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Search results for: BIS-TETRAZOLES
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Piotr Paradowski dr
PeopleDr Piotr Paradowski's areas of expertise in quantitative social science methods include truncated and censored models, quantile regressions, survival analysis, panel data models, discrete regressions and qualitative choice models, instrumental variable estimation, and hierarchical modeling. He is also an expert in statistical matching and statistical methods to handle missing data. In addition, he conducts research on income and...
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Waldemar Lis dr inż.
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Michał Strankowski dr hab. inż.
PeopleJest zatrudniony w Katedrze Technologii Polimerów na Wydziale Chemicznym od 2006 roku. W tym samym roku uzyskał stopień doktora nauk technicznych w zakresie technologii chemicznej. Stopień doktora habilitowanego w dziedzinie nauk ścisłych i przyrodniczych uzyskał w 2019 roku. W okresie 2013-2015 pełnił funkcję kierownika projektu „PUR-GRAF” pt. „Nanokompozyty poliuretanowe zawierające zredukowany tlenek grafenu”. Za opracowane...
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Problemy pomiarów mocy i energii w linii elektroenergetycznej Polska-Litwa
PublicationW referacie przedstawiono zagadnienia związane z pomiarem mocy i energii w linii dwutorowej. Rozważania oparto na linii łączącej stacje elektroenergetyczne Ełk Bis i Alytus.
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Power and energy measurement problems in transmission line between Poland-Lithuania
PublicationThe paper discusses problem of power and energy metering in double circuit overhead transmission line. Considerations are based on example of transmission line connecting Polish substation Bis Elk and Lithuanian substation Alytus.
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Andrzej Składanowski prof. dr hab. inż.
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Joanna Mioduska dr inż.
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Insights into Seawater Biodegradation of Sustainable Mater-Bi/Poly(ε-caprolactone)-Based Biocomposites Filled with Diisocyanate-Modified Cellulose Particles
Publication: Due to rapid economic growth, the use of plastics in almost all areas of human life has significantly increased over recent decades, leading to massive pollution. Therefore, works dealing with sustainable and biodegradable polymer materials are vital now. Herein, sustainable MaterBi/poly(ε-caprolactone) (PCL)-based biocomposites, filled with diisocyanate-modified cellulose particles, were prepared and subjected to 12-week seawater...
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Problemy pracy zabezpieczeń odległościowych linii 400 kV w Polsce północno-wschodniej
PublicationPrzedstawiono analizę wpływu połączenia polskiego systemu elektroenergetycznego z systemem Litwy na detekcję zakłóceń przez zabezpieczenia odległościowe linii 400 kV znajdujących się w najbliższym otoczeniu stacji Ełk Bis.
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Marta Bis
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Tomasz Edward Berezowski dr inż.
PeopleHe was born in 1986 in Warsaw. He graduated in 2009 with honors from the Interfaculty Study of Environmental Protection at SGGW in Warsaw, specialty Restoration and Management of Environment. He defended his doctorate with honors at Vrije UIniversiteit Brussels in 2015. In 2015-2017 he worked as an assistant and then assistant professor at the Faculty of Civil and Environmental Engineering at SGGW. In 2017, he was employed as an...
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Iwona Gabriel dr hab. inż.
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Studies on micellar aggregation of nonionic surfactants in imidazolium liquids
PublicationA number of imidazolium ionic liquids, with 2-8 carbon atoms in cation alkyl chains, and tetrafluoroborate, hexafluorophosphate, bis(trifluoromethylsulfony)imide and trifluoromethanesulfonate anions, were characterized for their ability to support micellar aggregation of nonionic surfactants in binary solutions.
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Assestment of the anti-cancer activity of the copper complexes with imidazole and pivalato ligands
PublicationDespite the development of science and technology progress so far there have not been found effective drugs for cancer. Many coordination compounds were investigated due to their antitumor potential. The most known cis-diamminedichloroplatinum(II) is used as anti-cancer therapeutic agent. The copper complexes are the coordination compounds possessing anti-tumour properties. Their capability to kill cancer cells is mainly linked...
