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Aleksander Mroziński dr inż.
PeopleAleksander Mroziński is a PhD student at the Faculty of Electronics, Telecommunications and Informatics of the Gdańsk University of Technology. From June 2019 is employed as a metadata editor in the project THE BRIDGE OF DATA. He also participates in three other projects implemented at the Gdańsk University of Technology: InterPhD II, OPUS 13 and PROM. His desire to discover the world motivates him to acquire multidisciplinary...
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Janusz Smulko prof. dr hab. inż.
PeopleHe was born on April 25, 1964 in Kolno. He graduated in 1989 with honors from the Faculty of Electronics at Gdańsk University of Technology, specialising in measuring instruments. In 1989 he took second place in the Red Rose competition for the best student in the Pomerania Region. Since the beginning of his career ha has been associated with Gdańsk University of Technology: research assistant (1989-1996), Assistant Professor (1996-2012),...
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Wojciech Wyrzykowski dr hab.
PeopleWojciech Wyrzykowski is an employee of the Department of Finance at the Faculty of Management and Economics of the Gdańsk University of Technology. He is the author of 70 scientific publications, including 5 monographs, and co-author of 7 monographs. The most important of them reflecting the author's scientific interests include: Tax conditions for the development of entrepreneurship in Poland, Taxes in Poland - outline of the...
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Radosław Szmytkowski prof. dr hab.
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Dissociative ionization dynamics of dielectric gas C3F7CN
PublicationFluoronitrile C3F7CN is a promising candidate for the replacement of SF6 dielectric gas in high-voltage insulation. We present a combined experimental and theoretical study on its ionization dynamics probed in the 0-100 eV energy range. We exploited the total ion collection technique to determine the absolute ionization cross section, mass spectrometry to determine the fragment branching ratios and ab initio nonadiabatic molecular...
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Reducing common mode voltage and bearing currents in quasi - resonant DC - link inverter
PublicationIn the paper, a concept of separation of an inverter-fed induction motor drive from its mains supply by two transistor switches inserted in the dc-link circuit is reexamined based on the proposed parallel quasi-resonant dc-link inverter (PQRDCLI). The objective of the paper is to show an advantage of the proposed topology in limiting high frequency common mode voltage and bearing currents. In the laboratory setup, an induction...
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Konferencja PACTT i PSC w Gdańsku
EventsTrzydniowy cykl konferencji poświęconych zagadnieniom transferu technologii w Polsce, zorganizowany przez CTWiT PG wraz z MNiSW oraz z projektem Multidyscyplinarny Otwarty System Transferu Wiedzy - MOST Wiedzy.
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Number of BPO/SSC centers in selected business service centers in Poland
Open Research DataMost BPO/SSC centers are located in Warsaw (238). The next positions are taken by Kraków (217 units), Wrocław (169), Tricity (146), Katowice (102) and Poznań (102).
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Structure of the register of immovable monuments in terms of the number of monuments by voivodeship – comparison of 2016 and 2024
Open Research DataThis dataset compares the structure of the register of immovable monuments in Poland regarding the number of monuments by voivodeship for 2016 and 2024. Over eight years, the number of immovable monuments has increased (over 9000 monuments increase). The historical regions impact the fact that the most immovable monuments are located in Lower Silesia,...
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Number of statements issued regarding the intention to entrust the performance of work in 2008-2018, broken down by country of origin of migrants
Open Research DataThe declaration of the intention to entrust work (applicable in the years 2007-2017) and the declaration of entrustment of work (applicable since 2018) are instruments for legalizing the work of foreigners in Poland, which by the ease of meeting the procedural requirements are by far the most popular among economic migrants and their employers.
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Piotr Krajewski dr
PeoplePiotr Krajewski is a librarian at the Library of Gdańsk University of Technology (GUT) and a PhD student at the Medical University of Gdańsk. His research interests focus on the standardization of the e-resources usage data and Open Access publishing, especially the role of institutional repositories in the development of the OA initiative and the phenomenon of “predatory publishers”. He works at Scientific and Technical Information...
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Structure, Mechanical, Thermal and Fire Behavior Assessments of Environmentally Friendly Crude Glycerol-Based Rigid Polyisocyanurate Foams
PublicationIn this work, rigid polyisocyanurate foams were prepared at partial substitution (0–70 wt%) of commercially available petrochemical polyol, with previously synthesized biopolyol based on crude glycerol and castor oil. Influence of the biopolyol content on morphology, chemical structure, static and dynamic mechanical properties, thermal insulation properties, thermal stability and flammability was investigated. Incorporation of...
