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Wyświetlanie 1-4 z 4
Tytuł:
Nonlinear modelling of a bridge: A case study-based damage evaluation and proposal of Structural Health Monitoring (SHM) system
Autorzy:
Fawad, Muhammad
Koris, Kalman
Salamak, Marek
Gerges, Michael
Bednarski, Lukasz
Sienko, Rafal
Powiązania:
https://bibliotekanauki.pl/articles/2174024.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
most żelbetowy
metoda elementów skończonych
metoda nieniszcząca
monitorowanie stanu konstrukcji
pęknięcie
czujnik
reinforced concrete bridge
finite element method
non-destructive method
structural health monitoring
crack
sensor
Opis:
Monitoring and structural health assessment are the primary requirements for performance evaluation of damaged bridges. This paper highlights the case-study of a damaged Reinforced Concrete (RC) bridge structure by considering the outcomes of destructive testing, Non-Destructive Testing (NDT) evaluations, static and 3D non-linear analysis methods. Finite element (FE) modelling of this structure is being done using the material properties extracted by the in-situ testing. Analysis is carried out to evaluate the bridge damage based on the data recorded after the static linear (AXIS VM software) and 3D non-linear analysis (ATENA 3D software). Extensive concrete cracking and high value of crack width are found to be the major problems, leading to lowering the performance of the bridge. As a solution, this paper proposes a proper Structural Health Monitoring (SHM) system, that will extend the life cycle of the bridge with minimal repair costs and reduced risk of failure. This system is based on the installation of three different types of sensors: Liquid Levelling sensors (LLS) for measurement of vertical displacement, Distributed Fiber Optic Sensors (DFOS) for crack monitoring, and Weigh in Motion (WIM) devices for monitoring of moving loads on bridge.
Źródło:
Archives of Civil Engineering; 2022, 68, 3; 569--584
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Supplementation of omega-3 acids reduces the risk of aggression
Autorzy:
Mroczek, Ann
Pawlicka, Marta
Bałabuszek, Kamil
Pietrzyński, Łukasz
Bednarski, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/1177740.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
3n-PUFAs
aggression
omega-3 fatty acids
Opis:
Aggression is the growing problem in society. Therefore it is important to identify potential factors preventing aggression. In recent years scientists have observed decreased concentrations of omega-3 acids in people prone to aggression. This discovery suggested that the key to reducing aggression could be omega-3 acids supplementation. The aim of this study is to describe whether omega-3 acids consumption may result in reduction of aggressive behavior. Standard up-to-date criteria were followed for review of the literature data. A search for English-language articles in PubMed database was performed. Papers published between 2014 and 2017 were reviewed. In randomized study scientist discovered that omega-3 acids supplementation results in 42-68% reduction of parental complaints about aggressive behaviors in children. The improvement of behavior persisted for six months after cessation of treatment. Scientists in 2015 found out that in the prison population low levels of omega-3 acids in the blood correlate with more aggressive behavior. Patients in treatment group were characterized by more than 30% reduction in aggressive behaviors comparing to placebo group. In another review study we can notice the same conclusions. Aggression against others and impulsivity were lower in the group receiving omega-3 acids. A greater susceptibility to aggression has been observed among patients who have lower levels of omega-3 acids in their blood. Scientists have demonstrated positive omega-3 effects on the reduction of aggressive behavior. Omega-3 supplementation is safe and well tolerated and it can be used in combination with other methods of aggression treatment.
Źródło:
World Scientific News; 2018, 101; 237-245
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of IQT on research in ICT
Autorzy:
Bednarski, Bogdan J.
Lepak, Łukasz E.
Łyskawa, Jakub J.
Pieńczuk, Paweł
Rosoł, Maciej
Romaniuk, Ryszard S.
Powiązania:
https://bibliotekanauki.pl/articles/2055259.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ICT
control theory
IQT
Information Quantum Technologies
Quantum 2.0
applications of IQT
quantum systems
qubit neural networks
quantum time series forecasting;
Quantum Reinforcement Learning
Opis:
This paper is written by a group of Ph.D. students pursuing their work in different areas of ICT, outside the direct area of Information Quantum Technologies IQT. An ambitious task was undertaken to research, by each co-author, a potential practical influence of the current IQT development on their current work. The research of co-authors span the following areas of ICT: CMOS for IQT, QEC, quantum time series forecasting, IQT in biomedicine. The intention of the authors is to show how quickly the quantum techniques can penetrate in the nearest future other, i.e. their own, areas of ICT.
Źródło:
International Journal of Electronics and Telecommunications; 2022, 68, 2; 259--266
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unmasking the nature of granulomatosis with polyangiitis – a diagnostic odyssey revealed through a compelling case report
Autorzy:
Sajdak, Piotr
Krużel, Aleksandra
Stodolak, Marcel
Bednarski, Artur
Ziajor, Seweryn
Turski, Mikołaj
Żurowska, Klaudia
Kłos, Kamil
Tomasik, Justyna
Dębik, Marika
Szydłowski, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/40614541.pdf
Data publikacji:
2024-06-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
autoimmune diseases
granulomatosis with polyangiitis
vasculitis
Opis:
Introduction and aim. Granulomatosis with polyangiitis (GPA), formerly known as Wegener’s granulomatosis, presents a formidable challenge in the realm of autoimmune diseases. Granulomatosis, characterized by vasculitis and granuloma formation, exhibits diverse clinical manifestations. The rarity of GPA is evident, with an estimated incidence between 0.4 and 11.9 cases per 1 million person-years. The aim of this report is to show the complex diagnostic challenges inherent in GPA, demonstrating the diagnostic process from initial symptoms. Description of the case. This case report unfolds the diagnostic journey of a 52-year-old Caucasian male. The presented case, initially suspected as a respiratory infection, led to a comprehensive investigation owing to persistent symptoms, abnormal blood counts, and elevated inflammatory markers. This narrative aims to depict the patient’s diagnostic journey. Key diagnostic tools include ANCA testing, imaging studies, and tissue biopsy. Pulmonary nodules, lymphangitic changes, and renal involvement culminating in a GPA diagnosis confirmed by positive ANCA and anti-PR3 antibodies. The successful management of this case involved a tailored therapeutic regimen, including cyclophosphamide and methylprednisolone, addressing both vasculitic and renal components. Conclusion. This case contributes to the understanding of atypical presentations of GPA, emphasizing the importance of a holistic and dynamic diagnostic approach.
Źródło:
European Journal of Clinical and Experimental Medicine; 2024, 22, 2; 462-468
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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