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- Publikacje 3766 wyników po odfiltrowaniu
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Interactions of amphotericin B derivatives with lipid membranes - a molecular dynamics study
PublikacjaW pracy analizowano oddziaływanie dwóch nisko-toksycznych pochodnych amfoterycyny B (związki SAmE i PAmE) z modelami błon lipidowych. Badania wykonane zostały za pomocą dynamiki molekularnej. Modele błon oprócz fosfolipidów DMPC zawierały odpowiednio cholesterol (model błony zwierzęcej) lub ertosterol (model błony grzybowej). Analiza wyników wykazała, że obie pochodne amfoterycyny B zachowują się inaczej w błonie cholesterolowej...
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Fake VIP Attacks and Their Mitigation via Double-Blind Reputation
PublikacjaIn a generic setting subsuming communication networks, resource sharing systems, and multi-agent communities, a client generates objects of various classes carrying class-dependent signatures, to which a server assigns class-dependent service quality. A Fake VIP attack consists in false declaration of a high class, with an awareness that detection of object signature at the server side is costly and so invoked reluctantly. We show...
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The hydrodynamic pressure field of the ship Zodiak, measurements and calculations
PublikacjaThe article presents the results of measurements of the slowly changing hydrodynamic pressure field HPF generated by the movement of the ship, Zodiak, in the Bay of Gdansk. The measurement results have been obtained in the framework of the program of the work in Siramis, under the auspices of the European Defence Administration of the EU, by the research team of the Naval Academy in Gdynia. The measurement results were compared with...
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Bibliographic data on datasets (from 2020) affiliated to Most Wiedzy and indexed in Data Citation Index (retrieved by Web of Science service in December 2021)
Dane BadawczeThe file contains the number of datasets published by the researchers affiliated to Most Wiedzy and indexed in Data Citation Index by Web of Science. The Search was perfprmed using the name of institution in the 'assress' filed or 'group author' field. Data retrieved and published during the 5th Open Science Conference (1-3.12.2021).
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The Bridge of Knowledge – defining and implementing national Open Access policy by Polish universities. Gdansk University of Technology perspective
PublikacjaThe European Commission states that Open Access to scientific resources funded by the European Union shall facilitate the use of research results financed from the public funds. Moreover, it will cause an increase in the innovative capacity of Europe. The Open Access landscape is determined by several factors such as mandates. The open mandate may be voluntary or mandatory and implemented at the institutional, national or international...
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Projektowanie okrętu I, W, P, Budowa okrętów, sem.03, zimowy 22/23
Kursy OnlineMateriały pomocnicze dla przedmiotu Projektowanie okrętu I (PG_00056282), I st. sem. 3 sem, kierunek Budowa Okrętów
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Projektowanie okrętu I, W, P, Budowa okrętów, sem.03, zimowy 23/24
Kursy OnlineMateriały pomocnicze dla przedmiotu Projektowanie okrętu I (PG_00056282), I st. sem. 3 sem, kierunek Budowa Okrętów
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Cable-stayed cantilever structures as an expat of unique application in the construction of a building located in seismic area – an author’s project of multifunctional building in Lisbon, Portugal
PublikacjaThe article presents numerical simulations for the modelling of seismic impact on the structure of unique cantilever cablestayed structure with application of two methods. The Response Spectrum method, in which a spectrum of the structure's responses to an earthquake's impact is generated and the Accelerogram method, in which we generate dynamic load in the form of a diagram of the connection between acceleration and time for...
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Obsługa dużych generatorów ruchu - Transport - 2023/24
Kursy OnlineKurs przeznaczony dla studentów II semestru studiów II stopnia na kierunku Transport, którzy wybrali ten przedmiot obieralny.
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Next generation radio communication systems (October 2023)
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The influence of SVC on the progress of voltage collapse
PublikacjaThe article presents the simulation concerning the cooperation of SVC circuit with a generative set in time, when of power system reaches low values which may lead to the fall-out of generator from the synchronous operation.
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Bibliographic data on datasets affiliated to Most Wiedzy and indexed in Data Citation Index (retrieved by Web of Science service in December 2021)
Dane BadawczeThe file contains the number of datasetes published by the reserchers affiliated to Most Wiedzy and indexed in Data Citation Index provided by Web of Science. The Search was performed using the name of institution in the 'address' filed or 'group author' filed . Data retrieved and published during the '5th Open Science Conference (1-3.12.2021).
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Numerical Simulations of Hydrodynamic Open-Water Characteristics of a Ship Propeller
PublikacjaThe paper presents the results of numerical simulations of ship propeller operation bearing the name of Propeller Open Water (POW) Tests. The object of tests was a sample ship propeller (PPTC1), the geometrical and kinematic data of which are available, along with the results of model tests, on the official page of the research centre involved in the measurements. The research aimed at verifying the correctness of results of numerical...