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The voltage on bus bars of the main switchboard of the car carrier electrical power system at sea trials during a bow thruster start-up
Open Research DataThe dataset is a 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. In ships' electrical power systems, disturbances occurring in voltage waveforms on bus bars of the main switchboard are connected mainly with the processes...
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Linear and Nonlinear Optical Properties of Azobenzene Derivatives Modified with an (Amino)naphthalene Moiety
PublicationThe design of two-photon absorbing azobenzene (AB) derivatives has received much attention; however, the two-photon absorption (2PA) properties of bis-conjugated azobenzene systems are relatively less explored. Here, we present the synthesis of six azobenzene derivatives and three bisazobenzenes substituted (or not) at para position(s) with one or two amino group(s). Their linear and nonlinear absorption properties are studied...
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Structure of partially reduced xPbO (1-x)SiO2 glasses: combined EXAFS and MD study
PublicationWykorzystując połączenie metody EXAFS (extended X-ray absorption finestructure) i symulacji MD (molecular dynamics) zbadano strukturęczęściowo zredukowanych szkieł ołowiowo-krzemianowych o różnejstechiometrii wyjściowej. W wyniku analizy uzyskano szczegółowyopis struktury lokalnej wokół atomów ołowiu i jej zmiany w funkcjiskładu szkła i poziomu redukcji. Określono również jaką tendencjędo aglomeracji w metaliczne klastry wykazują...
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Doktor Stanisław Ulaszek. Artysta – nauczyciel – tłumacz. Laudacja z okazji Jubileuszu 45-lecia pracy akademickiej [Dr. Stanisław Ulaszek. Artist — teacher — translator. Eulogy for the forty-fifth anniversary of his work as a scholar]
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Tri-tert-butoksysilanotiolany kobaltu.**2003, 109 s. 43 rys. 12 tab. bib-liogr. 123 poz. maszyn. Rozprawa doktorska /05.03.2003/ Wydz. Chem. Promotor: dr hab. inż. B. Becker.
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FPGA implementation of the multiplication operation in multiple-precision arithmetic
PublicationAlthough standard 32/64-bit arithmetic is sufficient to solve most of the scientific-computing problems, there are still problems that require higher numerical precision. Multiple-precision arithmetic (MPA) libraries are software tools for emulation of computations in a user-defined precision. However, availability of a reconfigurable cards based on field-programmable gate arrays (FPGAs) in computing systems allows one to implement...
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Justyna Kucińska-Lipka dr hab. inż.
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Structural Insights into New Bi(III) Coordination Polymers with Pyridine-2,3-Dicarboxylic Acid: Photoluminescence Properties and Anti-Helicobacter pylori Activity
PublicationTwo novel coordination polymers, [Bi2(2,3pydc)2(2,3pydcH)2(H2O)]n(1) and {(Et3NH)2[Bi(2,3pydc)(2,3pydcH)Cl2]}n(2) were prepared using as a prolinker pyridine-2,3-dicarboxylic acid(2,3pydcH2). The obtained complexes were fully characterized by elemental analysis, TG/DTG, FT-IR,solid-state photoluminescence, DFT calculations and single-crystal X-ray diffraction. The obtainedcomplexes crystallized in the triclinicP-1 space group (1)...
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Reply to “Enrichment of Bi-Be-Mo-Cd-Pb-Nb-Ga, REEs and Y in the Permian coals of the Huainan Coalfield, Anhui, China: Discussion”
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Enhanced photocatalytic, electrochemical and photoelectrochemical properties of TiO2 nanotubes arrays modified with Cu, AgCu and Bi nanoparticles obtained via radiolytic reduction
PublicationTiO2 nanotubes arrays (NTs), obtained via electrochemical anodization of Ti foil, were modified with monometallic (Cu, Bi) and bimetallic (AgCu) nanoparticles. Different amounts of metals’ precursors were deposited on the surface of NTs by the spin-coating technique, and the reduction of metals was performed via gamma radiolysis. Surface modification of titania was studied by EDS and XPS analysis. The results show that AgCu nanoparticles...
