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Wyniki wyszukiwania dla: CO–CITATION ANALYSIS
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Influence of the addition of citric acid on the physico-chemical properties of poly(sorbitol sebacate-co- butylene sebacate)
PublikacjaThe article presents the results of the physicochemical properties of poly(sorbitol sebacate- co-butylene sebacate) (PSBS) obtained with 0.25; 0.5; 0.75; 1 mol of citric acid (KC). It was shown that PSBS obtained with 0.25 and 0.5 mol KC is characterized by the most optimal mechanical and thermal properties. As a result of the study, it was found that the use of sorbitol and citric acid allows obtaining ester materials with...
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Co-occurrence probability of water balance elements in a mountain catchment on the example of the upper Nysa Kłodzka River
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The Co-Culture of Staphylococcal Biofilm and Fibroblast Cell Line: The Correlation of Biological Phenomena with Metabolic NMR1 Footprint
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Core-shell cobalt particles Co@CoO loaded on nitrogen-doped graphene for photocatalytic water-splitting
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Thermoluminescence Enhancement of LiMgPO4 Crystal Host by Tb3+ and Tm3+ Trivalent Rare-Earth Ions Co-doping
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Effect of hybrid TiO2 nanoparticles with controlled morphology on rheological properties of poly(styrene-co-acrylonitrile) nanocomposites
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Dmuchanie w kanał : Co robić aby przewody kanalizacyjne nie przekształcały się w osadniki.
PublikacjaBezpieczne projektowaniue kanalizacji. Hydraulika. Samooczyszczanie, eksploatacja
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Między prawdą, a mitem – o kontrowersjach co do istnienia prawa cywilnego w Chinach dynastycznych
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Chemical diffusion and surface exchange in selected Ln–Ba–Sr–Co–Fe perovskite-type oxides
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Influence of B/N co-doping on electrical and photoluminescence properties of CVD grown homoepitaxial diamond films
PublikacjaBoron doped diamond (BDD) has great potential in electrical, and electrochemical sensing applications. The growth parameters, substrates, and synthesis method play a vital role in the preparation of semiconducting BDD to metallic BDD. Doping of other elements along with boron (B) into diamond demonstrated improved efficacy of B doping and exceptional properties. In the present study, B and nitrogen (N) co-doped diamond has been...
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Verification of Satellite Railway Track Position Measurements Making Use of Standard Co-Ordinate Determination Techniques
PublikacjaThe article presents the results of satellite railway track position measurements performed by a multidisciplinary research team, the members of which represented Gdansk University of Technology and Gdynia Maritime University. Measuring methods are described which were used for reconstructing the railway track axis position and diagnosing railway track geometry deformations. As well as that, the description of the novel method...
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Czy wiemy, co łykamy? Zanieczyszczenia obecne w produktach farmaceutycznych i sposoby ich detekcji
PublikacjaWykrycie oraz identyfikacja i ilościowe oznaczanie zanieczyszczeń obecnych w produktach farmacetycznych jest bezwzglednie konieczne, aby uchronić pacjenta przed nieprawidlowym dzialaniem i skutkami ubocznymi, które mogą wystąpić po spozyciu zanieczyszczonego leku. Z tego względu monitoring skladu produktów farmaceutycznych jest niezbędny.
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Structure and evolution of the 4-helix bundle domain of Zuotin, a J-domain protein co-chaperone of Hsp70
PublikacjaThe J-domain protein Zuotin is a multi-domain eukaryotic Hsp70 co-chaperone. Though it is primarily ribosome-associated, positioned at the exit of the 60S subunit tunnel where it promotes folding of nascent polypeptide chains, Zuotin also has off-ribosome functions. Domains of Zuotin needed for 60S association and interaction with Hsp70 are conserved in eukaryotes. However, whether the 4-helix bundle (4HB) domain is conserved remains...
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The Influence of the Co-Dopant Dexamethasone Phosphate on the Electrodeposition Process and Drug-Release Properties of Polypyrrole-Salicylate on Iron
PublikacjaIn this work, the influence of incorporation of two anti-inflammatory drugs dexamethasone phosphate and sodium salicylate on the electrodeposition process of polypyrrole (PPy) film on iron has been studied. The incorporation of the agents into PPy has been carried out in a one-step electropolymerization process on oxidizable iron. The role of each drug agent during the deposition process has been discussed. The morphological and...