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Temesgen Amibo PhD student
OsobyMy name is Temesgen Abeto Amibo, I'm PhD. student at Gdansk University of Technology under the faculity of Chemistry and Depertment of Process Engineering and Chemical Technology. I was Graduted BSc. and MSc. in Chemical Engineering from Jimma University, since 2017 and 2020GC. I have been there serving as acadamic Lecturere from 2020 to september 2022.
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SAMOCHÓD SPORTOWY DUOMOTO NAPĘDZANY DWOMA SILNIKAMI SPALINOWYMI
PublikacjaPrzedstawiono zaprojektowany i zbudowany przez zespół czterech dyplomantów Wydziału Mechanicznego Politechniki Gdańskiej samochód sportowy napędzany dwoma silnikami. Jeden z nich umieszczono z przodu pojazdu. Przekazuje on moment obrotowy na koła osi przedniej poprzez zespolony układ napędowy. Drugi silnik, usytuowany ztyłu pojazdu, w identyczny sposób przekazuje moment napędowy na koła osi tylnej....
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Research project I (February 2024)
Kursy OnlineThis is the course for English-speaking students of Research project I. Access code: KSiSR2024 If you have some problem with access to the course please sent me e-mail to: slagaj@eti.pg.edu.pl (give me the name and your id number).
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A Study of Transport Behaviour of Academic Communities
PublikacjaAn important challenge to achieving sustainable university campuses is ensuring that the academic community makes sustainable transport choices. The objective of this study was to investigate the daily commuting patterns, identify the potential for change, and determine the factors and criteria affecting the transport decisions of academic communities of two universities located in Gdansk, Poland. This paper summarizes the results...
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Manufacturing and Recycling Impact on Environmental Life Cycle Assessment of Innovative Wind Power Plant Part 2/2
PublikacjaThe process of conversion of wind kinetic energy into electricity in innovative wind power plant emits practically no harmful substances into the environment. However, the production stage of its components requires a lot of energy and materials. The biggest problem during production plan-ning process of an innovative wind power plant is selection of materials and technologies and, consequently, the waste generated at this stage....
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Sewage gardens - constructed wetlands for single family households
PublikacjaDuring the last 30 years the increase of interest in low-cost decentralized and small wastewater treatment plants (WWTP) is observed in Europe. For this purpose sand filters, stabilization ponds, mini reactors with activated sludge, trickling filters and treatment wetlands are used. Among the listed facilities treatment wetlands (TWs) offer effective and reliable treatment efficiency, being at the same time low-cost and simple...
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Bibliographic data on datasets affiliated to Maria Curie-Skłodowska University and indexed in Data Citation Index (retrieved by Web of Science service in February2022)
Dane BadawczeThe file contains the number of datasets published by the researchers affiliated to Maria Curie-Skłodowska University and indexed in Data Citation Index provided by Web of Science. The Search was performer using the name of institution in the address field or group author field. Data retrieved and published during the 5th Open Science Conference (1-3.12.2021)
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Bibliographic data on datasets affiliated to University of Technology and Humanities in Radom and indexed in Data Citation Inex (retrievd by Web of Science service in December 2021)
Dane BadawczeThe file contains the number of datasets published by the researchers affiliated to University of Technology and Humanities in Radom and indexed in Data Citation Index provided by Web of Science. The Search was performed using the name of institution in the address field or group author field. Data retrieved and published during the 5th Open Science...
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Application of Stirling Engine Type Alpha Powered by the Recovery Energy on Vessels
PublikacjaThe Stirling engine is a device, in which thermal energy is transformed into mechanical without a contact between the heat carrier, and the working gas closed in the engine. Mentioned feature makes this type of engine very attractive for the use of the recovery energy, taken from other heat devices. One of the potential applications of Stirling engines is the use of thermal energy generated in the ship's engine room for producing...
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Bibliographic data on datasets affiliated to Gdansk University of Technology and indexed in Data Citation Index (retrieved by Web of Science service in December 21)
Dane BadawczeThe file contains the number of datasets published by the researchers affiliated to Gdansk University of Technology and indexed in Data Citation Index provided by Web of Science. The Search was performed on the 1st of December 2021 using the name of institution in the 'address' and 'group author' field. Data retrieved and published during the 5th Open...
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The Chow Ring of flag manifolds
Dane BadawczeSchubert calculus is the intersection theory of 19th century. Justifying this calculus is the content of the 15th problem of Hilbert. In the course to establish the foundation of algebraic geometry, Van der Vaerden and A. Weil attributed the problem to the determination of the chow ring of flag manifolds G/P, where G is a compact Lie group and P is...
