, which, stimulated, among other things, by inflammatory factors, undergo a transformation, losing the characteristics of epithelial cells in favor of those of fibroblast-like mesenchymal cells. Laboratory studies are underway for a better understanding of the pathophysiology of PVR, as well as clinical trials of various agents to prevent PVR.
    Źródło:
    Review of Medical Practice; 2023, XIX, 4; 20-26
    2956-4441
    2956-445X
    Pojawia się w:
    Review of Medical Practice
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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