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  • The methods of design reliable distributed networks

    Opisano dwie metody projektowania niezawodnych sieci rozległych. W pierwszej metodzie przyjęto, że koszt konstrukcji każdego połączenia jest jednakowy, w drugiej koszty opisuje zadana macierz kosztów. Jako parametr niezawodnościowy przyjęto liczbę niezależnych dróg pomiędzy węzłami sieci. Pierwsza z metod jest metodą dokładną, druga heurystyczną. Zdefiniowano i oceniono błąd metody heurystycznej. Opublikowano wyniki otrzymane...

  • Multicriteria optymization method for yacht design

    Publication

    - Year 2003

    Artykuł dotyczy optymalizacji wielokryterialnej projektowania innowacyjnego systemu jachtowego w taki sposób by osiągnąć polepszone zachowanie dynamiczne w dowolnych warunkach nawigacji morskiej. W artykule skoncentrowano się na komputerowej symulacji, modelowaniu i optymalizacji matematycznego modelu jachtu w różnych warunkach żeglowania w celu poprawy zdolności manewrowania i zwiększenia szybkości. Przeprowadza się symulację...

  • Eigenchannel method in quantum potential scattering.

    Publication

    - Year 2004

    Uogólniono metodę fal cząstkowych na przypadek kwantowego rozpraszania na dowolnym potencjale krótkozasięgowym. Zaprezentowano formalizm ogólny oraz jego zastosowania do cząstek Schrodingera i Duraca.

  • Application of chemometric methods in environmental research.

    Publication

    W badaniach analitycznych zastosowanie nowoczesnych technik pomiarowych, połączone ze skróceniem czasu analiz, prowadzi do uzyskiwania obszernych zbiorów danych w stosunkowo krótkim czasie. Zastosowanie specjalnych technik obróbki zbiorów wyników pomiarowych sprawia, że możliwe jest ''wydobycie'' dodatkowych informacji z posiadanych danych. Idealnym narzędziem do tego typu zabiegów może być chemometria. W opracowaniu omówiono teorię...

  • Data gathering methods : review - questionnaire

    Publication

    - Year 2007

    Artykuł przedstawia koncepcję, pochodzenie oraz zastosowania dla jednej z metod oceny użyteczności - wywiadu, wraz z jego głównym narzędziem - ankietami. Stanowi część przeglądu dostępnych metod poprawy użyteczności.

  • Data gathering methods : card sorting

    Publication

    - Year 2007

    Artykuł przedstawia koncepcję, pochodzenie oraz zastosowania dla jednej z metod oceny użyteczności i budowania menu w aplikacjach informatycznych - sortowania kart. Stanowi część przeglądu dostępnych metod poprawy użyteczności.

  • Monitoring of metal structures with the dynamic methods

    Publication
    • A. Beskopylny
    • A. Veremeenko
    • E. Kadomtseva
    • H. Anysz

    - Year 2019

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  • Theoretical methods in thermodynamics of condensed phases

    Publication
    • J. Błażejowski
    • J. Rak
    • P. Skurski

    - Journal of Thermal Analysis - Year 1995

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  • Diver Observations by Means of Acoustic Methods

    Publication

    Searching for objects, especially small ones, moving under water near its the free surface, is always not an easy task. Designing tools for the detection of such targets is a real challenge when the possibility of a terrorist attack is a real threat. This paper presents some aspects of diver detection by means of acoustics methods, both active (side scan sonar) and passive ones (linear receiving antenna). This approach is quite...

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  • Locking effects in finite elemnt method

    Publication

    - Year 2014

    In the present paper a short survey of the locking effect literature is given. As this area of scientific research is still developing, the author of the paper restricted it to about 70 papers. This study is proposed as an introduction to the comprehensive investigation of locking effects.

  • Methods of Tire Rolling Resistance Measurements

    Publication

    Tire rolling resistance is one of the factors related to tire/road interaction that has important influence on road vehicles performance. Raising fuel price and increased concern related to the environmental changes result in growing interest in reduction of tire rolling resistance that influences fuel consumption, especially in free-flowing highway traffic with moderate speeds. There are several methods of tire rolling resistance measurements....

