Autor: Romanowski, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Pathogenesis and clinical consequences of iron overload in chronic hepatitis C - impact of host and viral factors related to iron metabolism
Autorzy:: Sikorska, K.
Romanowski, T.
Bielawski, K.P.
Powiązania:: https://bibliotekanauki.pl/articles/80838.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: antiviral therapy
chronic hepatitis C
clinical consequence
fibrosis
hepatocellular carcinoma
infection
interferon
iron metabolism
iron overload
liver cirrhosis
liver disease
liver transplantation
pathogenesis
ribavirin
virus replication
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2011, 92, 1
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Application of electrical capacitance tomography and artificial neural networks to rapid estimation of cylindrical shape parameters of industrial flow structure
Autorzy:: Garbaa, H.
Jackowska-Strumiłło, L.
Grudzień, K.
Romanowski, A.
Powiązania:: https://bibliotekanauki.pl/articles/140587.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: artificial neural networks
electrical capacitance tomography
flow parameters estimation
inverse problem
Opis:: A new approach to solve the inverse problem in electrical capacitance tomography is presented. The proposed method is based on an artificial neural network to estimate three different parameters of a circular object present inside a pipeline, i.e. radius and 2D position coordinates. This information allows the estimation of the distribution of material inside a pipe and determination of the characteristic parameters of a range of flows, which are characterised by a circular objects emerging within a cross section such as funnel flow in a silo gravitational discharging process. The main advantages of the proposed approach are explicitly: the desired characteristic flow parameters are estimated directly from the measured capacitances and rapidity, which in turn is crucial for online flow monitoring. In a classic approach in order to obtain these parameters in the first step the image is reconstructed and then the parameters are estimated with the use of image processing methods. The obtained results showed significant reduction of computations time in comparison to the iterative LBP or Levenberg-Marquard algorithms.
Źródło:: Archives of Electrical Engineering; 2016, 65, 4; 657-669
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Isothermal Transformation Ar1 Product Morphology and Kinetics of EN-GJS-600-3 Cast Iron
Autorzy:: Szykowny, T.
Giętka, T.
Ciechacki, K.
Panfil, L.
Romanowski, Ł.
Powiązania:: https://bibliotekanauki.pl/articles/381321.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: spheroidal cast iron
isothermal eutectoid reaction
transformation kinetics
żeliwo sferoidalne
izotermiczna reakcja eutektoidalna
kinetyka transformacji
Opis:: This work presents the qualitative and quantitative changes in the products of isothermal transformation (reaction) in a ductile cast iron austenite after supercooling to the temperature range Ar1. The austenitizing temperature considered in this work was 900, 960 or 1020°C. The eutectoid reaction was investigated by metallographic examination at a holding temperature right below Ar11 (820°C) or right below Ar12 (760°C). The quantitative metallographic examination was carried out with a light microscope (LM). The initial transformation stage products were identified with a transmission electron microscope (TEM). The selected samples were studied for chemical microsegregation of manganese, silicon, phosphorus, and carbon with an X-ray microanalyser (MAR). The tested cast iron material was found to predominantly feature a eutectoid reaction in the metastable system the ratio of which was increasing with the austenitizing temperature. The austenitizing temperature was found to be conducive to the evolution kinetics of individual phases and to the graphitization kinetics of the eutectoid cementite that was formed during the contemplated reaction.
Źródło:: Archives of Foundry Engineering; 2017, 17, 2; 119-124
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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