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Increasing K-Means Clustering Algorithm Effectivity for Using in Source Code Plagiarism Detection
PublikacjaThe problem of plagiarism is becoming increasingly more significant with the growth of Internet technologies and the availability of information resources. Many tools have been successfully developed to detect plagiarisms in textual documents, but the situation is more complicated in the field of plagiarism of source codes, where the problem is equally serious. At present, there are no complex tools available to detect plagiarism...
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Test loadings of arch bridges
PublikacjaIn Poland an appreciable developement of bridge building can be seen in recent years. Arch structures are more and more common, because of the original geometrical and aesthetical form, aside with explicit structural system. Paper concerns the applied computational conceptions and researches on an example of two arch bridges. The goal of the studies is to check the correctness of the real construction work and design assumptions,...
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Toxicity of ionic liquid cations and anions towards activated sewage sludge organisms from different sources – Consequences for biodegradation testing and wastewater treatment plant operation
PublikacjaIonic liquids (ILs) have attracted great interest in academia and industry during the last decade. So far, several ILs have been used in technological processes, from small scale to industrial applications, which makes it more and more likely that they will be released into the environment. Researches have been actively studying the environmental and toxicological bevaviour of ILs, but their influence on the activated sewage sludge...
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Defense mechanisms and borderline personality organization among COVID-19 believers and non-believers during complete lock-down
PublikacjaThe aim of the current study was to investigate whether a specific social perception of the pandemic—believing or not in COVID-19—predicts borderline personality organizations and whether this relationship is mediated by more primitive maladaptive mechanisms—splitting, denial, and dissociation. The online study included 720 organization aged 25–45. Participants were diverse in terms of place of residence, being in a relationship,...
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Lexicon Based Algorithm for Domain Ontology Merging and Alignment
PublikacjaMore and more systems contain some kind of knowledge describing their field of operation. Such knowledge in many cases is stored as an ontology. A need arises for ability to quickly match those ontologies to enable interoperability of such systems. The paper presents a lexicon based algorithm for merging and aligning of OWL ontologies. The proposed similarity levels are being presented and the proposed algorithm is being described....
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A Set of Low-power Microcontroller-based Modules Used for Testing of Small Energy Measurement Methods
PublikacjaEstimation of energy consumption of low-power devices is not widely discussed in the scientific literature, but this topic is getting more and more popular. Evaluation process of newly developed methods and instrumentation requires carefull treatment. In order to fulfill this niche, the set of micro-power microcontroller based devices was proposed. The devices represent typical energy consuption profiles and allow experimental verification...
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THE IMPACT OF GROUND TIRE RUBBER TREATMENT ON THE THERMAL CONDUCTIVITY OF FLEXIBLE POLYURETHANE/GROUND TIRE RUBBER COMPOSITES
PublikacjaWaste car tires are burdensome waste, and their utilization is crucial for the natural environment. In many countries, the primary method of their recycling is energy recovery, performed by simple combustion. However, material recycling is much more effective and significantly more beneficial for the natural environment. It results in the generation of ground tire rubber, which can be used to produce polymerrubber composites. It...
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NVRAM as Main Storage of Parallel File System
PublikacjaModern cluster environments' main trouble used to be lack of computational power provided by CPUs and GPUs, but recently they suffer more and more from insufficient performance of input and output operations. Apart from better network infrastructure and more sophisticated processing algorithms, a lot of solutions base on emerging memory technologies. This paper presents evaluation of using non-volatile random-access memory as a...
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THE EFFECT OF NOTCH DEPTH ON CTOD VALUES IN FRACTURE TESTS OF STRUCTURAL STEEL ELEMENTS
PublikacjaIn elements of steel structures working at low temperatures, there is a risk of appearance of brittle fracture. This risk is reduced through the use of certified materials having guaranteed strength at a given temperature. A method which is most frequently used to determine brittle fracture toughness is the Charpy impact test, preformed for a given temperature. For offshore structures intended to work in the arctic climat e, the...
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Ryszard Woźniak dr inż.
OsobyJest absolwentem Wydziału Mechanicznego i Organizacji Politechniki Lubelskiej, gdzie w 1984 uzyskał tytuł magistra inżyniera mechanika w zakresie Mechaniki specjalności Samochody i Ciągniki. W 2002 roku w Politechnice Gdańskiej obronił pracę doktorską na temat: "Hałas opon w warunkach występowania znacznych sił stycznych w strefie styku opony z jezdnią" i uzyskał stopień naukowy doktora nauk technicznych w zakresie budowy i eksploatacji...
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Working conditions in small companies in the eyes of the employees. [Warunki pracy w małych firmach w ocenie pracowników]
PublikacjaThe article presents the results of the study concerning the employees' awareness of working conditions. 157 employees from small production and service companies took part in the research. The research showed differences in the employees' perception of their working conditions. The employees were more often dissatisfied with working conditions than managers. A significant number of respondents (more than 75%) believe that the...
