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A Goal-Oriented Error Estimator for Reduced Basis Method Modeling of Microwave Devices
PublikacjaThis letter proposes a novel a-posteriori error estimator suitable for the reduced order modeling of microwave circuits. Unlike the existing error estimators based on impedance function residuals, the new one exploits the residual error associated with the computation of the scattering matrix. The estimator can be effectively used in the Reduced Basis Method (RBM) to automatically generate reduced-order models. The results of numerical...
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Optimising approach to designing kernel PCA model for diagnosis purposes with and without a priori known data reflecting faulty states
PublikacjaFault detection plays an important role in advanced control of complex dynamic systems since precise information about system condition enables efficient control. Data driven methods of fault detection give the chance to monitor the plant state purely based on gathered measurements. However, they especially nonlinear, still suffer from a lack of efficient and effective learning methods. In this paper we propose the two stages learning...
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Wideband Macromodels in Finite Element Method
PublikacjaThis letter proposes a novel projection technique for accelerating Finite Element Method simulations. The algorithm is based on the Second-order Arnoldi Method for Passive Order Reduction (SAPOR). It involves generation of two projection bases and thanks to this it is applicable to the systems of equations, which contain the quadratic frequency-dependence in the input term, that arise when projection is applied locally in the selected...
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Model Order Reduction for Problems With Dispersive Surface Boundary Conditions
PublikacjaThis letter proposes a new scheme for reduced-order finite-element modeling of electromagnetic structures with nonlinear, dispersive surface boundary conditions, which optimally exploits the numerically stable and efficient MOR framework for second-order systems provided by SAPOR method. The presented results of numerical experiments for an example of a waveguide filter demonstrate the superior accuracy of the resulting reduced models...
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Large Hydrodynamic Thrust Bearings and Their Application in Hydrogenerators
PublikacjaLarge hydrodynamic thrust bearings are the bearings which, due to hydrodynamic lubrication, allow large axial load to be transferred from a moving part (shaft) to the stationary part via a thin layer of the lubricant (usually oil), thus providing extremely low friction and practically no wear. Hydrogenerators with vertical shafts are the most important application of large thrust bearings. Main design and scientific problems of...
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Application of the fluid–structure interaction technique for the analysis of hydrodynamic lubrication problems.
PublikacjaFluid–structure interaction technique seems to be one of the most promising possibilities for theoretical analysis of lubrication problems. It allows coupling of different physical fields in one computational task, taking into account the interaction between them. In this article, two sets of fluid–structure interaction analyses focusing on the bearing performance evaluation are presented. One analysis was applied to a water-lubricated...
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DYNAMIC MECHANICAL BEHAVIOUR OF GFRP COMPOSITES WITH SiO2 NANO PARTICLES REINFORCED EPOXY MATRIX
PublikacjaDynamic mechanic (DMA) tests were performed to compare the mechanical behaviour of glass fibre reinforced epoxy laminate composites with SiO2 nanoparticle reinforced matrix. The selection of the most promising nanoparticle concentrations was considered in terms of elastic modulus and glass transition temperature. The reference specimens (0% nanoparticles) did not contain diluent accordingly the results do not allow the exact comparison...
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Water absorption and blistering of glass fibre-reinforced polymer marine laminates with nanoparticle-modified coatings
PublikacjaMacro and microstructural damage was studied in typical glass fibre-reinforced polymer laminates with two types of coating systems – (a) isophtalic gel coat: pure or mixed with SiO2 nanoparticles 5 wt% (5%N) or 10 wt% (10%N) and (b) a two-layer coating system: urethane-modified vinyl ester-based gel coat and additional polyester barrier coat layer. Accelerated tests were performed at 50C for 50 days for specimens with nanoparticle-modified...
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Automatic Breath Analysis System Using Convolutional Neural Networks
PublikacjaDiseases related to the human respiratory system have always been a burden for the entire society. The situation has become particularly difficult now after the outbreak of the COVID-19 pandemic. Even now, however, it is not uncommon for people to consult their doctor too late, after the disease has developed. To protect patients from severe disease, it is recommended that any symptoms disturbing the respiratory system be detected...
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System diagnostyki oddechowej oparty na konwolucyjnych sieciach neuronowych
PublikacjaChoroby układu oddechowego człowieka od zawsze były obciążeniem dla całego społeczeństwa. Sytuacja stała się szczególnie trudna po wybuchu pandemii COVID-19. Jednak nawet teraz nierzadko zdarza się, że ludzie konsultują się ze swoim lekarzem zbyt późno, już po niepożądanym rozwinięciu się choroby. W celu ochrony pacjentów przed ciężką chorobą płuc, zaleca się jak najwcześniejsze wykrycie wszelkich objawów zaburzających pracę układu...
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Automatic Breath Analysis System Using Convolutional Neural Networks
PublikacjaDiseases related to the human respiratory system have always been a burden for the entire society. The situation has become particularly difficult now after the outbreak of the COVID-19 pandemic. Even now, however, it is common for people to consult their doctor too late, after the disease has developed. To protect patients from severe disease, it is recommended that any symptoms disturbing the respiratory system be detected as...
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Does the decline of red wood ants after clear-cutting favour epigeic arthropods?
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Vitamin D and Human Health
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Zastosowanie metod projekcji w algorytmach różnicowych elektrodynamiki obliczeniowej.
