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One-step formation of n-alkenyl-malonamides and n-alkenyl-thiomalonamides from carbamoyl meldrum's acids.
PublikacjaA one-pot synthesis for the preparation of N-alkenyl-malonamides and N-alkenyl-thiomalonamides was developed. 5-[Hydroxy/mercapto(aryl/alkylamino)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione act as a source of ketenes that react with the tautomeric form of alkyl-(2-phenyl-propylidene)-amines. A possible [2+2] or [4+2] cycloaddition product of ketene to imines was not observed.
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Technological capability dynamics through cluster organizations
PublikacjaPurpose – The purpose of the paper is to portrait how members of cluster organizations (COs) perceive the role of COs in enabling them to accumulate technological capability (TC) significant for their innovation. Design/methodology/approach – The authors report the findings from their qualitative study based on an analysis of four COs. The organizational inertia and absorptive capacity (AC) theories are the theoretical underpinning...
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Featuring Semitransparent p–i–n Perovskite Solar Cells for High-Efficiency Four-Terminal/Silicon Tandem Solar Cells
PublikacjaTwo issues need to be resolved when fabricating p–i–n semitransparent perovskite solar cells (ST-PVSCs) for four-terminal (4 T) perovskite/silicon tandem solar cells: 1) damage to the underlying absorber (MAPbI3), electron transporting layer ([6,6]-phenyl-C61-butyric acid methyl ester, PCBM), and work function (WF) modifier (polyethylenimine, PEI), resulting from the harsh sputtering conditions for the transparent electrodes (TEs)...
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Reactive Sintering of Ground Tire Rubber (GTR) Modified by a Trans-Polyoctenamer Rubber and Curing Additives
PublikacjaThe proposed method of ground tire rubber (GTR) utilization involves the application of trans-polyoctenamer rubber (TOR), a commercially available waste rubber modifier. The idea was to investigate the influence of various curing additives (sulfur, N-cyclohexyl-2-benzothiazole sulfenamide (CBS), dibenzothiazole disulfide (MBTS) and di-(2-ethyl)hexylphosphorylpolysulfide (SDT)) on curing characteristics, physico-mechanical, thermal,...
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Automatic audio signal mixing system based on one-dimensional Wave-U-Net autoencoders
PublikacjaThe purpose of this dissertation is to develop an automatic song mixing system that is capable of automatically mixing a song with good quality in any music genre. This work recalls first the audio signal processing methods used in audio mixing, and it describes selected methods for automatic audio mixing. Then, a novel architecture built based on one-dimensional Wave-U-Net autoencoders is proposed for automatic music mixing. Models...
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Bezpieczeństwo Techniczne – zmiany dla rozwoju
WydarzeniaUrząd Dozoru Technicznego organizuje cykl bezpłatnych konferencji w ramach Dni Bezpieczeństwa Technicznego UDT. Jedna z nich przeprowadzona zostanie wspólnie z Wydziałem Mechanicznym PG.
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Real-time speech-rate modification experiments
PublikacjaAn algorithm designed for real-time speech time scale modification (stretching) is proposed, providing a combination of typical synchronous overlap and add based time scale modification algorithm and signal redundancy detection algorithms that allow to remove parts of the speech signal and replace them with the stretched speech signal fragments. Effectiveness of signal processing algorithms are examined experimentally together...
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Semantic Driven Table Understanding in Born-Digital Documents
PublikacjaThis paper presents a new approach to table understanding, suitable for born-digital PDF documents. Advance beyond the current state of the art in table understanding is provided by the proposed reverse MVC method, which takes advantage of only partial logic structure loss (degradation) in born-digital PDF documents, as opposed to unrecoverable loss (deterioration) taking place in scan based PDF documents.
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VII Międzynarodowe Biennale Malarstwa i Tkaniniy Unikatowej – Gdynia 2013
PublikacjaKatalog towarzyszący wystawie, która odbyła się w Muzeum Miasta Gdyni w 2013 roku. W organizacji wystawy oprócz Muzeum brało także udział Stowarzyszenie Promocji Artystów Wybrzeża ERA ART. Publikacja liczy 108 stron i zawiera 140 reprodukcji prac (praca autora s.51). ISBN 978-83-937863-0-5.