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The effect of agro-waste co-digestion and sludge disposal on carbon footprint in municipal wastewater treatment plants
PublikacjaThe study presents analysis of the carbon footprint (CF) in 6 wastewater treatment plants in northern Poland with a special focus on the effect of co digestion of sewage sludge and food waste. Although co-digestion increases the on-site energy production, but it has a negative effect on the total CF. To overcome the negative effect, several sludge disposal scenarios were analysed and their effect on the CF reduction was determined....
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Co w architekturze piszczy? Dźwiękowy wymiar przestrzeni / What’s the buzz in architecture? – The sonic aspect of space
PublikacjaThe article presents a debate on the dividing line between architecture and the sound sciences. It sketches out the theoretical and practical aspects of space development in the context of its sonic reception. The analysis is based on examples of projects combining architecture and art in public space and their consequences for the reception of this space. The projects relate to the use of art in urban space with special emphasis...
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A Comparative Numerical Simulation Study of Turbulent Non-premixed CO/H2/N2 Syngas Jet Flames
PublikacjaIn the present work, numerical simulations of turbulent non-premixed syngas flame have been performed in Reynolds-Averaged Naver-Stokes turbulence approach using four turbulence-chemistry interaction models. To this aim, we used assumed beta PDF approach, Steady Laminar Flamelet model, Eddy Dissipation Concept and Partially Stirred Reactor model. Numerical results are compared and analysed with respect to two experiments from the...
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Styrene-Butadiene Rubber/Modified Ground Tire Rubber Blends Co-Vulcanization: Effect of Accelerator Type
PublikacjaGround tire rubber was thermo-mechanically modified with using a co-rotating twin screw extruder. Modification of GTR was conducted in autothermal conditions. Styrene-butadiene rubber and modified ground tire rubber blends were prepared via two-roll milling. Obtained compounds were cured with conventional system (sulfur/vulcanization accelerator ratio was 2:1). During this research three commonly vulcanization accelerators (MBT,...
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Ochrona i zagrożenie wartości zabytków - czyli o skutkach braku wartościowania i co dalej...
PublikacjaPrzedmiotem artykułu są problemy wynikające z braku oficjalnego systemu wartościowania zabytków architektury w polskim systemie ich ochrony oraz przedstawia możliwości i propozycje jego wprowadzenia.
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Fungal co-culture improves the biodegradation of hydrophobic VOCs gas mixtures in conventional biofilters and biotrickling filters
PublikacjaThe present study systematically evaluated the potential of Candida subhashii, Fusarium solani and their consortium for the abatement of n-hexane, trichloroethylene (TCE), toluene and α-pinene in biofilters (BFs) and biotrickling filters (BTFs). Three 3.2 L BFs packed with polyurethane foam and operated at a gas residence time of 77 s with an air mixture of hydrophobic volatile organic compounds (VOCs) were inoculated with C. subhashii,...
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Synthesis of Trehalose by the Erythritol-Producing Yeast Yarrowia lipolytica Co-Displaying Maltooligosyltrehalose Synthase and Maltooligosyltrehalose Trehalohydrolase
PublikacjaIndustrial trehalose production faces economic challenges with costly enzyme preparations, prompting the exploration of eco-friendly alternatives. Here, we established a coupled functional sugar production line leveraging erythritolproducing cells as an innovative enzyme preparation for trehalose synthesis. The erythritol-producing Yarrowia lipolytica was modified to express a fusion protein consisting of maltooligosyltrehalose synthase...
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APPLICABLE ANALYSIS
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MUTATION RESEARCH-FUNDAMENTAL AND MOLECULAR MECHANISMS OF MUTAGENESIS
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Mutation Research - Genetic Toxicology and Environmental Mutagenesis
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FINANCIAL ANALYSTS JOURNAL
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Methods Data Analyses
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Investment Analysts Journal
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Current epidemiological situation in the context of inclusion body hepatitis in poultry flocks in Poland
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Vortex cavitation as a source of high level acoustic pressure generated by ship propellers
PublikacjaPraca przedstawia wyniki badań teoretycznych i eksperymentalnych nad mechanizmami fizycznymi generowania wysokiego ciśnienia akustycznego przez kawitujące wiry wierzchołkowe powstające na śrubach okrętowych
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Project and Prototype of Mobile Application for Monitoring the Global COVID-19 Epidemiological Situation
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Elastic and inelastic multi-storey buildings under earthquake excitation with the effect of pounding
PublikacjaW artykule przeprowadzono analizę różnic w liniowym i nieliniowym zachowaniu się budynków wielokondygnacyjnych podczas trzęsień ziemi z uwzględnieniem efektu zderzeń pomiędzy nimi. Analizę numeryczną przeprowadzono dla różnych wartości ekstremalnych przyspieszeń gruntu. Wyniki pokazują, iż zaimplementowanie nieliniowego modelu zachowania się budowli jest bardzo istotne w celu uzyskania dokładnej odpowiedzi konstrukcji.