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The Impact of Hybrid Flame Retardant Compositions on the Performance of Foamed Flexible Polyurethane/Ground Tire Rubber Composites
PublicationCurrent sustainability-oriented trends affect polyurethane (PU) materials and stimulate the incorporation of recycled or waste-based materials as fillers. Ground tire rubber (GTR) poses as an auspicious candidate due to the excellent performance of car tires. Despite the benefits related to the mechanical performance, it contributes to the increasing flammability of the resulting composites. Herein, presented work assessed the...
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Thermal visualization of Ostwald-de Waele liquid in wavy trapezoidal cavity: Effect of undulation and amplitude
PublicationThe present study is concerned with the numerical simulations of Ostwald-de Waele fluid flow in a wavy trapezoidal cavity in the presence of a heated cylinder situated at the center of the cavity. The work consists in characterizing the mixed convection as a function of the intensity of heat flow. The flow behaviour and temperature distribution in a cavity are the main focus of this study. The lower wall of the cavity is fixed...
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Numerical analyses of novel prefabricated structural wall panels in residential buildings based on laboratory tests in scale 1:1
PublicationThe paper presents experimental and numerical investigations on novel prefabricated composite building wall panels for residential building constructions. The wall panels were composed of reinforced concrete ribbed elements with the core from the EPS foam as the thermal insulation. The wall panels in the full-scale 1:1 were subjected to vertical loads. In the first step, the experiments were analysed with simple usual static methods....
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Pounding mitigation of a short-span cable-stayed bridge using a new hybrid passive control system
PublicationThis paper investigates the effectiveness of a new hybrid passive control system on the seismic response of an existing steel cable-stayed bridge considering the pounding effect. The proposed hybrid passive control system comprises a seismic isolator and a metallic damper. The bridge is located in a high seismic zone and has suffered several damages including the earthquake-induced pounding damage during the 1988 earthquake....
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EmbedterLabs Better Embedded Labs for More Synergistic Sustainable Urban Transformation Planning
ProjectsProject realized in Department of Urban Design and Regional Planning according to UMO-2021/03/Y/HS6/00199 agreement from 2022-03-01
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Top personal income tax rates (PIT) in EU countries (in%).
Open Research DataWhen analyzing the historical PIT rates, it should be noted that in 2000 the average rate was almost 45%. The highest income tax (approx. 60%) was imposed in Belgium, Denmark, as well as in the Netherlands and France. On the other hand, the lowest (25%) rates were recorded in Estonia and Latvia, which were not yet members of the European Union. In the...
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Łożysko garnkowe z funkcją pomiaru siły obciążającej, zwłaszcza dla mostów i wiaduktów
InventionsPrzedmiotem projektu jest technologia polegająca na modyfikacji produkowanych łożysk pod względem instalacji czujników badający obciążenie mostów i wiaduktów. Efektem będzie mniej kosztowne rozwiązanie, które ułatwi monitorowanie obciążeń mostów i wiaduktów.
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Number of seasonal work permits issued in 2018
Open Research DataIn 2018, a total of 121,436 seasonal work permits were issued, the vast majority of which were granted to Ukrainian citizens. The following dataset shows the countries from which citizens have been issued the most permits.
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Average number of employees of BPO SSC centers
Open Research DataAlthough most BSS centers are located in Warsaw, the capital of Poland ranks only 4th in terms of the average number of employees. In terms of the average number of employees, Kraków (321) is the leader, followed by Wrocław (281) and Łódź (273).
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Chemistry and Nanochemistry 2022.
e-Learning CoursesThe course consists of lectures (15 x 2 hours) and laboratories (5 x 3 hours).The goal of this course is to teach general chemistry and adequately apply it to nano-size systems, their synthesis and analysis. An emphasis is laid on an analysis of electronic structure of molecules and prediction of resulting properties and reasons of consequent behaviour in chemical reactions. The course also encloses laboratory classes, where the...
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Systemy Teleinformatyczne i Telematyka w Transporcie sem. Letni 2023/2024
e-Learning CoursesBezpieczeństwo i ochrona danych w teleinformatyce: sposoby ochrony danych, zapory sieciowe, protokoły bezpieczeństwa, szyfrowanie i uwierzytelnianie. Media transmisyjne: transmisja przewodowa, połączenie światłowodowe, transmisja bezprzewodowa. System telekomunikacyjny: sygnały cyfrowe, dyskretyzacja sygnału (próbkowanie, kwantowanie), wybrane układy cyfrowe. Sieci komputerowe w połączeniach lokalnych: urządzenia sieciowe, protokoły,...