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Study of the Effectiveness of Model Order Reduction Algorithms in the Finite Element Method Analysis of Multi-port Microwave Structures
PublikacjaThe purpose of this paper is to investigate the effectiveness of model order reduction algorithms in finite element method analysis of multi-port microwave structures. Consideration is given to state of the art algorithms, i.e. compact reduced-basis method (CRBM), second-order Arnoldi method for passive-order reduction (SAPOR), reduced-basis methods (RBM) and subspace-splitting moment-matching MOR (SSMM-MOR)
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ZINTEGROWANE ZARZĄDZANIE STREFĄ PRZYBRZEŻNĄ ORAZ URBANISTYKA – PROJEKT NOWYCH SPECJALNOŚCI NA KIERUNKU GOSPODARKA PRZESTRZENNA NA POLITECHNICE GDAŃSKIEJ
PublikacjaNa studiach II stopnia na kierunku gospodarka przestrzenna na Wydziale Architektury Politechniki Gdańskiej w 2017 r. otwierane są dwie specjalności: urbanistyka i zintegrowane zarządzanie strefą przybrzeżną. Trzon programu studiów dla obu specjalności jest wspólny i oparty na dotychczasowych standardach kształcenia na tym kierunku. Specjalność zintegrowane zarządzanie strefą przybrzeżną jest odpowiedzią na konieczność wprowadzenia...
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„Jeśli my zapomnimy, kto będzie pamiętał?". Dzieło sztuki jako manifestacja postpamięci
PublikacjaTekst jest próbą ujęcia relacji między postpamięcią (lub inaczej ujmując - „pamięcią zastępczą”) a sztuką, przy czym szczególny akcent położono na sztuki wizualne. Dokonano analizy dzieł artystów młodszego pokolenia, podejmujących temat pamięci o Szoa (między innymi Libera, Bałka, Żmijewski, do pewnego stopnia Betlejewski), traktując je jako formy manifestacji postpamięci. Wychodząc z założenia, że analiza zjawisk artystycznych...
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Architektoniczne przestrzenie wspólne dizajnu i sztuki
PublikacjaW aspekcie współczesnego wszechobecnego konsumpcjonizmu i ograniczonych możliwości dotarcia do odbiorcy, role obiektów należących do sztuk czystych przejmują obiekty będące wytworami projektantów w zakresie sztuk użytkowych, w tym architektów. Jednocześnie sztuka poszukuje nowych form i środków wyrazu, żeby wzbudzić zainteresowanie. Rozpatrywanym obiektem jest Dom. Oczywistą jego odsłoną jest spełnienie oczekiwanej funkcji wynikającej...
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How to learn better at Polish university?
Kursy Online -
A compact smart sensor based on a neural classifier for objects modeled by Beaunier's model
PublikacjaA new solution of a smart microcontroller sensor based on a simple direct sensor-microcontroller interface for technical objects modeled by two-terminal networks and by the Beaunier’s model of anticorrosion coating is proposed. The tested object is stimulated by a square pulse and its time voltage response is sampled four times by the internal ADC of microcontroller. A neural classifier based on measurement data classifies the...
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VI Międzynarodowe Biennale Malarstwa i Tkaniny Unikatowej. Barwy i Faktury - Gdynia 2011, Muzeum Miasta Gdyni
PublikacjaKatalog wystawy sztuki, która miała miejsce w Muzeum miasta Gdyni. Organizatorem wystawy było stowarzyszenie promocji artystów wybrzeża Era Art w Gdyni. Katalog liczy 120 stron i zawiera tekst krytyczn w języku polskim i angielskim oraz 138 kolorowych reprodukcji prac (prace autora s.38). Wydawcą katalogu jest Muzeum miasta Gdyni.
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Development of a new generation of unmanned surface and underwater vehicles using the advanced technologies and achievements towards the application of control systems by the artificial intelligence AI.