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The impact of emigration of Polish employees to other countries of the EU on the situation of employers in Poland
PublikacjaW opracowaniu próbowano przedstawić skutki migracji młodych ludzi po wejściu Polski do UE na polski rynek pracy. Wskazywano też jakie kroki należałoby podejmować, aby pomniejszyć te negatywne skutki.
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Impedance monitoring of carbon steel cavitation erosion under the influence of corrosive factors
PublikacjaW pracy przedstawiono wyniki badań degradacji stali węglowych na skutek oddziaływania erozji-korozji kawitacyjnej. Do analizy wykorzystano technikę Dynamicznej Elektrochemicznej Spektroskopii Impedancyjnej oraz funkcję ubytku masy powszechnie stosowaną do oceny odporności kawitacyjnej materiałów. Oszacowanie stopnia degradacji powierzchni, a także wpływu erozji na odporność korozyjną jest możliwe po zastosowaniu odpowiedniego elektrycznego...
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Self-testing of fully differential multistage circuits using common-mode excitation
PublikacjaPrzedmiotem artykułu jest, zorientowane na uszkodzenia, testowanie wielostopniowych układów w pełni różnicowych. Zaproponowano metodę testowania z zastosowaniem pobudzenia układu testowanego sygnałem wspólnym. Rozważane są dwa warianty metody. Pierwszy wariant wykorzystuje do pobudzenia wejście każdego różnicowego stopnia. Drugi wariant wykorzystuje dodatkowe wejście wzmacniacza operacyjnego i testuje wielostopniowy układ bez jego...
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Effect of structure modification with potassium on grains layer creation process and phase transitions
PublikacjaZbadano szkła germanianowo-ołowiowe i krzemianowo bizutowe. Wartwy metalicznych granul wytwarzano w nich poprzez redukcję powierzchni w atmosferze wodoru. Praca dotyczy wpływu potasu na tworzenie się warstwy granul oraz na procesy topnienia i krzepnięcia granul w trakcie obróbki termicznej.
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Estimation of the excitation variances of speech and noise AR-models for enhanced speech coding
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Method using square-pulse excitation for high-impedance spectroscopy of anticorrosion coatings
PublikacjaArtykuł prezentuje metodę spektroskopii impedancyjnej przeznaczonej do diagnostyki powłok antykorozyjnych na obiektach bezpośrednio w terenie. Aby skrócić czas uzyskania widma impedancji (w zakresie od 1 mHz do 1 MHz) do kilku minut, wykorzystano sygnały harmoniczne do pomiaru widma powyżej 10 Hz a impuls prostokątny w dolnym zakresie częstotliwości. Do wyznaczania widma użyto algorytmów DSP odpowiednich do sygnału pobudzenia....
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Pounding-involved response of isolated and non-isolated buildings under earthquake excitation
PublikacjaCelem artykułu jest dokładna analiza zachowania się kolidujących ze sobą dwóch budynków z wibroizolacją i bez wibroizolacji poddanych obciążeniom dynamicznym podczas trzęsień ziemi. W analizie rozważno przypadki kiedy oba budynki mają wibroizolację, kiedy tylko jeden budynek ma wibroizolację oraz kiedy żaden z budynków nie ma wibroizolacji. Wyniki badań pokazują, iż budynki z wibroizolacją są bardziej podatne na zderzenia podczas...
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ANALYZING TITLES OF ECONOMY NEWS TO UNDERSTAND IMPACT OF COVID-19 ON ECONOMICAL SITUATION
PublikacjaCovid-19 affected the whole world in a short time, causing serious panic and uncertainty in society. Because it was an unprecedented disease, the medical community has worked hard to find out how to deal with it, and it continues to do so. The rapid spread of the disease, the shortage of hospital capacity and the increase in deaths drove the whole world to a closure, so to speak. In this time period, life in the world came to a...
