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Search results for: SMART INNOVATION ENGINEERING PRODUCT INNOVATION CYBER PHYSICAL SYSTEM INDUSTRY 4.0 SET OF EXPERIENCE
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A Point Set Connection Problem for Autonomous Mobile Robots in a Grid
PublicationConsider an orthogonal grid of streets and avenues in a Manhattan-like city populated by stationary sensor modules at some intersections and mobile robots that can serve as relays of information that the modules exchange, where both module-module and module-robot communication is limited to a straight line of sight within the grid. The robots are oblivious and move asynchronously. We present a distributed algorithm that, given...
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Equivariant degree of convex-valued applied to set-valued BVP
PublicationW pracy określono stopień ekwiwariantny dla odwzorowań o wartościach zwartych i wypukłych. Zastosowano go do dowodu twierdzenia o istnieniu wielunietrywialnych rozwiązań problemu brzegowego typu Dirichleta dla inkluzji różniczkowych z warunkami wzrostu typu Bernsteina-Nagumo, z dodatkowymi symetriami
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OCENA WYNIKÓW SCZEPNOŚCI MIĘDZYWARSTWOWEJ DWUWARSTWOWO WBUDOWANEJ PODBUDOWY ASFALTOWEJ NA KONTRAKCIE „BUDOWA OBWODNICY MIĘDZYRZECZA W CIĄGU DROGI EKSPRESOWEJ S3 – KM 0+000 – KM 6+370"
PublicationCelem pracy jest analiza i ocena jakości połączenia dwóch warstw technologicznych podbudowy z betonu asfaltowego AC 22 P 35/50, wbudowanej w ramach realizacji kontraktu „Budowa obwodnicy Międzyrzecza w ciągu drogi ekspresowej S3 km 0+000 – km 6+370.
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Evidence of the impact of sport policies on physical activity and sport participation: a systematic mixed studies review
PublicationParticipation in sport contributes to increased physical activity (PA) levels. Increasing PA is a public health concern due to its recognised impact on health outcomes. International policy actors such as the Council of Europe, the World Health Organisation (WHO) and the International Society for Physical Activity and Health (ISPAH) have recommended that ‘sport for all’ is promoted both for public health and as a basic right. This...
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Psychological and physical components in forming preferences on urban greenery management – The case of trees
PublicationPublic opinion is increasingly important in managing urban greenery. In this regard, this study demonstrates the importance of sociological (environmental worldviews), psychological (place attachment, perceived benefits of trees), and physical factors (type of building people live in, and urban greenery) in forming residents’ opinions on whether the municipality or landowners should decide about tree removal on private land. Logistic...
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On power stream in motor or drive system
PublicationIn a motor or in a drive system the quantity of power increases in the direction opposite to the direction of power flow. Energy losses and energy efficiency of a motor or a drive system must be presented as functions of physical quantities independent of losses. Such quantities are speed and load. But the picture of power stream in a motor or in a drive system is presented in the literature in the form of traditional Sankey...
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Physical modelling of water flow in 'Wild River' type water slide
PublicationPrzedstawiono wyniki fizycznego modelowania przepływu w zjeżdżalni wodnej typu Dzika Rzeka. Badania dotyczyły obiektu należącego do parku wodnego "Świat Wodny Nemo" w Sopocie. Eksperymenty przeprowadzono w Laboratorium Hydrauliki i Inżynierii Środowiska Politechniki Gdańskiej. Zaobserwowany w systemie kanałów i zbiorników przepływ wody można ocenić jako szybkozmienny. Wskutek zmian spadku dna kanałów oraz łuków trasy zjazdu obserwowano...
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Epidemiology of type 1 diabetes among Silesian children aged 0–14 years, 1989–2005
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Towards improved energy efficiency of future smart ships by application of advanced CFD simulations – case study
PublicationThe international trade plays crucial role in today’s globally developed world’s economy. Many people are unaware of the unimaginable volume of cargo being transported every year by oceans and seas. For most of the time invisible from land the shipping industry preserves its strong position of the most cost-efficient and environmental friendly mean of transport. However during last years the shipping industry is under great pressure...
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Anion recognition by α-arylazo-N-confused calix[4]pyrroles
PublicationZsyntezowano nowe azowe pochodne N-odwróconych kaliks[4]piroli na drodze sprzęgania z różnymi solami arylodiazoniowymi. Zbadano zdolność kompleksowania anionów w chlorku metylenu oraz w acetonitrylu przez otrzymane związki z zastosowaniem spektrofotometrii UV-Vis.