PublikacjaThe operation of offshore structures at sea requires implementation of the advanced systems of permanent monitoring of work of such the installations. Novel solutions concerning such the systems should be associated with application of unmanned maritime surface and underwater platforms. The unmanned maritime platforms are and will be based on application of the newest achievements of some important technologies. Between these technologies...
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Marine and Cosmic Inspirations for AI Algorithms
PublikacjaArtificial Intelligence (AI) is a scientific area that currently sees an enormous growth. Various new algorithms and methods are developed and many of them meets practical, successful applications. Authors of new algorithms draw different inspirations. Probably the most common one is the nature. For example, Artificial Neural Networks were inspired by the structure of human brain and nervous system while the classic Genetic Algorithm...
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Challenges associated with development of AUV - unmanned autonomous underwater vehicles to be operated using the AI-based control systems
PublikacjaThe last decade has been devoted towards further development of the UUV unmanned underwater vehicles which may be of two types. There are the USV unmanned surface vehicles and UUV unmanned underwater vehicles. There is a growing interest to work out and implement the fully advanced AUV autonomous underwater vehicles. The main drivers towards development of such the vehicles are the technologies of autonomous systems, sensors and...
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Decisional-DNA-Based Digital Twin Implementation Architecture for Virtual Engineering Objects
PublikacjaDigital twin (DT) is an enabling technology that integrates cyber and physical spaces. It is well-fitted for manufacturing setup since it can support digitalized assets and data analytics for product and process control. Conventional manufacturing setups are still widely used all around the world for the fabrication of large-scale production. This article proposes a general DT implementation architecture for engineering objects/artifacts...
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SZTUKA WIZUALNA W OBIEKTACH MEDYCZNYCH = VISUAL ARTS IN MEDICAL FACILITIES
PublikacjaWspółczesna architektura obiektów służby zdrowia podlega dynamicznym przeobrażeniom formalnym wynikającym zarówno z rozwoju technologii medycznych, zmian zachodzących w podejściu wobec pacjenta. Narastający w naukach medycznych kierunek holistyczny ustawia pacjenta jako użytkownika w trzech wymiarach: biologicznym, społecznym i psychologicznym. Stąd pojawiające się w procesie projektowym dotyczącym szpitali czy przychodni nowe...
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EU state aid - compatible with the internal market for social reasons
Dane BadawczeThe dataset encompasses a choice of Polish and foreign bibliography, together with a list of important individual EC decisions issued in the period 2007-2013 on state aid delivered to final consumers for social reasons ( in Poland and in selected UE member states), in form of different financial instruments. Thanks to this compilation the reader is...
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Generating optimal paths in dynamic environments using RiverFormation Dynamics algorithm
PublikacjaThe paper presents a comparison of four optimisation algorithms implemented for the purpose of finding the shortest path in static and dynamic environments with obstacles. Two classical graph algorithms –the Dijkstra complete algorithm and A* heuristic algorithm – were compared with metaheuristic River Formation Dynamics swarm algorithm and its newly introduced modified version. Moreover, another swarm algorithm has been compared...
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Small regulatory bacterial RNAs regulating the envelope stress response
PublikacjaMost bacteria encode a large repertoire of RNA-based regulatory mechanisms. Recent discoveries have revealed that the expression of many genes is controlled by a plethora of base-pairing noncoding small regulatory RNAs (sRNAs), regulatory RNA-binding proteins and RNA-degrading enzymes. Some of these RNA-based regulated processes respond to stress conditions and are involved in the maintenance of cellular homeostasis. They achieve...
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Application of dispersive liquid-liquid microextraction for the determination of selected organochlorine pesticides in honey by gas chromatography - mass spectrometry
PublikacjaDispersive liquid-liquid microextraction (DLLME) is a rapid and easy technique that consumes minute amounts of organic solvents. In this work, we present chemometric study on optimization of DLLME parameters for the extraction of aldrin, endrin, lindane, alfa-endosulfan, 4,4'-DDT and its metabolites from honey matrix. Method quantification limits (MQLs) vary between 0.3 ng/g for 2,4'-DDE and 4,4'-DDE to 13.2 ng/g for alfa-endosulfan...