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Wpływ procesu redukcji na właściwości strukturalne i mechaniczne szkieł tlenkowych z grupy (Pb,Bi)-(Si,Ge)-O
PublicationW pracy zbadano wpływ procesu redukcji w wodorze prowadzonej w temperaturze 380°C na mikrostrukturę i skład pierwiastkowy próbki szkła Bi0.4Pb0.2Si0.4Ox. Wykazano, że na skutek redukcji w próbce tworzy się wyraźnie odseparowana wierzchnia warstwa o grubości ok. 50µm, która jest zubożona w tlen i charakteryzuje się lepszą przewodnością elektryczną. Stwierdzono również, że na powierzchni szkła tworzą się granule metalicznego bizmutu...
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Preparation and photocatalytic properties of BaZrO 3 and SrZrO 3 modified with Cu 2 O/Bi 2 O 3 quantum dots
PublicationIn this study, we report a novel method of BaZrO3 and SrZrO3 surface modification by two different types of quantum dots (QDs, Cu2O and Bi2O3), which improved the photocatalytic performance of the obtained materials under UV-Vis light irradiation. Pristine BaZrO3 and SrZrO3 were prepared by the hydrothermal method. The deposition of Cu2O- and Bi2O3-QDs was carried out by chemical reduction. The morphology of the nanoparticles was...
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Barbara Becker prof. dr hab. inż.
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Impedance spectra of RC model as a result of testing pulse excitation measurement method
Open Research DataThe impedance spectrum of RC model object obtained using pulse excitation EIS impedance spectrosocpy measurement method. The 1V voltage pulse excitation duration was set to 0.1s and the total acqusition time was set to 1000s. The object under test was built using RC components connected as Baunier model of anticorrosion coating with the following components...
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Elektrochemiczny czujnik na bazie cieczy jonowej do oznaczania par benzaldehydu
PublicationW pracy przedstawiono prototypowy, laboratoryjny, elektrochemiczny czujnik do oznaczania par benzaldehydu w argonie. Cieczą jonową testowaną jako elektrolit i środowisko reakcji redox była: bis(trifluorometylosulfonylo)imidek 1-butylo,3-metyloimidazolinowy ([BMIM][Tf2N]). W pomiarach użyto komercyjnych elektrod firm: DropSens Co. i BVT Technologies. Walidacji poddano dwa parametry metrologiczne czujnika: granicę wykrywalności i...
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Chromogenic amides of pyridine-2,6-dicarboxylic acid as anion receptors
PublicationThe synthesis of simple, chromogenic pyridine-2,6-dicarboxylic acid amides, derivates of isomeric nitroanilines and aminonitrophenols, and their ion binding properties are described. The ligands' response to ionic species was examined by naked eye and was studied with the use of UV-Vis spectroscopy in DMSO and its mixture with water. The effect of the localisation and the type of the substituents in aromatic rings were discussed....
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Topochemical, Single‐Crystal‐to‐Single‐Crystal [2+2] Photocycloadditions Driven by Chalcogen‐Bonding Interactions
PublicationThe face-to-face association of (E)-1,2-di(4-pyridyl)ethylene (bpen) molecules into rectangular motifs stabilized for the first time by chalcogen bonding (ChB) interactions is shown to provide photoreactive systems leading to cyclobutane formation through single-crystal-to-single-crystal [2+2] photodimerizations. The chelating chalcogen bond donors are based on original aromatic, ortho-substituted bis(selenocyanato)benzene derivatives...
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Road and roof runoff waters as a source of pollution in a big urban agglomeration (Gdańsk, Poland) = Wody spływne z arterii komunikacyjnych i dachów budynków jako źródło zanieczyszczenia w dużych aglomeracjach miejskich (Gdańsk, Polska)
PublicationWody spływne są bardzo ważnym medium, transportującym zanieczyszczenia atmosferyczne z powietrza do gleby i wody powierzchniowej. Przedstawiono wyniki dotyczące analizy próbek opadów atmosferycznych oraz wód spływnych z arterii komunikacyjnych i dachów budynków. Wykonano oznaczenia na zawartość anionów, kationów, metali ciężkich i pestycydów. Próbki były pobierane podczas wystąpienia opadu w różnych miejscach na terenie Gdańska....