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Concrete temperature measurements of cubic specimens cured under isothermal and semi-adiabatic conditions
Open Research DataThe DataSet contains temperature measurements of concrete cubes (150 x 150 x 150 mm) cured under isothermal and semi-adiabatic conditions. The specimens were moulded from six types of concrete mixtures produced in the laboratory conditions. Mix #1: Portland cement CEM I 42.5R and gravel aggregate, mix #2: CEM I 42.5R and basalt aggregate, mix#3: Portland-composite...
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Empirical Relationship Describing Total Convective and Radiative Heat Loss in Buildings
PublicationOn the basis of theoretical considerations of convective-radiative heat transfer, a relationship was developed enabling the total convective and radiative heat flux QC+R emitted from any object at tw and its surroundings at t∞ to be calculated from known values of the surface temperature of such an object, i.e., the known temperature difference Δt=tw - t∞ and average air temperature Tav. This relationship is applied to thermal...
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Experimental Study on Dynamics of Wooden House Wall Panels with Different Thermal Isolation
PublicationWood frame buildings are very popular in regions that are exposed to different dynamic excitations including earthquakes. Therefore, their seismic resistance is really important in order to prevent structural damages and human losses. The aim of the present paper is to show the results of experimental tests focused on the dynamic response of wall panels of a wooden frame building with thermal isolation made of mineral wool and...
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Reactivation of seizure‐related changes to interictal spike shape and synchrony during postseizure sleep in patients
PublicationOBJECTIVE: Local field potentials (LFPs) arise from synchronous activation of millions of neurons, producing seemingly consistent waveform shapes and relative synchrony across electrodes. Interictal spikes (IISs) are LFPs associated with epilepsy that are commonly used to guide surgical resection. Recently, changes in neuronal firing patterns observed in the minutes preceding seizure onset were found to be reactivated during postseizure...
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Webinarium „Drug Discovery, Development & Commercialization”
EventsCTWT PG zaprasza na webinarium „Drug Discovery, Development & Commercialization”. Spotkanie skierowane jest do osób zajmujących się zawodowo lub planujących swoją karierę w dziedzinie opracowywania i rozwoju leków.
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Balanand Santhosh Ph.D.
PeopleDr. Balanand Santhosh, obtained his Ph.D. (cum laude) in Materials, Mechatronics and Systems engineering from the Department of Industrial Engineering, University of Trento, Italy. He is currently working as Research Assistant Professor at Gdansk Univerity of Technology, Poland. Formerly he was working as a post-doctoral researcher at University of Trento, Italy. His research expertise is mainly in the area of ceramic processing...
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Audit of the existing surfaces /pavements of sidewalks and roads in the Gdańsk-Oliwa district, with particular emphasis on the location of the "Polanki" market and its direct neighbourhood in the contexts of pavement design of the "Polanki"market; stage from 2019 year.
Open Research DataThe document presents a valorization of paved surfaces (sidewalks and roads) in the Gdańsk-Oliwa district, prapared on the basis of an preliminary inventory work – 21 tables (one table for each street ) with a description of the street and materials used, mostly supplemented with photographic material. The valorization, after the initial inventory,...
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Magdalena Szuflita-Żurawska
PeopleHead of the Scientific and Technical Information Services at the Gdansk University of Technology Library and the Leader of the Open Science Competence Center. She is also a Plenipotentiary of the Rector of the Gdańsk University of Technology for open science. She is a PhD Candidate. Her main areas of research and interests include research productivity, motivation, management of HEs, Open Access, Open Research Data, information...
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Number of individual clients banks accounts - accounts in Polish zloty (2017)
Open Research DataBanks maintained a total of 31.7 million accounts (the so-called ROR - checking and savings account). Most of them are PKO BP, which currently maintains 7.1 million accounts. Bank Pekao is second (3.87 million personal accounts), and third is mBank (3.30 million)
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Daniel Chuchała dr hab. inż.
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Ground Tire Rubber Filled Flexible Polyurethane Foam—Effect of Waste Rubber Treatment on Composite Performance
PublicationThe application range of flexible polyurethane (PU) foams is comprehensive because of their versatility and flexibility in adjusting structure and performance. In addition to the investigations associated with further broadening of their potential properties, researchers are looking for new raw materials, beneficially originated from renewable resources or recycling. A great example of such a material is ground tire rubber (GTR)—the...
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Andrzej Okuniewski dr inż.
PeopleEducation 2010-2014: Department of Inorganic Chemistry, Faculty of Chemistry, Gdańsk University of TechnologyPhD in chemical sciences (chemical sciences - chemistry, inorganic chemistry) 2009-2010: Faculty of Chemistry, Gdańsk University of TechnologyMaster of Chemistry (applied chemistry) 2005-2009: Faculty of Chemistry, Gdańsk University of Technologychemical engineer (applied chemistry) 2002-2005: II High School Władysław Pniewski...