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Four level inverter's DC bus voltage balancing with 3-terminal DAB converter
Publikacja—Multilevel inverters become more and more popular, especially in the medium or high voltage and high power applications. Unfortunately, some of inverter topologies require additional DC bus voltage balancing systems. This paper presents a novel approach to such systems, which is based on a multiple terminal DAB converter. Along with the voltage balancing function the proposed solution enables the connection of energy storage devices...
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Shock, unspecified - Female, 0 - Tissue image [3140630024325841]
Dane BadawczeThis is the histopathological image of BRAIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Mixed tumor, NOS - Female, 78 - Tissue image [4270730007813791]
Dane BadawczeThis is the histopathological image of CORPUS UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Non-small cell carcinoma - Male, 73 - Cell image [8180729594146391]
Dane BadawczeThis is the histopathological image of BRONCHUS AND LUNG cell sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Suspended matter, composition and fluxes, Gdansk Deep, late spring 2001
Dane BadawczeParticulate organic carbon (POC) and nitrogen (PON) concentrations and fluxes were measured in the Gdańsk Deep (Gulf of Gdansk) from 30.05 to 06.06.2001. The vertical profiles of POC and PON were characterised by the highest values in the euphotic layer, a gradual decrease with depth, and an increase below the halocline. The hydrophysical conditions...
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X-ray Photoelectron Spectroscopy studies of various carboxylic acids adsorption on aluminium alloys in alkaline media
Dane BadawczeThis dataset contains the results of high-resolution XPS studies obtained during evaluation of high corrosion inhibition efficiency of various carboxylic acids towards aluminium alloy 5754 in bicarbonate buffer pH=11.
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Nanoindentation tests of the hydroxyapatite composite coatings applicated on titanium alloys by the electrophoretic method
Dane BadawczeCurrently, there are no metal materials that meet all biomechanical and biochemical requirements needed for long life implantable biomaterials. The main purpose of the study was to functionalize the surface of the titanium alloys used in biomaterial implants.
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Dataset for a research study on scientific productivity of Polish technical universities (Silesian University Of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.The raw data was retrieved in June 2021 by the SciVal benchmarking tool in xlsx format and will be used to create the research profiles of the universities and underlying data of journals articles.The most common definition of research productivity...
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Dataset for a research study on scientific productivity of Polish technical universities (Gdańsk Tech 2016-2020)
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities. The raw data was retrieved in June 2021 by the SciVal benchmarking tool in xlsx format and will be used to create the research profiles of the universities and underlying data of journals articles. The most common definition of research...
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Dataset for a research study on scientific productivity of Polish technical universities (Poznań University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Białystok University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Opole University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Lublin University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (University of Bielsko-Biała ATH 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Warsaw University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Rzeszów University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (AGH University of Science and Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Częstochowa University Of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Lodz University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Wrocław University of Science and Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (West Pomeranian University Of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Cracow University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Radom University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Kielce University Of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities.
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Dataset for a research study on scientific productivity of Polish technical universities (Koszalin University of Technology 2016-2020).
Dane BadawczeThis dataset was created for the purpose of research on scientific productivity at Polish technical universities. The raw data was retrieved in June 2021 by the SciVal benchmarking tool in xlsx format and will be used to create the research profiles of the universities and underlying data of journals articles. The most common definition of research...
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Non-small cell carcinoma - Male, 73 - Cell image [8180729594146901]
Dane BadawczeThis is the histopathological image of BRONCHUS AND LUNG cell sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Janusz Smulko prof. dr hab. inż.
OsobyUrodził się 25 kwietnia 1964 r. w Kolnie. Ukończył w 1989 r. z wyróżnieniem Wydział Elektroniki Politechniki Gdańskiej, specjalność aparatura pomiarowa. Zajął II miejsce w konkursie Czerwonej Róży na najlepszego studenta Wybrzeża w 1989 r. Od początku kariery związany z Politechniką Gdańską: asystent (1989–1996), adiunkt (1996–2012), profesor nadzwyczajny PG (od 2012). Odbył staże naukowe w Texas A&M University (2003, NATO...
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Reduced order model of 2d system
PublikacjaA new method of modelling is developed for static and dynamic analysis of two-dimensional elastic bodies. In the analysis, an elastic body is divided into strips. For each one-dimensional strip the reduced modal model is build up. The modal model contains appropriate number of inputs and outputs to connect lumped interaction that occur between strips. Proposed method of modelling enables to obtain more accurate and more simple...
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Stanisław Galla dr inż.