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Doktor Stanisław Ulaszek. Artysta – nauczyciel – tłumacz. Laudacja z okazji Jubileuszu 45-lecia pracy akademickiej akademickiej [Dr. Stanisław Ulaszek. Artist — teacher — translator. Eulogy for the forty-fifth anniversary of his work as a scholar]
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Preparation and photocatalytic activity of boron-modified TiO2 under UV and visible light
PublicationOtrzymano TiO2 domieszkowany borem i wyznaczono jego aktywność fotokatalityczną w zakresie światła UV i Vis. Katalizatory otrzymano metodą zol-żel lub poprzez ucieranie dwutlenku tytanu z prekursorami B. Jako źródło boru zastosowano kwas borowy lub ester trietylowy kwasu borowego. Fotoaktywność próbek badano w reakcji degradacji fenolu (Co = 0,21 mmol/dm3 ) w zakresie światła Vis lub UV. Obecność węgla i boru we wszystkich przygotowanych...
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Tomasz Zubowicz dr inż.
PeopleTomasz Zubowicz has received his M.Sc. Eng. degree in Control Engineering from the Faculty of Electrical and Control Engineering at the Gda{\'n}sk University of Technology (GUT) in $2008$. He received his Ph.D. Eng. (Hons.) in the field of Control Engineering from the same faculty in $2019$. In $2012$ he became a permanent staff member at the Department of Intelligent Control and Decision Support Systems at GUT and a member of...
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Piotr Rajchowski dr inż.
PeoplePiotr Rajchowski (Member, IEEE) was born in Poland, in 1989. He received the E.Eng., M.Sc., and Ph.D. degrees in radio communication from the Gdańsk University of Technology (Gdańsk Tech), Poland, in 2012, 2013, and 2017, respectively. Since 2013, he has been working at the Department of Radiocommunication Systems and Networks, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, as a IT...
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Research project: CAD. Integrated archictural design + Methodology of scientific work 2022/2023
e-Learning CoursesKurs e-learningowy stanowi uzupełnienie zajęć stacjonarnych Projekt Naukowy (Techniki Komputerowe i Metodyka Pracy Naukowej) dla studentów II stopnia (2 semestr) Zajęcia dotyczą zastosowania środowiska GIS i oprogramowania BIM oraz odpowiednich metod naukowych w procesie projektowania i przekształcania obszarów waterfrontów.
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Direct solid phase microextraction combined with gas chromatography – Mass spectrometry for the determination of biogenic amines in wine
PublicationA direct method based on immersion solid phase microextraction (DI-SPME) gas chromatography mass-spectrometry (GC-MS) was optimized and validated for the determination of 16 biogenic amines in Polish wines. In the analysis two internal standards were used: 1,7-diaminoheptane and bis-3-aminopropylamine. The method allows for simultaneous extraction and derivatization, providing a simple and fast mode of extraction and enrichment....
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Enhanced interfacial and mechanical performance of styrene-butadiene rubber/silica composites compatibilized by soybean oil derived silanized plasticization
PublicationSilanized plasticizer (SP) was chemically derived and synthesized from soybean oil (SBO) co-vulcanized with bis-(3-(triethoxysilyl)-propyl) tetrasulfide (TESPT) by using the sulfur-accelerated curing system. SP extended styrene-butadiene rubber (SBR)/silica composites have been studied for their improved filler dispersion through coupling interaction at the SBR/silica interface. The effect of SP on cross-link density, thermal,...