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Fluconazole resistant Candida auris clinical isolates have increased levels of cell wall chitin and increased susceptibility to a glucosamine-6-phosphate synthase inhibitor
PublicationIn 2009 Candida auris was first isolated as fungal pathogen of human disease from ear canal of a patient in Japan. In less than a decade, this pathogen has rapidly spread around the world and has now become a major health challenge that is of particular concern because many strains are resistant to multiple class of antifungal drugs. The lack of available antifungals and rapid increase of this fungal pathogen provides an incentive...
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The Scanning Electron Microscopy images of three arthropods
Open Research DataThe dataset contains micrographs of various arthropods made with the Scanning Electron Microscopy (SEM) technique. The images were done during the laboratory with students from the Faculty of Chemistry. Among the studied species, there is a fruit fly (lat.Drosophila melanogaster), a spider (most likely Sibianor aurocinctus), and a weevil insect (Curculionoidea).
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Relation of expenditure on Research and Development to GDP in EU countries (2009-2012)
Open Research DataThe presented dataset shows that most countries increased their R&D spending - 16 of those 26 members of the European Union for which Eurostat has complete data did so. This also translated into the average ratio for the entire Community, in 2012 it amounted to 2.06% of GDP compared to 2.01% in 2009. The most severely limited their expenses were...
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Number of work permits issued in 2008-2018 by migrant's country of origin
Open Research DataThe scale of the influx of economic migrants to Poland can be proved by data referring to documents enabling legal work, including work permits. In 2018, the most frequently applied for work permit for citizens of eight countries presented in the dataset. The table contains data on the number of permits issued in the years 2008-2018.
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Rural Landscapes of Roman (northern) Liburnia: Diachronic Development of Organisation and the Economy in Extra-Urban Territories in the Light of Recent Archaeological Research
PublicationThe archaeology of Roman rural landscapes in the province of Dalmatia, and especially northern Liburnia, has until recently focused on single-site or single-monument analyses, allowing for only geographically patchy and chronologically limited conclusions. Considering the results of recent research in the wider Kvarner and sub-Velebit area, the paper discusses issues of Roman extra-urban territorial organization, the formation...
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Introduction to cognitive science
e-Learning CoursesDuring the classes students will learn how the interdisciplinary project of the cognitive sciences was created and what are its basic paradigms. Fundamental problems within this field of inquiry will be discussed along with the most typical attempts at solving them.
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Analiza przepływu gazu w kanałowych reduktorach ciśnienia podczas zwarć łukowych w rozdzielnicach SN
PublicationW artykule przedstawiono metodę obliczania ciśnienia i temperatury gazów podczas zwarcia łukowego wewnątrz przedziału wyłącznika rozdzielnicy średniego napięcia z wykorzystaniem modelu termodynamicznego procesów towarzyszących zwarciom łukowym wewnątrz rozdzielnic z izolacją powietrzną. Następnie, w oparciu o mechanikę płynów lepkich, przedstawiono metodę obliczania rozkładu prędkości i ciśnienia gazu w kanałowych reduktorach ciśnienia...
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The geometry of free-standing titania nanotubes as a critical factor controlling their optical and photoelectrochemical performance
PublicationTitanium dioxide nanotubes are regarded as one of the most important functional materials and due to their unique electronic properties, chemical stability and photocorrosion resistance, they find applications in, for example, highly efficient photocatalysis or perovskite solar cells. Nevertheless, modification of TiO2 nanotubes is required to overcome their main drawback, i.e. large energy bandgap (>3.2 eV) limiting their ability...
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H226 cancer cell
Open Research DataThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H226 cancer cells.
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards A549 cancer cells
Open Research DataThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards A549 cancer cells.
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards NHBE normal cells
Open Research DataThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards NHBE normal cells.
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H460 cancer cell
Open Research DataThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H460 cancer cells.
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Wojciech Wysocki
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Factors influencing the selection of the ideal employer
Open Research DataThis dataset contains the results of research that were carried out by the Wrocław University of Science and Technology in March and April 2016, using an anonymous "on-line" questionnaire. 1,320 people took part in the study entitled "My ideal employer" - students and doctoral students of all faculties of the university (including those fields of study...
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Mechanical Strength of MV Ship-switchgear During Fault Arc
PublicationIn the paper the analysis of pressure stressed in enclosure during fault arc inside switchgear is pre-sented as well. There is introduced the method based on determining stresses which are sum of tensile stresses (membrane) and deflection stresses. For tensile stresses nalysis the energy method, for unrestrainedly supported rectangular plate, was used. In the further part of the paper, the calculations and measurements results...