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Practical aspects of Flow Thinning optimization
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Fair Optimization and Networks: A Survey
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A robust optimization model for affine/quadratic flow thinning: A traffic protection mechanism for networks with variable link capacity
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Optimization of Wireless Networks for Resilience to Adverse Weather Conditions
PublikacjaIn this chapter, we consider how adverse weather conditions such as rain or fog affect the performance of wireless networks, and how to optimize these networks so as to make them robust to these conditions. We first show how to analyze the weather conditions in order to make them useful for network optimization modelling. Using an example realistic network, we show how to optimize two types of wireless networks: free-space optical...
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Space Vector Pulsewidth Modulation Strategy for Multilevel Cascaded H-Bridge Inverter With DC-Link Voltage Balancing Ability
PublikacjaSpace vector pulsewidth modulation (SVPWM) algorithms for cascaded H-bridge multilevel (CHB ML) inverter usually provide the possibility of using several combinations of active voltage vectors to generate the same output voltage vector. For preselected H-bridges, some of them may generate output voltages opposite to the assumed direction. This results in the change of the dc-link voltages of these H-bridges in the opposite direction...
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Wpływ układów SVC na rozwój awarii napięciowej
PublikacjaArtykuł prezentuje badania symulacyjne dotyczące wspłpracy układu SVC z zespołem wytwórczym w czasie, gdy napięcie systemu elektroenergetycznego osiąka niskie wartości mogące prowadzić do utraty synchronizmu przez generator synchroniczny.
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Structure and the space vector modulation for a medium-voltage power-electronic-transformer based on two seven-level cascade H-bridge inverters
PublikacjaThis study presents the structure and the space vector pulse-width modulation (SVPWM) for power electronic transformer (PET) based on two seven-level cascade H-bridge (CHB) inverters. The DC links of CHB inverters are coupled with nine dual-active bridge (DAB) converters with medium-frequency transformers. The DC-link voltages are equalised with two methods – through the control of DAB voltages...
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Scheduling on Uniform and Unrelated Machines with Bipartite Incompatibility Graphs
PublikacjaThe problem of scheduling jobs on parallel machines under an incompatibility relation is considered in this paper. In this model, a binary relation between jobs is given and no two jobs that are in the relation can be scheduled on the same machine. We consider job scheduling under the incompatibility relation modeled by a bipartite graph, under the makespan optimality criterion, on uniform and unrelated machines. Unrelated machines...
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Jacek Ryl dr hab. inż.
OsobyStopień doktora nauk technicznych uzyskał w roku 2010. W tym samym roku podjął pracę w Katedrze Elektrochemii, Korozji i Inżynierii Materiałowej na Wydziale Chemicznym. W 2018 roku uzyskał stopień doktora habilitowanego nauk technicznych w dyscyplinie technologia chemiczna. Od 2021 roku zatrudniony w Instytucie Nanotechnologii i Inżynierii Materiałowej Wydziału Fizyki Technicznej i Matematyki Stosowanej PG. W pracy naukowej skupia...
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Seminarium specjalnościowe Analityk Danych 2022/2023
Kursy OnlineSeminarium specjalnościowe (PG_00049176) Specjalność: Analityk danych (WFTiMS), I stopnia - licencjackie, stacjonarne
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Application of Msplit method for filtering airborne laser scanning data sets to estimate digital terrain models
PublikacjaALS point cloud filtering involves the separation of observations representing the physical terrain surface from those representing terrain details. A digital terrain model (DTM) is created from a subset of points representing the ground surface. The accuracy of the generated DTM is influenced by several factors, including the survey method used, the accuracy of the source data, the applied DTM generation algorithm, and the survey...
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Application of the Msplitmethod for filtering airborne laser scanning data-sets to estimate digital terrain models
PublikacjaALS point cloud filtering involves the separation of observations representing the physical terrain surface from those representing terrain details. A digital terrain model (DTM) is created from a subset of points representing the ground surface. The accuracy of the generated DTM is influenced by several factors, including the survey method used, the accuracy of the source data, the applied DTM generation algorithm, and the survey...
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A grey box model of glucose fermentation and syntrophic oxidation in microbial fuel cells
PublikacjaIn this work, the fermentative and oxidative processes taking place in a microbial fuel cell (MFC) fed with glucose were studied and modeled. The model accounting for the bioelectrochemical processes was based on ordinary, Monod-type differential equations. The model parameters were estimated using experimental results obtained from three H-type MFCs operated at open or closed circuits and fed with glucose or ethanol. The experimental...
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A novel approach exploiting properties of convolutional neural networks for vessel movement anomaly detection and classification
PublikacjaThe article concerns the automation of vessel movement anomaly detection for maritime and coastal traffic safety services. Deep Learning techniques, specifically Convolutional Neural Networks (CNNs), were used to solve this problem. Three variants of the datasets, containing samples of vessel traffic routes in relation to the prohibited area in the form of a grayscale image, were generated. 1458 convolutional neural networks with...