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Silica-Based Ionogels: Nanoconfined Ionic Liquid-Rich Fibers for Headspace Solid-Phase Microextraction Coupled with Gas Chromatography–Barrier Discharge Ionization Detection
PublicationIn this work, hybrid silica-based materials with immobilized ionic liquids (ILs) were prepared by sol–gel technology and evaluated as solid-phase microextraction (SPME) fiber coatings. High loadings of the IL 1-methyl-3-butylimidazolium bis(trifluoromethylsulfonyl)imide ([C4MIM][TFSI]) were confined within the hybrid network. Coatings composition and morphology were evaluated using scanning electron microscopy and energy dispersive...
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Modification of gradient HPLC method for determination of small molecules' affinity to human serum albumin under column safety conditions: Robustness and chemometrics study
PublicationIn the early stages of drug discovery, beyond the biological activity screening, determining the physicochemical properties that affect the distribution of molecules in the human body is an essential step. Plasma protein binding (PPB) is one of the most important investigated endpoints. Nevertheless, the methodology for measuring %PPB is significantly less popular and standardized than other physicochemical properties, like lipophilicity....
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Wojciech Kustra dr inż.
PeopleI am a Faculty member (Assistant Professor, Highway and Transportation Engineering Department) at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Poland). My main research interests include: road safety, accident analysis, traffic modeling, transportation planning, traffic engineering, transport management, gis analysis.
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Mater-Bi/Brewers’ Spent Grain Biocomposites—Novel Approach to Plant-Based Waste Filler Treatment by Highly Efficient Thermomechanical and Chemical Methods
PublicationThermoplastic starch (TPS) is a homogenous material prepared from native starch and water or other plasticizers subjected to mixing at a temperature exceeding starch gelatinization temperature. It shows major drawbacks like high moisture sensitivity, poor mechanical properties, and thermal stability. To overcome these drawbacks without significant cost increase, TPS could be blended with bio-based or biodegradable polymers and...
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International Conference on Internet of Things, Big Data and Security
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Web and Big Data (Asia Pacific Web Conference)
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Photophysics of a Ruthenium 4H-Imidazole Panchromatic Dye in Interaction with Titanium Dioxide
PublicationThe photophysics of bis(4,4′-di-tert-butyl-2,2′-bipyridine-κ2N,N′)[2-(4-carboxyphenyl)-4,5-bis(p-tolylimino-κN)imidazolato]ruthenium(II) hexafluorophosphate is investigated, both in solution and attached to a nanocrystalline TiO2 film. The studied substitution pattern of the 4H-imidazole ligand is observed to block a photoinduced structural reorganization pathway within the 4H-imidazole ligand that has been previously investigated....
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Neural network training with limited precision and asymmetric exponent
PublicationAlong with an extremely increasing number of mobile devices, sensors and other smart utilities, an unprecedented growth of data can be observed in today’s world. In order to address multiple challenges facing the big data domain, machine learning techniques are often leveraged for data analysis, filtering and classification. Wide usage of artificial intelligence with large amounts of data creates growing demand not only for storage...
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Krzysztof Wilde prof. dr hab. inż.
PeopleKrzysztof Wilde (born January 11th, 1966 in Gdańsk) – expert in bridge structures, structural mechanics and diagnostics of civil structures. He conducted research on vibration reduction systems for bridges exposed to dynamic loads from winds and earthquakes. At present he is interested in the field of nondestructive testing of materials and structural health monitoring systems. Hi is author or coauthor of over 200 publications...
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The Issues of Reactive Power Compensation in High-voltage Transmission Lines
PublicationThis paper discusses the selection of compensation shunt reactors for a double-circuit 400 kV transmission line using the example of the newly built Elk Bis – Alytus transmission line. The analysis takes into account various conditions of the power system. The published results relate to voltage levels in steady states and during switching processes and short circuits.
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Paweł Burdziakowski dr inż.
PeoplePaweł Burdziakowski, PhD, is a professional in low-altitude aerial photogrammetry and remote sensing, marine and aerial navigation. He is also a licensed flight instructor and software developer. His main areas of interest are digital photogrammetry, navigation of unmanned platforms and unmanned systems, including aerial, surface, underwater. He conducts research in algorithms and methods to improve the quality of spatial measurements...