  • Energy Consumption Analysis Methods in Industry

    Publication

    This paper overviews applied methods to evaluate energy consumption in Industry. The most important law regulations are presented, which decide on the necessity to conduct an effec - tive energetic economy. Basic assumptions are defined to calculate direct and cumulative energy consumption. The pros and cons of using each method are presented.

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  • The modelling method of discrete-continuous systems

    Publication

    The paper introduces a method of discrete-continuous systems modelling. In the proposed method a three-dimensional system is divided into finite elements in only two directions, with the third direction remaining continuous. The thus obtained discrete-continuous model is described by a set of partial differential equations. General difference equations of discrete system are obtained using the rigid finite element method. The limit...

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  • Data Mining Applications and Methods in Medicine

    Publication

    In this paper we describe the research area of data mining and its applications in medicine. The origins of data mining and its crucial features are shortly presented. We discuss the specificity of medicine as an application area for computer systems. Characteristic features of the medical data are investigated. Common problems in the area are also presented as well as the strengths and capabilities of the data mining methods....

  • A new methof for identyfication of RTS noise

    In the paper a new method, called the Noise Scattering Pattern (NSP) method, for RTS noise identyfication in a noise signal is presented. Examples of patterns of the NSP method are included.

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  • Wideband Macromodels in Finite Element Method

    This 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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  • Low-coherence method of hematocrit measurement

    W artykule opisano niskokoherencyjna metodę pomiaru hematokrytu krwi.

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  • On a Method of Efficiency Increasing in Kaplan Turbine

    This paper presents a method of increasing efficiency in Kaplan-type turbine. The method is based on blade profile optimisation together with modelling the interaction between rotor and stator blades. Loss coefficient was chosen as the optimisation criterion, which is related directly to efficiency. Global optimum was found by means of Genetic Algorithms, and Artificial Neural Networks were utilised for approximations to reduce...

  • Low-coherence method of hematocrit measurement

    Publication

    During the last thirty years low-coherence measurement methods have gained popularity because of their unique advantages. Low-coherence interferometry, low-coherence reflectometry and low-coherence optical tomography offer resolution and dynamic range of measurement at the range of classical optical techniques. Moreover, they enable measurements of the absolute value of the optical path differences, which is still an unsolved problem...

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  • COMPARISON OF BLOOD PRESSURE PREDICTION METHODS

    Publication

    - Year 2014

    In the paper dierent approaches of predicting blood pressure values are presented. Basically, two methods and theirs modifications are considered. In total, seven algorithms have been examined. Tests have been conducted using both synthetic and clinical data. From our study it follows that none of the examined methods is superior to other.

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  • Agile Methods In Formation of Metropolis Neighbourhood

    Publication

    - Year 2017

    A study of the zone adjoining the metropolis area of Tricity (Poland) was conducted on the basis of analyses of changes in spatial development, outline planning decisions and local plans of spatial development. Localities placed at several dozen kilometres from strongly urbanized areas do not constitute metropolis outskirts. The vicinity of large urban centres is an obstacle to the development of localities as self-sufficient units...

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  • An improved scalable method of isolating asphaltenes

    A new, improved and scalable procedure of asphaltene fraction isolation is presented and compared to standard test methods. The new procedure uses 1:40 feedstock to solvent (n-heptane) ratio (g/mL), filtration through a cellulosic thimble and extensive washing in a Soxhlet type extractor. The group type composition and purity of the asphaltene fractions have been examined using thin-layer chromatography with flame-ionization detection....

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  • New method for personalization of avatar animation

    Publication

    The paper presents a method for creating a personalized animation of avatar utilizing fuzzy inference. First the user designs a prototype version of animation, with keyframes only for important poses, roughly describing the action. Then animation is enriched with new motion phases calculated by the fuzzy inference system using descriptors given by the user. Various degrees of motion fluency and naturalness are possible to achieve....