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The voltage on bus bars of the main switchboard of the car carrier electrical power system during sea trials
Dane BadawczeThe dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results conducted onboard the car carrier during sea trials.
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The voltage on bus bars of the main switchboard of the car carrier electrical power system at sea trials during maneuvering
Dane BadawczeThe dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results conducted onboard the car carrier at sea trials during maneuvering.
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Theoretical study of the energetics of the reactions of triplet dioxygen with hydroquinone, semiquinone, and their protonated forms: relation to the mechanism of superoxide generation in the respiratory chain = Badanie teoretyczne energii z energii reakcji dioksygenu potrójnego z wodorem, półkiną i ich formami protony: relacja z mechanizmem wytwarzania supertlenku w łańcuchu oddechowym
PublikacjaW pracy prezentujemy wyniki obliczeń kwantowych ab initio i półempirycznych energetyki reakcji redukcji jednoelektronowej tlenu trypletowego. Zaproponowaliśmy cztery możliwe mechanizmy redukcji i przeprowadziliśmy obliczenia kwantowe. Z obliczeń wynika, że najprawdopodobniejszy mechanizm reakcji wiedzie poprzez przeniesienie elektronu z anionu hydrochinonu po deprotonacji lub też z rodnika semichinonowego na tlen cząsteczkowy,...
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Damaged plasticity model - seismic analysis of structure of the Petronas Twin Towers (Kuala Lumpur) in Malaysia
PublikacjaThe article presents numerical simulations for the modelling of seismic impact on the structure of Petronas Twin Towers (Kuala Lumpur) in Malaysia with application of two methods. The Response Spectrum method, in which a spectrum of the structure's responses to an earthquake's impact is generated and the Acceletogram (BETA) method, in which we generate dynamic load in the form of a diagram of the connection between acceleration...
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Femtosecond Er-doped fiber laser source tunable from 872 to 1075 nm for two-photon vision studies in humans
PublikacjaWe report the development of a widely-tunable femtosecond fiber laser system and its application for two-photon vision studies. The source is based on an Er-doped fiber laser with spectral shift up to 2150 nm, followed by a second harmonic generation module to generate a frequency-doubled beam tunable from 872 to 1075 nm. The source delivers sub-230 fs pulses with nearly-constant duration over the entire tuning range, with output...
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Large-scale multimedia content delivery over optical networks for interactive TV services
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The ICTBioMed NCIP Hub: Cancer research in a science gateway consortium
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Impact of strontium non-stoichiometry of SrxTi0.3Fe0.7O3-δ
Dane BadawczeThis dataset contains results of the research on the basis of which the Figures presented in the manuscript entitled "Impact of strontium non-stoichiometry of SrxTi0.3Fe0.7O3-δ on structural, electrical, and electrochemical properties for potential oxygen electrode of intermediate temperature Solid Oxide Cells" were prepared. A detailed description...
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Jakość usług w optycznej sieci wielodomenowej z hierarchiczną strukturą płaszczyzn sterowania
PublikacjaW rozprawie przedstawiono przegląd architektur sieci z gwarancją jakości klas usług oraz stan prac w zakresie realizacji optycznych sieci ASON, GMPLS oraz ASON/GMPLS. Opisano wymagania i zaawansowanie prac w realizacji sieci ASON/GMPLS z hierarchiczną strukturą płaszczyzn sterowania oraz problemy związane z zagadnieniem jakości klas usług w tej sieci. Zaprezentowano założenia, koncepcję oraz realizację modelu symulacyjnego optycznej...
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Zastosowanie metod optymalizacji w projektowaniu, L, PBiJ, sem.06, letni 23/24
Kursy OnlineMateriały pomocnicze dla przedmiotu Zastosowanie metod optymalizacji w projektowaniu (PG_00056273), dla kierunku PiBJ
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Autonomiczne hybrydowe systemy fotowoltaiczne wspomagane ogniwami paliwowymi
PublikacjaW większości krajów świata promieniowanie słoneczne charakteryzuje się dużą zmiennością zarówno w cyklu dobowym, miesięcznym jak i rocznym.Fakt ten zmusza projektantów autonomicznych systemów fotowoltaicznych do zwiększania ilości modułów, zwiększania mocy regulatorów oraz pojemności akumulatorów, a co za tym idzie do wzrostu ceny instalacji PV.Aby rozwiązać te problemy stosuje się fotowoltaiczne systemy hybrydowe, w których generatory...
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Symbolic multibody models for digital-twin applications
PublikacjaSymbolic generation of multibody systems equations of motion appeared in the 1980s. In addition to their computational advantage over their numerical counterparts, symbolic models can be very easily and straightforwardly interfaced with a wide range of software environments and hardware devices. These two features place this approach in a pole position to participate and intervene in the design of digital twins for systems such...