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Effect of Thermal Treatment and Erosion Aggressiveness on Resistance of S235JR Steel to Cavitation and Slurry
PublikacjaS235JR steel is used in many applications, but its resistance to the erosion processes has been poorly studied. To investigate this resistance, cavitation, and slurry erosion tests were conducted. These tests were carried out at different erosion intensities, i.e., different flow rates in the cavitation tunnel with a system of barricades and different rotational speeds in the slurry pot. The steel was tested as-received and after...
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Experimental Research of an Axial Piston Pump with Displaced Swash Plate Axis of Rotation
PublikacjaThe article describes the influence of displacement of the swash plate rotation axis on the efficiency of axial piston pumps. The dead space volume was defined as the volume of the working chamber in the extreme position of the piston at the end of the pumping phase and its variability was determined as a function of the position of the axis of rotation of the swash plate and the swing angle of swash plate. The influence of swash...
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Nonlinear Excitation of the Non-Wave Perturbations by the Magnetoacoustic Waves in the Non-Isentropic Plasma
PublikacjaNonlinear excitation of slow modes by the planar magnetosonic perturbations in a plasma is discussed. Plasma is an open system due to radiation and external heating. This may stipulate enhancement of wave perturbations and hence the acoustical activity of plasma. Plasma is assumed to be a homogeneous ideal gas with infinite electrical conductivity. The straight magnetic field is orthogonal to the velocity of fluid’s...
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THE SITUATION OF WOMEN IN THE POLISH LABOUR MARKET IN THE LIGHT OF CHANGES IN THE PENSION SECURITY SYSTEM
PublikacjaThe aim of the study is to examine the opinion of a group of women on their economic activity and decisions related to retirement. The first part of the article reviews previous research related to the economic activity of older people with a special focus on women. In the empirical part of the article, women’s opinions on issues related to retirement were analyzed. The research was carried out in 2016 on a sample of 45 women,...
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Excitation of Non-Wave Modes by Sound of Arbitrary Frequency in a Chemically Reacting Gas
PublikacjaThe nonlinear phenomena in the field of high intensity sound propagating in a gas with a chemical reaction, are considered. A chemical reaction of A → B type is followed by dispersion and attenuation of sound which may be atypical during irreversible thermodynamic processes under some conditions. The first and second order derivatives of heat produced in the chemical reaction evaluated at the equilibrium temperature, density and...
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Income situation of rural households in Poland between 2007 and 2014 and its effects
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EXPERIMENTAL AND NUMERICAL STUDY ON COLLISIONS BETWEEN STEEL STRUCTURES UNDER EARTHQUAKE EXCITATION
PublikacjaIn the time of high urbanization, the need to build closely-spaced structures forces the designers to take into account earthquake-induced collisions between adjacent buildings and their effects on the response of structures. Past and recent investigations confirmed that interactions between adjacent buildings during earthquakes may cause serious damages to the structural elements and may even lead to total collapse of the structure....
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Impact of Boundary Conditions on Acoustic Excitation of EntropyPerturbations in a Bounded Volume of Newtonian Gas
PublikacjaExcitation of the entropy mode in the field of intense sound, that is, acoustic heating, is theoreticallyconsidered in this work. The dynamic equation for an excess density which specifies the entropy mode,has been obtained by means of the method of projections. It takes the form of the diffusion equation withan acoustic driving force which is quadratically nonlinear in the leading order. The diffusion coefficient isproportional...
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Influence of separation gap on the structural response of colliding structures under earthquake excitation
PublikacjaThe high level of urbanization in the XXIst century forces the designers to design closely-separated structures and to take into account many factors influencing their response during seismic excitation, which are the most unpredictable loads which can affect civil engineering structures. Interactions between insufficiently adjacent buildings, known as the earthquake-induced structural pounding, may cause serious damage to the structures,...
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Comparison of Single and Multi-Population Evolutionary Algorithm for Path Planning in Navigation Situation
PublikacjaIn this paper a comparison of single and multi-population evolutionary algorithm is presented. Tested algorithms are used to determine close to optimal ship paths in collision avoidance situation. For this purpose a path planning problem is defined. A specific structure of the individual path and fitness function is presented. Principle of operation of single-population and multi-population evolutionary algorithm is described....
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Evaluation of Open Source SIEM for Situation Awareness Platform in the Smart Grid Environment
PublikacjaThe smart grid as a large-scale system of systems has an exceptionally large surface exposed to cyber-attacks, including highly evolved and sophisticated threats such as Advanced Persistent Threats (APT) or Botnets. When addressing this situation the usual cyber security technologies are prerequisite, but not sufficient. The smart grid requires developing and deploying an extensive ICT infrastructure that supports significantly...