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Search results for: MONOTONE ITERATIVE METHOD
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A method for detecting possible near miss ship collisions from AIS data
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Method for Determination of Methyl tert-Butyl Ether and Its Degradation Products in Water
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SEM investigations of the mechanism of formation and growth of nanohydroxyapatite layers coated with ultrasonic method
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New method of fractional order integrator analog modeling for orders 0.5 and 0.25
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Assessment of hardened layer thickness for 40HNMA steel using eddy current method
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Simulation Method for Scheduling Linear Construction Projects Using the Learning– Forgetting Effect
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OCCUPATIONAL RISK ASSESSMENT USING THE RISK SCORE METHOD DURING GEODETIC MEASUREMENTS
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Influence of the analyzing window on electrode impedance measurement by the continuous frequency scanning method
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Digital image correlation method: a versatile tool for engineering and art structures investigations
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Application of Hybrid FEM-DIC Method for Assessment of Low Cost Building Structures
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Experimental method to evaluate the load-carrying capacity of double corrugated sheet profiles
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The operational method of filling information gaps in satellite imagery using numerical models
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Identification of Non-Stationary Magnetic Field Sources Using the Matching Pursuit Method
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Mercury fractionation in marine macrofauna using thermodesorption technique: Method and its application
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Application of the Fröbenius method to the Schrödinger equation for a spherically symmetric potential: an anharmonic oscillator
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A new hybrid method for analysis of scattering from arbitrary configuration of cylindrical objects
PublicationArtykuł opisuje nową hybrydową metodę analizy rozpraszania fali elektromagnetycznej od obiektów cylindrycznych o dowolnym przekroju poprzecznym. W prezentowanym podejściu każdy obiekt jest traktowany jako efektywny cylinder o przekroju kołowym, opisany przez macierz impedancyjną. W celu uzyskania owej macierzy zastosowano połączenie metod różnic skończonych w dziedzinie częstotliwości (FDFD) i dopasowania rodzajów (MM). W celu...
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A method for selection of parameters of ship propulsion system fitted with compromise screw propeller
PublicationArtykuł dotyczy algorytmicznej metody wstępnego doboru parametrów układu napędowego okrętu wyposażonego w śrubę o skoku stałym, gdy eksploatacja okrętu związana jest z istotnymi zmianami: głębokości i szerokości drogi wodnej, oporu kadłuba i prędkości marszowej. Argumentami modelu matematycznego rozważanego zagadnienia projektowego są identyfikowane na etapie projektowania wstępnego główne parametry projektowe okrętu. Struktura...
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A model for performance assessment of damaged ships when using the risk-based method
PublicationW pracy omówiono metody oceny bezpieczeństwa statków w stanie uszkodzonym w warunkach operacyjnych. Przedstawiono metodę oceny bezpieczeństwa statków w stanie uszkodzonym opartą na analizie ryzyka. Przedstawiono model oceny zachowania się statku w stanie uszkodzonym, który jest oparty na tak zwanym quasi-dynamicznym modelu zatapiania statku. Omówiono elementy związane z analizą ryzyka i ocena bezpieczenstwa statków.
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Ab initio studies of phonons in MgO by the direct method including LO mode
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FEM (Finite Element Method) Numeric Analyses of the Syrenka S201 Car Model
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The Use of Stem Cells as a Potential Treatment Method for Selected Neurodegenerative Diseases: Review
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A simple method for selection of trypsin chromogenic substrates using combinatorial chemistry approach
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Green method of conversion of geraniol to value-added products in the presence of selected minerals
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A Reference Point Method to Triple-Objective Assignment of Supporting Services in a Healthcare Institution
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A new deterministic method of finding safe ship trajectory for any convex domain
PublicationW artykule wprowadzono nową deterministyczną metodę wyznaczania bezpiecznej trajektorii statku dla sytuacji spotkania z wieloma obiektami obcymi i dla dowolnej zadanej domeny. Jej prostota i fakt, że minimalizuje ona liczbę manewrów czynią ją dobrą alternatywą dla obecnie stosowanych metod. Metoda jest przedstawiona tak, aby mogła być bezpośrednio zastosowana w pokładowych systemach antykolizyjnych lub w systemach VTS.
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Influence of the method of the control of the hybrid contactless short-circuit limiter on power quality
PublicationW artykule przedstawiono wpływ sterowania bezstykowego ogranicznika prądów zwarciowych na ograniczanie zapadów napięcia. Scharakteryzowano podstawowe własności ogranicznika oraz układu sterowania jego pracą. Ponieważ prąd zwarciowy jest detekowany przez dedykowany superkrótki bezpiecznik sterowanie musi być dostosowane do czasu przedrukowego i łukowego topika, które zależą od aktualnej wartości prądu i aktualnej konfiguracji obwodu....