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Real Estate Value Tax Based on the Latvian Experience
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Towards Methodology for User Experience Measurement in On-line Services
PublicationArtykuł prezentuje wyniki badań, których celem była identyfikacja czynników kształcących jakość postrzeganą wybranych usług on-line udostępnianych przez Internet oraz ocena wpływu czynników kształtujących lojalność ich użytkowników. Badania wykazały, że czynnikami najbardziej istotnymi są: ''atrakcyjna cena'', następnie ''poczucie bezpieczeństwa'' oraz ''wyczerpująca informacja'', a w dalszej kolejności ''wygoda'' korzystania z...
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Management of tracheostomy in COVID-19 patients: The Japanese experience
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Sources and reasons for applying the violence in the family: experience of Poland
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Research - based technology education – the EDURES partnership experience
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Experience of hybrid constructed wetlands operation in Gdansk region
PublicationThe investigation were carried out at five local hybrid constructed wetlands (HCWs), which secured biological treatment of domestic wastewater generated from 15 to 600 pe. Based on over two years monitoring it was indicated that HCWs ensured very effective removal of organic matter from 74.9 to 95.5 COD % in wild range of loadings (1.5 - 17.0g COD/ m3day). Efficiency of total nitrogen removal varied significantly from 23.4 two...
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Experience based enhanced decision support for business processes
PublicationPrzedstawiono koncepcje wspomagania procesow biznesowych poprzez wprowadzneie do modelu zbioru doswiadczen.
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The adaptive spatio-temporal clustering method in classifying direct labor costs for the manufacturing industry
PublicationEmployee productivity is critical to the profitability of not only the manufacturing industry. By capturing employee locations using recent advanced tracking devices, one can analyze and evaluate the time spent during a workday of each individual. However, over time, the quantity of the collected data becomes a burden, and decreases the capabilities of efficient classification of direct labor costs. However, the results obtained...
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Simple and low-cost wireless voting system
PublicationThis paper presents the concept of a simple and low-cost wireless voting system working on the 868 MHz frequency band. Described system is dedicated to general shareholders assemblies but it can be easily adapted for other applications. The main advantage is its simplicity and mobility as it consists solely of three components - voting modules, base station and a PC application from which the whole system is managed. This architecture...
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Digital phase-location system for marine applications
PublicationThis paper presents concept and implementation of digital phase-location system, designed as a navigational aid for marine applications. Main feature of proposed system is the ability to work in both synchronous mode, with one master station and set of slave stations synchronized with master, and in asynchronous mode with independent clocking of all stations.
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Crystal structure and physical properties of AePd1-xP1+x (Ae = Ca, Sr)
PublicationWe report the discovery of two new compounds AePd1-xP1+x (Ae = Ca, Sr) crystallized in different hexagonal structures. Single crystals of AePd1-xP1+x (Ae = Ca, Sr) are obtained using the Bi-flux method. Crystallographic analysis by both powder and single crystal X-ray diffraction shows that CaPd1-xP1+x crystallizes in a non-centrosymmetric hexagonal structure with the space group P-6m2 (No.187) and lattice parameters a = b = 4.0391(9)...
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Quantum corrections to phi^4 model solutions and applications to Heisenberg chain dynamics
PublicationThe Heisenberg spin chain is considered in φ^4 model approximation. Quantum corrections to classical solutions of the one-dimensional φ^4 model within the correspondent physics are evaluated with account of rest d−1 dimensions of a d-dimensional theory. A quantization of the model is considered in terms of spacetime functional integral. The generalized zeta-function formalism is used to renormalize and evaluate the functional integral...
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Recycled Polyethylene terephthalate (PET) as Construction Material in Civil Engineering: A Review
PublicationIn general, the quantity of plastics of all types consumed annually all over the world has been growing in a phenomenal way. The manufacturing processes, service industries and municipal solid wastes (MSW) generate numerous waste plastic materials. The increasing awareness about the environment has tremendously contributed to the concerns related with disposal of the generated wastes. It is believed that the management of solid...
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Eye-Gaze Tracking-Based Telepresence System for Videoconferencing
PublicationAn approach to the teleimmersive videoconferencing system enhanced by the pan-tilt-zoom (PTZ) camera, controlled by the eye-gaze tracking system, is presented in this paper. An overview of the existing telepresence systems, especially dedicated to videoconferencing is included. The presented approach is based on the CyberEye eye-gaze tracking system engineered at the Multimedia Systems Department (MSD) of Gdańsk University of Technology...