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BP-EVD: Forward Block-Output Propagation for Efficient Video Denoising
PublikacjaDenoising videos in real-time is critical in many applications, including robotics and medicine, where varying light conditions, miniaturized sensors, and optics can substantially compromise image quality. This work proposes the first video denoising method based on a deep neural network that achieves state-of-the-art performance on dynamic scenes while running in real-time on VGA video resolution with no frame latency. The backbone...
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Future of medicine: personalized oncology
PublikacjaUnderstanding genetic and epigenetic mechanisms of tumorigenesis allows identifying many vital mutations affected the formation of various malignancies. This led to the discovery of a new therapeutic approach, based on molecular mechanisms in the world of medicine, which is called personalized medicine (PM). This review aims to outline the state of the art of the personalized medicine in treatment, taking into account anti-cancer...
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Usage of Two-Center Basis Function Neural Classifiers in Compact Smart Resistive Sensors
PublikacjaA new solution of the smart resistance sensorwith the Two-Center Basis Function (TCBF) neuralclassifier, for which the resistance sensor is a component ofan anti-aliasing filter of an ADC is proposed. Thetemperature measurement procedure is based on excitationof the filter by square impulses, sampling time response ofthe filter and processing measured voltage values by theTCBF classifier. All steps of the measurement procedure...
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Genetic and pharmacologic proteasome augmentation ameliorates Alzheimer’s-like pathology in mouse and fly APP overexpression models
PublikacjaThe proteasome has key roles in neuronal proteostasis, including the removal of misfolded and oxidized proteins, presynaptic protein turnover, and synaptic efficacy and plasticity. Proteasome dysfunction is a prominent feature of Alzheimer’s disease (AD). We show that prevention of proteasome dysfunction by genetic manipulation delays mortality, cell death, and cognitive deficits in fly and cell culture AD models. We developed...
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Architektura współczesnego muzeum i jej znaczenie dla tożsamości krajobrazu miasta = The Architecture of Contemporary Museum and its Significance for the Identity of the Urban Landscape
PublikacjaArtykuł dotyczy architektury współczesnych muzeów, które pod koniec XX w. przeszły znaczący rozwój jako instytucje publiczne. Oprócz specyficznych wymagań technicznych, funkcjonalnych, estetycznych i kulturowych, ich charakterystyczną cechą jest wzrastające zapotrzebowanie na przestrzeń dodatkową służącą edukacji, odpoczynkowi, rozrywce i strefie komercyjnej (handlu i usług). Atrakcyjna przestrzeń publiczna zapewnia dostęp do wszystkich...
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Regulacja napięcia w sieci nN z rozproszonymi źródłami energii
PublikacjaPodłączanie rozproszonych źródeł energii do sieci energetycznych niskiego napięcia powoduje powstawanie problemów zmienności i niesymetrii napięcia, zwłaszcza w przypadku dużych odległości od transformatora zasilającego. W skrajnych przypadkach zachodzi konieczność redukcji mocy generowanej przez źródło podczas oddawaniu energii do sieci. Rozwiązaniem tego problemu jest zastosowanie energoelektronicznego regulatora napięcia składającego...
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Nabywanie nieruchomości przeznaczonych pod drogi publiczne
PublikacjaNabywanie nieruchomości przeznaczonych pod drogi publiczne. Polska na rozwój dróg krajowych w latach 2007 - 2013 otrzymała ponad 10 mld euro unijnego wsparcia. W efekcie powstało prawie 1500 km nowych dróg ekspresowych i autostrad. Należałoby przeanalizować przebieg procesu inwestycyjnego i procedur administracyjnych, aby osiągnąć jeszcze lepsze rezultaty i efektywniej wykorzystywać dotacje przeznaczone na...
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A method of measuring RLC components for microcontroller systems
PublikacjaA new method of measuring RLC components for microcontroller systems dedicated to compact smart impedance sensors based on a direct sensor-microcontroller interface is presented. In the method this direct interface composed of a reference resistor connected in series with the tested sensor impedance is stimulated by a square wave generated by the microcontroller, and then its voltage response is sampled by an internal ADC of the...