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  • Approximate methods for functional differential equations

    Publication

    - Year 2009

    W pracy przedstawione są dwie klasy przybliżonych metod rozwiązywania równań różniczkowo funkcyjnych ze szczególnym uwzględnieniem równań różniczkowych z opóźnieniem. Do pierwszej klasy należą metody bezpośrednie reprezentowane w przedkładanej rozprawie przez dwukrokowe metody Rungego-Kutty. Należą one do klasy ogólnych metod liniowych rozwiązywania równań różniczkowych. Druga klasę przybliżonych metod rozwiązywania równań różniczkowo...

  • TSR method for burns investigation approach

    Publication

    - Year 2018

    The article presents the possibilities of applying the TSR method for the diagnosis of burn wounds. The wound area is stimulated by cold gas and a sequence of thermograms of heating the tissue is recorded. Next, TSR algorithms are used to determine the parameters that allow the wound to be classified into one of the classes: the wound heals within three weeks, the wound will not heal in three weeks. The method was...

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  • The OptD-multi method in LiDAR processing

    Publication

    - MEASUREMENT SCIENCE & TECHNOLOGY - Year 2017

    New and constantly developing technology for acquiring spatial data, such as LiDAR (light detection and ranging), is a source for large volume of data. However, such amount of data is not always needed for developing the most popular LiDAR products: digital terrain model (DTM) or digital surface model. Therefore, in many cases, the number of contained points are reduced in the pre-processing stage. The degree of reduction is determined...

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  • GPU-accelerated finite element method

    Publication

    In this paper the results of the acceleration of computations involved in analysing electromagnetic problems by means of the finite element method (FEM), obtained with graphics processors (GPU), are presented. A 4.7-fold acceleration was achieved thanks to the massive parallelization of the most time-consuming steps of FEM, namely finite-element matrix-generation and the solution of a sparse system of linear equations with the...

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  • Computational intelligence methods in production management

    Publication

    - Year 2010

    This chapter presents a survey of selected computational intelligence methods used in production management. This group of methods includes, among others, approaches based on the artificial neural networks, the evolutionary algorithms, the fuzzy logic systems and the particle swarm optimization mechanisms. From the abovementioned methods particularly noteworthy are the evolutionary and the particle swarm algorithms, which are successfully...

  • Study on Methods to Control Interstory Deflections

    Publication

    - Geosciences - Year 2020

    One of the possibilities to prevent building pounding between two adjacent structures is to consider appropriate in-between separation distance. Another approach might be focused on controlling the relative displacements during seismic excitations. Although the majority of building codes around the world recommend the use of some equations of various distances between structures to avoid pounding; a lot of reports after earthquakes...

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  • The Dynamical Projectors Method Hydro and Electrodynamics

    Publication

    - Year 2018

    The dynamical projectors method proves to reduce a multicomponent problem to the simplest one-component problem with its solution determined by specific initial or boundary conditions. Its universality and application in many different physical problems make it particularly useful in hydrodynamics, electrodynamics, plasma physics, and boundary layer problems. A great variety of underlying mechanisms are included making this book...

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  • The Optimum Dataset method – examples of the application

    Publication

    - Year 2018

    Data reduction is a procedure to decrease the dataset in order to make their analysis more effective and easier. Reduction of the dataset is an issue that requires proper planning, so after reduction it meets all the user’s expectations. Evidently, it is better if the result is an optimal solution in terms of adopted criteria. Within reduction methods, which provide the optimal solution there is the Optimum Dataset method (OptD)...

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  • Analytical design method of reverse curves

    Publication

    The paper deals with a new approach relating to the design of the region of railway track direction alteration adapted to Mobile Satellite Measurements technique. The method may be particularly useful in situations when both the straights of the route directions cannot be connected in an elementary way using a circular arc with transition curves; this also refers to the application of a compound curve. Thus the only solution becomes...

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  • The method of detection of electromagnetic fields in ground

    W prezentowanej metodzie, detekcja pola polega na pomiarach i analizie zmian rozkładu potencjału. Różnice potencjałów są mierzone jako napięcie pomiędzy elektrodami umieszczonymi w różnych pozycjach na powierzchni ziemi. Analiza tych napięć przy pomocy krótkoczasowej transformaty Fouriera STFT umożliwia wyznaczenie zmian spektralnej gęstości mocy sygnału w funkcji czasu. Ten rodzaj łącznej analizy czasowo-częstotliwościowej daje...