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Modeling of a rock fall using the discrete element method and study of the seismic signal
PublicationW artykule przedstawiono opis fal sejsmicznych, zastosowanie dyskretnej metody elementów do opisu obrywu skalnego, opis programów obliczeniowych oraz obliczenia numeryczne wg. podanych programów obliczeniowych.
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Effect of preparation method on the properties of potato starch acetates with an equal degree of substitution
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Using the AHP Method to Select an Electronic Documentation Management System for Polish Municipalities
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Searching for space-time clusters: The CutL method compared to Kulldorff’s scan statistic
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Measurement of ethylene production as a method for determining the optimum harvest date of ‘Jonagored’ apples
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The Influence of Input Data Standardization Method on Prediction Accuracy of Artificial Neural Networks
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A new method for preparation of rutile phase titania photoactive under visible light
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Real-Time AI-Driven Fall Detection Method for Occupational Health and Safety
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Development and validation of GC–MS/MS method useful in diagnosing intestinal dysbiosis
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Development of a digital method for neutron/gamma-ray discrimination based on matched filtering
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The method of improving the dynamic range of jitter analyzers in optical-fiber transmission systems
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Effect of extraction method on the yield of furanocoumarins from fruits ofArchangelica of?cinalis Hoffm.
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The method of multispectral image processing of phytoplankton processing for environmental control of water pollution
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Verification of a Novel Method of Detecting Faults in Medium-Voltage Systems with Covered Conductors
PublicationThis paper describes the use of new methods of detecting faults in medium-voltage overhead lines built of covered conductors. The methods mainly address such faults as falling of a conductor, contacting a conductor with a tree branch, or falling a tree branch across three phases of a medium-voltage conductor. These faults cannot be detected by current digital relay protection systems. Therefore, a new system that can detect the...
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A method to assess transverse vibration energy of ship propeller shaft for diagnostic purposes
PublicationThe article discusses a key problem of ship propulsion system vibration diagnostics, which concerns assessing this part of mechanical energy transmitted from the main engine to the ship propeller which is dissipated due to propeller shaft vibration. A simplified calculation model is proposed which allows the total energy of the generated torsional vibration to be assessed from the shaft deflection amplitude measured at the mind-span...
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A new method of presosns identification based on comparative analysis of 3D face models
PublicationThe article presents the use of modern close range photogrammetry for possessing highly accurate 3D models of the human face (including the ears). Modern methods used to obtain precise data describing the construction of a human face, and even the whole human body, should allow to get finished measurement material in a very short time. Those features belong to the optical scanning technology. Comparative analysis of models of the...
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An improved method for flow boiling heat transfer with account of the reduced pressure effect
PublicationIn the paper are presented the results using the authors own model to predict heat transfer coefficient during flow boiling. The model has been tested against a large selection of experimental data to investigate the sensitivity of the in-house developed model. In the work are presented the results of calculations obtained using the semi-empirical model on selected experimental flow boiling data of the refrigerants: R134a, R1234yf,...
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Method using square-pulse excitation for high-impedance spectroscopy of anticorrosion coatings
PublicationArtykuł prezentuje metodę spektroskopii impedancyjnej przeznaczonej do diagnostyki powłok antykorozyjnych na obiektach bezpośrednio w terenie. Aby skrócić czas uzyskania widma impedancji (w zakresie od 1 mHz do 1 MHz) do kilku minut, wykorzystano sygnały harmoniczne do pomiaru widma powyżej 10 Hz a impuls prostokątny w dolnym zakresie częstotliwości. Do wyznaczania widma użyto algorytmów DSP odpowiednich do sygnału pobudzenia....
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A facile synthesis method and electrochemical studies of a hierarchical structured MoS2/C-nanocomposite
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Effect of sol composition on the properties of TiO2 powders obtained by the sol-gel method
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A new scuffing shock test method for the determination of the resistance to scuffing of coated gears
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Method for determination of the chemical composition of phases of the iron catalyst precursor for ammonia synthesis
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Experimental tuning of AuAg nanoalloy plasmon resonances assisted by machine learning method
PublicationPlasmonic nanostructures based on AuAg nanoalloys were fabricated by thermal annealing of metallic films in an argon atmosphere. The nanoalloys were chosen because they can extend the wavelength range in which plasmon resonance occurs and thus allow the design of plasmonic platforms with the desired parameters. The influence of initial fabrication parameters and experimental conditions on the formation of nanostructures was investigated....
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TEST METHOD FOR DETERMINING THE CHEMICAL EMISSIONS OF A MARINE DIESEL ENGINE EXHAUST IN OPERATION
PublicationThe article briefly describes the problem of air pollution caused by sea-going ships and the resulting restrictions on the emission of toxic and harmful chemical compounds in the exhaust of marine engines, introduced by the International Maritime Organization (IMO) under the International Convention for the Prevention of Sea Pollution from Ships (MARPOL 73/78). Such emissions provide a significant metrological problem, not only...