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[Rozdział] 4. Spójność pomiarowa
PublicationPrzedstawiono charakterystykę spójności pomiarowej jako niezbędnego elementu każdego pomiaru. Opisano strukturę metrologiczną oraz wymagania jakie muszą być spełnione w celu zachowania spójności pomiarowej.
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Functional Safety and Cybersecurity Analysis and Management in Smart Manufacturing Systems
PublicationThis chapter addresses some of the issues of the integrated functional safety and cybersecurity analysis and management with regard to selected references and the functional safety standards: IEC 61508, IEC 61511, ISO 13849-1 and IEC 62061, and a cybersecurity standard IEC 62443 that concerns the industrial automation and control systems. The objective is to mitigate the vulnerability of industrial systems that include the information...
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Anion recognition by phosphonium calix[4]arens: synthesis and physico-chemical studies
Publicationp-tert-butylcalix[4]arenes in the cone conformation, di-and tetra substituted at the narrow rim with charged phosphonium groups have been synthesies and characterised.
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A decision-making system supporting selection of commanded outputs for a ship's propulsion system with a controllable pitch propeller
PublicationThe ship's operators have to make decisions regarding the values of commanded outputs (commanded engine speed and pitch ratio) which ensure maximum vessel speed and minimum fuel consumption. Obviously, the presented decision problems are opposed. Therefore, there is a need for a compromise solution that enables more flexible vessel voyage planning. This paper deals with development of a computer-aided system supporting selection...
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Wilga Photonics and Web Engineering 2011
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WILGA Photonics and Web Engineering 2010
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WILGA Photonics and Web Engineering 2010
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Knowledge Views and their application in systems engineering
PublicationWykorzystanie technologii Semantic Web, w szczególności baz wiedzy, w przemyśle informatycznym jest niewielkie. Jest to spowodowane między innymi dużym ryzykiem związanym z wdrażaniem nowych technologii i brakiem wiedzy na ich temat ze strony inżynierów oprogramowania. Aby zmniejszyć ryzyko związane z wdrażaniem baz wiedzy i zminimalizować nakład pracy inżynierów na zapoznanie się z nimi, w niniejszej pracy zaproponowano koncepcję...
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Engineering a de Novo Transport Tunnel
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Applications of the Future Internet Engineering Project
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Surface shape reverse engineering with nurbs
PublicationW artykule zaprezentowano algorytm, który interpoluje prostokątną tablice punktów w przestrzeni trójwymiarowej przy pomocy powierzchni NURBS. Algorytm oblicza parametry powierzchni NURBS tak, aby jak najwierniej oddać kształt opisany przez punkty. Do interpolacji punktów wybrano powierzchnię NURBS, jako najbardziej uniwersalny i najczęściej używany w programach CAD rodzaj powierzchni. Interpolowane punkty mogą pochodzić zarówno...
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Faculty of studies managment and engineering of production
PublicationW pracy przedstawiono założenia programowe dla kierunku studiów pierwszego stopnia (inżynierskie) Zarządzanie i Inżynieria Produkcji opracowane w ramach standardów kształcenia. Zaprezentowano: ustalenia ogólne, kwalifikacje absolwenta, ramowe treści kształcenia oraz wymagania programowe.
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Modal diagnostics of civil engineering structures.
PublicationKsiążka dotyczy zastosowania analizy modalnej do diagnostyki konstrukcji budowlanych.
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Engineering contribution for cartilage cultivation in bioreactor.
PublicationPraca omawia metody oraz korzyści wynikające z hodowli tkanek w bioreaktorach w zakresie inżynierii tkankowej. Przedstawiono również współczesne technologie, w tym nanotechnologie, towarzyszące hodowli chrząstek stawowych w bioreaktorach. Praca prezentuje także nowe trendy badawcze w zakresie procesu doskonalenia i optymalizacji hodowli tkanek dla potrzeb medycyny.
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How to teach sustainable structural engineering.
PublicationNa podstawie analizy toretycznej i doświadczeń praktycznych - autora jako profesora politechniki, badacza i praktykującego inżyniera - uzyskanych w niniejszym pięćdziesięcioleciu, przedstawiono ogólny stan obecny zrównoważonej inżynierii i jej akcentowanie w Politechnice Gdańskiej.