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Quantum dots in gas sensing a review
PublikacjaAir pollution becomes an increasing problem in the recent years. There is a need to develop more sensitive gas sensors. Much effort has been performed to develop different types of gas sensors, such as electrochemical sensors or polymer sensors. One of the most promising approaches to improve sensors performance is the application of the nanostructures as sensing materials. State of the art of quantum...
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Prezentacja grafik i akwarel na wystawie modelarstwa szkutniczego i okrętowego, Centrum Wystawienniczo-Regionalne Dolnej Wisły w Tczewie - Fabryka Sztuk, 11-21.08.2011 r.
PublikacjaPrzedmiotem wystawy były grafiki i akwarele o tematyce marynistycznej artysty palstyk Krystyny Pokrzywnickiej- arch. i art. plastyk Krystyna Pokrzywnicka, członkowie zespołu modelarzy szkutniczych ''Koga'': Jarosław Bąkowski, Marian Deja, Mirosław Rybus, Jarosław Ferens, Kazimierz Dembowski, Adam Lasko, Krzysztof Wasilewski, Cezary Szczepanik, Artur Wasilak, Kazimierz Grabowski, Zbigniew Kowalewski, Romuald Sobolewski, Konrad Sołtysik,...
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Genetic and pharmacologic proteasome augmentation ameliorates Alzheimer’s-like pathology in mouse and fly APP overexpression models
PublikacjaThe proteasome has key roles in neuronal proteostasis, including the removal of misfolded and oxidized proteins, presynaptic protein turnover, and synaptic efficacy and plasticity. Proteasome dysfunction is a prominent feature of Alzheimer’s disease (AD). We show that prevention of proteasome dysfunction by genetic manipulation delays mortality, cell death, and cognitive deficits in fly and cell culture AD models. We developed...
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Detail, Facture, and Colour in the Architecture of Polish Single-Family Houses after 1989
PublikacjaThe article presents single-family houses architecture transformations since 1989, with particularly close attention paid to the significance of detail, facture, and colour. The article presents the architecture as an art of designing and building facilities with both use and aesthetic value, an art of shaping space and building forms. Architectural work should correspond to the intended function, technique, economic and aesthetic...
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Hydration of Oxometallate Ions in Aqueous Solution
PublikacjaThe strength of hydrogen bonding to and structure of hydrated oxometallate ions in aqueous solution have been studied by double difference infrared (DDIR) spectroscopy and large-angle X-ray scattering (LAXS), respectively. Anions are hydrated by accepting hydrogen bonds from the hydrating water molecules. The oxygen atom of the permanganate and perrhenate ions form weaker and longer hydrogen bonds to water than the hydrogen bonds...
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Students receiving scholarships in 1990-2011
Dane BadawczeSince 2005, the financial support system for students has been operating on the basis of on the Act of 27 July 2005, the Law on Higher Education (Journal of Laws No. 164, item 1365), as amended, and detailed regulations for determining the amount, awarding and payment of financial assistance benefits for students determined by rectors in consultation...
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Description of the Dataset Rhetoric at School – a Selection of the Syllabi from the Academic Gymnasium in Gdańsk – Transcription and Photographs
PublikacjaThe research dataset described in the article was based on photographs and transcription of a textual record from Latin syllabi for classes at the Gdańsk Academic Gymnasium. The syllabi concern the years 1645/1648/1652/1653. The original document is held in the collection of the Gdańsk Library of the Polish Academy of Sciences [reference number: Ma 3920 8o]. The collected research material can be used for studying the practical...
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Medley filters - simple tools for efficient signal smoothing
PublikacjaMedley filters are defined as convex combinations of elementary smoothing filters (averaging, median) with different smoothing bandwidths. It is shown that when adaptive weights of such a mixture are evaluated using the recently proposed Bayesian rules, one obtains a tool which often outperforms the state-of-the-art wavelet-based smoothing algorithms. Additionally, unlike wavelet-based procedures, medley filters can easily cope...