PublikacjaW pracy przedstawiono koncepcję poprawienia wydajności metody różnic skończonych metodąprojekcji Rayleigha-Ritza w przestrzeniach skończeniewymiarowych. Zastosowano oryginalną koncepcję budowy podprzestrzeni rzutowej, budowanej w oparciu o fizyczne własności rozwiązania. Zaprezentowano przykłady analizy wybranych struktur mikrofalowych.
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Integrated membrane bioreactors modelling: A review on new comprehensive modelling framework
PublikacjaIntegrated Membrane Bioreactor (MBR) models, combination of biological and physical models, have been representing powerful tools for the accomplishment of high environmental sustainability. This paper, produced by the International Water Association (IWA) Task Group on Membrane Modelling and Control, reviews the state-of-the-art, identifying gaps for future researches, and proposes a new integrated MBR modelling framework. In...
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Determination of amino acids in urine of patients with prostate cancer and benign prostate growth
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An Overview of the Application of Systems Biology in an Understanding of Chronic Rhinosinusitis (CRS) Development
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Neutrophilic Cathepsin C Is Maturated by a Multistep Proteolytic Process and Secreted by Activated Cells during Inflammatory Lung Diseases
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Optical metrology for high fidelity LCD-TV
PublikacjaW pracy przedstawiono aktualny stan metrologii optycznej wyświetlaczy ciekłokrystalicznych (LCD) i omówiono niedoskonałości obecnych technik pomiarowych występujące w charakteryzacji wyświetlaczy o wysokiej wierności odwzorowania. Zaprezentowano urządzenia, procedury pomiarowe i metody obróbki danych umożliwiajace obiektywną ocenę właściwości ciekłokrystalicznych odbiorników telewizyjnych.Metody te umożliwiają identyfikację artefaktów...
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Diagnostic potential for a serum miRNA neural network for detection of ovarian cancer
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The challenge of abandonment for the sustainable management of Palaearctic natural and semi-natural grasslands
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Reduced biodiversity in modernized villages: A conflict between sustainable development goals
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Cannot see the diversity for all the species: Evaluating inclusion criteria for local species lists when using abundant citizen science data
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High efficiency protocol of DNA extraction from Micromys minutus mandibles from owl pellets: a tool for molecular research of cryptic mammal species
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Ziziphora taurica subsp. taurica: Analytical Characterization and Biological Activities
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Silybum marianum glycerol extraction for the preparation of high-value anti-ageing extracts
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Tiliroside Combined with Anti-MUC1 Monoclonal Antibody as Promising Anti-Cancer Strategy in AGS Cancer Cells
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(1→3)-α-d-Glucooligosaccharides Increase the Killing Capacity of NK Cells against Selected Human Colon Cancer Cells
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In vivo anti-inflammatory and anti-allergic activities of cynaroside evaluated by using hydrogel formulations
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Flavonoids as tyrosinase inhibitors in in silico and in vitro models: basic framework of SAR using a statistical modelling approach
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Akebia quinata and Akebia trifoliata - a review of phytochemical composition, ethnopharmacological approaches and biological studies
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In Vitro Anticancer Potential of Jasione montana and Its Main Components against Human Amelanotic Melanoma Cells
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Glycerol and Natural Deep Eutectic Solvents Extraction for Preparation of Luteolin-Rich Jasione montana Extracts with Cosmeceutical Activity
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Determination of Flavonoids in Selected Scleranthus Species and Their Anti-Collagenase and Antioxidant Potential
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Anti-inflammatory Potential of Flavonoids from the Aerial Parts of Corispermum marschallii
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Combined computational-experimental approach to predict blood–brain barrier (BBB) permeation based on “green” salting-out thin layer chromatography supported by simple molecular descriptors
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Volatile organic compounds in gastrointestinal stromal tumour tissue originating from patient-derived xenografts
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The metabolic profiles of pterin compounds as potential biomarkers of bladder cancer—Integration of analytical-based approach with biostatistical methodology
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A Robust Method for Sample Preparation of Gastrointestinal Stromal Tumour for LC/MS Untargeted Metabolomics
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Sweeping of hydrophobic amines under inhomogeneous electric field and low surfactant concentration in micellar electrokinetic chromatography
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Urinary Nucleosides and Deoxynucleosides
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Antiproliferative Activity of Double Point Modified Analogs of 1,25-Dihydroxyvitamin D2 Against Human Malignant Melanoma Cell Lines
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Relationships between Linear Sprint, Lower-Body Power Output and Change of Direction Performance in Elite Soccer Players
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The associations between serum VEGF, bFGF and endoglin levels with microvessel density and expression of proangiogenic factors in malignant and benign ovarian tumors
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The influence of rest interval on total training load during 10 sets of the bench press exercise performed to concentric failure
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The Acute Post-Activation Performance Enhancement of the Bench Press Throw in Disabled Sitting Volleyball Athletes
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Abductor and adductor strength relation to sprint performance in soccer players
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Multilevel pharmacokinetics-driven modeling of metabolomics data
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CD105 and placental growth factor – Potent prognostic factors in childhood acute lymphoblastic leukaemia
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Na skrzyżowaniu, czy na rondzie
PublikacjaOd pewnego czasu obserwuję polaryzację poglądów na temat roli uniwersytetu. Jest ona widoczna zarówno w środowisku akademickim, jak i w jego otoczeniu. Oto kilka przykładów: Wyznawcy krajowych ram kwalifikacji (krk) okopali się na swoich stanowiskach i nie przyjmują do wiadomości opinii znaczącej części środowiska akademickiego, która widzi w krk wyłącznie biurokratyczne uciążliwości. Na szczęście ci pierwsi dostrzegli już pewne...