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  • Developments in Methods of Analysis for Naphthalene Sulfonates

    Publication

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  • Electrochemical methods for corrosion rate determination under cathodic polarisation conditions - a review. Part II - AC methods

    Publication

    Przedstawiono krytyczny przegląd prac dotyczących wykorzystania metod elektrochemicznych zmiennoprądowych do wyznaczania prądu korozyjnego metali polaryzowanych katodowo. Przedyskutowano stosowanie klasycznej liniowej spektroskopii impedancyjnej (EIS) z użyciem sygnałów pobudzających niskoamplitudowych, a następnie techniki zmiennoprądowe bazujące na sygnałach wysokoamplitudowych, a więc w zakresie nieliniowej charakterystyki polaryzacyjnej...

  • Electrochemical methods for corrosion rate determination under cathodic polarisation conditions - a review. Part I - DC methods

    Publication

    Przedstawiono krytyczny przegląd prac dotyczących wykorzystania metod elektrochemicznych stałoprądowych do wyznaczania prądu korozyjnego metali polaryzowanych katodowo. Opisano dotychczasowe sposoby oceny skuteczności ochrony katodowej na podstawie pomiarów krzywych polaryzacji i rezystancji polaryzacyjnej. Scharakteryzowano metody matematyczne i oprogramowanie opracowane do analizy komputerowej krzywych polaryzacji w celu wyznaczenia...

  • Conceptual methods of old-timer vehicles inspection tests based on current technical inspection methods at vehicle inspection stations

    Publication
    • A. Malinowski

    - Year 2010

    Przedstawiono koncepcję metodyki okresowych badań technicznych pojazdów zabytkowych w stacjach kontroli pojazdów.

  • Effect of adopted rules of inference and methods of defuzzification on the final result of the evaluation of reliability made using the fuzzy logic methods

    Publication

    The object of interest is to solve the problem of risk management of marine systems. But the main trouble is a lack of numerous and sure data on the reliability of the components of such systems. The methods based on the fuzzy logic seem to be helpful here. The goal of the article is to check the effect of using different fuzzy inference rules and methods of defuzzification on the final result of reliability assessment. The three...

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  • Application of the distributed transfer function method and the rigid finite element method for modelling of 2-D and 3-D systems

    Publication

    In the paper application of the Distributed Transfer Function Method and the Rigid Finite Element Method for modelling of 2-D and 3-D systems is presented. In this method an elastic body is divided into 1-D distributed parameter elements (strips or prisms). The whole body (divided into strips or prism) is described by a set of coupled partial differential equations. Solving this equations in the state space form it is possible...

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  • Organic and conventional kiwifruit myths versus reality: antioxidant, antiproliferative and health effects

    Publication
    • Y. S. Park
    • K. Ham
    • S. Kang
    • Y. Park
    • J. Namieśnik
    • H. Leontowicz
    • M. Leontowicz
    • A. Ezra
    • S. Trakhtenberg
    • S. Gorinstein

    - JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY - Year 2012

    Comparison between organic and conventional kiwifruit cultivars ''Hayward'' and ''Bidan'', which was done by four redical scavenging assays, ESI-MS, and DSC measurements, showed significant differences between cultivars. Such results were not estimated in kiwifruit growing under organic and conventional conditions. The extraction of bioactive compounds was done by two different methods: sequential extraction with ethyl acetate...

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  • Organic and conventional kiwifruit, myths versus reality: antioxidant, antiproliferative and helth effects

    Publication
    • Y. S. Park
    • K. Ham
    • S. Kang
    • Y. Park
    • J. Namieśnik
    • H. Leontowicz
    • M. Leontowicz
    • A. Ezra
    • S. Trakhtenberg
    • S. Gorinstein

    - JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY - Year 2012

    Comparison between organic and conventional kiwifruit cultivars 'Hayward' and 'Bidan', which was done by four radical scavenging assays, ESI-MS, and DSC measurements, showed significant differences between the cultivars. Such results were not estimated in kiwifruit growing under organic and conventional conditions. The extraction of bioactive compounds was done by two different methods: sequential extraction with ethyl acetate...