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The reactions of dialkyl phosphites and phosphine oxides with iodosylbenzene
PublikacjaThe reaction of iodosylbenzene with >P(O)H type of acids (dialkyl phosphites, secondary phosphine oxides) was studied. The acids of >P(O)H type add to iodosylbenzene to yield intermediate 6 which in the aprotic solvents yields oxidation products, it means >P(O)OH acids and/or anhydride of >P(O)OP(O)< type. On the other hand if the reaction is performed in alcohol as a solvent in the presence of sodium alcoholate >P(O)OR ester is...
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Research on the phenomena of warming up and free cooling down the car engine
PublikacjaThe average cold start temperature in Europe is 9 degrees C. However, not the average is the most important for the composition of exhaust gases and associated air pollution. The most onerous for the environment are the winter starts when automotive emissions of harmful gases add up in cities with those of home heating systems. The paper presents preliminary studies of warming up and cooling down processes in various environmental conditions....
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Ekspertyza dotycząca odpowiedzi na pytanie: "czy cyfrowe aparaty fotograficzne są urządzeniami reprograficznymi?"
PublikacjaEkspertyza ma na celu rozstrzygnięcie kwestii, czy cyfrowe aparaty fotograficzne są urządzeniami reprograficznymi oraz czy można je zakwalifikować do grupy urządzeń o których mowa w Ustawie z dnia 4 lutego 1994 r. o prawie autorskim i prawach pokrewnych Dz.U. 1994 Nr 24 poz. 83 z późniejszymi zmianami (w szczególności art. 20 ust. 1 pkt.2).
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Pulse-Width Modulation of Power Electronic DC–AC Converter
PublikacjaThe Second Edition of High Performance Control of AC Drives with Matlab®/Simulink delivers an updated and thorough overview of topics central to the understanding of AC motor drive systems. The book includes new material on medium voltage drives, covering state-of-the-art technologies and challenges in the industrial drive system, as well as their components, and control, current source inverter-based drives, PWM techniques for...
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The AFM micrographs of gold nanoparticles on silicon substrate
Dane BadawczeThe dataset contains the first approach towards AFM topographic imaging of gold nanoparticles synthesized and immobilized on the silicon surface. Measurements were made in the semi-contact mode on the NTEGRA Prima device, manufactured by NT-MDT. Scans were performed with amplitude detection at an operating value of 60% of the free oscillation amplitude....
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Temat 2: Site-Specific, Land Art, Interwencja - Projekt formy przestrzennej w skali 1:1
Kursy OnlineKrótki opis problematyki zajęć: Miejsce, przestrzeń, czas, odczucie, emocje, twórcze przetworzenie. Zadanie projektowe odnosi się do działań artystycznych i projektowych z obszaru Site-Specific, Land Art oraz Interwencja w różnych lokalizacjach. W zadaniu powinna być uwzględniona specyfika przestrzenna i historyczna Kampusu Politechniki Gdański. Należy zaprojektować i zrealizować obiekt lub zespół obiektów w skali 1:1 zintegrowanych...
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Passive sampling and/or extraction techniques in environmental analysis: a review
PublikacjaThe current state-of-the-art of passive sampling and/or extraction methods for long-term monitoring of pollutants in different environmental compartments is discussed in this review. Passive dosimeters that have been successfully used to monitor organic and inorganic contaminants in air, water, sediments, and soil are presented. The application of new approaches to the determination of pollutants at the sampling stage is discussed....
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Strahlungslose Übertragung von Elektronenanregungsenergie bei zweidimensionalen lumineszierenden Systemen
PublikacjaAn expression for the photoluminescence (PhL) quantum yield of donors in two-dimensional systems as depending on the concentration ratio nD'/nA' of donors and acceptors has been obtained. In the particular case nD' ⪡ nA' the expression reduces to the form given by other authors. The obtained formula can also be applied to the description of the concentrational quenching of PhL when dimers act as acceptors. The theory has been...
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Noise spectral density computation based on finite element model of piezoceramic sensor
PublikacjaThe high sensitivity with wide bandwidth is required for sensor applications in non-destructive testing (NDT). The sensitivity of piezoceramic sensors demands to minimize their noise especially thermal noise, polarisation noise and low frequency 1/f noise,which are the main sources of voltage or current fluctuation in this sort of sensors. For simplicity, only the piezoceramic part of sensor was under study. the theoretical and...