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Miniaturization of ESPAR Antenna Using Low-Cost 3D Printing Process
PublicationIn this paper, the miniaturized electronically steerable parasitic array radiator (ESPAR) antenna is presented. The size reduction was obtained by embedding its active and passive elements in polylactic acid (PLA) plastic material commonly used in low-cost 3D printing. The influence of 3D printing process imperfections on the ESPAR antenna design is investigated and a simple yet effective method to...
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Photocatalytic ozonation using doped TiO2 catalysts for the removal of parabens in water
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2-Chlorophenol photooxidation using immobilized meso-tetraphenylporphyrin in polyurethane nanofabrics
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Design of dimensionally stable composites using efficient global optimization method
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MLPG Method using kd-trees and its application to Flamant Problem
PublicationW pracy przedstawiono rozwiązanie problemu Flamanta z zastosowaniem metody bezsiatkowej MLPG. Oryginalnym pomysłem była aplikacja algorytmu kd-drzew do poszukiwania najbliższych punktów interpolacji dla funkcji radialnych.
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Speech formant frequency and pitch estimation using instantaneous complex frequency
PublicationW pracy opisany został algorytm estymacji częstotliwości podstawowej oraz częstotliwości środkowych i pasm formantów mowy z wykorzystaniem zespolonej pulsacji chwilowej. W artykule przedstawiono również wyniki działania algorytmu dla polskich samogłosek.
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Information technology assessment using a functional prototype of the agent based system
PublicationIn the paper authors present the progress of works related with the agent-based system serving the purpose of information technology assessment. Currently this is a prototype including agents, the knowledge base and the ontology; the domain incorporated by the assessment-enterprise managing technologies with special attention paid to technologies directed to IT projects. In this paper, besides indication of expected functionalities...
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Microstrip four-port circulator using a ferrite coupled line section
PublicationW artykule przedstawiono alternatywną konfigurację 4-portowego cyrkulatora zrealizowanego w technice mikropaskowych sprzężonych linii ferrytowych. Zaproponowany układ złożony jest z dwóch 3-portowych cyrkulatorów, które zostały połączone w sposób umożliwiający magnesowanie obydwu cyrkulatorów w tym samym kierunku. Wyniki numeryczne zostały zweryfikowane eksperymentalnie.
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Stability of an optical displacement sensor using a two-beam polarization interferometer
PublicationW artykule przedstawiono wyniki pomiarów stabilności wybranej konfiguracji dwuwiązkowego interferometru polaryzacyjnego. Przedyskutowano źródła występującej niestabilności.
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Macromodeling of multiport systems using a fast implementation of the vector fitting method
PublicationMakromodelowanie układów wieloportowych przy użyciu vector fittingu jest czasochłonne oraz wymaga dużych zasobów obliczeniowych w przypadku gdy wszystkie elementy macierzy systemowej dzielą wspólne bieguny. Artykuł prezentuje stabilne rozwiązanie, które usuwa problem rzadkości macierzy poprzez zastosowanie bezpośrednie dekompozycje QR. Jako przykład przedstawiony został 60 portowy układ, który ilustruje oszczędność czasu potrzebnego...
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Fast multiplexer cad using surrogate models for channel filters synthesis
Publicationartykuł przedstawia metodę szybkiego projektowania multiplekserów mikrofalowych wykorzystującą dokładne modele zastępcze na etapie projektowania kanałów. przedstawiony został przykład trój-kanałowego multipleksera z filtrami dwurodzajowymi.
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Diagnostics of high-voltage varistor quality using resonant ultrasound spectroscopy
PublicationResonant spectroscopy is an effective nondestructive testing method focused on defects detection in tested objects. Resonance spectrum contains an information about the mechanical properties and particularly about the structural homogeneity of the whole object. A swept frequency method has been used to measure the selected resonant frequencies range. The system for measurement of resonant ultrasound spectroscopy of high-voltage...