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  • A method for ice-aware maritime route optimization

    Publication
    • R. Guinness
    • J. Saarimaki
    • L. Ruotsalainen
    • H. Kuusniemi
    • F. Goerlandt
    • J. Montewka
    • R. Berglund
    • V. Kotovirta

    - Year 2014

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  • Fabrication method of parallel mesoporous carbon nanotubes

    Publication
    • X. Chen
    • K. Cendrowski
    • J. Srenscek-Nazzal
    • M. Rümmeli
    • R. Kalenczuk
    • H. Chen
    • P. Chu
    • E. Borowiak-Palen
    • E. Mijowska

    - Colloids and Surfaces A: Physicochemical and Engineering Aspects - Year 2011

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  • Dressing method in matter + radiation quantum models

    Rozważane są modele typu Dicka i Jaynes-Cummings'a, i obliczono widmo zaburzonego modelu Dicka. Wyprowadzono równania łańcuchowe ubierania.

  • New methods for location service in the WCDMA system

    Opracowano dwie nowe metody lokalizowana terminala ruchomego w sieciach komórkowych opartych o szerokopasmowy interfejs radiowy WCDMA. Przedstawiono szczegółowy ich opis działania. Zaprezentowano model symulacyjny oraz wyniki badań symulacyjnych przydatności opracowanych metod dla potrzeb europejskiego systemu bezpieczeństwa E112.

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  • Prevention methods and tools in road designing and maintenance

    Publication

    - Year 2007

    Spośród wielu systemowych elementów zarządzania bezpieczeństwem infrastruktury drogowej, wyróżnić można cztery rodzaje działań mające charakter prewencyjny, a mianowicie: Ocena oddziaływania na bezpieczeństwo ruchu, Audyt bezpieczeństwa ruchu drogowego, Zarządzanie bezpiecezństwem sieci drogowej i Przeglądy dróg. Działania te, jako środki prewencyjne w projektowaniu i eksploatacji dróg powinny stanowić spójny system ocen projektowanych...

  • A parametric method for evaluation of resistance of swath ships

    Publication

    Artykuł zawiera sformułowania metody parametrycznej służącej do wyznaczania oporu kadłuba statku o konfiguracji swath. Metodę opracowano opierając się na rezultatach obliczeń numerycznych, uzyskanych metodami strukturalnymi, wywiedzionymi ze sformułowań teoretycznej hydromechaniki okrętu, wykonanych na dostatecznie licznej serii kształtów kadłuba, o systematycznie uzmiennianych parametrach kształtu. Następnie przedstawiono rezultaty...

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  • Cartometric: semantic ontology evaluation with cartographic methods

    Publication

    - Year 2008

    W ostatnich latach, głównie dzięki rozwojowi inicjatywy Sieci Semantycznej (ang. Semantic Web), staliśmy się świadkami powstawania coraz większej liczby gwałtownie ewoluujących ontologii. W takiej sytuacji zarówno użytkownicy Sieci, jak i komputerowe agenty potrzebują metody oceny właściwości ontologii, w szczególności takiej, która uwzględni jej cechy semantyczne, czyli kształt przestrzeni dozwolonych modeli. Niniejsza praca prezentuje...

  • Comparison of developed gaze point estimation methods

    Publication

    - Year 2008

    This paper presents the software part of an inexpensive hands-free eye tracking system. The system works using infrared illumination like most of the available eye trackers. Two methods allowing estimation the gaze point on computer screen are compared. Research on effectiveness of these methods is discussed and the better one is indicated.

  • Telemedicine methods for low bit rate communication

    Publication

    - Year 2008

    W pracy przedstawiono metody, które mogą być zastosowane w wybranych aspektach telemedycyny przy zredukowanym strumieniu danych. Przedstawiono i omówiono rozwiązania dla telekonsultacji przygotowanych (przygotowane dane, telekonsultacje w czasie rzeczywistym) oraz telekonsultacji w wypadkach nagłych.