OsobyUrodził się w 1970 w Gdańsku. Jest absolwentem Technikum Mechaniczno Elektrycznego w Gdańsku (1990). Studiował na Wydziale Elektrotechniki Politechniki Gdańskiej (studia ukończył w 1996). Rozprawę doktorską pt. „Metodyka zwiększania dokładności pomiarów małoczęstotliwościowych wskaźników zaburzeń okresowych występujących w sieciach niskiego napięcia” obronił w 2009 r na Wydziale Elektrotechniki i Automatyki Politechniki Gdańskiej....
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DIFFRACTION PHASE MICROSCOPY FOR OBSERVATION ON RED BLOOD CELLS FLUCTUATION
PublikacjaNowadays there is quite huge need for more and more precise and effective fast diagnostics methods in hematology diseases. One of the most important blood components are erythrocytes – RBCs (Red Blood Cells). Due to their size they are easy to observe using microscopy. It is commonly known that the shape and lifetime of RBCs allows for early disease identification. Authors present special measurement system for RBCs fluctuations observation...
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Gas turbines – technological development and potential use in CAES systems
PublikacjaThis article briefly describes Compressed Air Energy Storage (CAES), focusing on the technological development of one of the key elements of such systems – the gas turbines. It presents the basic parameters and features of gas turbines, as well as turbine classes with example models. Main tendencies in the structural and technological development are discussed. Changes and trends on electric energy markets are becoming more and...
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TOPOLOGICAL CLUES FOR PREDICTING OUTCOMES OF MULTIPLAYER ONLINE BATTLE ARENA GAMES
PublikacjaWith 27 million people playing League of Legends every day, e-sports became more and more important part of our everyday life. Rise of its popularity builds a demand for better understanding e-sports mechanics on a deeper level. In the article, we test a hypothesis that it is possible to predict an outcome of Multiplayer Online Battle Arena game based on topological clues only (such as area of polygon where vertices are players...
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Offshoring and outsourcing in Visegrad countries, Advantages and disadvantages.
PublikacjaOutsourcing and offshoring are getting more and more popular in the “new EU” coun-tries. They constitute very attractive venues for more developed EU countries to outsource or offshore their business activities. Authors of the article have investigated the advantages and disadvantages of locating outsourcing activities in each of the Visegrad (V4) countries. The authors have studied macroeconomic factors based on the reports of...
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DESIGNING OF PARKING SPACES TAKING INTO ACCOUNT THE PARAMETERS OF DESIGN VEHICLES IN RUSSIA
PublikacjaNowadays, in all the cities, there is an acute problem of a lack of parking spaces. The number of vehicles are becoming more and more larger, not only in megacities, but in small cities of the country, as well and there are no more parking places - the pace of solving the problem is several times slower than the rate of the transport growth among the citizens. The article is dedicated to the determination of the optimum sizes parking...
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POSITIVE PSYCHOLOGICAL CAPITAL ENHANCES THRIVING IN THE MULTICULTURAL WORK ENVIRONMENT OF MULTINATIONAL CORPORATIONS
PublikacjaThe aim of the paper is to examine positive psychological capital (PsyCap) as well as individual factors in the relationship with thriving in the multicultural work environment of multinational corporations (MNCs). We conducted a quantitative study on the sample of 127 individuals from subsidiaries of various MNCs located in Poland and involved in intercultural interactions. The results of cross-sectional study show that employees...
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Measurements of raising of 160EC pantograph type
Dane BadawczeIn this description the results of the experiment and also simulation performed on the total assembly of the 160 EC pantograph type is given. Multibody dynamics of pantograph rising due to external torque and forces are measured for parameter validation of the pantograph model.
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Generalized adaptive comb filter with improved accuracy and robustness properties
PublikacjaGeneralized adaptive comb lters can be used to identify/track parameters of quasi-periodically varying systems.In a special, signal case they reduce down to adaptive comblters, applied to elimination or extraction of nonstationarymulti-harmonic signals buried in noise. We proposea new algorithm which combines, in an adaptive way, resultsyielded by several, simultaneously working generalizedadaptive comb lters. Due to its highly...
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Load function walking pedestrian on the footbridge.
PublikacjaModern foot bridges are more and more sensitive to variable load created by moving pedestrians. These are several reasons for that. Quickly growing up road infrastructure forces us to build foot bridges just to reconnect one piece of land, separated now by the new road or railway. These bridges are lightweight because the only live load acting on them comes from pedestrians.The paper focuses on the definition of human induces dynamic...
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The role of the human factor in the companies' innovativeness
PublikacjaInnovation is one of the factors enabling the development of both individual companies and entire economies. While previously the possibilities offered by technology were focused on, including information and communication technology (ICT), recently the potential of human resources has been gaining more and more attention. This capital — often underestimated — can in the right conditions and with a conducive organizational culture...