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Engineering theory and practice: wisdom of thinking
PublicationOmówiono wzajemny związek teorii i praktyki w rozwijaniu zawodowych umiejętności inżynierów. Teorię rozumie się tu jako zdolność do kreatywnego myślenia - źródła wszelkiej działalności człowieka. Dlatego należy kłaść nacisk na wysoki poziom kształcenia ogólnego w szkole średniej i na samej uczelni aby w wyniku otrzymać intelektualnie dojrzałych inżynierów-humanistów
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An innovative method of measuring the extension of the piston rod in hydraulic cylinders, especially large ones used in the shipbuilding and offshore industry
PublicationThe article presents the results of selected works related to the wider subject of research conducted at the Faculty of Mechanical Engineering and Shipbuilding at the Gdańsk University of Technology, regarding designing various on board devices with hydraulic drive for ships and other offshore facilities. One of the commonly used these mechanisms are hydraulic actuators with the measurement of the piston rod extension. The issue...
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Design thinking qualifications framework – standardizing the innovative approach to entrepreneurial education delivery to engineering students
PublicationHighly competitive labor market stimulates increasing expectations towards fresh university alumni. It is not enough to be an expert - well educated and often experienced - in chosen discipline. High variability of the business environment, continuous change, number of risks, together with higher work demand than supply, shape clear employers’ expectations: entrepreneurial employees are wanted. On this ground a need for entrepreneurial...
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Awareness of patients suffering from selected chronic diseases of the importance of physical activity in treating their disorders
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Strong-coupling superconductivity of SrIr2 and SrRh2 : Phonon engineering of metallic Ir and Rh
PublicationExperimental and theoretical studies on superconductivity in SrIr2 and SrRh2 Laves phases are presented. The measured resistivity, heat capacity, and magnetic susceptibility confirm the superconductivity of these compounds with Tc = 6.07 and 5.41 K, respectively. Electronic structure calculations show that the Fermi surface is mostly contributed by 5d (4d) electrons of Ir (Rh), with Sr atoms playing the role of electron donors....
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The cellular response of human colon carcinoma HCT116 cells to 4-methyl-1-nitroacridine derivative C-1748 treatment depending on p53 status
PublicationWykazano, że pochodna C-1748 indukuje apoptozę w komórkach linii ludzkich raków jelita grubego HCT116 p53+/+ i p53-/- w sposób zależny od czasu inkubacji i stężenia związku. Wskazują na to: pojawienie się frakcji komórek sub-G1, charakterystyczne zmiany w morfologii jąder komórkowych, zmiany w strukturze błony plazmatycznej. Ponadto, pod wpływem badanego związku komórki HCT116 p53+/+ wykazują większą podatność do ulegania apoptozie...
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Risk Diagnosis and Management with BBN for Civil Engineering Projects during Construction and Operation
PublicationThe authors demonstrate how expert knowledge about the construction and operation phases combined with monitoring data can be utilized for the diagnosis and management of risks typical to large civil engineering projects. The methodology chosen for estimating the probabilities of risk elements is known as Bayesian Belief Networks (BBN). Using a BBN model one can keep on updating the risk event probabilities as the new evidence...
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A compact smart resistive sensor based on a microcontroller
PublicationPrzedstawiono nowe rozwiązanie inteligentnego czujnika rezystancyjnego bazującego na mikrokontrolerze, w którym czujnik rezystancyjny jest elementem składowym filtra anty-aliazingowego przetwornika A/C. Procedura pomiaru temperatury obejmuje pobudzenie filtra dwoma impulsami prostokątnymi o zadanym czasie trwania oraz próbkowanie jego odpowiedzi czasowej. Następnie na podstawie wartości pomierzonych próbek napięcia wyznaczana jest...
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THE IMPACT OF STANDARDISATION METHOD ON SMART CITY RANKING
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Network society: a concept of smart information management
PublicationAutomatic enhancement of Internet broadcasted news has been recently gaining increasing importance and interest. Existing applications and models of textual Event Detection in online media are based on the analysis of news distributed via RSS (Rich Site Summary called also Really Simple Syndication) channels or available at news websites. It assumes that each piece of news is equally available to the reader and, therefore, describes...
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Searching for smart solutions:Comparative study of Gdansk and Glasgow
PublicationThis chapter is the executive summary of undertaken comparative study between Gdansk and Glasgow.