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Advances in assessing the elemental composition of distilled spirits using atomic spectrometry
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Determination of norflurazon concentration in wheat leaves using a modified QuEChERS method
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Recreation of Voltage Fluctuation Using Basic Parameters Measured in the Power Grid
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Influence of Asphalt Binder on the Compactability of Asphalt Mixtures Using Locking Point
PublicationCompaction is an important process for the asphalt mixture service life. A properly compacted mixture is crucial for long-lasting pavement. The objective of this study was to evaluate the influence of asphalt binders on the compactability of the asphalt mixtures by utilizing the concept of the locking point. To achieve this objective, two compaction methods (impact and gyration), different temperatures and asphalt content, and...
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Vector Field Editing and Periodic Orbit Extraction Using Morse Decomposition
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Biosorption of toxic metals using freely suspended Microcystis aeruginosa biomass
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Designing Emergency-Medical-Service Helicopter Interiors Using Virtual Manikins
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Analysis of Isocratic-Chromatographic-Retention Data using Bayesian Multilevel Modeling
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Wheel-flat detection on trams using envelope analysis with Hilbert transform
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The effectiveness of the mechanical treatment of municipal waste using the example of a selected installation
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An Approach for Journal Summarization Using Clustering Based Micro-Summary Generation
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Investigation of Vibro-Acoustical Properties Using Eigenvalue Problem Solution and Wavelets
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Finding Temperature Distribution at Heat Recovery Unit Using Genetic Algorithms
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Optimization of multilayer rail substrate under moving load, using metamaterials.
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Investigation of Anti-Lock Braking System failures using wavelet analysis
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Learning from Imbalanced Data Using Over-Sampling and the Firefly Algorithm
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Lamb Wave Based Structural Damage Detection Using Stationarity Tests
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Deep learning approach for delamination identification using animation of Lamb waves
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Cold sintering of colloidal silica particles using different alkali solutions
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3D reconstruction of nuclear reactions using GEM TPC with planar readout
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Load Test of Railway Viaduct Built Using Crosswise Launching Technology
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Thermo-resonance analysis of an excited graphene sheet using a new approach
PublicationForced vibration of graphene nanoplate based on a refined plate theory in conjunction with higher-order nonlocal strain gradient theory in the thermal environment has been investigated. Regarding the higher-order nonlocal strain gradient theory, both stress nonlocality and size-dependent effects are taken into account, so the equilibrium equations which are governing on the graphene sheet have been formulated by the theory....
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Possibility of Using Tea Fungus for Fermentation of Beetroot and Carrot Pomace Beverages
PublicationFermented beverages obtained from plant-based raw materials are becoming more popular due to their beneficial effects on human health. These include kombucha beverages, which are obtained by fermenting tea brew using the so-called tea fungus, which includes acetic acid bacteria and osmophilic yeast. A consortium of these microorganisms could also be used to prepare functional fermented beverages obtained from extracts of vegetable...
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Increasing Energy Efficiency of Commercial Vessels: by Using LED Lighting Technology
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O-256 Evaluation of the fertility potential of semen using Proton NMR
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Design of selective substrates of proteinase 3 using combinatorial chemistry methods
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Thermal crosslinking of silicone pressure-sensitive adhesives using organic peroxides
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Studies on the separation of some transition metals using trialkylimidazole as selective extractant
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Assessment of the accuracy of stereotactic radiosurgery using Fricke-infused gels and MRI
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Radiation therapy dosimetry using magnetic resonance imaging of polymer gels
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Stimulation of Heavy Metal Adsorption Process by Using a Strong Magnetic Field
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Towards modelling of the environmental fate of pharmaceuticals using the QSPR-MM scheme
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Predicting sulfanilamide solubility in the binary mixtures using a reference solvent approach
PublicationBackground. Solubility is a fundamental physicochemical property of active pharmaceutical ingredients. The optimization of a dissolution medium aims not only to increase solubility and other aspects are to be included such as environmental impact, toxicity degree, availability, and costs. Obtaining comprehensive...
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Using adsorption chillers for utilising waste heat from power plants
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Distance magnetic nanoparticle detection using a magnetoelectric sensor for clinical interventions
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Barriers to using of Quintuple Helix model to create innovations in Polish regions
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Direct synthesis of fine boron carbide powders using expanded graphite
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Using Probabilistic Availability Measures for Predicting Targeted Attacks on Network Nodes
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